51
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Liao C, Xiao Y, Chen K, Li P, Wu Y, Li X, Zuo Y. Synergistic modification of polylactic acid by oxidized straw fibers and degradable elastomers: A green composite with good strength and toughness. Int J Biol Macromol 2022; 221:773-783. [PMID: 36096256 DOI: 10.1016/j.ijbiomac.2022.09.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/30/2022] [Accepted: 09/05/2022] [Indexed: 11/17/2022]
Abstract
Polylactic acid-based (PLA) composites are widely used in biomedicine, electrical components, food packaging and other fields, but their unsatisfactory mechanical properties such as high brittleness and poor toughness, cause problems in functional applications. This work developed a green and environmentally friendly strategy to improve PLA mechanical properties. Flexible polybutylene succinate (PBS) and alkaline hydrogen peroxide (AHP) treated straw fibers (SF) synergistically modified PLA. AHP is decomposed into a large amount of HOO-, which oxidizes the hydroxyl groups in SF to carboxyl groups to obtain oxidized straw fiber (OSF), which reacts with PLA in the molten state to form new ester bonds. The tensile strength of the OSF/PLA composite is 41.78 MPa, 38 % higher than the SF/PLA composite. The impact toughness of OSF/PBS/PLA composite is 14.47 KJ/m2 increased by 54 % after the adding PBS, while the tensile strength was also better than the control group. The synergistic action of PLA and PBS in OSF is attributed to the formation of new chemical bonds, efficient crystallization, and compatible interface. This study provides a new strategy to produce fiber-reinforced PLA composites with good toughness. It takes positive significance for developing degradable plastics with good performance and controllable cost.
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Affiliation(s)
- Chenggang Liao
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, PR China
| | - Yuanping Xiao
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, PR China
| | - Kang Chen
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, PR China
| | - Ping Li
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, PR China
| | - Yiqiang Wu
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, PR China
| | - Xingong Li
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, PR China
| | - Yingfeng Zuo
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, PR China.
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52
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Kunam PK, Ramakanth D, Akhila K, Gaikwad KK. Bio-based materials for barrier coatings on paper packaging. BIOMASS CONVERSION AND BIOREFINERY 2022:1-16. [PMID: 36090305 PMCID: PMC9439277 DOI: 10.1007/s13399-022-03241-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 08/16/2022] [Accepted: 08/19/2022] [Indexed: 05/03/2023]
Abstract
Research into alternative packaging materials is becoming more and more popular as a result of growing eco-friendly concerns regarding the usage of some petroleum-based polymeric packaging materials and coatings, as well as growing buyer demands for products with nutritious quality and extended shelf lives. Barrier coatings made of naturally renewable biopolymers can be applied to paper packing materials. These biopolymer coatings have the potential to replace the current synthetic paper and paperboard coatings, are strong oxygen and oil barriers, and may prevent the unintended moisture transfer in food goods. An appealing method of controlling the growth and spread of microorganisms in food packaging is the integration of antimicrobial compounds into coatings to create active/functional paper-based packaging materials. Here, in this review of the oxygen/moisture barrier, mechanical, and other characteristics of paper coated with bio-based materials. Examples are used to discuss the current and future uses of bio-based material coatings on paper packaging materials to improve barrier performance.
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Affiliation(s)
- Praveen Kumar Kunam
- Department of Paper Technology, Indian Institute of Technology Roorkee, 247667 Roorkee, India
| | - Dakuri Ramakanth
- Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, 247667 Roorkee, India
| | - Konala Akhila
- Department of Paper Technology, Indian Institute of Technology Roorkee, 247667 Roorkee, India
| | - Kirtiraj K. Gaikwad
- Department of Paper Technology, Indian Institute of Technology Roorkee, 247667 Roorkee, India
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53
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Biodegradable binary blends of poly (butylene succinate) or poly (ε-caprolactone) with poly (butylene succinate-ran-ε-caprolactone)copolymers: Crystallization behavior. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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54
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Barletta M, Aversa C, Ayyoob M, Gisario A, Hamad K, Mehrpouya M, Vahabi H. Poly(butylene succinate) (PBS): Materials, processing, and industrial applications. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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55
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Li Y, Wang X, Wang Y, Sun Y, Xia S, Zhao J. Effect of biofilm colonization on Pb(II) adsorption onto poly(butylene succinate) microplastic during its biodegradation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 833:155251. [PMID: 35429565 DOI: 10.1016/j.scitotenv.2022.155251] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/06/2022] [Accepted: 04/09/2022] [Indexed: 06/14/2023]
Abstract
Few studies have mentioned the enrichment of heavy metal pollutants on microplastics derived from degradable plastics. This study investigated the adsorption behavior of Pb(II) onto biodegradable poly(butylene succinate) (PBS) microplastics during its biodegradation. The results indicated that Pb(II) adsorbed by biofilm-colonized biodegraded-PBS microplastics (B-PBS) was about 10-folds higher than that of virgin PBS (647.09 μg·g-1 versus 64.13 μg·g-1) due to the biofilm colonization and the degradation of PBS. After removing the biofilm, the biodegraded PBS still had high Pb(II) adsorption capacity, which was attributed to the complexation of Pb(II) and the stably adhered extracellular polymeric substances (EPS). Pb(II) adsorption onto both virgin PBS and B-PBS was highly pH-dependent, its adsorption on virgin PBS was dominated by electrostatic interaction, while as for B-PBS, the adsorption mechanisms mainly involved the coordination/complexation of Pb(II) and the EPS components on the colonized biofilm, surface complexation, and electrostatic interaction. This study suggested that the enrichment of heavy metal pollutants onto the biodegradable microplastics may pose risks to the aquatic ecosystem.
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Affiliation(s)
- Yuan Li
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China
| | - Xuejiang Wang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China.
| | - Yuan Wang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China
| | - Ying Sun
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China
| | - Siqing Xia
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China
| | - Jianfu Zhao
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China.
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56
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Lee HJ, Cho WY, Lee HC, Seo YH, Baek JW, Lee PC, Lee BY. Rapid Biodegradable Ionic Aggregates of Polyesters Constructed with Fertilizer Ingredients. J Am Chem Soc 2022; 144:15911-15915. [PMID: 35938930 DOI: 10.1021/jacs.2c05258] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Synthetic biodegradable polyesters tend to undergo slow biodegradation under ambient natural conditions and, hence, have been rejected or even banned recently in ecofriendly applications. Here, we demonstrate the preparation of polyesters exhibiting enhanced biodegradability, which were generated through a combination of old controversial macromolecules and aggregate theories. H3PO4-catalyzed diacid/diol polycondensation afforded polyester chains bearing chain-end -CH2OP(O)(OH)2 and inner-chain (-CH2O)2P(O)(OH) groups, which were subsequently treated with M(2-ethylhexanoate)2 (M = Zn, Mg, Mn, and Ca) to form ionic aggregates of polyesters. The prepared ionic aggregates of polyesters, which were constructed with fertilizer ingredients (such as M2+ and phosphate), exhibit much faster biodegradability than that of the conventional polyesters under controlled soil conditions at 25 °C, while displaying comparable or superior rheological and mechanical properties.
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Affiliation(s)
- Hyun Ju Lee
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, South Korea
| | - Woo Yeon Cho
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, South Korea
| | - Hong Cheol Lee
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, South Korea
| | - Yeong Hyun Seo
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, South Korea
| | - Jun Won Baek
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, South Korea
| | - Pyung Cheon Lee
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, South Korea
| | - Bun Yeoul Lee
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, South Korea
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57
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Morphology and crystallization behaviour of polyhydroxyalkanoates-based blends and composites: A review. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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58
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Capecchi E, Tomaino E, Piccinino D, Kidibule PE, Fernández-Lobato M, Spinelli D, Pogni R, Cabado AG, Lago J, Saladino R. Nanoparticles of Lignins and Saccharides from Fishery Wastes as Sustainable UV-Shielding, Antioxidant, and Antimicrobial Biofillers. Biomacromolecules 2022; 23:3154-3164. [PMID: 35877659 DOI: 10.1021/acs.biomac.2c00236] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Lignin nanoparticles containing saccharides from fishery wastes were prepared as sustainable biofillers for advanced materials. Organosolv lignin and Kraft lignin were used as polyphenol components in association with chitosan and chitooligosaccharides. The chemophysical and biological activities of lignin/saccharide nanoparticles, such as UV-shielding, antioxidant, and antimicrobial activities, were found to be dependent on both molecular weight and deacetylation degree of saccharides, with the best performance being obtained in the presence of low-molecular-weight and highly deacetylated chitooligosaccharides. In addition, chitooligosaccharides showed a synergistic antioxidant effect with lignins, associated with antimicrobial activity against Escherichia coli (Gram-negative) and Staphylococcus aureus (Gram-positive).
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Affiliation(s)
- Eliana Capecchi
- Department of Ecology and Biology, University of Tuscia, 01100 Viterbo, Italy
| | - Elisabetta Tomaino
- Department of Ecology and Biology, University of Tuscia, 01100 Viterbo, Italy
| | - Davide Piccinino
- Department of Ecology and Biology, University of Tuscia, 01100 Viterbo, Italy
| | - Peter Elias Kidibule
- Department of Molecular Biology, Centre for Molecular Biology Severo Ochoa (CSIC-UAM), University Autonomous from Madrid, Nicolás Cabrera, 1, Madrid 28049, Spain
| | - Maria Fernández-Lobato
- Department of Molecular Biology, Centre for Molecular Biology Severo Ochoa (CSIC-UAM), University Autonomous from Madrid, Nicolás Cabrera, 1, Madrid 28049, Spain
| | - Daniele Spinelli
- Next Technology Tecnotessile, Via del Gelso 13, 59100 Prato, Italy
| | - Rebecca Pogni
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy
| | - Ana Garcia Cabado
- Biotechnology and Health ANFACO-CECOPESCA, Ctra. Colexio Universitario, 16, 36310 Vigo, Spain
| | - Jorge Lago
- Biotechnology and Health ANFACO-CECOPESCA, Ctra. Colexio Universitario, 16, 36310 Vigo, Spain
| | - Raffaele Saladino
- Department of Ecology and Biology, University of Tuscia, 01100 Viterbo, Italy
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59
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Effect of Temperature and Humidity on the Water and Dioxygen Transport Properties of Polybutylene Succinate/Graphene Nanoplatelets Nanocomposite Films. MEMBRANES 2022; 12:membranes12070721. [PMID: 35877924 PMCID: PMC9316474 DOI: 10.3390/membranes12070721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/09/2022] [Accepted: 07/18/2022] [Indexed: 02/04/2023]
Abstract
Nanocomposite films of polybutylene succinate (PBS)/graphene nanoplatelets (GnP) with a GnP content ranging from 0 to 1.35 wt.% were prepared by melt processing. The morphology of both the neat PBS and PBS/GnP nanocomposites were investigated and revealed no significant impact of GnP on the crystalline microstructure. Moisture sorption at 10 °C, 25 °C, and 40 °C were analyzed and modeled using the Guggenheim, Andersen, and De Boer (GAB) equation and Zimm-Lundberg theory, allowing for a phenomenological analysis at the molecular scale. An understanding of the transport sorption properties was proposed by the determination of the molar heat of sorption (ΔHs), and the activation energy of the diffusion (Ed) of water in the matrix since both solubility and diffusion are thermo-activable properties. Both ΔHs and Ed showed a good correlation with the water clustering theory at high water activity. Water and dioxygen permeabilities (PH2O and PO2) were determined as a function of temperature and water activity. PH2O and PO2 decreased with the addition of a small amount of GnP, regardless of the studied temperature. Moreover, the evolution of PH2O as a function of water activity was driven by the solubility process, whereas at a given water activity, PH2O was driven by the diffusion process. Activation energies of the permeability (Ep) of water and dioxygen showed a dependency on the nature of the permeant molecule. Finally, from the ΔHs, Ed, and Ep obtained values, the reduction in water permeability with the addition of a low content of GnP was attributed mainly to a tortuosity effect without diffusive interfaces rather than a significant change in the transport property mechanism.
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60
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Biobased Poly(ethylene succinate)-b-poly(triethylene terephthalate) multiblock copolyesters with high melting temperature and improved crystallization rate and mechanical property. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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61
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Characterizing Mechanical, Heat Seal, and Gas Barrier Performance of Biodegradable Films to Determine Food Packaging Applications. Polymers (Basel) 2022; 14:polym14132569. [PMID: 35808615 PMCID: PMC9268911 DOI: 10.3390/polym14132569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 12/02/2022] Open
Abstract
In an organic circular economy, biodegradable materials can be used as food packaging, and at end-of-life their carbon atoms can be recovered for soil enrichment after composting, so that new food or materials can be produced. Packaging functionality, such as mechanical, gas barrier, and heat-seal performance, of emerging biodegradable packaging, with a laminated, coated, monomaterial, and/or blended structure, is not yet well known in the food industry. This lack of knowledge, in addition to end-of-life concerns, high cost, and production limits is one of the main bottlenecks for broad implementation in the food industry. This study determines application areas of 10 films with a pragmatic approach based on an experimental broad characterization of packaging functionality. As a conclusion, the potential application of these materials is discussed with respect to industrial settings and food and consumer requirements, to support the implementation of commercially available, biodegradable, and, more specifically, compostable, materials for the identified food applications.
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62
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Li J, Qiu Z. Fully biodegradable Poly(butylene succinate-co-1,2-decylene succinate)/Cellulose nanocrystals composites with significantly enhanced crystallization and mechanical property*. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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63
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Stepanova M, Korzhikova-Vlakh E. Modification of Cellulose Micro- and Nanomaterials to Improve Properties of Aliphatic Polyesters/Cellulose Composites: A Review. Polymers (Basel) 2022; 14:polym14071477. [PMID: 35406349 PMCID: PMC9003142 DOI: 10.3390/polym14071477] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/25/2022] [Accepted: 03/31/2022] [Indexed: 02/07/2023] Open
Abstract
Aliphatic polyesters/cellulose composites have attracted a lot attention due to the perspectives of their application in biomedicine and the production of disposable materials, food packaging, etc. Both aliphatic polyesters and cellulose are biocompatible and biodegradable polymers, which makes them highly promising for the production of “green” composite materials. However, the main challenge in obtaining composites with favorable properties is the poor compatibility of these polymers. Unlike cellulose, which is very hydrophilic, aliphatic polyesters exhibit strong hydrophobic properties. In recent times, the modification of cellulose micro- and nanomaterials is widely considered as a tool to enhance interfacial biocompatibility with aliphatic polyesters and, consequently, improve the properties of composites. This review summarizes the main types and properties of cellulose micro- and nanomaterials as well as aliphatic polyesters used to produce composites with cellulose. In addition, the methods for noncovalent and covalent modification of cellulose materials with small molecules, polymers and nanoparticles have been comprehensively overviewed and discussed. Composite fabrication techniques, as well as the effect of cellulose modification on the mechanical and thermal properties, rate of degradation, and biological compatibility have been also analyzed.
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64
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Peñas MI, Pérez-Camargo RA, Hernández R, Müller AJ. A Review on Current Strategies for the Modulation of Thermomechanical, Barrier, and Biodegradation Properties of Poly (Butylene Succinate) (PBS) and Its Random Copolymers. Polymers (Basel) 2022; 14:polym14051025. [PMID: 35267848 PMCID: PMC8914744 DOI: 10.3390/polym14051025] [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: 01/31/2022] [Revised: 02/23/2022] [Accepted: 03/01/2022] [Indexed: 02/01/2023] Open
Abstract
The impact of plastics on the environment can be mitigated by employing biobased and/or biodegradable materials (i.e., bioplastics) instead of the traditional “commodities”. In this context, poly (butylene succinate) (PBS) emerges as one of the most promising alternatives due to its good mechanical, thermal, and barrier properties, making it suitable for use in a wide range of applications. Still, the PBS has some drawbacks, such as its high crystallinity, which must be overcome to position it as a real and viable alternative to “commodities”. This contribution covers the actual state-of-the-art of the PBS through different sections. The first section reviews the different synthesis routes, providing a complete picture regarding the obtained molecular weights and the greener alternatives. Afterward, we examine how different strategies such as random copolymerization and the incorporation of fillers can effectively modulate PBS properties to satisfy the needs for different applications. The impact of these strategies is evaluated in the crystallization behavior, crystallinity, mechanical and barrier properties, and biodegradation. The biodegradation is carefully analyzed, highlighting the wide variety of methodologies existing in the literature to measure PBS degradation through different routes (hydrolytic, enzymatic, and soil).
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Affiliation(s)
- Mario Iván Peñas
- Institute of Polymer Science and Technology ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain;
- POLYMAT and Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Spain
| | - Ricardo Arpad Pérez-Camargo
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
| | - Rebeca Hernández
- Institute of Polymer Science and Technology ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain;
- Correspondence: (R.H.); (A.J.M.)
| | - Alejandro J. Müller
- POLYMAT and Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Spain
- Ikerbasque, Basque Foundation for Science, Plaza Euskadi 5, 48009 Bilbao, Spain
- Correspondence: (R.H.); (A.J.M.)
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65
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Aliotta L, Seggiani M, Lazzeri A, Gigante V, Cinelli P. A Brief Review of Poly (Butylene Succinate) (PBS) and Its Main Copolymers: Synthesis, Blends, Composites, Biodegradability, and Applications. Polymers (Basel) 2022; 14:polym14040844. [PMID: 35215757 PMCID: PMC8963078 DOI: 10.3390/polym14040844] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/15/2022] [Accepted: 02/17/2022] [Indexed: 02/06/2023] Open
Abstract
PBS, an acronym for poly (butylene succinate), is an aliphatic polyester that is attracting increasing attention due to the possibility of bio-based production, as well as its balanced properties, enhanced processability, and excellent biodegradability. This brief review has the aim to provide the status concerning the synthesis, production, thermal, morphological and mechanical properties underlying biodegradation ability, and major applications of PBS and its principal copolymers.
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Affiliation(s)
- Laura Aliotta
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (L.A.); (M.S.); (A.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 50121 Florence, Italy
| | - Maurizia Seggiani
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (L.A.); (M.S.); (A.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 50121 Florence, Italy
| | - Andrea Lazzeri
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (L.A.); (M.S.); (A.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 50121 Florence, Italy
| | - Vito Gigante
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (L.A.); (M.S.); (A.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 50121 Florence, Italy
- Correspondence: (V.G.); (P.C.)
| | - Patrizia Cinelli
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (L.A.); (M.S.); (A.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 50121 Florence, Italy
- Correspondence: (V.G.); (P.C.)
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66
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Effect of Low-Pressure Plasma Treatment on the Surface Wettability of Poly(Butylene Succinate) Films. COATINGS 2022. [DOI: 10.3390/coatings12020220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Poly(butylene succinate) (PBS) films were processed by radio frequency (RF; 13.56 MHz), low-pressure oxygen, and argon/oxygen plasma, in addition to oxygen plasma with argon post-crosslinking plasma to improve their wettability property. Specimens were treated at different times with fixed power processing of 100 W (0.3 W/cm2) and a fixed pressure of 10 Pa. A significant change in hydrophilicity evaluated by the water contact angle was observed. The contact angle of a water drop decreased from 80° for the untreated sample to values lower than 5° for plasma-treated samples. The effect of ageing on the wettability of PBS substrates was also examined, showing a more pronounced trend in the first 4 h and reaching a plateau in the following days. However, partial surface hydrophilicity was maintained for up to 15 days. A practical application of the surface functionalization produced by plasma was obtained via the deposition of SiOx onto PBS surfaces; the study of films’ oxygen permeability demonstrated that the plasma pre-treatment increased the adhesion between PBS and SiOx, resulting in significantly improved oxygen barrier properties. In order to evaluate the morphology and roughness modification caused by plasma exposure, atomic force microscopy characterization was carried out. Chemical information about treated surfaces, such as an increase in oxygen functional groups during plasma exposure, was measured by Fourier-transform infrared spectroscopy and X-ray photoelectron spectroscopy. Finally, the effects of plasma on crystallinity were investigated by X-ray diffraction.
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67
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Martwong E, Tran Y, Natsrita N, Kaewpang C, Kongsuk K, Nakaramontri Y, Sukhawipat N. A Potential of New Untreated Bio-Reinforcement from Caesalpinia sappan L. Wood Fiber for Polybutylene Succinate Composite Film. Polymers (Basel) 2022; 14:polym14030499. [PMID: 35160488 PMCID: PMC8838579 DOI: 10.3390/polym14030499] [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: 01/06/2022] [Revised: 01/24/2022] [Accepted: 01/24/2022] [Indexed: 11/16/2022] Open
Abstract
Natural cellulose-based Caesalpinia sappan L. wood fiber (CSWF) has been demonstrated to have significant promise as a new untreated bio-reinforcement of the polybutylene succinate (PBS) composite film. The morphology, mechanical characteristics, and biodegradation were investigated. The morphology, the fiber distribution, and the fiber aggregation has been discussed. The properties of the composite have been improved by the addition of CSWF from 5 phr to 10 phr, while with the addition of 15 phr, the properties were dropped. The result showed that CSWF could be used as a new reinforcement without any treatment, and 10 phr of CSWF was the best formulation of a new biocomposite film. The PBS/CSWF10 composite film had the highest mechanical strength, with a tensile strength of 12.21 N/mm2 and an elongation at break of 21.01%, respectively. It was completely degraded by soil bury in three months. Therefore, the PBS/CSWF10 composite film has the potential to be a green with a promising short-term degradation.
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Affiliation(s)
- Ekkachai Martwong
- Division of Science, Faculty of Science and Technology, Rajamangala University of Technology Suvarnabhumi, Phra Nakhon Si Ayutthaya 13000, Thailand
| | - Yvette Tran
- Soft Matter Sciences and Engineering, ESPCI Paris, PSL University, CNRS, F-75005 Paris, France
| | - Nattawadee Natsrita
- Division of Polymer Engineering Technology, Department of Mechanical Engineering Technology, College of Industrial Technology, King Mongkut's University of Technology North Bangkok, Bangkok 10800, Thailand
| | - Chaithip Kaewpang
- Division of Polymer Engineering Technology, Department of Mechanical Engineering Technology, College of Industrial Technology, King Mongkut's University of Technology North Bangkok, Bangkok 10800, Thailand
| | - Kittisak Kongsuk
- Division of Polymer Engineering Technology, Department of Mechanical Engineering Technology, College of Industrial Technology, King Mongkut's University of Technology North Bangkok, Bangkok 10800, Thailand
| | - Yeampon Nakaramontri
- Sustainable Polymer & Innovative Composite Materials Research Group, Department of Chemistry, Faculty of Science, King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand
| | - Nathapong Sukhawipat
- Division of Polymer Engineering Technology, Department of Mechanical Engineering Technology, College of Industrial Technology, King Mongkut's University of Technology North Bangkok, Bangkok 10800, Thailand
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Starkova O, Platnieks O, Sabalina A, Gaidukovs S. Hydrothermal Ageing Effect on Reinforcement Efficiency of Nanofibrillated Cellulose/Biobased Poly(butylene succinate) Composites. Polymers (Basel) 2022; 14:221. [PMID: 35054628 PMCID: PMC8780645 DOI: 10.3390/polym14020221] [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: 11/13/2021] [Revised: 12/30/2021] [Accepted: 01/04/2022] [Indexed: 11/26/2022] Open
Abstract
Nanofibrillated cellulose (NFC) is a sustainable functional nanomaterial known for its high strength, stiffness, and biocompatibility. It has become a key building block for the next-generation of lightweight, advanced materials for applications such as consumer products, biomedical, energy storage, coatings, construction, and automotive. Tunable and predictable durability under environmental impact is required for high performance applications. Bio-based poly (butylene succinate) (PBS) composites containing up to 50% NFC content were designed and aged in distilled water or at high relative humidity (RH98%). PBS/NFC composites are characterized by up to 10-fold increased water absorption capacity and diffusivity and the data are correlated with model calculations. Aged samples exhibited decreased crystallinity and melting temperature. Incorporation of NFC into PBS showed up to a 2.6-fold enhancement of the elastic modulus, although accompanied by a loss of strength by 40% and 8-fold reduction in the strain at failure of maximally loaded composites. Hydrothermal ageing had almost no influence on the tensile characteristics of PBS; however, there were considerable degradation effects in PBS/NFC composites. Altered reinforcement efficiency is manifested through a 3.7-fold decreased effective elastic moduli of NFC determined by applying the Halpin-Tsai model and a proportional reduction of the storage moduli of composites. The adhesion efficiency in composites was reduced by hydrothermal ageing, as measured Puckanszky's adhesion parameter for the strength, which decreased from 3 to 0.8. For the loss factor, Kubat's adhesion parameter was increased by an order. PBS filled with 20 wt.% NFC is identified as the most efficient composition, for which negative environmental degradation effects are counterbalanced with the positive reinforcement effect. The PBS matrix can be used to protect the NFC network from water.
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Affiliation(s)
- Olesja Starkova
- Institute for Mechanics of Materials, University of Latvia, Jelgavas 3, LV-1004 Riga, Latvia;
| | - Oskars Platnieks
- Faculty of Materials Science and Applied Chemistry, Institute of Polymer Materials, Riga Technical University, P. Valdena 3/7, LV-1048 Riga, Latvia; (O.P.); (S.G.)
| | - Alisa Sabalina
- Institute for Mechanics of Materials, University of Latvia, Jelgavas 3, LV-1004 Riga, Latvia;
| | - Sergejs Gaidukovs
- Faculty of Materials Science and Applied Chemistry, Institute of Polymer Materials, Riga Technical University, P. Valdena 3/7, LV-1048 Riga, Latvia; (O.P.); (S.G.)
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69
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K S S, Ravji Paghadar B, Kumar SP, R L J. Polybutylene Succinate, A potential bio-degradable polymer: Synthesis, copolymerization And Bio-degradation. Polym Chem 2022. [DOI: 10.1039/d2py00204c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Poly(butylene succinate) is one of the emerging bio-degradable polymer, which has huge potential to be employed in a wide range of applications. Further, it is also recognized as one of...
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70
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Ono H, Minamikawa H, Nemoto K, Yoshida M. Self-assembly and amphiphilic behavior of poly(ester)-block-poly(amide) diblock copolymer based on biodegradable poly(butylene succinate) and poly(2-pyrrolidone). Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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71
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Thakur S, Chaudhary J, Singh P, Alsanie WF, Grammatikos SA, Thakur VK. Synthesis of Bio-based monomers and polymers using microbes for a sustainable bioeconomy. BIORESOURCE TECHNOLOGY 2022; 344:126156. [PMID: 34695587 DOI: 10.1016/j.biortech.2021.126156] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/12/2021] [Accepted: 10/14/2021] [Indexed: 06/13/2023]
Abstract
As a result of environmental concerns and the depletion of biomass assets, eco-friendly, renewable biomass-based chemical extraction has recently received significant attention. Bio-based chemicals can be prepared using different renewable feedstockbio-resources through microbial fermentation. Chemicals produced from renewable feedstockscan reduce ecological consequences from improper disposal and repurpose them into valuable products. Biodegradability, biocompatibility and non-toxicity, particularly in biomedical applications, have inspired researchers towards developing novel technologies that have social benefit. Among semi-synthetic and synthetic polymeric materials, utilization of natural bio-based monomeric materials can provide opportunities for sustainable development of novel non-toxic, biodegradable and biocompatible products. The purpose of this work is to give a summary of research into the generation of natural bio-based succinic acid (SA) monomer, the development of poly(butylene succinate) (PBS) as biodegradable polymer, PBS-based nanocomposites and their innovative uses.
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Affiliation(s)
- Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland; School of Advanced Chemical Sciences, Shoolini University, Solan 173229, Himachal Pradesh, India
| | - Jyoti Chaudhary
- School of Advanced Chemical Sciences, Shoolini University, Solan 173229, Himachal Pradesh, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan 173229, Himachal Pradesh, India
| | - Walaa F Alsanie
- Department of Clinical Laboratories Sciences, The Faculty of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Sotirios A Grammatikos
- ASEMlab - Advanced and Sustainable Engineering Materials Laboratory, Department of Manufacturing and Civil Engineering, Norwegian University of Science and Technology, Gjøvik 2815, Norway
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, SRUC, Edinburgh EH9 3JG, UK; Department of Mechanical Engineering, School of Engineering, Shiv Nadar University, Uttar Pradesh 201314, India; School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun 248007, India.
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72
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Zeinali R, del Valle LJ, Franco L, Yousef I, Rintjema J, Alemán C, Bravo F, Kleij AW, Puiggalí J. Biobased Terpene Derivatives: Stiff and Biocompatible Compounds to Tune Biodegradability and Properties of Poly(butylene succinate). Polymers (Basel) 2021; 14:polym14010161. [PMID: 35012183 PMCID: PMC8747377 DOI: 10.3390/polym14010161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 12/24/2022] Open
Abstract
Different copolymers incorporating terpene oxide units (e.g., limonene oxide) have been evaluated considering thermal properties, degradability, and biocompatibility. Thus, polycarbonates and polyesters derived from aromatic, monocyclic and bicyclic anhydrides have been considered. Furthermore, ring substitution with myrcene terpene has been evaluated. All polymers were amorphous when evaluated directly from synthesis. However, spherulites could be observed after the slow evaporation of diluted chloroform solutions of polylimonene carbonate, with all isopropene units possessing an R configuration. This feature was surprising considering the reported information that suggested only the racemic polymer was able to crystallize. All polymers were thermally stable and showed a dependence of the maximum degradation rate temperature (from 242 °C to 342 °C) with the type of terpene oxide. The graduation of glass transition temperatures (from 44 °C to 172 °C) was also observed, being higher than those corresponding to the unsubstituted polymers. The chain stiffness of the studied polymers hindered both hydrolytic and enzymatic degradation while a higher rate was detected when an oxidative medium was assayed (e.g., weight losses around 12% after 21 days of exposure). All samples were biocompatible according to the adhesion and proliferation tests performed with fibroblast cells. Hydrophobic and mechanically consistent films (i.e., contact angles between 90° and 110°) were obtained after the evaporation of chloroform from the solutions, having different ratios of the studied biobased polyterpenes and poly(butylene succinate) (PBS). The blend films were comparable in tensile modulus and tensile strength with the pure PBS (e.g., values of 330 MPa and 7 MPa were determined for samples incorporating 30 wt.% of poly(PA-LO), the copolyester derived from limonene oxide and phthalic anhydride. Blends were degradable, biocompatible and appropriate to produce oriented-pore and random-pore scaffolds via a thermally-induced phase separation (TIPS) method and using 1,4-dioxane as solvent. The best results were attained with the blend composed of 70 wt.% PBS and 30 wt.% poly(PA-LO). In summary, the studied biobased terpene derivatives showed promising properties to be used in a blended form for biomedical applications such as scaffolds for tissue engineering.
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Affiliation(s)
- Reza Zeinali
- Departament d’Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, 08019 Barcelona, Spain; (R.Z.); (L.F.); (C.A.)
| | - Luis J. del Valle
- Departament d’Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, 08019 Barcelona, Spain; (R.Z.); (L.F.); (C.A.)
- Center for Research in Nano-Engineering, CrNE, Universitat Politècnica de Catalunya, C. Eduard Maristany, 08019 Barcelona, Spain
- Correspondence: (L.J.d.V.); (J.P.)
| | - Lourdes Franco
- Departament d’Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, 08019 Barcelona, Spain; (R.Z.); (L.F.); (C.A.)
- Center for Research in Nano-Engineering, CrNE, Universitat Politècnica de Catalunya, C. Eduard Maristany, 08019 Barcelona, Spain
| | - Ibraheem Yousef
- ALBA Synchrotron Light Source, Carrer de la Llum, 2-26, Cerdanyola del Vallès, 08290 Barcelona, Spain;
| | - Jeroen Rintjema
- ICREA—Catalan Institution for Research and Advanced Studies, 08010 Barcelona, Spain;
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, 43007 Tarragona, Spain; (F.B.); (A.W.K.)
| | - Carlos Alemán
- Departament d’Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, 08019 Barcelona, Spain; (R.Z.); (L.F.); (C.A.)
- Center for Research in Nano-Engineering, CrNE, Universitat Politècnica de Catalunya, C. Eduard Maristany, 08019 Barcelona, Spain
- Institute for Bioengineering of Catalonia, Baldiri Reixac 10-12, 08028 Barcelona, Spain
| | - Fernando Bravo
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, 43007 Tarragona, Spain; (F.B.); (A.W.K.)
| | - Arjan W. Kleij
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, 43007 Tarragona, Spain; (F.B.); (A.W.K.)
| | - Jordi Puiggalí
- Departament d’Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, 08019 Barcelona, Spain; (R.Z.); (L.F.); (C.A.)
- Center for Research in Nano-Engineering, CrNE, Universitat Politècnica de Catalunya, C. Eduard Maristany, 08019 Barcelona, Spain
- Institute for Bioengineering of Catalonia, Baldiri Reixac 10-12, 08028 Barcelona, Spain
- Correspondence: (L.J.d.V.); (J.P.)
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Tadda MA, Gouda M, Lin X, Shitu A, Abdullahi HS, Zhu S, Li X, Liu D. Impacts of Baobab (Adansonia digitata) Powder on the Poly(Butylene Succinate) Polymer Degradability to Form an Eco-Friendly Filler-Based Composite. FRONTIERS IN MATERIALS 2021; 8. [DOI: 10.3389/fmats.2021.768960] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Poly (butylene succinate) (PBS) is one of the most common biodegradable plastic polymers that has recently been used in the green environmental field. Enhancement of physicochemical characteristics of these polymers by using plant-based materials like Baobab (Adansonia digitata) will improve its industrial application. This study evaluated Baobab (Adansonia digitata) powder (BP) and PBS composites under various ratios (PBS/BP: 90/10, 80/20, 70/30, 60/40, and 50/50 wt%) for their thermo-mechanical and other physicochemical properties for the industrial application. The nanoscale morphological and elemental characterization were also measured by scanning electron microscope-dispersive X-ray spectroscopy (SEM-EDS). The results revealed that PBS/BP blends of 90/10 and 50/50 showed a significantly reduced melting temperature (Tm) up to 94°C (p < 0.05) compared to PBS (114°C). Also, the dynamic viscosity, storage modulus, and loss modulus showed a significant decrease with increasing the ratio of BP in PBS/BP composite, which confirmed faster degradation than the pure PBS. In conclusion, the novel PBS/BP biomaterial is recommended for use as a carbon source for denitrification processes, as an eco-friendly faster degradable natural filler-based polymer. Besides, they could be use in food packaging and biomedical industries.
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74
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Analysis of Selected Properties of Injection Moulded Sustainable Biocomposites from Poly(butylene succinate) and Wheat Bran. MATERIALS 2021; 14:ma14227049. [PMID: 34832449 PMCID: PMC8623204 DOI: 10.3390/ma14227049] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/12/2021] [Accepted: 11/18/2021] [Indexed: 12/23/2022]
Abstract
The paper presents a procedure of the manufacturing and complex analysis of the properties of injection mouldings made of polymeric composites based on the poly(butylene succinate) (PBS) matrix with the addition of a natural filler in the form of wheat bran (WB). The scope of the research included measurements of processing shrinkage and density, analysis of the chemical structure, measurements of the thermal and thermo-mechanical properties (Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TG), Heat Deflection Temperature (HDT), and Vicat Softening Temperature (VST)), and measurements of the mechanical properties (hardness, impact strength, and static tensile test). The measurements were performed using design of experiment (DOE) methods, which made it possible to determine the investigated relationships in the form of polynomials and response surfaces. The mass content of the filler and the extruder screw speed during the production of the biocomposite granulate, which was used for the injection moulding of the test samples, constituted the variable factors adopted in the DOE. The study showed significant differences in the processing, thermal, and mechanical properties studied for individual systems of the DOE.
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75
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Disposable Food Packaging and Serving Materials-Trends and Biodegradability. Polymers (Basel) 2021; 13:polym13203606. [PMID: 34685364 PMCID: PMC8537343 DOI: 10.3390/polym13203606] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/11/2021] [Accepted: 10/14/2021] [Indexed: 12/24/2022] Open
Abstract
Food is an integral part of everyone’s life. Disposable food serving utensils and tableware are a very convenient solution, especially when the possibility of the use of traditional dishes and cutlery is limited (e.g., takeaway meals). As a result, a whole range of products is available on the market: plates, trays, spoons, forks, knives, cups, straws, and more. Both the form of the product (adapted to the distribution and sales system) as well as its ecological aspect (biodegradability and life cycle) should be of interest to producers and consumers, especially considering the clearly growing trend of “eco-awareness”. This is particularly important in the case of single-use products. The aim of the study was to present the current trends regarding disposable utensils intended for contact with food in the context of their biodegradability. This paper has summarized not only conventional polymers but also their modern alternatives gaining the attention of manufacturers and consumers of single-use products (SUPs).
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76
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Glaskova-Kuzmina T, Starkova O, Gaidukovs S, Platnieks O, Gaidukova G. Durability of Biodegradable Polymer Nanocomposites. Polymers (Basel) 2021; 13:3375. [PMID: 34641189 PMCID: PMC8512741 DOI: 10.3390/polym13193375] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 11/23/2022] Open
Abstract
Biodegradable polymers (BP) are often regarded as the materials of the future, which address the rising environmental concerns. The advancement of biorefineries and sustainable technologies has yielded various BP with excellent properties comparable to commodity plastics. Water resistance, high dimensional stability, processability and excellent physicochemical properties limit the reviewed materials to biodegradable polyesters and modified compositions of starch and cellulose, both known for their abundance and relatively low price. The addition of different nanofillers and preparation of polymer nanocomposites can effectively improve BP with controlled functional properties and change the rate of degradation. The lack of data on the durability of biodegradable polymer nanocomposites (BPN) has been the motivation for the current review that summarizes recent literature data on environmental ageing of BPN and the role of nanofillers, their basic engineering properties and potential applications. Various durability tests discussed thermal ageing, photo-oxidative ageing, water absorption, hygrothermal ageing and creep testing. It was discussed that incorporating nanofillers into BP could attenuate the loss of mechanical properties and improve durability. Although, in the case of poor dispersion, the addition of the nanofillers can lead to even faster degradation, depending on the structural integrity and the state of interfacial adhesion. Selected models that describe the durability performance of BPN were considered in the review. These can be applied as a practical tool to design BPN with tailored property degradationand durability.
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Affiliation(s)
| | - Olesja Starkova
- Institute for Mechanics of Materials, University of Latvia, LV-1004 Riga, Latvia;
| | - Sergejs Gaidukovs
- Institute of Polymer Materials, Faculty of Materials Science and Applied Chemistry, Riga Technical University, P.Valdena 3/7, LV-1048 Riga, Latvia; (S.G.); (O.P.)
| | - Oskars Platnieks
- Institute of Polymer Materials, Faculty of Materials Science and Applied Chemistry, Riga Technical University, P.Valdena 3/7, LV-1048 Riga, Latvia; (S.G.); (O.P.)
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77
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Kajornprai T, Suttiruengwong S, Sirisinha K. Manipulating Crystallization for Simultaneous Improvement of Impact Strength and Heat Resistance of Plasticized Poly(l-lactic acid) and Poly(butylene succinate) Blends. Polymers (Basel) 2021; 13:3066. [PMID: 34577967 PMCID: PMC8467506 DOI: 10.3390/polym13183066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 11/16/2022] Open
Abstract
Crystalline morphology and phase structure play a decisive role in determining the properties of polymer blends. In this research, biodegradable blends of poly(l-lactic acid) (PLLA) and poly(butylene succinate) (PBS) have been prepared by melt-extrusion and molded into specimens with rapid cooling. The crystalline morphology (e.g., crystallinity, crystal type and perfection) is manipulated by annealing the molded products from solid-state within a short time. This work emphasizes on the effects of annealing conditions on crystallization and properties of the blends, especially impact toughness and thermal stability. Phase-separation morphology with PBS dispersed particles smaller than 1 μm is created in the blends. The blend properties are successfully dictated by controlling the crystalline morphology. Increasing crystallinity alone does not ensure the enhancement of impact toughness. A great improvement of impact strength and heat resistance is achieved when the PLLA/PBS (80/20) blends are plasticized with 5% medium molecular-weight poly(ethylene glycol), and simultaneously heat-treated at a temperature close to the cold-crystallization of PLLA. The plasticized blend annealed at 92 °C for only 10 min exhibits ten-fold impact strength over the starting PLLA and slightly higher heat distortion temperature. The microscopic study demonstrates the fracture mechanism changes from crazing to shear yielding in this annealed sample.
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Affiliation(s)
- Todsapol Kajornprai
- Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand;
| | - Supakij Suttiruengwong
- Department of Materials Science and Engineering, Faculty of Engineering and Industrial Technology, Silpakorn University, Sanamchandra Palace Campus, Nakhon Pathom 73000, Thailand;
| | - Kalyanee Sirisinha
- Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand;
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78
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Beghetto V, Sole R, Buranello C, Al-Abkal M, Facchin M. Recent Advancements in Plastic Packaging Recycling: A Mini-Review. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4782. [PMID: 34500870 PMCID: PMC8432502 DOI: 10.3390/ma14174782] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/12/2021] [Accepted: 08/19/2021] [Indexed: 01/11/2023]
Abstract
Today, the scientific community is facing crucial challenges in delivering a healthier world for future generations. Among these, the quest for circular and sustainable approaches for plastic recycling is one of the most demanding for several reasons. Indeed, the massive use of plastic materials over the last century has generated large amounts of long-lasting waste, which, for much time, has not been object of adequate recovery and disposal politics. Most of this waste is generated by packaging materials. Nevertheless, in the last decade, a new trend imposed by environmental concerns brought this topic under the magnifying glass, as testified by the increasing number of related publications. Several methods have been proposed for the recycling of polymeric plastic materials based on chemical or mechanical methods. A panorama of the most promising studies related to the recycling of polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), and polystyrene (PS) is given within this review.
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Affiliation(s)
- Valentina Beghetto
- Department of Molecular Sciences and Nanosystems, University Ca’Foscari of Venice, Via Torino 155, 30172 Mestre, Italy; (R.S.); (C.B.); (M.A.-A.); (M.F.)
- Crossing S.r.l., Viale della Repubblica 193/b, 31100 Treviso, Italy
| | - Roberto Sole
- Department of Molecular Sciences and Nanosystems, University Ca’Foscari of Venice, Via Torino 155, 30172 Mestre, Italy; (R.S.); (C.B.); (M.A.-A.); (M.F.)
| | - Chiara Buranello
- Department of Molecular Sciences and Nanosystems, University Ca’Foscari of Venice, Via Torino 155, 30172 Mestre, Italy; (R.S.); (C.B.); (M.A.-A.); (M.F.)
| | - Marco Al-Abkal
- Department of Molecular Sciences and Nanosystems, University Ca’Foscari of Venice, Via Torino 155, 30172 Mestre, Italy; (R.S.); (C.B.); (M.A.-A.); (M.F.)
| | - Manuela Facchin
- Department of Molecular Sciences and Nanosystems, University Ca’Foscari of Venice, Via Torino 155, 30172 Mestre, Italy; (R.S.); (C.B.); (M.A.-A.); (M.F.)
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79
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Poly(butylene succinate- co-ε-caprolactone) Copolyesters: Enzymatic Synthesis in Bulk and Thermal Properties. Polymers (Basel) 2021; 13:polym13162679. [PMID: 34451219 PMCID: PMC8401440 DOI: 10.3390/polym13162679] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/08/2021] [Accepted: 08/09/2021] [Indexed: 11/25/2022] Open
Abstract
This work explores for the first time the enzymatic synthesis of poly(butylene-co-ε-caprolactone) (PBSCL) copolyesters in bulk using commercially available monomers (dimethyl succinate (DMS), 1,4-butanediol (BD), and ε-caprolactone (CL)). A preliminary kinetic study was carried out which demonstrated the higher reactivity of DMS over CL in the condensation/ring opening polymerization reaction, catalyzed by Candida antarctica lipase B. PBSCL copolyesters were obtained with high molecular weights and a random microstructure, as determined by 13C NMR. They were thermally stable up to 300 °C, with thermal stability increasing with the content of CL in the copolyester. All of them were semicrystalline, with melting temperatures and enthalpies decreasing up to the eutectic point observed at intermediate compositions, and glass transition temperatures decreasing with the content of CL in the copolyester. The use of CALB provided copolyesters free from toxic metallic catalyst, which is very useful if the polymer is intended to be used for biomedical applications.
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80
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Righetti MC, Di Lorenzo ML, Cinelli P, Gazzano M. Temperature dependence of the rigid amorphous fraction of poly(butylene succinate). RSC Adv 2021; 11:25731-25737. [PMID: 35478875 PMCID: PMC9036998 DOI: 10.1039/d1ra03775g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 06/16/2021] [Indexed: 11/21/2022] Open
Abstract
In this contribution the temperature evolution of the constrained or rigid amorphous fraction (RAF) of biodegradable and biocompatible poly(butylene succinate) (PBS) was quantified, after detailed thermodynamic characterization by differential scanning calorimetry and X-ray diffraction analysis. At the glass transition temperature, around -40 °C, the rigid amorphous fraction in PBS is about 0.25. It decreases with increasing temperature and becomes zero in proximity of 25 °C. Thus, at room temperature and at the human body temperature, all the amorphous fraction is mobile. This information is important for the development of PBS products for various applications, including biomedical applications, since physical properties of the rigid amorphous fraction, for example mechanical and permeability properties, are different from those of the mobile amorphous fraction.
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Affiliation(s)
- Maria Cristina Righetti
- CNR-IPCF, National Research Council - Institute for Chemical and Physical Processes Via Moruzzi 1 56124 Pisa Italy
| | - Maria Laura Di Lorenzo
- CNR-IPCB, National Research Council - Institute of Polymers, Composites and Biomaterials Via Campi Flegrei 24 80078 Pozzuoli Italy
| | - Patrizia Cinelli
- University of Pisa, Department of Civil and Industrial Engineering Largo Lazzarino 2 56122 Pisa Italy
| | - Massimo Gazzano
- CNR-ISOF, National Research Council - Institute of Organic Synthesis and Photoreactivity Via Gobetti 101 40129 Bologna Italy
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81
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Wang JM, Wang H, Chen EC, Chen YJ, Wu TM. Role of Organically-Modified Zn-Ti Layered Double Hydroxides in Poly(Butylene Succinate-Co-Adipate) Composites: Enhanced Material Properties and Photodegradation Protection. Polymers (Basel) 2021; 13:2181. [PMID: 34209173 PMCID: PMC8272187 DOI: 10.3390/polym13132181] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 06/29/2021] [Accepted: 06/29/2021] [Indexed: 11/17/2022] Open
Abstract
In this research, the effects of Zn-Ti layered double hydroxide (Zn-Ti LDH) as a UV-protection additive, which was added to the poly(butylene succinate-co-adipate) (PBSA) matrix, were investigated. Stearic acid was used to increase the hydrophobicity of Zn-Ti LDH via ion-exchange method. Transmission electron microscopy images of PBSA composites showed that modified Zn-Ti LDH (m-LDH) well-dispersed in the polymer matrix. Due to the effect of heterogeneous nucleation, the crystallization temperature of the composite increased to 52.9 °C, and the accompanying crystallinity increased to 31.0% with the addition of 1 wt% m-LDH. The additional m-LDH into PBSA copolymer matrix significantly enhanced the storage modulus, as compared to pure PBSA. Gel permeation chromatography and Fourier transform infrared spectroscopy analysis confirmed that the addition of m-LDH can reduce the photodegradation of PBSA.
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Affiliation(s)
| | | | | | | | - Tzong-Ming Wu
- Department of Materials Science and Engineering, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 402, Taiwan; (J.-M.W.); (H.W.); (E.-C.C.); (Y.-J.C.)
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