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Mondal I, Groves M, Driver EM, Vittori W, Halden RU. Carcinogenic formaldehyde in U.S. residential buildings: Mass inventories, human health impacts, and associated healthcare costs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 944:173640. [PMID: 38825200 DOI: 10.1016/j.scitotenv.2024.173640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/04/2024]
Abstract
Formaldehyde, a human carcinogen, is formulated into building materials in the U.S. and worldwide. We used literature information and mass balances to obtain order-of-magnitude estimates of formaldehyde inventories in U.S. residential buildings as well as associated exposures, excess morbidity, and healthcare costs along with other economic ramifications. Use of formaldehyde in building materials dates to the 1940s and continues today unabated, despite its international classification in 2004 as a human carcinogen. Global production of formaldehyde was about 32 million metric tons (MMT) in 2006. In the U.S., 5.7 ± 0.05 to 7.4 ± 0.125 MMT of formaldehyde were produced annually from 2006 to 2022, with 65 ± 5 % of this mass (3.7 ± 0.03 to 4.8 ± 0.08 MMT) entering building materials. For a typical U.S. residential building constructed in 2022, we determined an average total mass of formaldehyde containing chemicals of 48.2 ± 10.1 kg, equivalent to 207 ± 40 g of neat formaldehyde per housing unit. When extrapolated to the entire U.S. housing stock, this equates to 29,800 ± 5760 metric tons of neat formaldehyde. If the health threshold in indoor air of 0.1 mg/m3 is never surpassed in a residential building, safe venting of embedded formaldehyde would take years. Using reported indoor air exceedances, up to 645 ± 33 excess cancer cases may occur U.S. nationwide annually generating up to US$65 M in cancer treatment costs alone, not counting ~16,000 ± 1000 disability adjusted life-years. Other documents showed health effects of formaldehyde exist, but could not be quantified reliably, including sick building syndrome outcomes such as headache, asthma, and various respiratory illnesses. Opportunities to improve indoor air exposure assessments are discussed with special emphasis on monitoring of building wastewater. Safer alternatives to formaldehyde in building products exist and are recommended for future use.
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Affiliation(s)
- Indrayudh Mondal
- Biodesign Center for Environmental Health Engineering, Biodesign Institute, Building B, Arizona State University, 1001 S McAllister Ave, Tempe, AZ 85281-8101, United States of America; School of Sustainable Engineering and the Built Environment, 660 S College Ave, Tempe, AZ 85281, United States of America
| | - Megan Groves
- Biodesign Center for Environmental Health Engineering, Biodesign Institute, Building B, Arizona State University, 1001 S McAllister Ave, Tempe, AZ 85281-8101, United States of America
| | - Erin M Driver
- Biodesign Center for Environmental Health Engineering, Biodesign Institute, Building B, Arizona State University, 1001 S McAllister Ave, Tempe, AZ 85281-8101, United States of America
| | - Wendy Vittori
- Health Product Declaration Collaborative, 401 Edgewater Place, Suite 600, Wakefield, MA 01880, United States of America
| | - Rolf U Halden
- Biodesign Center for Environmental Health Engineering, Biodesign Institute, Building B, Arizona State University, 1001 S McAllister Ave, Tempe, AZ 85281-8101, United States of America.
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2
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Andrzejewski J, Das S, Lipik V, Mohanty AK, Misra M, You X, Tan LP, Chang BP. The Development of Poly(lactic acid) (PLA)-Based Blends and Modification Strategies: Methods of Improving Key Properties towards Technical Applications-Review. MATERIALS (BASEL, SWITZERLAND) 2024; 17:4556. [PMID: 39336298 PMCID: PMC11433319 DOI: 10.3390/ma17184556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2024] [Revised: 09/02/2024] [Accepted: 09/10/2024] [Indexed: 09/30/2024]
Abstract
The widespread use of poly(lactic acid) (PLA) from packaging to engineering applications seems to follow the current global trend. The development of high-performance PLA-based blends has led to the commercial introduction of various PLA-based resins with excellent thermomechanical properties. The reason for this is the progress in the field of major PLA limitations such as low thermal resistance and poor impact strength. The main purpose of using biobased polymers in polymer blends is to increase the share of renewable raw materials in the final product rather than its possible biodegradation. However, in the case of engineering applications, the focus is on achieving the required properties rather than maximizing the percentage of biopolymer. The presented review article discusses the current strategies to optimize the balance of the key features such as stiffness, toughness, and heat resistance of PLA-based blends. Improving of these properties requires molecular structural changes, which together with morphology, crystallinity, and the influence of the processing conditions are the main subjects of this article. The latest research in this field clearly indicates the high potential of using PLA-based materials in highly demanding applications. In the case of impact strength modification, it is possible to obtain values close to 800 J/m, which is a value comparable to polycarbonate. Significant improvement can also be confirmed for thermal resistance results, where heat deflection temperatures for selected types of PLA blends can reach even 130 °C after modification. The modification strategies discussed in this article confirm that a properly conducted process of selecting the blend components and the conditions of the processing technique allows for revealing the potential of PLA as an engineering plastic.
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Affiliation(s)
- Jacek Andrzejewski
- Institute of Materials Technology, Poznan University of Technology, Piotrowo 3 Str., 61-138 Poznan, Poland;
| | - Subhasis Das
- School of Materials Science & Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (S.D.); (V.L.)
| | - Vitali Lipik
- School of Materials Science & Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (S.D.); (V.L.)
| | - Amar K. Mohanty
- School of Engineering, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada; (A.K.M.); (M.M.)
- Bioproducts Discovery and Development Centre, Department of Plant Agriculture, Crop Science Building, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada
| | - Manjusri Misra
- School of Engineering, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada; (A.K.M.); (M.M.)
- Bioproducts Discovery and Development Centre, Department of Plant Agriculture, Crop Science Building, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada
| | - Xiangyu You
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China;
| | - Lay Poh Tan
- School of Materials Science & Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (S.D.); (V.L.)
| | - Boon Peng Chang
- School of Materials Science & Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (S.D.); (V.L.)
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3
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Jha S, Akula B, Enyioma H, Novak M, Amin V, Liang H. Biodegradable Biobased Polymers: A Review of the State of the Art, Challenges, and Future Directions. Polymers (Basel) 2024; 16:2262. [PMID: 39204482 PMCID: PMC11359911 DOI: 10.3390/polym16162262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 07/24/2024] [Accepted: 08/06/2024] [Indexed: 09/04/2024] Open
Abstract
Biodegradable biobased polymers derived from biomass (such as plant, animal, marine, or forestry material) show promise in replacing conventional petrochemical polymers. Research and development have been conducted for decades on potential biodegradable biobased polymers such as polylactic acid (PLA), polyhydroxyalkanoates (PHAs), and succinate polymers. These materials have been evaluated for practicality, cost, and production capabilities as limiting factors in commercialization; however, challenges, such as the environmental limitations on the biodegradation rates for biodegradable biobased polymer, need to be addressed. This review provides a history and overview of the current development in the synthesis process and properties of biodegradable biobased polymers, along with a techno-commercial analysis and discussion on the environmental impacts of biodegradable biobased polymers. Specifically, the techno-commercial analysis focuses on the commercial potential, financial assessment, and life-cycle assessment of these materials, as well as government initiatives to facilitate the transition towards biodegradable biobased polymers. Lastly, the environmental assessment focuses on the current challenges with biodegradation and methods of improving the recycling process and reusability of biodegradable biobased polymers.
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Affiliation(s)
- Swarn Jha
- J. Mike Walker ‘66 Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123, USA
| | - Bhargav Akula
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843-3123, USA
| | - Hannah Enyioma
- Department of Electrical Engineering, Texas A&M University, College Station, TX 77843-3123, USA
| | - Megan Novak
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843-3123, USA
| | - Vansh Amin
- Department of Electrical Engineering, Texas A&M University, College Station, TX 77843-3123, USA
| | - Hong Liang
- J. Mike Walker ‘66 Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123, USA
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Islam F, Zeng Q. Advances in Organosulfur-Based Polymers for Drug Delivery Systems. Polymers (Basel) 2024; 16:1207. [PMID: 38732676 PMCID: PMC11085353 DOI: 10.3390/polym16091207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 02/07/2024] [Accepted: 04/10/2024] [Indexed: 05/13/2024] Open
Abstract
Organosulfur-based polymers have unique properties that make them useful for targeted and managed drug delivery, which can improve therapy while reducing side effects. This work aims to provide a brief review of the synthesis strategies, characterization techniques, and packages of organosulfur-based polymers in drug delivery. More importantly, this work discusses the characterization, biocompatibility, controlled release, nanotechnology, and targeted therapeutic aspects of these important structural units. This review provides not only a good comprehension of organosulfur-based polymers but also an insightful discussion of potential future prospectives in research. The discovery of novel organosulfur polymers and innovations is highly expected to be stimulated in order to synthesize polymer prototypes with increased functional accuracy, efficiency, and low cost for many industrial applications.
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Affiliation(s)
| | - Qingle Zeng
- College of Materials, Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
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5
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Yang Y, Cho Y, Choi TL. Designing Degradable Polymers from Tricycloalkenes via Complete Cascade Metathesis Polymerization. Angew Chem Int Ed Engl 2024; 63:e202400235. [PMID: 38456570 DOI: 10.1002/anie.202400235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/18/2024] [Accepted: 03/06/2024] [Indexed: 03/09/2024]
Abstract
Cascade metathesis polymerization has been developed as a promising method to synthesize complex but well-defined polymers from monomers containing multiple reactive functional groups. However, this approach has been limited to the monomers involving simple alkene/alkyne moieties or produced mainly non-degradable polymers. In this study, we demonstrate a complete cascade ring-opening/ring-closing metathesis polymerization (RORCMP) using various tricycloalkenes and two strategies for the efficient degradation. Through rational design of tricycloalkene monomers, the structure and reactivity relationship was explored. For example, tricycloalkenes with trans configuration in the central ring enabled faster and better selective cascade RORCMP than the corresponding cis isomers. Also, a 4-substituted cyclopentene moiety in the monomers significantly enhanced the overall cascade RORCMP performance, with the maximum turnover number (TON) reaching almost 10,000 and molecular weight up to 170 kg/mol using an amide-containing monomer. Furthermore, we achieved one-shot cascade multiple olefin metathesis polymerization using tricycloalkenes and a diacrylate, to produce new highly A,B-alternating copolymers with full degradability. Lastly, we successfully designed xylose-based tricycloalkenes to give well-defined polymers that underwent ultra-fast and complete degradation under mild conditions.
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Affiliation(s)
- Yongkang Yang
- Department of Chemistry, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yunhyeong Cho
- Department of Chemistry, Seoul National University, Seoul, 08826, Republic of Korea
| | - Tae-Lim Choi
- Department of Materials, ETH Zürich, Zürich, 8093, Switzerland
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6
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Righetti GIC, Faedi F, Famulari A. Embracing Sustainability: The World of Bio-Based Polymers in a Mini Review. Polymers (Basel) 2024; 16:950. [PMID: 38611207 PMCID: PMC11013738 DOI: 10.3390/polym16070950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/14/2024] Open
Abstract
The proliferation of polymer science and technology in recent decades has been remarkable, with synthetic polymers derived predominantly from petroleum-based sources dominating the market. However, concerns about their environmental impacts and the finite nature of fossil resources have sparked interest in sustainable alternatives. Bio-based polymers, derived from renewable sources such as plants and microbes, offer promise in addressing these challenges. This review provides an overview of bio-based polymers, discussing their production methods, properties, and potential applications. Specifically, it explores prominent examples including polylactic acid (PLA), polyhydroxyalkanoates (PHAs), and polyhydroxy polyamides (PHPAs). Despite their current limited market share, the growing awareness of environmental issues and advancements in technology are driving increased demand for bio-based polymers, positioning them as essential components in the transition towards a more sustainable future.
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Affiliation(s)
- Grazia Isa C. Righetti
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
| | | | - Antonino Famulari
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
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7
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Garcia A, Astete CE, Cueto R, Sabliov CM. Modulation of Methoxyfenozide Release from Lignin Nanoparticles Made of Lignin Grafted with PCL by ROP and Acylation Grafting Methods. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:5433-5443. [PMID: 38427972 PMCID: PMC10938892 DOI: 10.1021/acs.langmuir.3c03965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/20/2024] [Accepted: 02/20/2024] [Indexed: 03/03/2024]
Abstract
An efficient and sustainable agriculture calls for the development of novel agrochemical delivery systems able to release agrochemicals in a controlled manner. This study investigated the controlled release of the insecticide methoxyfenozide (MFZ) from lignin (LN) nanoparticles (LNPs). LN-grafted poly(ε-caprolactone) (LN-g-PCL) polymers were synthesized using two grafting methods, ring-opening polymerization (ROP)(LN-g-PCLp) and acylation reaction (LN-g-PCLa), creating polymers capable of self-assembling into nanoparticles of different properties, without surfactants. The LN-g-PCLp polymers exhibited a degree of polymerization (DP) from 22 to 101, demonstrating enhanced thermal stability after LN incorporation. LNPs loaded with MFZ exhibited a spherical core-shell structure with a hydrophilic LN outer layer and hydrophobic PCL core, with sizes affected by grafting methods and DP. LNPs controlled MFZ release, displaying variation in release profiles depending on the grafting methodology used, LN-g-PCLp DP, and temperature variations (23 to 30 °C). LNPs formulated with LN-g-PCLa showed a cumulative release of MFZ of 36.78 ± 1.23% over 196 h. Comparatively, increasing the DP of the LN-g-PCLp polymers, a reduction of the LNPs release rate from 92.39 ± 1.46% to 70.59 ± 2.40% was achieved within the same time frame. These findings contribute to identifying ways to modulate the controlled release of agrochemicals by incorporating them in renewable-based LNPs.
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Affiliation(s)
- Alvaro Garcia
- Biological
& Agricultural Engineering, Louisiana
State University and LSU AgCenter, Baton Rouge, Louisiana 70803, United States
| | - Carlos E. Astete
- Biological
& Agricultural Engineering, Louisiana
State University and LSU AgCenter, Baton Rouge, Louisiana 70803, United States
| | - Rafael Cueto
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United
States
| | - Cristina M. Sabliov
- Biological
& Agricultural Engineering, Louisiana
State University and LSU AgCenter, Baton Rouge, Louisiana 70803, United States
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8
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Beniwal P, Toor AP. Functionalisation of lignin with urethane linkages and their strengthening effect on PLA composites. Int J Biol Macromol 2024; 258:129005. [PMID: 38159697 DOI: 10.1016/j.ijbiomac.2023.129005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024]
Abstract
Lignin was functionalised by crosslinking with hexamethylene diisocyanate (HDI) through the heterogenous reaction in the solvent dimethyl sulfoxide for preferential improvement in the mechanical properties of composites. The successful synthesis of lignin modified with HDI was confirmed by the instrumental analyses, e.g., FTIR, XPS, and FESEM. The incorporation of optimum crosslinked lignin in polylactic acid (PLA) matrix was systematically evaluated on the basis of their thermal stability, mechanical property, glass transition temperature (Tg), water contact angle, water absorption, and water permeability. The results displayed that incorporation of fillers had prominent effects on tensile tear strength, which could improve tensile strength up to 231 % and elongation at break up to 53 % due to the good interface compatibility between PLA and modified lignin. Further, with the inclusion of fillers, PLA composites exhibited higher crystallinity in comparison to neat PLA.
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Affiliation(s)
- Preeti Beniwal
- Dr SSB University Institute of Chemical Engineering and Technology, Panjab University, India
| | - Amrit Pal Toor
- Dr SSB University Institute of Chemical Engineering and Technology, Panjab University, India; Energy Research Centre, India.
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9
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de Souza RC, da Silva LM, Buratti BA, Carra S, Flores M, Puton BM, Rigotti M, Salvador M, Malvessi E, Moreira FKV, Steffens C, Valduga E, Zeni J. Purification, bioactivity and application of maltobionic acid in active films. 3 Biotech 2024; 14:32. [PMID: 38188310 PMCID: PMC10764696 DOI: 10.1007/s13205-023-03879-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 12/05/2023] [Indexed: 01/09/2024] Open
Abstract
The objective of this study was to purify sodium maltobionate using Zymomonas mobilis cells immobilized in situ on flexible polyurethane (PU) and convert it into maltobionic acid for further evaluation of bioactivity (iron chelating ability, antibacterial potential and cytoprotection) and incorporation into films based on cassava starch, chitosan, and cellulose acetate. Sodium maltobionate exhibited a purity of 98.1% and demonstrated an iron chelating ability of approximately 50% at concentrations ranging from 15 to 20 mg mL-1. Maltobionic acid displayed minimal inhibitory concentrations (MIC) of 8.5, 10.5, 8.0, and 8.0 mg mL-1 for Salmonella enterica serovar Choleraesuis, Escherichia coli, Staphylococcus aureus, and Listeria monocytogenes, respectively. Maltobionic acid did not exhibit cytotoxicity in HEK-293 cells at concentrations up to 500 µg mL-1. Films incorporating 7.5% maltobionic acid into cassava starch and chitosan demonstrated inhibition of microbial growth, with halo sizes ranging from 15.67 to 22.33 mm. These films had a thickness of 0.17 and 0.13 mm, water solubility of 62.68% and 78.85%, and oil solubility of 6.23% and 11.91%, respectively. The cellulose acetate film exhibited a non-uniform visual appearance due to the low solubility of maltobionic acid in acetone. Mechanical and optical properties were enhanced with the addition of maltobionic acid to chitosan and cassava films. The chitosan film with 7.5% maltobionic acid demonstrated higher tensile strength (30.3 MPa) and elongation at break (9.0%). In contrast, the cassava starch film exhibited a high elastic modulus (1.7). Overall, maltobionic acid, with its antibacterial activity, holds promise for applications in active films suitable for food packaging. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03879-3.
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Affiliation(s)
- Roberta Cristina de Souza
- Department of Food Engineering, Universidade Regional Integrada Do Alto Uruguai E das Missões, CEP: 99709-910 Erechim, RS Brasil
| | - Leonardo Meirelles da Silva
- Department of Food Engineering, Universidade Regional Integrada Do Alto Uruguai E das Missões, CEP: 99709-910 Erechim, RS Brasil
| | - Bruna Angela Buratti
- Department of Food Engineering, Universidade Regional Integrada Do Alto Uruguai E das Missões, CEP: 99709-910 Erechim, RS Brasil
| | - Sabrina Carra
- Biotechnology Institute, Universidade de Caxias Do Sul, CEP: 95070-560 Caxias Do Sul, RS Brasil
| | - Maicon Flores
- Biotechnology Institute, Universidade de Caxias Do Sul, CEP: 95070-560 Caxias Do Sul, RS Brasil
| | - Bruna Maria Puton
- Department of Food Engineering, Universidade Regional Integrada Do Alto Uruguai E das Missões, CEP: 99709-910 Erechim, RS Brasil
| | - Marina Rigotti
- Biotechnology Institute, Universidade de Caxias Do Sul, CEP: 95070-560 Caxias Do Sul, RS Brasil
| | - Mirian Salvador
- Biotechnology Institute, Universidade de Caxias Do Sul, CEP: 95070-560 Caxias Do Sul, RS Brasil
| | - Eloane Malvessi
- Biotechnology Institute, Universidade de Caxias Do Sul, CEP: 95070-560 Caxias Do Sul, RS Brasil
| | | | - Clarice Steffens
- Department of Food Engineering, Universidade Regional Integrada Do Alto Uruguai E das Missões, CEP: 99709-910 Erechim, RS Brasil
| | - Eunice Valduga
- Department of Food Engineering, Universidade Regional Integrada Do Alto Uruguai E das Missões, CEP: 99709-910 Erechim, RS Brasil
| | - Jamile Zeni
- Department of Food Engineering, Universidade Regional Integrada Do Alto Uruguai E das Missões, CEP: 99709-910 Erechim, RS Brasil
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10
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Rajeshkumar L, Kumar PS, Ramesh M, Sanjay MR, Siengchin S. Assessment of biodegradation of lignocellulosic fiber-based composites - A systematic review. Int J Biol Macromol 2023; 253:127237. [PMID: 37804890 DOI: 10.1016/j.ijbiomac.2023.127237] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/29/2023] [Accepted: 10/01/2023] [Indexed: 10/09/2023]
Abstract
Lignocellulosic fiber-reinforced polymer composites are the most extensively used modern-day materials with low density and better specific strength specifically developed to render better physical, mechanical, and thermal properties. Synthetic fiber-reinforced composites face some serious issues like low biodegradability, non-environmentally friendly, and low disposability. Lignocellulosic or natural fiber-reinforced composites, which are developed from various plant-based fibers and animal-based fibers are considered potential substitutes for synthetic fiber composites because they are characterized by lightweight, better biodegradability, and are available at low cost. It is very much essential to study end-of-life (EoL) conditions like biodegradability for the biocomposites which occur commonly after their service life. During biodegradation, the physicochemical arrangement of the natural fibers, the environmental conditions, and the microbial populations, to which the natural fiber composites are exposed, play the most influential factors. The current review focuses on a comprehensive discussion of the standards and assessment methods of biodegradation in aerobic and anaerobic conditions on a laboratory scale. This review is expected to serve the materialists and technologists who work on the EoL behaviour of various materials, particularly in natural fiber-reinforced polymer composites to apply these standards and test methods to various classes of biocomposites for developing sustainable materials.
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Affiliation(s)
- L Rajeshkumar
- Centre for Machining and Materials Testing, KPR Institute of Engineering and Technology, Coimbatore, Tamil Nadu, India
| | - P Sathish Kumar
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, Thailand
| | - M Ramesh
- Department of Mechanical Engineering, KIT-Kalaignarkarunanidhi Institute of Technology, Coimbatore, Tamil Nadu, India
| | - M R Sanjay
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, Thailand.
| | - Suchart Siengchin
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, Thailand
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11
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Yavuzturk Gul B, Pekgenc E, Vatanpour V, Koyuncu I. A review of cellulose-based derivatives polymers in fabrication of gas separation membranes: Recent developments and challenges. Carbohydr Polym 2023; 321:121296. [PMID: 37739529 DOI: 10.1016/j.carbpol.2023.121296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 08/10/2023] [Accepted: 08/11/2023] [Indexed: 09/24/2023]
Abstract
Due to low-cost, sustainability and good mechanical stability, cellulose-based materials are frequently used in fabrication of polymeric gas separation membrane as potential carbohydrate polymers to substitute traditional petrochemical-based materials. In this review, the performance of cellulose-based polymeric membranes i.e. cellulose acetate, cellulose diacetate, cellulose triacetate, ethyl cellulose and carboxymethyl cellulose in the separation of different gases were investigated. This review paper provides the main features and advantages in the fabrication of cellulose-based gas separation membranes. The influence of the functionalization of cellulose on gas separation and permeability performance of related membranes is considered. Influence of different modification procedures such as blending with polymers, nanomaterials and ionic liquids on the gas separation ability of cellulose-based membranes were reviewed. Moreover, a brief inquiry of the potential of cellulose-based gas separation membranes for industrial applications, by examining the performance of different cellulose derivatives and identifying potential strategies for membrane modification and optimization are given, along with the current restrictions and the future perspectives are discussed.
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Affiliation(s)
- Bahar Yavuzturk Gul
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey; Department of Environmental Engineering, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey
| | - Enise Pekgenc
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey; Department of Environmental Engineering, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey
| | - Vahid Vatanpour
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey; Department of Environmental Engineering, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey; Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, 15719-14911 Tehran, Iran.
| | - Ismail Koyuncu
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey; Department of Environmental Engineering, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey.
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12
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Doan L, Tran K. Relationship between the Polymer Blend Using Chitosan, Polyethylene Glycol, Polyvinyl Alcohol, Polyvinylpyrrolidone, and Antimicrobial Activities against Staphylococcus aureus. Pharmaceutics 2023; 15:2453. [PMID: 37896214 PMCID: PMC10610092 DOI: 10.3390/pharmaceutics15102453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/04/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
The findings from Pareto charts, main effect plots, and interaction plots demonstrate the importance of polymer concentration. Increasing concentration improves the inhibition percentage and decreases the MIC50. However, the primary factor that influences these changes is chitosan (CS). Additionally, the interaction between CS and PVP, along with other polymers, plays a crucial role in achieving better antimicrobial effects. These results enhance our understanding of the antimicrobial properties of the studied polymers and offer valuable insights for developing effective antimicrobial formulations. The MIC50 value of M1-M16 was at a polymer percentage of 12.5%. At 12.5% polymer percentage, with the limits of [PVA], [PEG], and [PVP] being 0.002-0.004 g/mL and [CS] being 0.001-0.002 g/mL, using the 2-level full factorial method, the inhibition percentage is equal to 174.1 - 27,812 PVA - 18,561 PVP - 25,960 PEG - 38,752 CS + 9,263,047 PVA*PVP + 10,430,763 PVA*PEG + 15,397,157 PVA*CS + 7,088,313 PVP*PEG + 7,841,221 PVP*CS + 14,228,046 PEG*CS - 3,367,292,860 PVA*PVP*PEG - 5,671,998,721 PVA*PVP*CS - 6,619,041,275 PVA*PEG*CS - 3,917,095,529 PVP*PEG*CS + 2,273,661,969,470 PVA*PVP*PEG*CS. Theoretically, the most economical concentrations of PVA, PVP, PEG, and CS are 0.002, 0.002, 0.002, and 0.001 mg/mL at a concentration of 12.5% to reach an inhibition percentage of 99.162%, which coincides with the MBC value.
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Affiliation(s)
- Linh Doan
- School of Chemical and Environmental Engineering, International University—Vietnam National University, Ho Chi Minh City 70000, Vietnam
- Nanomaterials Engineering Research & Development (NERD) Laboratory, International University—Vietnam National University, Ho Chi Minh City 70000, Vietnam
| | - Khoa Tran
- School of Chemical and Environmental Engineering, International University—Vietnam National University, Ho Chi Minh City 70000, Vietnam
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13
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Li J, Lu Y, Wang H. Eco Polymeric Materials and Natural Polymer. Polymers (Basel) 2023; 15:4021. [PMID: 37836070 PMCID: PMC10575102 DOI: 10.3390/polym15194021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 09/29/2023] [Accepted: 09/30/2023] [Indexed: 10/15/2023] Open
Abstract
With the increasing concern regarding the undesirable environmental and socioeconomic consequences of petrochemicals and limited fossil resources, biomass, bio-based polymers, and other renewable natural resources have increasingly become alternatives for the production of functional materials [...].
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Affiliation(s)
- Jingpeng Li
- Key Laboratory of High Efficient Processing of Bamboo of Zhejiang Province, China National Bamboo Research Center, Hangzhou 310012, China
| | - Yun Lu
- Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China
| | - Huiqing Wang
- Department of Polymer Science and Engineering, School of Chemical Engineering, Hefei University of Technology, Hefei 230009, China;
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14
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Leonés A, Peponi L, García-Martínez JM, Collar EP. Study on the Tensile Behavior of Woven Non-Woven PLA/OLA/MgO Electrospun Fibers. Polymers (Basel) 2023; 15:3973. [PMID: 37836022 PMCID: PMC10574995 DOI: 10.3390/polym15193973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
The present work deeply studied the mechanical behavior of woven non-woven PLA/OLA/MgO electrospun fibers, efibers, by using Box-Wilson surface response methodology. This work follows up a previous one where both the diameters and the thermal response of such efibers were discussed in terms of both the different amounts of magnesium oxide nanoparticles, MgO, as well as of the oligomer (lactic acid), OLA, used as plasticizer. The results of both works, in term of diameters, degree of crystallinity, and mechanical response, can be strongly correlated to each other, as reported here. In particular, the strain mechanism of PLA/OLA/MgO efibers was studied, showing an orientation of efibers parallel to the applied stress and identifying the mechanically weakest points that yielded the start of the breakage of efibers. Moreover, we identified 1.5 wt% as the critical amount of MgO, above which the plasticizing effect of OLA was weaker as the amount of both components increased. Moreover, the minimum elastic modulus value took place at 15 wt% of OLA, in agreement with the previously reported convergence point in the evolution of the degree of crystallinity. Regarding the yield point, a concentration of OLA between 20 and 30 wt% led to a slight improvement in the yielding capability in terms of tensile strength in comparison with neat PLA efibers. Therefore, the approach presented here permits the design of tailor-made electrospun nanocomposites with specific mechanical requirements.
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Affiliation(s)
| | - Laura Peponi
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain; (A.L.); (J.-M.G.-M.); (E.P.C.)
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15
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Ye Y, Yu L, Lizundia E, Zhu Y, Chen C, Jiang F. Cellulose-Based Ionic Conductor: An Emerging Material toward Sustainable Devices. Chem Rev 2023; 123:9204-9264. [PMID: 37419504 DOI: 10.1021/acs.chemrev.2c00618] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
Ionic conductors (ICs) find widespread applications across different fields, such as smart electronic, ionotronic, sensor, biomedical, and energy harvesting/storage devices, and largely determine the function and performance of these devices. In the pursuit of developing ICs required for better performing and sustainable devices, cellulose appears as an attractive and promising building block due to its high abundance, renewability, striking mechanical strength, and other functional features. In this review, we provide a comprehensive summary regarding ICs fabricated from cellulose and cellulose-derived materials in terms of fundamental structural features of cellulose, the materials design and fabrication techniques for engineering, main properties and characterization, and diverse applications. Next, the potential of cellulose-based ICs to relieve the increasing concern about electronic waste within the frame of circularity and environmental sustainability and the future directions to be explored for advancing this field are discussed. Overall, we hope this review can provide a comprehensive summary and unique perspectives on the design and application of advanced cellulose-based ICs and thereby encourage the utilization of cellulosic materials toward sustainable devices.
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Affiliation(s)
- Yuhang Ye
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Le Yu
- School of Resource and Environmental Sciences, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, P. R. China
| | - Erlantz Lizundia
- Life Cycle Thinking Group, Department of Graphic Design and Engineering Projects, Faculty of Engineering in Bilbao University of the Basque Country (UPV/EHU), Bilbao 48013, Spain
- BCMaterials Lab, Basque Center for Materials, Applications and Nanostructures, Leioa 48940, Spain
| | - Yeling Zhu
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Chaoji Chen
- School of Resource and Environmental Sciences, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, P. R. China
| | - Feng Jiang
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
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16
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Andanje MN, Mwangi JW, Mose BR, Carrara S. Biocompatible and Biodegradable 3D Printing from Bioplastics: A Review. Polymers (Basel) 2023; 15:2355. [PMID: 37242930 PMCID: PMC10221408 DOI: 10.3390/polym15102355] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/05/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
There has been a lot of interest in developing and producing biodegradable polymers to address the current environmental problem caused by the continued usage of synthetic polymers derived from petroleum products. Bioplastics have been identified as a possible alternative to the use of conventional plastics since they are biodegradable and/or derived from renewable resources. Additive manufacturing, also referred to as 3D printing, is a field of growing interest and can contribute towards a sustainable and circular economy. The manufacturing technology also provides a wide material selection with design flexibility increasing its usage in the manufacture of parts from bioplastics. With this material flexibility, efforts have been directed towards developing 3D printing filaments from bioplastics such as Poly (lactic acid) to substitute the common fossil- based conventional plastic filaments such as Acrylonitrile butadiene styrene. Plant biomass is now utilized in the development of biocomposite materials. A lot of literature presents work done toward improving the biodegradability of printing filaments. However, additive manufacture of biocomposites from plant biomass is faced with printing challenges such as warping, low agglomeration between layers and poor mechanical properties of the printed parts. The aim of this paper is to review the technology of 3D printing using bioplastics, study the materials that have been utilized in this technology and how challenges of working with biocomposites in additive manufacture have been addressed.
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Affiliation(s)
- Maurine Naliaka Andanje
- Department of Mechatronic Engineering, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi 00200, Kenya
| | - James Wamai Mwangi
- Department of Mechatronic Engineering, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi 00200, Kenya
| | - Bruno Roberts Mose
- Department of Mechanical Engineering, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi 00200, Kenya
| | - Sandro Carrara
- Institute of Electrical and Micro Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
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17
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Idris SN, Amelia TSM, Bhubalan K, Lazim AMM, Zakwan NAMA, Jamaluddin MI, Santhanam R, Amirul AAA, Vigneswari S, Ramakrishna S. The degradation of single-use plastics and commercially viable bioplastics in the environment: A review. ENVIRONMENTAL RESEARCH 2023; 231:115988. [PMID: 37105296 DOI: 10.1016/j.envres.2023.115988] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 04/17/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
Plastics have become an integral part of human life. Single-use plastics (SUPs) are disposable plastics designed to be used once then promptly discarded or recycled. This SUPs range from packaging and takeaway containers to disposable razors and hotel toiletries. Synthetic plastics, which are made of non-renewable petroleum and natural gas resources, require decades to perpetually disintegrate in nature thus contribute to plastic pollution worldwide, especially in marine environments. In response to these problems, bioplastics or bio-based and biodegradable polymers from renewable sources has been considered as an alternative. Understanding the mechanisms behind the degradation of conventional SUPs and biodegradability of their greener counterpart, bioplastics, is crucial for appropriate material selection in the future. This review aims to provide insights into the degradation or disintegration of conventional single-use plastics and the biodegradability of the different types of greener-counterparts, bioplastics, their mechanisms, and conditions. This review highlights on the biodegradation in the environments including composting systems. Here, the various types of alternative biodegradable polymers, such as bacterially biosynthesised bioplastics, natural fibre-reinforced plastics, starch-, cellulose-, lignin-, and soy-based polymers were explored. Review of past literature revealed that although bioplastics are relatively eco-friendly, their natural compositions and properties are inconsistent. Furthermore, the global plastic market for biodegradable plastics remains relatively small and require further research and commercialization efforts, especially considering the urgency of plastic and microplastic pollution as currently critical global issue. Biodegradable plastics have potential to replace conventional plastics as they show biodegradation ability under real environments, and thus intensive research on the various biodegradable plastics is needed to inform stakeholders and policy makers on the appropriate response to the gradually emerging biodegradable plastics.
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Affiliation(s)
- Siti Norliyana Idris
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Tan Suet May Amelia
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Kesaven Bhubalan
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia; Institute of Marine Biotechnology, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Anim Maisara Mohd Lazim
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | | | - Muhammad Imran Jamaluddin
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Rameshkumar Santhanam
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Al-Ashraf Abdullah Amirul
- School of Biological Science, Universiti Sains Malaysia, Pulau Pinang, Malaysia; Centre for Chemical Biology, Universiti Sains Malaysia, Bayan Lepas, Penang, Malaysia; Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Penang, Malaysia.
| | - Sevakumaran Vigneswari
- Institute of Marine Biotechnology, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia.
| | - Seeram Ramakrishna
- Center for Nanotechnology and Sustainability, national University of Singapore, 119260, Singapore.
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18
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Myalenko D, Fedotova O. Physical, Mechanical, and Structural Properties of the Polylactide and Polybutylene Adipate Terephthalate (PBAT)-Based Biodegradable Polymer during Compost Storage. Polymers (Basel) 2023; 15:polym15071619. [PMID: 37050232 PMCID: PMC10097148 DOI: 10.3390/polym15071619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/17/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023] Open
Abstract
Today, packaging is an integral part of any food product, preserving its quality and safety. The use of biodegradable packaging as an alternative to conventional polymers reduces the consumption of synthetic polymers and their negative impacts on the environment. The purpose of this study was to analyze the properties of a biodegradable compound based on polylactide (PLA) and polybutylene adipate terephthalate (PBAT). Test samples were made by blown extrusion. The structural, physical, and mechanical properties of the PLA/PBAT material were studied. The property variations during compost storage in the lab were monitored for 365 days. The physical and mechanical properties were measured in accordance with the GOST 14236-2017 (ISO 527-2:2012) standard. We measured the tensile strength and elongation at rupture. We used attenuated total reflectance Fourier transform infrared microscopy (ATR-FTIR) to analyze the changes in the material structure. This paper presents a comparative analysis of the strengths of a biodegradable material and grade H polyethylene film (manufactured to GOST 10354-82). PLA/PBAT's longitudinal and transverse tensile strengths are 14.08% and 32.59% lower than those of LDPE, respectively. Nevertheless, the results indicate that, given its physical and mechanical properties, the PLA/PBAT material can be an alternative to conventional PE film food packaging. The structural study results are in good agreement with the physical and mechanical tests. Micrographs clearly show the surface deformations of the biodegradable material. They increase with the compost storage duration. The scanning microscopy (SEM) surface analysis of the original PLA/PBAT films indicated that the PLA structure is similar to that of a multilayer shell or sponge, which is visible at medium and especially high magnification. We conclude that PLA/PBAT-based biodegradable materials are potential substitutes for conventional PE polymer films.
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Affiliation(s)
- Dmitry Myalenko
- All-Russian Dairy Research Institute, Lyusinovskaya Street, 35, 7, 115093 Moscow, Russia
| | - Olga Fedotova
- All-Russian Dairy Research Institute, Lyusinovskaya Street, 35, 7, 115093 Moscow, Russia
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19
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Eissenberger K, Ballesteros A, De Bisschop R, Bugnicourt E, Cinelli P, Defoin M, Demeyer E, Fürtauer S, Gioia C, Gómez L, Hornberger R, Ißbrücker C, Mennella M, von Pogrell H, Rodriguez-Turienzo L, Romano A, Rosato A, Saile N, Schulz C, Schwede K, Sisti L, Spinelli D, Sturm M, Uyttendaele W, Verstichel S, Schmid M. Approaches in Sustainable, Biobased Multilayer Packaging Solutions. Polymers (Basel) 2023; 15:1184. [PMID: 36904425 PMCID: PMC10007551 DOI: 10.3390/polym15051184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 03/03/2023] Open
Abstract
The depletion of fossil resources and the growing demand for plastic waste reduction has put industries and academic researchers under pressure to develop increasingly sustainable packaging solutions that are both functional and circularly designed. In this review, we provide an overview of the fundamentals and recent advances in biobased packaging materials, including new materials and techniques for their modification as well as their end-of-life scenarios. We also discuss the composition and modification of biobased films and multilayer structures, with particular attention to readily available drop-in solutions, as well as coating techniques. Moreover, we discuss end-of-life factors, including sorting systems, detection methods, composting options, and recycling and upcycling possibilities. Finally, regulatory aspects are pointed out for each application scenario and end-of-life option. Moreover, we discuss the human factor in terms of consumer perception and acceptance of upcycling.
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Affiliation(s)
- Kristina Eissenberger
- Sustainable Packaging Institute SPI, Faculty of Life Sciences, Albstadt-Sigmaringen University, Anton-Günther-Str. 51, 72488 Sigmaringen, Germany
| | - Arantxa Ballesteros
- Centro Tecnológico ITENE, Parque Tecnológico, Carrer d’Albert Einstein 1, 46980 Paterna, Spain
| | - Robbe De Bisschop
- Centexbel, Textile Competence Centre, Etienne Sabbelaan 49, 8500 Kortrijk, Belgium
| | - Elodie Bugnicourt
- Graphic Packaging International, Fountain Plaza, Belgicastraat 7, 1930 Zaventem, Belgium
| | - Patrizia Cinelli
- Planet Bioplastics S.r.l., Via San Giovanni Bosco 23, 56127 Pisa, Italy
| | - Marc Defoin
- Bostik SA, 420 rue d’Estienne d’Orves, 92700 Colombes, France
| | - Elke Demeyer
- Centexbel, Textile Competence Centre, Etienne Sabbelaan 49, 8500 Kortrijk, Belgium
| | - Siegfried Fürtauer
- Fraunhofer Institute for Process Engineering and Packaging, Materials Development, Giggenhauser Str. 35, 85354 Freising, Germany
| | - Claudio Gioia
- Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Via Terracini 28, 40131 Bologna, Italy
| | - Lola Gómez
- AIMPLAS, Plastics Technology Center, Valencia Parc Tecnologic, Carrer de Gustave Eiffel 4, 46980 Paterna, Spain
| | - Ramona Hornberger
- Fraunhofer Institute for Process Engineering and Packaging, Materials Development, Giggenhauser Str. 35, 85354 Freising, Germany
| | | | - Mara Mennella
- KNEIA S.L., Carrer d’Aribau 168-170, 08036 Barcelona, Spain
| | - Hasso von Pogrell
- AIMPLAS, Plastics Technology Center, Valencia Parc Tecnologic, Carrer de Gustave Eiffel 4, 46980 Paterna, Spain
| | | | - Angela Romano
- Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Via Terracini 28, 40131 Bologna, Italy
| | - Antonella Rosato
- Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Via Terracini 28, 40131 Bologna, Italy
| | - Nadja Saile
- Sustainable Packaging Institute SPI, Faculty of Life Sciences, Albstadt-Sigmaringen University, Anton-Günther-Str. 51, 72488 Sigmaringen, Germany
| | - Christian Schulz
- European Bioplastics e.V. (EUBP), Marienstr. 19/20, 10117 Berlin, Germany
| | - Katrin Schwede
- European Bioplastics e.V. (EUBP), Marienstr. 19/20, 10117 Berlin, Germany
| | - Laura Sisti
- Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Via Terracini 28, 40131 Bologna, Italy
| | - Daniele Spinelli
- Next Technology Tecnotessile, Chemical Division, Via del Gelso 13, 59100 Prato, Italy
| | - Max Sturm
- Sustainable Packaging Institute SPI, Faculty of Life Sciences, Albstadt-Sigmaringen University, Anton-Günther-Str. 51, 72488 Sigmaringen, Germany
| | - Willem Uyttendaele
- Centexbel, Textile Competence Centre, Etienne Sabbelaan 49, 8500 Kortrijk, Belgium
| | | | - Markus Schmid
- Sustainable Packaging Institute SPI, Faculty of Life Sciences, Albstadt-Sigmaringen University, Anton-Günther-Str. 51, 72488 Sigmaringen, Germany
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20
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Adjuik TA, Nokes SE, Montross MD. Biodegradability of bio‐based and synthetic hydrogels as sustainable soil amendments: A review. J Appl Polym Sci 2023. [DOI: 10.1002/app.53655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Toby A. Adjuik
- Department of Biosystems and Agricultural Engineering University of Kentucky Lexington Kentucky USA
- Department of Agronomy Iowa State University Ames Iowa USA
| | - Sue E. Nokes
- Department of Biosystems and Agricultural Engineering University of Kentucky Lexington Kentucky USA
| | - Michael D. Montross
- Department of Biosystems and Agricultural Engineering University of Kentucky Lexington Kentucky USA
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21
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Biodegradation of Different Types of Bioplastics through Composting—A Recent Trend in Green Recycling. Catalysts 2023. [DOI: 10.3390/catal13020294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
In recent years, the adoption of sustainable alternatives has become a powerful tool for replacing petroleum-based polymers. As a biodegradable alternative to petroleum-derived plastics, bioplastics are becoming more and more prevalent and have the potential to make a significant contribution to reducing plastic pollution in the environment. Meanwhile, their biodegradation is highly dependent on their environment. The leakage of bioplastics into the environment and their long degradation time frame during waste management processes are becoming major concerns that need further investigation. This review highlights the extent and rate of the biodegradation of bioplastic in composting, soil, and aquatic environments, and examines the biological and environmental factors involved in the process. Furthermore, the review highlights the need for further research on the long-term fate of bioplastics in natural and industrial environments. The roles played by enzymes as biocatalysts and metal compounds as catalysts through composting can help to achieve a sustainable approach to the biodegradation of biopolymers. The knowledge gained in this study will also contribute to the development of policies and assessments for bioplastic waste, as well as provide direction for future bioplastics research and development.
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22
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Effects of Bamboo Leaf Fiber Content on Cushion Performance and Biodegradability of Natural Rubber Latex Foam Composites. Polymers (Basel) 2023; 15:polym15030654. [PMID: 36771955 PMCID: PMC9922013 DOI: 10.3390/polym15030654] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/20/2023] [Accepted: 01/25/2023] [Indexed: 02/01/2023] Open
Abstract
Bamboo leaf fiber (BLF) was incorporated into an eco-friendly foam cushion made from natural rubber latex (NRL) to enhance the biodegradation rate. The objective of this work was to investigate the effects of BLF content on the foam structure, mechanical properties, cushion performance, and biodegradability. The NRL foam cushion nets with and without BLF were prepared using the Dunlop method along with microwave-assisted vulcanization. BLF (90-106 µm in length) at various loadings (0.00, 2.50, 5.00, 7.50, and 10.00 phr) were introduced to the latex compounds before gelling and vulcanizing steps. Scanning electron microscopy (SEM) showed that the BLF in a NRL foam caused an increase in cell size and a decrease in the number of cells. The changes in the cell structure and number of cells resulted in increases in the bulk density, hardness, compression set, compressive strength, and cushion coefficient. A soil burial test of 24 weeks revealed faster weight loss of 1.8 times when the BLF content was 10.00 phr as compared to the NRL foam without BLF. The findings of this work suggest the possibility of developing an eco-friendly cushion with a faster degradation rate while maintaining cushion performance, which could be a better alternative for sustainable packaging in the future.
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23
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Thomas J, Patil R. Enabling Green Manufacture of Polymer Products via Vegetable Oil Epoxides. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c03867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Jomin Thomas
- School of Polymer Science and Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
| | - Renuka Patil
- School of Polymer Science and Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
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24
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Properties of Luffa Cylindrica Mats Reinforced Castor Oil-Based Polyurethane Composite as an Alternative for Oriented Strand Board. Polymers (Basel) 2022; 14:polym14245533. [PMID: 36559899 PMCID: PMC9785248 DOI: 10.3390/polym14245533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/07/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
The main objective of this work was to produce and characterize a novel ecofriendly castor oil-based polyurethane (COPU) matrix composite reinforced by Luffa cylindrica mats, luffa for short, to be used as panels, as an alternative to oriented strand board (OSB). To do so, the mechanical behavior was evaluated by tree point flexural, perpendicular o surface tensile, screw pullout, and impact tests that were carried on the novel composite along with the neat matrix. Furthermore, the physical characteristics, the thermomechanical behavior, and the functional groups of the materials were observed by water absorption and thickness swelling tests along with dilatometry and Fourier transform infrared spectroscopy (FTIR). A comparison with commercialized OSB was also performed for control. The luffa/COPU composite was prepared by hand lay-up with 48 vol% of luffa mats incorporated as the maximum allowed by the mold under the available resources for manufacturing. The luffa fibers acted as a good reinforcement for the COPU matrix, where the flexural strength and modulus of elasticity were increased by more than 23 and 10 times, respectively, and the other mechanical properties more than doubled for the composites compared to the neat COPU resin. In general, the composite presented a lower performance compared to the commercial OSB, with the impact results being the exception. The water absorption and thickness swallowing results showed an already-expected behavior for the studied materials, where the better performance was found for the hydrophobic neat resin. The FTIR revealed that there was little interaction between luffa and COPU resin, which can be translated to a weak interface between these materials. However, the mechanical behavior, together with the other results presented by the luffa/COPU composite, confirm it is more than enough to be used as civil construction panels such as OSB.
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Adjuik TA, Nokes SE, Montross MD, Wendroth O. The Impacts of Bio-Based and Synthetic Hydrogels on Soil Hydraulic Properties: A Review. Polymers (Basel) 2022; 14:polym14214721. [PMID: 36365717 PMCID: PMC9656743 DOI: 10.3390/polym14214721] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/30/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022] Open
Abstract
Soil hydraulic properties are important for the movement and distribution of water in agricultural soils. The ability of plants to easily extract water from soil can be limited by the texture and structure of the soil, and types of soil amendments applied to the soil. Superabsorbent polymers (hydrogels) have been researched as potential soil amendments that could help improve soil hydraulic properties and make water more available to crops, especially in their critical growing stages. However, a lack of a comprehensive literature review on the impacts of hydrogels on soil hydraulic properties makes it difficult to recommend specific types of hydrogels that positively impact soil hydraulic properties. In addition, findings from previous research suggest contrasting effects of hydrogels on soil hydraulic properties. This review surveys the published literature from 2000 to 2020 and: (i) synthesizes the impacts of bio-based and synthetic hydrogels on soil hydraulic properties (i.e., water retention, soil hydraulic conductivity, soil water infiltration, and evaporation); (ii) critically discusses the link between the source of the bio-based and synthetic hydrogels and their impacts as soil amendments; and (iii) identifies potential research directions. Both synthetic and bio-based hydrogels increased water retention in soil compared to unamended soil with decreasing soil water pressure head. The application of bio-based and synthetic hydrogels both decreased saturated hydraulic conductivity, reduced infiltration, and decreased soil evaporation. Hybrid hydrogels (i.e., a blend of bio-based and synthetic backbone materials) may be needed to prolong the benefit of repeated water absorption in soil for the duration of the crop growing season.
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Affiliation(s)
- Toby A. Adjuik
- Department of Biosystems and Agricultural Engineering, University of Kentucky, Lexington, KY 40503, USA
- Correspondence:
| | - Sue E. Nokes
- Department of Biosystems and Agricultural Engineering, University of Kentucky, Lexington, KY 40503, USA
| | - Michael D. Montross
- Department of Biosystems and Agricultural Engineering, University of Kentucky, Lexington, KY 40503, USA
| | - Ole Wendroth
- Department of Plant & Soil Sciences, University of Kentucky, Lexington, KY 40503, USA
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26
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Rana S, Solanki M, Sahoo NG, Krishnakumar B. Bio-Vitrimers for Sustainable Circular Bio-Economy. Polymers (Basel) 2022; 14:4338. [PMID: 36297916 PMCID: PMC9606967 DOI: 10.3390/polym14204338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 10/03/2022] [Accepted: 10/06/2022] [Indexed: 11/16/2022] Open
Abstract
The aim to achieve sustainable development goals (SDG) and cut CO2-emission is forcing researchers to develop bio-based materials over conventional polymers. Since most of the established bio-based polymeric materials demonstrate prominent sustainability, however, performance, cost, and durability limit their utilization in real-time applications. Additionally, a sustainable circular bioeconomy (CE) ensures SDGs deliver material production, where it ceases the linear approach from production to waste. Simultaneously, sustainable circular bio-economy promoted materials should exhibit the prominent properties to involve and substitute conventional materials. These interceptions can be resolved through state-of-the-art bio-vitrimeric materials that display durability/mechanical properties such as thermosets and processability/malleability such as thermoplastics. This article emphasizes the current need for vitrimers based on bio-derived chemicals; as well as to summarize the developed bio-based vitrimers (including reprocessing, recycling and self-healing properties) and their requirements for a sustainable circular economy in future prospects.
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Affiliation(s)
- Sravendra Rana
- School of Engineering, Energy Acres, University of Petroleum and Energy Studies (UPES), Bidholi, Dehradun 248007, India
| | - Manisha Solanki
- School of Business, Energy Acres, University of Petroleum & Energy Studies (UPES), Bidholi, Dehradun 248007, India
| | - Nanda Gopal Sahoo
- Prof. Rajendra Singh Nanoscience and Nanotechnology Centre, Department of Chemistry, D.S.B. Campus, Kumaun University, Nainital 263001, India
| | - Balaji Krishnakumar
- College of Engineering, The Florida A&M University-Florida State University, 2525 Pottsdamer St., Tallahassee, FL 32310-6046, USA
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27
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Thomas J, Soucek MD. Cationic Copolymers of Norbornylized Seed Oils for Fiber-Reinforced Composite Applications. ACS OMEGA 2022; 7:33949-33962. [PMID: 36188245 PMCID: PMC9520558 DOI: 10.1021/acsomega.2c02569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 08/23/2022] [Indexed: 06/16/2023]
Abstract
Norbornylized seed oils, i.e., norbornylized linseed oil (NLO), norbornylized soybean oil (NSO), and norbornylized high oleic soybean oil (NHOSO), were synthesized via the Diels-Alder reaction of seed oil and dicyclopentadiene (DCPD) at high temperature (∼235 °C) and high pressure (∼80 psi), followed by cationic copolymerization using DCPD with boron trifluoride diethyl etherate catalyst. Norbornylized seed oils were characterized using H1 nuclear magnetic resonance (NMR), attenuated total reflectance-Fourier transform infrared, and gel permeation chromatography (GPC). Copolymers were formulated with four different DCPD contents, and curing was investigated using dynamic differential scanning calorimetry (DSC) measurements. It was found that the curing followed NLO > NSO > NHOSO with NLO having the highest exotherm, lowest activation energy, and lowest onset temperature. Furthermore, the gelation times were the least for NLO-DCPD copolymers. As anticipated, the degree of unsaturation and norbornene moieties strongly influenced the curing of copolymer thermosets. The copolymer products were compression-molded into thermosets and characterized by DSC, Soxhlet extraction, thermogravimetric analysis (TGA), H1 NMR, solid-state C13 NMR, and GPC. NLO-DCPD thermosets demonstrated high cure, higher thermal stability, glass transition temperature, and cross-linking capability compared to the other seed oil-DCPD counterparts. NMR and GPC results further suggested that bis-allylic and norbornene units concomitantly participated very actively during the cationic curing reaction. Moreover, scanning electron microscopy images of glass fiber-reinforced NLO-DCPD copolymer composites demonstrated good interfacial adhesion between the polymer matrix and fiber phases, imparting enhanced thermo-mechanical properties. This research opens a new venue for higher biobased greener polymer constituent for composite applications.
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28
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Boey JY, Lee CK, Tay GS. Factors Affecting Mechanical Properties of Reinforced Bioplastics: A Review. Polymers (Basel) 2022; 14:polym14183737. [PMID: 36145883 PMCID: PMC9505779 DOI: 10.3390/polym14183737] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/24/2022] [Accepted: 08/27/2022] [Indexed: 01/12/2023] Open
Abstract
The short life cycle and recalcitrant nature of petroleum-based plastics have been associated with plastic waste accumulation due to their composition rather than worldwide overproduction. The drive to replace single-use products has sparked a considerable amount of research work to discover sustainable options for petroleum-based plastics. Bioplastics open up a new horizon in plastics manufacturing operations and industrial sectors because of their low environmental impact, superior biodegradability, and contribution to sustainable goals. Their mechanical properties regarding tensile, flexural, hardness, and impact strength vary substantially. Various attempts have been made to augment their mechanical characteristics and capacities by incorporating reinforcement materials, such as inorganic and lignocellulosic fibres. This review summarizes the research on the properties of bioplastics modified by fibre reinforcement, with a focus on mechanical performance. The mechanical properties of reinforced bioplastics are significantly driven by parameters such as filler type, filler percentage, and aspect ratio. Fibre treatment aims to promote fibre–matrix adhesion by changing their physical, chemical, thermal, and mechanical properties. A general overview of how different filler treatments affect the mechanical properties of the composite is also presented. Lastly, the application of natural fibre-reinforced bioplastics in the automobile, construction, and packaging industries is discussed.
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Affiliation(s)
- Jet Yin Boey
- Bioresource Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia
| | - Chee Keong Lee
- Bioprocess Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia
| | - Guan Seng Tay
- Bioresource Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia
- Green Biopolymer, Coatings & Packaging Cluster, School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia
- Correspondence: ; Tel.: +60-4-6532201
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Awasthi SK, Kumar M, Kumar V, Sarsaiya S, Anerao P, Ghosh P, Singh L, Liu H, Zhang Z, Awasthi MK. A comprehensive review on recent advancements in biodegradation and sustainable management of biopolymers. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 307:119600. [PMID: 35691442 DOI: 10.1016/j.envpol.2022.119600] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/26/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
Recent years have seen upsurge in plastic manufacturing and its utilization in various fields, such as, packaging, household goods, medical applications, and beauty products. Due to various adverse impacts imposed by synthetic plastics on the health of living well-being and the environment, the biopolymers have been emerged out an alternative. Although, the biopolymers such as polyhydroxyalkanoates (PHA) are entirely degradable. However, the other polymers, such as poly (lactic acid) (PLA) are only partially degradable and often not biosynthesized. Biodegradation of the polymers using microorganisms is considered an effective bioremediation approach. Biodegradation can be performed in aerobic and anaerobic environments. In this context, the present review discusses the biopolymer production, their persistence in the environment, aerobic biodegradation, anaerobic biodegradation, challenges associated with biodegradation and future perspectives. In addition, this review discusses the advancement in the technologies associated with biopolymer production, biodegradation, and their biodegradation standard in different environmental settings. Furthermore, differences in the degradation condition in the laboratory as well as on-site are discussed.
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Affiliation(s)
- Sanjeev Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi Province, PR China
| | - Manish Kumar
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, 440020, Maharashtra, India
| | - Vinay Kumar
- Department of Biotechnology, Indian Institute of Technology (IIT) Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Surendra Sarsaiya
- Key Laboratory of Basic Pharmacology and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, Guizhou, China
| | - Prathmesh Anerao
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, 440020, Maharashtra, India
| | - Pooja Ghosh
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Lal Singh
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, 440020, Maharashtra, India
| | - Hong Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi Province, PR China
| | - Zengqiang Zhang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi Province, PR China
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi Province, PR China.
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30
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Shi Y, Huang W, Li Y, Wang W, Sui M, Yang Q, Tong Y, Yang K, Chen P. Toward heat resistant polylactide blend fibers via incorporation of low poly[(R)‐3‐hydroxybutyrate‐
co
‐4‐hydroxybutyrate] content. J Appl Polym Sci 2022. [DOI: 10.1002/app.52652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yamin Shi
- School of Chemistry and Chemical Engineering Jiangxi University of Science and Technology Ganzhou China
- Zhejiang Key Laboratory of Bio‐based Polymeric Materials Technology and Application, Ningbo Key Laboratory of Polymer Materials Ningbo Institute of Materials Technology and Engineering (NIMTE) Ningbo China
| | - Wei Huang
- Zhejiang Key Laboratory of Bio‐based Polymeric Materials Technology and Application, Ningbo Key Laboratory of Polymer Materials Ningbo Institute of Materials Technology and Engineering (NIMTE) Ningbo China
| | - Yi Li
- COFCO (jilin) Bio‐Chemical Technology Co., Ltd Changchun China
| | - Wenling Wang
- COFCO (jilin) Bio‐Chemical Technology Co., Ltd Changchun China
| | - Miao Sui
- COFCO (jilin) Bio‐Chemical Technology Co., Ltd Changchun China
| | - Qiu Yang
- Ningbo New Material Testing and Evaluation Center Co., Ltd Ningbo China
| | - Yi Tong
- COFCO (jilin) Bio‐Chemical Technology Co., Ltd Changchun China
| | - Kai Yang
- School of Chemistry and Chemical Engineering Jiangxi University of Science and Technology Ganzhou China
| | - Peng Chen
- Zhejiang Key Laboratory of Bio‐based Polymeric Materials Technology and Application, Ningbo Key Laboratory of Polymer Materials Ningbo Institute of Materials Technology and Engineering (NIMTE) Ningbo China
- Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing China
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31
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Liang L, Chen H. Development and characterization of biodegradable ultraviolet protective and antibacterial polylactic acid-cellulose acetate film modified by phenyl salicylate. Int J Biol Macromol 2022; 211:85-93. [PMID: 35561857 DOI: 10.1016/j.ijbiomac.2022.05.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/06/2022] [Accepted: 05/07/2022] [Indexed: 11/05/2022]
Abstract
The polylactic acid composite films were successfully fabricated via the technique of solvent casting using cellulose acetate (20%, wt) as the reinforcing material and phenyl salicylate as the ultraviolet (UV) absorbent and antibacterial agent. Polylactic acid-cellulose acetate-phenyl salicylate composite films displayed complete absorption effect at the region of UV-C (280-100 nm) and UV-B (315-280 nm), and more than 95% UV absorption effect at the region of UV-A (400-315 nm). These results indicate that the UV shielding performance of the composite films could be significantly improve by addition of phenyl salicylate. Moreover, the addition of 20% phenyl salicylate could improve the steam resistance, mechanical properties and thermal stability of the films, and the composite films had also better antibacterial activity against Escherichia coli. The composite films could reduce the decay rate of fresh lilies and extend their storage time. The degradation characteristics of the films were explored in the natural environment and the laboratory level, which provided application prospect for the development of degradable food packaging materials with anti-ultraviolet and anti-bacteria effect.
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Affiliation(s)
- Liyuan Liang
- College of Science, Beijing Forestry University, Beijing 100083, China; Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China
| | - Hongyan Chen
- College of Science, Beijing Forestry University, Beijing 100083, China; Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
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32
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Novel Sustainable Castor Oil-Based Polyurethane Biocomposites Reinforced with Piassava Fiber Powder Waste for High-Performance Coating Floor. SUSTAINABILITY 2022. [DOI: 10.3390/su14095082] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The search for new greener materials that contribute to a more sustainable world motivated the present study in which novel biocomposites with 10, 20 and 30 vol% of piassava fiber powder waste reinforcing castor oil-based polyurethane (COPU) intended for a high-performance coated floor (HPCF) were developed. The novel biocomposites were characterized by flexural, Izod impact and wear standard tests as well as Fourier transform infrared spectroscopy (FTIR) and fracture analysis using scanning electron microscopy (SEM). Both flexural modulus and strength displayed marked increases reaching more than 800 and 500%, respectively, compared to plain COPU for 30 vol% piassava powder incorporation. FTIR bands indicated the existence of interaction between the piassava constituents and COPU. However, SEM fractographs disclosed the presence of bubbles attributed to retained gases during the COPU curing. Consequently, the Izod impact resistance showed a 50% decrease while the wear was more than three times accentuated for 30 vol% piassava powder biocomposite. These results met the specified values of corresponding standards and revealed a promising new greener material for HPCFs.
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33
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Carboué Q, Fadlallah S, Werghi Y, Longé L, Gallos A, Allais F, Lopez M. Impact of Bis-O-dihydroferuloyl-1,4-butanediol Content on the Chemical, Enzymatic and Fungal Degradation Processes of Poly(3-hydroxybutyrate). Polymers (Basel) 2022; 14:polym14081564. [PMID: 35458314 PMCID: PMC9031392 DOI: 10.3390/polym14081564] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/04/2022] [Accepted: 04/07/2022] [Indexed: 02/05/2023] Open
Abstract
Poly-β-hydroxybutyrate (PHB) is a very common bio-based and biocompatible polymer obtained from the fermentation of soil bacteria. Due to its important crystallinity, PHB is extremely brittle in nature, which results in poor mechanical properties with low extension at the break. To overcome these issues, the crystallinity of PHB can be reduced by blending with plasticizers such as ferulic acid derivatives, e.g., bis-O-dihydroferuloyl-1,4-butanediol (BDF). The degradation potential of polymer blends of PHB containing various percentages (0, 5, 10, 20, and 40 w%) of BDF was investigated through chemical, enzymatic and fungal pathways. Chemical degradation revealed that, in 0.25 M NaOH solution, the presence of BDF in the blend was necessary to carry out the degradation, which increased as the BDF percentage increased. Whereas no enzymatic degradation could be achieved in the tested conditions. Fungal degradation was achieved with a strain isolated from the soil and monitored through imagery processing. Similar to the chemical degradation, higher BDF content resulted in higher degradation by the fungus.
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34
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Methodologies to Assess the Biodegradability of Bio-Based Polymers—Current Knowledge and Existing Gaps. Polymers (Basel) 2022; 14:polym14071359. [PMID: 35406232 PMCID: PMC9002992 DOI: 10.3390/polym14071359] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/24/2022] [Accepted: 03/24/2022] [Indexed: 12/19/2022] Open
Abstract
Our society lives in a time of transition where traditional petroleum-based polymers/plastics are being replaced by more sustainable alternative materials. To consider these bioproducts as more viable options than the actual ones, it is demanded to ensure that they are fully biodegradable or compostable and that there is no release of hazardous compounds to the environment with their degradation. It is then essential to adapt the legislation to support novel specific guidelines to test the biodegradability of each biopolymer in varied environments, and consequently, establish consistent data to design a coherent labeling system. This review work aims to point out the current standards that can serve as a basis for the characterization of biopolymers’ biodegradation profile in different environments (soil, compost, and aquatic systems) and identify other laboratory methodologies that have been adopted for the same purpose. With the information gathered in this work, it was possible to identify remaining gaps in existing national and international standards to help establish new validation criteria to be introduced in future research and policies related to bioplastics to boost the sustainable progress of this rising industry.
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35
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Aliotta L, Vannozzi A, Cinelli P, Coltelli MB, Lazzeri A. Essential Work of Fracture and Evaluation of the Interfacial Adhesion of Plasticized PLA/PBSA Blends with the Addition of Wheat Bran By-Product. Polymers (Basel) 2022; 14:615. [PMID: 35160603 PMCID: PMC8838359 DOI: 10.3390/polym14030615] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 01/31/2022] [Accepted: 02/01/2022] [Indexed: 12/10/2022] Open
Abstract
In this work biocomposites based on plasticized poly(lactic acid) (PLA)-poly(butylene succinate-co-adipate) (PBSA) matrix containing wheat bran fiber (a low value by-product of food industry) were investigated. The effect of the bran addition on the mechanical properties is strictly correlated to the fiber-matrix adhesion and several analytical models, based on static and dynamic tests, were applied in order to estimate the interfacial shear strength of the biocomposites. Finally, the essential work of fracture approach was carried out to investigate the effect of the bran addition on composite fracture toughness.
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Affiliation(s)
- Laura Aliotta
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.V.); (P.C.); (A.L.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy
| | - Alessandro Vannozzi
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.V.); (P.C.); (A.L.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy
| | - Patrizia Cinelli
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.V.); (P.C.); (A.L.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy
- Planet Bioplastics s.r.l., Via San Giovanni Bosco 23, 56127 Pisa, Italy
| | - Maria-Beatrice Coltelli
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.V.); (P.C.); (A.L.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy
| | - Andrea Lazzeri
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.V.); (P.C.); (A.L.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy
- Planet Bioplastics s.r.l., Via San Giovanni Bosco 23, 56127 Pisa, Italy
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36
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Erdem Ç, Isık T, Horzum N, Hazer B, Demir MM. Electrospinning of Fatty Acid‐Based and Metal Incorporated Polymers for the Fabrication of Eco‐Friendly Fibers. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202100438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Çaǧlar Erdem
- Department of Materials Science and Engineering İzmir Institute of Technology İzmir Turkey
| | - Tuǧba Isık
- Department of Mineral Analysis and Technologies General Directorate of Mineral Research and Exploration Ankara Turkey
| | - Nesrin Horzum
- Department of Engineering Sciences İzmir Katip Celebi University İzmir Turkey
| | - Baki Hazer
- Department of Aircraft Airflame Engine Maintenance Kapadokya University Ürgüp Nevşehir Turkey
- Zonguldak Bülent Ecevit University Department of Chemistry Zonguldak Turkey
| | - Mustafa M. Demir
- Department of Materials Science and Engineering İzmir Institute of Technology İzmir Turkey
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37
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Wikandari R, Hasniah N, Taherzadeh MJ. The role of filamentous fungi in advancing the development of a sustainable circular bioeconomy. BIORESOURCE TECHNOLOGY 2022; 345:126531. [PMID: 34896535 DOI: 10.1016/j.biortech.2021.126531] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/03/2021] [Accepted: 12/04/2021] [Indexed: 06/14/2023]
Abstract
Human activities generate enormous amounts of organic wastes and residues. Filamentous fungi (FF) are able to grow on a broad range of substrates and survive over a wide spectrum of growth conditions. These characteristics enable FF to be exploited in biorefineries for various waste streams. Valorization of food industry byproducts into biomass and various arrays of value-added products using FF creates promising pathways toward a sustainable circular economy. This approach might also contribute to reaching the sustainable development goals set by the United Nations, particularly for zero hunger as well as affordable and clean energy. This paper presents the application of filamentous fungi in food, feeds, fuels, biochemicals, and biopolymers. The nutritional values, health benefits, and safety of foods derived from byproducts of food industries are also addressed. The technoeconomical feasibilities, sustainability aspects and challenges and future perspectives for biorefineries using filamentous fungi are discussed.
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Affiliation(s)
- Rachma Wikandari
- Department of Food and Agricultural Product Technology, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia.
| | - Nurul Hasniah
- Department of Food Technology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
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38
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Preparation and Characterization of Chitosan-Alginate Microspheres Loaded with Quercetin. Polymers (Basel) 2022; 14:polym14030490. [PMID: 35160478 PMCID: PMC8839549 DOI: 10.3390/polym14030490] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/17/2022] [Accepted: 01/19/2022] [Indexed: 12/17/2022] Open
Abstract
The aim of this paper was to formulate microspheres based on biodegradable polymers (chitosan and sodium alginate), using the complex coacervation technique. Subsequently, the prepared microspheres were loaded with quercetin (QUE), a pharmacological active ingredient insoluble in water and unstable to light, temperature and air. After preparation, the loaded microspheres underwent several studies for physical chemical characterization (performed by scanning electron microscopy-SEM, laser 3D scanning, and thermal analysis-TA). Furthermore, they were analyzed in order to obtain information regarding swelling index, drug entrapment, and in vitro release capacity. The obtained experimental data demonstrated 86.07% entrapment of QUE into the microspheres, in the case of the one with the highest Ch concentration. Additionally, it was proved that such systems allow the controlled release of the active drug over 24 h at the intestinal level. SEM micrographs proved that the prepared microspheres have a wrinkled surface, with compact structures and a large number of folds. On the basis of the TA analysis, it was concluded that the obtained microspheres were thermally stable, facilitating their usage at normal physiological temperatures as drug delivery systems.
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39
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Biosynthesis of Poly-(3-hydroxybutyrate) under the Control of an Anaerobically Induced Promoter by Recombinant Escherichia coli from Sucrose. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27010294. [PMID: 35011525 PMCID: PMC8746831 DOI: 10.3390/molecules27010294] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 12/28/2021] [Accepted: 12/31/2021] [Indexed: 12/05/2022]
Abstract
Poly-(3-hydroxybutyrate) (PHB) is a polyester with biodegradable and biocompatible characteristics and has many potential applications. To reduce the raw material costs and microbial energy consumption during PHB production, cheaper carbon sources such as sucrose were evaluated for the synthesis of PHB under anaerobic conditions. In this study, metabolic network analysis was conducted to construct an optimized pathway for PHB production using sucrose as the sole carbon source and to guide the gene knockout to reduce the generation of mixed acid byproducts. The plasmid pMCS-sacC was constructed to utilize sucrose as a sole carbon source, and the cascaded promoter P3nirB was used to enhance PHB synthesis under anaerobic conditions. The mixed acid fermentation pathway was knocked out in Escherichia coli S17-1 to reduce the synthesis of byproducts. As a result, PHB yield was improved to 80% in 6.21 g/L cell dry weight by the resulted recombinant Escherichia coli in a 5 L bed fermentation, using sucrose as the sole carbon source under anaerobic conditions. As a result, the production costs of PHB will be significantly reduced.
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Nanda S, Patra BR, Patel R, Bakos J, Dalai AK. Innovations in applications and prospects of bioplastics and biopolymers: a review. ENVIRONMENTAL CHEMISTRY LETTERS 2022; 20:379-395. [PMID: 34867134 PMCID: PMC8629338 DOI: 10.1007/s10311-021-01334-4] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 09/23/2021] [Indexed: 05/22/2023]
Abstract
Non-biodegradable plastics are continually amassing landfills and oceans worldwide while creating severe environmental issues and hazards to animal and human health. Plastic pollution has resulted in the death of millions of seabirds and aquatic animals. The worldwide production of plastics in 2020 has increased by 36% since 2010. This has generated significant interest in bioplastics to supplement global plastic demands. Bioplastics have several advantages over conventional plastics in terms of biodegradability, low carbon footprint, energy efficiency, versatility, unique mechanical and thermal characteristics, and societal acceptance. Bioplastics have huge potential to replace petroleum-based plastics in a wide range of industries from automobiles to biomedical applications. Here we review bioplastic polymers such as polyhydroxyalkanoate, polylactic acid, poly-3-hydroxybutyrate, polyamide 11, and polyhydroxyurethanes; and cellulose-based, starch-based, protein-based and lipid-based biopolymers. We discuss economic benefits, market scenarios, chemistry and applications of bioplastic polymers.
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Affiliation(s)
- Sonil Nanda
- Titan Clean Energy Projects Corporation, Craik, SK Canada
| | - Biswa R. Patra
- Department of Chemical and Biological Engineering, University of Saskatchewan, Saskatoon, SK Canada
| | - Ravi Patel
- Department of Chemical and Biological Engineering, University of Saskatchewan, Saskatoon, SK Canada
| | - Jamie Bakos
- Titan Clean Energy Projects Corporation, Craik, SK Canada
| | - Ajay K. Dalai
- Department of Chemical and Biological Engineering, University of Saskatchewan, Saskatoon, SK Canada
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Khan R, Haider S, Razak SIA, Haider A, Khan MUA, Wahit MU, Bukhari N, Ahmad A. Recent advances in renewable polymer/metal oxide systems used for tissue engineering. RENEWABLE POLYMERS AND POLYMER-METAL OXIDE COMPOSITES 2022:395-445. [DOI: 10.1016/b978-0-323-85155-8.00010-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Dutta N, Hazarika S, Maji TK. Study on the role of tannic acid–calcium oxide adduct as a green heat stabilizer as well as reinforcing filler in the bio‐based hybrid polyvinyl chloride–thermoplastic starch polymer composite. POLYM ENG SCI 2021. [DOI: 10.1002/pen.25761] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Nipu Dutta
- Department of Chemical Sciences Tezpur University, Napaam Tezpur Assam India
| | | | - Tarun Kumar Maji
- Department of Chemical Sciences Tezpur University, Napaam Tezpur Assam India
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Boey JY, Mohamad L, Khok YS, Tay GS, Baidurah S. A Review of the Applications and Biodegradation of Polyhydroxyalkanoates and Poly(lactic acid) and Its Composites. Polymers (Basel) 2021; 13:1544. [PMID: 34065779 PMCID: PMC8150976 DOI: 10.3390/polym13101544] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/12/2021] [Accepted: 03/15/2021] [Indexed: 12/12/2022] Open
Abstract
Overconsumption of plastic goods and improper handling of petroleum-derived plastic waste have brought a plethora of negative impacts to the environment, ecosystem and human health due to its recalcitrance to degradation. These drawbacks become the main driving force behind finding biopolymers with the degradable properties. With the advancement in biopolymer research, polyhydroxyalkanoate (PHA) and poly(lacyic acid) (PLA) and its composites have been alluded to as a potential alternative to replace the petrochemical counterpart. This review highlights the current synthesis process and application of PHAs and PLA and its composites for food packaging materials and coatings. These biopolymers can be further ameliorated to enhance their applicability and are discussed by including the current commercially available packaging products. Factors influencing biodegradation are outlined in the latter part of this review. The main aim of this review article is to organize the scattered available information on various aspects of PHAs and PLA, and its composites for packaging application purposes. It is evident from a literature survey of about 140 recently published papers from the past 15 years that PLA and PHA show excellent physical properties as potential food packaging materials.
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Affiliation(s)
| | | | | | | | - Siti Baidurah
- School of Industrial Technology, Universiti Sains Malaysia, Minden 11800, Malaysia; (J.Y.B.); (L.M.); (Y.S.K.); (G.S.T.)
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Kumar B, Agumba DO, Pham DH, Latif M, Dinesh, Kim HC, Alrobei H, Kim J. Recent Research Progress on Lignin-Derived Resins for Natural Fiber Composite Applications. Polymers (Basel) 2021; 13:1162. [PMID: 33916412 PMCID: PMC8038635 DOI: 10.3390/polym13071162] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 11/24/2022] Open
Abstract
By increasing the environmental concerns and depletion of petroleum resources, bio-based resins have gained interest. Recently, lignin, vanillin (4-hydroxy-3-methoxybenzaldehyde), and divanillin (6,6'-dihydroxy-5,5'-dimethoxybiphenyl-3,3'-dicarbaldehyde)-based resins have attracted attention due to the low cost, environmental benefits, good thermal stability, excellent mechanical properties, and suitability for high-performance natural fiber composite applications. This review highlights the recent use of lignin, vanillin, and divanillin-based resins with natural fiber composites and their synthesized processes. Finally, discussions are made on the curing kinetics, mechanical properties, flame retardancy, and bio-based resins' adhesion property.
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Affiliation(s)
- Bijender Kumar
- Creative Research Center for Nanocellulose Future Composites, Inha University, 100, Inha-ro, Michuhol-gu, Incheon 22212, Korea; (B.K.); (D.O.A.); (D.H.P.); (M.L.); (D.); (H.C.K.)
| | - Dickens O. Agumba
- Creative Research Center for Nanocellulose Future Composites, Inha University, 100, Inha-ro, Michuhol-gu, Incheon 22212, Korea; (B.K.); (D.O.A.); (D.H.P.); (M.L.); (D.); (H.C.K.)
| | - Duc H. Pham
- Creative Research Center for Nanocellulose Future Composites, Inha University, 100, Inha-ro, Michuhol-gu, Incheon 22212, Korea; (B.K.); (D.O.A.); (D.H.P.); (M.L.); (D.); (H.C.K.)
| | - Muhammad Latif
- Creative Research Center for Nanocellulose Future Composites, Inha University, 100, Inha-ro, Michuhol-gu, Incheon 22212, Korea; (B.K.); (D.O.A.); (D.H.P.); (M.L.); (D.); (H.C.K.)
| | - Dinesh
- Creative Research Center for Nanocellulose Future Composites, Inha University, 100, Inha-ro, Michuhol-gu, Incheon 22212, Korea; (B.K.); (D.O.A.); (D.H.P.); (M.L.); (D.); (H.C.K.)
| | - Hyun Chan Kim
- Creative Research Center for Nanocellulose Future Composites, Inha University, 100, Inha-ro, Michuhol-gu, Incheon 22212, Korea; (B.K.); (D.O.A.); (D.H.P.); (M.L.); (D.); (H.C.K.)
| | - Hussein Alrobei
- Department of Mechanical Engineering, Prince Sattam Bin Abdul Aziz University, Al-Kharj 11942, Saudi Arabia;
| | - Jaehwan Kim
- Creative Research Center for Nanocellulose Future Composites, Inha University, 100, Inha-ro, Michuhol-gu, Incheon 22212, Korea; (B.K.); (D.O.A.); (D.H.P.); (M.L.); (D.); (H.C.K.)
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Review on Spinning of Biopolymer Fibers from Starch. Polymers (Basel) 2021; 13:polym13071121. [PMID: 33915955 PMCID: PMC8036305 DOI: 10.3390/polym13071121] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/18/2021] [Accepted: 03/20/2021] [Indexed: 12/16/2022] Open
Abstract
Increasing interest in bio-based polymers and fibers has led to the development of several alternatives to conventional plastics and fibers made of these materials. Biopolymer fibers can be made from renewable, environmentally friendly resources and can be fully biodegradable. Biogenic resources with a high content of carbohydrates such as starch-containing plants have huge potentials to substitute conventional synthetic plastics in a number of applications. Much literature is available on the production and modification of starch-based fibers and blends of starch with other polymers. Chemistry and structure–property relationships of starch show that it can be used as an attractive source of raw material which can be exploited for conversion into a number of high-value bio-based products. In this review, possible spinning techniques for the development of virgin starch or starch/polymer blend fibers and their products are discussed. Beneficiation of starch for the development of bio-based fibers can result in the sustainable replacement of oil-based high-value materials with cost-effective, environmentally friendly, and abundant products.
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Xu Y, Li N, Wang G, Wang C, Chu F. Synthesis of Lignin-Based MMA- co-BA Hybrid Resins from Cornstalk Residue via RAFT Miniemulsion Polymerization and Their Characteristics. Polymers (Basel) 2021; 13:968. [PMID: 33809938 PMCID: PMC8004192 DOI: 10.3390/polym13060968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/01/2021] [Accepted: 03/17/2021] [Indexed: 11/16/2022] Open
Abstract
The conversion of cornstalk lignin derived from the co-product of bio-refinery into value-added products such as polymeric material has remarkable environmental and economic potential. A novel bio-based methyl methacrylate copolymerized with butyl acrylate (MMA-co-BA) hybrid resin in our research was prepared by the reversible addition-fragmentation chain transfer method using lignin-graft-polyacrylamide (lignin-g-PAM) as a bio-derived macromolecular chain transfer agent. The molecular architecture of lignin-g-PAM and the lignin-based MMA-co-BA hybrid resin was elucidated using 1H nuclear magnetic resonance and attenuated total reflectance-Fourier transform infrared. The thermal behavior and mechanical performance of the resultant lignin-based MMA-co-BA hybrid resins were also investigated through thermogravimetric analysis, differential scanning calorimetry, and a stress-strain test, respectively. The lignin-based acrylate resins system exhibited structure-related thermal and mechanical properties. Compared with pure MMA-co-BA resin, the incorporation of lignin into various lignin-based MMA-co-BA graft copolymers resulted in an improved tensile strength and a higher Young's modulus. This research could provide not only a new avenue to utilize waste biomass for high-value applications, but also a reference for designing new materials for coatings or adhesives.
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Affiliation(s)
- Yuzhi Xu
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China; (N.L.); (G.W.)
- Research Institute of Forestry New Technology, Chinese Academy of Forestry, Beijing 100091, China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
| | - Ning Li
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China; (N.L.); (G.W.)
| | - Guangbin Wang
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China; (N.L.); (G.W.)
| | - Chunpeng Wang
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China; (N.L.); (G.W.)
- Research Institute of Forestry New Technology, Chinese Academy of Forestry, Beijing 100091, China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
| | - Fuxiang Chu
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, China; (N.L.); (G.W.)
- Research Institute of Forestry New Technology, Chinese Academy of Forestry, Beijing 100091, China
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
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Abid U, Gill YQ, Irfan MS, Umer R, Saeed F. Potential applications of polycarbohydrates, lignin, proteins, polyacids, and other renewable materials for the formulation of green elastomers. Int J Biol Macromol 2021; 181:1-29. [PMID: 33744249 DOI: 10.1016/j.ijbiomac.2021.03.057] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/24/2021] [Accepted: 03/10/2021] [Indexed: 12/18/2022]
Abstract
Renewable resources including polycarbohydrates, lignin, proteins, and polyacids are the intrinsically valuable class of materials that are naturally available in great quantities. Their utilization as green additives and reinforcing bio-fillers, in substitution of environmentally perilous petroleum-based fillers, for developing high-performance green rubber blends and composites is presently a highly tempting option. Blending of these renewable materials with elastomers is not straight-forward and research needs to exploit the high functionality of carbohydrates and other natural materials as proper physicochemical interactions are essential. Correlating and understanding the structural properties of lignin, carbohydrates, polyacids, and other biopolymers, before their incorporation in elastomers, is a potential approach towards the development of green elastomers for value-added applications. Promising properties i.e., biodegradability, biocompatibility, morphological characteristics, high mechanical properties, thermal stability, sustainability, and various other characteristics along with recent advancements in the development of green elastomers are reviewed in this paper. Structures, viability, interactions, properties, and use of most common natural polycarbohydrates (chitosan and starch), lignin, and proteins (collagen and gelatin) for elastomer modification are extensively reviewed. Challenges in commercialization, applications, and future perspectives of green elastomers are also discussed. Sustainability analysis of green elastomers is accomplished to elaborate their cost-effectiveness and environmental friendliness.
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Affiliation(s)
- Umer Abid
- Department of Polymer and Process Engineering, University of Engineering and Technology, G. T. Road, PO Box 54890, Lahore, Pakistan.
| | - Yasir Qayyum Gill
- Department of Polymer and Process Engineering, University of Engineering and Technology, G. T. Road, PO Box 54890, Lahore, Pakistan.
| | - Muhammad Shafiq Irfan
- Department of Polymer and Process Engineering, University of Engineering and Technology, G. T. Road, PO Box 54890, Lahore, Pakistan; Department of Aerospace Engineering, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, United Arab Emirates.
| | - Rehan Umer
- Department of Aerospace Engineering, Khalifa University of Science and Technology, PO Box 127788, Abu Dhabi, United Arab Emirates.
| | - Farhan Saeed
- Department of Polymer and Process Engineering, University of Engineering and Technology, G. T. Road, PO Box 54890, Lahore, Pakistan.
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Heredia S, Costa D, Choez I, Barragan A, Quijano MF, Cárdenas W, Manzano P, Reyes C, Sosa del Castillo D, Alvarez-Barreto JF. Porous Sponges from the Mesocarp of Theobroma Cacao L. Pod Shells for Potential Biomaterial Applications. BIONATURA 2021. [DOI: 10.21931/rb/2021.06.01.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Lignocellulosic materials have garnered significant attention in recent years to generate biomaterials, but nothing has been investigated with cacao residues of significant importance in Ecuador. This study's objective was to generate porous, three-dimensional sponges from cacao pod shell mesocarp with potential use in biomaterial application. Discs from the mesocarp of cacao pod shells were subjected to neutral, acid, and alkaline treatments, at 25oC and 100oC, followed by washing and lyophilization. Sponge composition was evaluated, with the alkaline treatment resulting in the highest cellulose content and the lowest percentage of lignin, with the removal of hemicellulose corroborated by FITR. The sponges presented high water absorption capacities, which increased with the treatment temperature; mainly, the alkaline generated structures had the largest capacity. The sponges' porosity also depended on the treatment, with the acid and alkaline treatments generating larger pores, which significantly grew with treatment temperature. Preliminary in vitro cytotoxicity tests were carried out using Wharton's jelly mesenchymal stem cells, according to ISO 10993.5.2009, with none of the materials being cytotoxic; however, those with greater lignin contents resulted in lower cell viability. In general, it is considered that the alkaline generated sponges presented the more significant potential for biomaterial applications, which could be further tested with In vitro cell proliferation and differentiation studies and possible in vivo assays.
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Affiliation(s)
- Sandra Heredia
- Escuela Superior Politecnica del Litoral, ESPOL. Centro de Investigaciones Biotecnologicas del Ecuador, CIBE. Guayaquil, Ecuador
| | - Diego Costa
- Laboratorio para Investigaciones Biomédicas, FCV, Escuela Superior Politécnica del Litoral. Guayaquil, Ecuador
| | - Iván Choez
- Escuela Superior Politecnica del Litoral, ESPOL. Centro de Investigaciones Biotecnologicas del Ecuador, CIBE. Guayaquil, Ecuador
| | - Ana Barragan
- Escuela Superior Politecnica del Litoral, ESPOL. Centro de Investigaciones Biotecnologicas del Ecuador, CIBE. Guayaquil, Ecuador
| | - María F. Quijano
- Escuela Superior Politecnica del Litoral, ESPOL. Centro de Investigaciones Biotecnologicas del Ecuador, CIBE. Guayaquil, Ecuador
| | - Washington Cárdenas
- Laboratorio para Investigaciones Biomédicas, FCV, Escuela Superior Politécnica del Litoral. Guayaquil, Ecuador
| | - Patricia Manzano
- Escuela Superior Politecnica del Litoral, ESPOL. Centro de Investigaciones Biotecnologicas del Ecuador, CIBE. Guayaquil, Ecuador
| | - Carol Reyes
- Biomaterials Laboratory. Institute for the Development of Alternative Energies and Materials, IDEMA. Department of Chemical Engineering. College of Sciences and Engineering. Universidad San Francisco de Quito. Quito, Ecuador
| | - Daynet Sosa del Castillo
- Escuela Superior Politecnica del Litoral, ESPOL. Centro de Investigaciones Biotecnologicas del Ecuador, CIBE. Guayaquil, Ecuador
| | - Jose F. Alvarez-Barreto
- Biomaterials Laboratory. Institute for the Development of Alternative Energies and Materials, IDEMA. Department of Chemical Engineering. College of Sciences and Engineering. Universidad San Francisco de Quito. Quito, Ecuador
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Polman EMN, Gruter GJM, Parsons JR, Tietema A. Comparison of the aerobic biodegradation of biopolymers and the corresponding bioplastics: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 753:141953. [PMID: 32896737 DOI: 10.1016/j.scitotenv.2020.141953] [Citation(s) in RCA: 95] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 08/21/2020] [Accepted: 08/22/2020] [Indexed: 06/11/2023]
Abstract
Biodegradable plastics made from biopolymers (made in nature) or from bio-based polymers (made in a factory) are becoming increasingly important in replacing the massive amounts of conventional, non-degradable fossil-based plastics that have been produced and disposed over the past decades. In this review we compare the biodegradation rates and mechanisms of the bioplastics thermoplastic starch, cellulose acetate and lignin based bioplastics with the biodegradation rates and mechanisms of starch, cellulose and lignin, which are the unmodified biopolymers from which these bioplastics are produced. With this comparison we aim to determine to what extent the extensive knowledge on unmodified biopolymer biodegradation can be applied to the biodegradation of bioplastics (modified biopolymers) in the terrestrial environment. This knowledge is important, since it can be of great help in giving direction to the future research and development of bioplastics and for the development of bioplastic waste assessments and policies. We found that the similarities and differences in biodegradation are dependent on the structural changes imposed on a biopolymer during the bioplastic production process. A change in higher level structure, as found in thermoplastic starch, only resulted in a limited number of differences in the biodegradation process. However, when the chemical structure of a polymer is changed, as for cellulose acetate, different microorganisms and enzymes are involved in the biodegradation. Based on the cellulose acetate biodegradation process, a conceptual model was proposed that can be used as a starting point in predicting biodegradation rates of other chemically modified biopolymers used as bioplastics. Future bioplastic biodegradation research should focus on conducting long-term field experiments, since most studies are conducted in a laboratory setting and do not capture all processes occurring in the field situation. This applies even more to lignin based bioplastics, since very little experimental data were available on modified lignin biopolymer biodegradation.
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Affiliation(s)
- Emma M N Polman
- Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, the Netherlands.
| | - Gert-Jan M Gruter
- Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, the Netherlands
| | - John R Parsons
- Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, the Netherlands
| | - Albert Tietema
- Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, the Netherlands
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