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Rigo E, Totée C, Ladmiral V, Caillol S, Lacroix-Desmazes P. 4-Vinyl Guaiacol: A Key Intermediate for Biobased Polymers. Molecules 2024; 29:2507. [PMID: 38893382 PMCID: PMC11174018 DOI: 10.3390/molecules29112507] [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: 03/19/2024] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 06/21/2024] Open
Abstract
In order to contribute to the shift from petro-based chemistry to biobased chemistry, necessary to minimize the environmental impacts of the chemical industry, 2-methoxy-4-vinylphenol (4-vinyl guaiacol, 4VG) was used to synthesize a platform of biobased monomers. Thus, nine biobased monomers were successfully prepared. The synthesis procedures were investigated through the green metrics calculations in order to quantify the sustainability of our approaches. Their radical homopolymerization in toluene solution initiated by 2,2'-azobis(2-methylpropionitrile) (AIBN) was studied and the effect of residual 4VG as a radical inhibitor on the kinetics of polymerization was also explored. The new homopolymers were characterized by proton nuclear magnetic resonance (1H-NMR) spectroscopy, size exclusion chromatography and thermal analyses (dynamical scanning calorimetry DSC, thermal gravimetric analysis TGA). By varying the length of the alkyl ester or ether group of the 4VG derivatives, homopolymers with Tg ranging from 117 °C down to 5 °C were obtained. These new biobased monomers could be implemented in radical copolymerization as substitutes to petro-based monomers to decrease the carbon footprint of the resulting copolymers for various applications.
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Affiliation(s)
- Elena Rigo
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
- Synthomer Speciality Chemicals SAS, 76430 Sandouville, France
- Synthomer Ltd., Harlow CM20 2BH, UK
| | - Cédric Totée
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
| | - Vincent Ladmiral
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
| | - Sylvain Caillol
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
| | - Patrick Lacroix-Desmazes
- ICGM, University of Montpellier, CNRS, ENSCM, 34293 Montpellier, France; (E.R.); (C.T.); (V.L.); (S.C.)
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2
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Cheng C, Shi JX, Kang EH, Nelson TF, Sander M, McNeill K, Hartwig JF. Polymers from Plant Oils Linked by Siloxane Bonds for Programmed Depolymerization. J Am Chem Soc 2024; 146:12645-12655. [PMID: 38651821 DOI: 10.1021/jacs.4c01982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
The increased production of plastics is leading to the accumulation of plastic waste and depletion of limited fossil fuel resources. In this context, we report a strategy to create polymers that can undergo controlled depolymerization by linking renewable feedstocks with siloxane bonds. α,ω-Diesters and α,ω-diols containing siloxane bonds were synthesized from an alkenoic ester derived from castor oil and then polymerized with varied monomers, including related biobased monomers. In addition, cyclic monomers derived from this alkenoic ester and hydrosiloxanes were prepared and cyclized to form a 26-membered macrolactone containing a siloxane unit. Sequential ring-opening polymerization of this macrolactone and lactide afforded an ABA triblock copolymer. This set of polymers containing siloxanes underwent programmed depolymerization into monomers in protic solvents or with hexamethyldisiloxane and an acid catalyst. Monomers afforded by the depolymerization of polyesters containing siloxane linkages were repolymerized to demonstrate circularity in select polymers. Evaluation of the environmental stability of these polymers toward enzymatic degradation showed that they undergo enzymatic hydrolysis by a fungal cutinase from Fusarium solani. Evaluation of soil microbial metabolism of monomers selectively labeled with 13C revealed differential metabolism of the main chain and side chain organic groups by soil microbes.
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Affiliation(s)
- Chen Cheng
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Jake X Shi
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Division of Chemical Sciences, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Eun-Hye Kang
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Taylor F Nelson
- Institute for Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092 Zurich, Switzerland
| | - Michael Sander
- Institute for Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092 Zurich, Switzerland
| | - Kristopher McNeill
- Institute for Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092 Zurich, Switzerland
| | - John F Hartwig
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Division of Chemical Sciences, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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3
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Haala F, Dielentheis-Frenken MRE, Brandt FM, Karmainski T, Blank LM, Tiso T. DoE-based medium optimization for improved biosurfactant production with Aureobasidium pullulans. Front Bioeng Biotechnol 2024; 12:1379707. [PMID: 38511129 PMCID: PMC10953688 DOI: 10.3389/fbioe.2024.1379707] [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: 01/31/2024] [Accepted: 02/19/2024] [Indexed: 03/22/2024] Open
Abstract
Polyol lipids (a.k.a. liamocins) produced by the polyextremotolerant, yeast-like fungus Aureobasidium pullulans are amphiphilic molecules with high potential to serve as biosurfactants. So far, cultivations of A. pullulans have been performed in media with complex components, which complicates further process optimization due to their undefined composition. In this study, we developed and optimized a minimal medium, focusing on biosurfactant production. Firstly, we replaced yeast extract and peptone in the best-performing polyol lipid production medium to date with a vitamin solution, a trace-element solution, and a nitrogen source. We employed a design of experiments approach with a factor screening using a two-level-factorial design, followed by a central composite design. The polyol lipid titer was increased by 56% to 48 g L-1, and the space-time yield from 0.13 to 0.20 g L-1 h-1 in microtiter plate cultivations. This was followed by a successful transfer to a 1 L bioreactor, reaching a polyol lipid concentration of 41 g L-1. The final minimal medium allows the investigation of alternative carbon sources and the metabolic pathways involved, to pinpoint targets for genetic modifications. The results are discussed in the context of the industrial applicability of this robust and versatile fungus.
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Affiliation(s)
| | | | | | | | | | - Till Tiso
- Institute of Applied Microbiology, RWTH Aachen University, Aachen, Germany
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4
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Adamu Ugya Y, Chen H, Sheng Y, Ajibade FO, Wang Q. A review of microalgae biofilm as an eco-friendly approach to bioplastics, promoting environmental sustainability. ENVIRONMENTAL RESEARCH 2023; 236:116833. [PMID: 37543134 DOI: 10.1016/j.envres.2023.116833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 07/17/2023] [Accepted: 08/03/2023] [Indexed: 08/07/2023]
Abstract
In this comprehensive review, we delve into the challenges hindering the large-scale production of microalgae-based bioplastics, primarily focusing on economic feasibility and bioplastic quality. To address these issues, we explore the potential of microalgae biofilm cultivation as a sustainable and highly viable approach for bioplastic production. We present a proposed method for producing bioplastics using microalgae biofilm and evaluate its environmental impact using various tools such as life cycle analysis (LCA), ecological footprint analysis, resource flow analysis, and resource accounting. While pilot-scale and large-scale LCA data are limited, we utilize alternative indicators such as energy efficiency, carbon footprint, materials management, and community acceptance to predict the environmental implications of commercializing microalgae biofilm-based bioplastics. The findings of this study indicate that utilizing microalgae biofilm for bioplastic production offers significant environmental sustainability benefits. The system exhibits low energy requirements and a minimal carbon footprint. Moreover, it has the potential to address the issue of wastewater by utilizing it as a carbon source, thereby mitigating associated problems. However, it is important to acknowledge certain limitations associated with the method proposed in this review. Further research is needed to explore and engineer precise techniques for manipulating microalgae biofilm structure to optimize the accumulation of desired metabolites. This could involve employing chemical triggers, metabolic engineering, and genetic engineering to achieve the intended goals. In conclusion, this review highlights the potential of microalgae biofilm as a viable and sustainable solution for bioplastic production. While acknowledging the advantages, it also emphasizes the need for continued synthetic studies to enhance the efficiency and reliability of this approach. By addressing the identified drawbacks and maximizing the utilization of advanced techniques, we can further harness the potential of microalgae biofilm in contributing to a more environmentally friendly and economically feasible bioplastic industry.
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Affiliation(s)
- Yunusa Adamu Ugya
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, China; Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China; Department of Environmental Management, Kaduna State University, Kaduna State, Nigeria
| | - Hui Chen
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, China; Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
| | - Yangyang Sheng
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, China
| | - Fidelis Odedishemi Ajibade
- Department of Civil and Environmental Engineering, Federal University of Technology Akure, PMB 704, Nigeria
| | - Qiang Wang
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, China; Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China.
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5
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Delavarde A, Lemouzy S, Lebrun A, Pinaud J, Caillol S. Paving the Way towards Sustainability of Polyurethanes: Synthesis and Properties of Terpene-Based Diisocyanate. Molecules 2023; 28:7133. [PMID: 37894612 PMCID: PMC10609554 DOI: 10.3390/molecules28207133] [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: 09/25/2023] [Revised: 10/15/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
Due to growing concerns about environmental issues and the decline of petroleum-based resources, the synthesis of new biobased compounds for the polymer industry has become a prominent and timely topic. P-menthane-1,8-diamine (PMDA) is a readily available compound synthesized from turpentine, a cheap mixture of natural compounds isolated from pine trees. PMDA has been extensively used for its biological activities, but it can also serve as a source of valuable monomers for the polymer industry. In this work, commercial PMDA (ca. 85% pure) was purified by salinization, crystallization, and alkali treatment and then converted into p-menthane-1,8-diisocyanate (PMDI) through a phosgene-free synthesis at room temperature. A thorough analytical study using NMR techniques (1H, 13C, 13C-1H HSQC, 13C-1H HMBC, and 1H-1H NOESY) enables the characterization of the cis-trans isomeric mixtures of both PMDA and PMDI. These structural studies allowed for a better understanding of the spatial configuration of both isomers. Then, the reactivity of PMDI with a primary alcohol (benzyl alcohol) was studied in the presence of nine different catalysts exhibiting different activation modes. Finally, the use of PMDI in the synthesis of polyurethanes was explored to demonstrate that PMDI can be employed as a new biobased alternative to petrochemical-based isocyanates such as isophorone diisocyanate (IPDI).
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Affiliation(s)
- Aliénor Delavarde
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; (A.D.); (S.L.); (J.P.)
| | - Sebastien Lemouzy
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; (A.D.); (S.L.); (J.P.)
| | | | - Julien Pinaud
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; (A.D.); (S.L.); (J.P.)
| | - Sylvain Caillol
- ICGM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; (A.D.); (S.L.); (J.P.)
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6
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Freire N, Barbosa RDM, García-Villén F, Viseras C, Perioli L, Fialho R, Albuquerque E. Environmentally Friendly Strategies for Formulating Vegetable Oil-Based Nanoparticles for Anticancer Medicine. Pharmaceutics 2023; 15:1908. [PMID: 37514094 PMCID: PMC10386571 DOI: 10.3390/pharmaceutics15071908] [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: 05/24/2023] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 07/30/2023] Open
Abstract
The development of green synthesized polymeric nanoparticles with anticancer studies has been an emerging field in academia and the pharmaceutical and chemical industries. Vegetable oils are potential substitutes for petroleum derivatives, as they present a clean and environmentally friendly alternative and are available in abundance at relatively low prices. Biomass-derived chemicals can be converted into monomers with a unique structure, generating materials with new properties for the synthesis of sustainable monomers and polymers. The production of bio-based polymeric nanoparticles is a promising application of green chemistry for biomedical uses. There is an increasing demand for biocompatible and biodegradable materials for specific applications in the biomedical area, such as cancer therapy. This is encouraging scientists to work on research toward designing polymers with enhanced properties and clean processes, containing oncology active pharmaceutical ingredients (APIs). The nanoencapsulation of these APIs in bio-based polymeric nanoparticles can control the release of the substances, increase bioavailability, reduce problems of volatility and degradation, reduce side effects, and increase treatment efficiency. This review discusses the use of green chemistry for bio-based nanoparticle production and its application in anticancer medicine. The use of castor oil for the production of renewable monomers and polymers is proposed as an ideal candidate for such applications, as well as more suitable methods for the production of bio-based nanoparticles and some oncology APIs available for anticancer application.
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Affiliation(s)
- Nathália Freire
- Graduate Program in Industrial Engineering, Polytechnic School, Federal University of Bahia, Salvador 40210-630, Brazil
| | - Raquel de Melo Barbosa
- Laboratory of Drug Development, Department of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil
| | - Fátima García-Villén
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy, University of Granada, Campus of Cartuja, 18071 Granada, Spain
| | - César Viseras
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy, University of Granada, Campus of Cartuja, 18071 Granada, Spain
- Andalusian Institute of Earth Sciences, CSIC-University of Granada, Av. de las Palmeras 4, Armilla, 18100 Granada, Spain
| | - Luana Perioli
- Department of Pharmaceutic Science, University of Perugia, 06123 Perugia, Italy
| | - Rosana Fialho
- Graduate Program in Industrial Engineering, Polytechnic School, Federal University of Bahia, Salvador 40210-630, Brazil
| | - Elaine Albuquerque
- Graduate Program in Industrial Engineering, Polytechnic School, Federal University of Bahia, Salvador 40210-630, Brazil
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7
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Kuang Y, Li W, Xie S, Gong W, Ye Z, Wang Y, Peng D, Li J. Epoxidized Soybean-Oils-Based Pressure-Sensitive Adhesives with Di-Hydroxylated Soybean-Oils Copolymerizing and Antioxidant Grafting. Polymers (Basel) 2023; 15:2709. [PMID: 37376355 DOI: 10.3390/polym15122709] [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: 05/18/2023] [Revised: 06/06/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Vegetable-oils-based pressure-sensitive adhesives (PSAs) are being developed as a substitute for petrochemical-based PSAs for application in daily life. However, vegetable-oils-based PSAs face the problems of unsatisfactory binding strengths and easy aging. In this work, the grafting of antioxidants (tea polyphenol palmitates, caffeic acid, ferulic acid, gallic acid, butylated hydroxytoluene, tertiary butylhydroquinone, butylated hydroxyanisole, propyl gallate (PG), tea polyphenols) was introduced into an epoxidized soybean oils (ESO)/di-hydroxylated soybean oils (DSO)-based PSA system to improve the binding strengths and aging-resistant properties. PG was screened out as the most suitable antioxidant in the ESO/DSO-based PSA system. Under optimal conditions (ESO/DSO mass ratio of 9/3, 0.8% PG, 55% rosin ester (RE), 8% phosphoric acid (PA), 50 °C, and 5 min), the peel adhesion, tack, and shear adhesion of the PG-grafted ESO/DSO-based PSA increased to 1.718 N/cm, 4.62 N, and >99 h, respectively, in comparison with the control (0.879 N/cm, 3.59 N, and 13.88 h), while peel adhesion residue reduced to 12.16% in comparison with the control (484.07%). The thermal stability of the ESO/DSO-based PSA was enhanced after PG grafting. PG, RE, PA, and DSO were partially crosslinked in the PSA system, with the rest being free in the network structures. Thus, antioxidant grafting is a feasible method for improving the binding strengths and aging-resistant properties of vegetable-oils-based PSAs.
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Affiliation(s)
- Yongyan Kuang
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Wenlong Li
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Shuli Xie
- Ningbo Fotile Kitchen Ware Company, Ningbo 315336, China
| | - Weijian Gong
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Zihan Ye
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Yiming Wang
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Dan Peng
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Jun Li
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
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8
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Kumar A, Gresil M, Connal LA. Dynamic elastomers based on bio‐derived crosslinker. JOURNAL OF POLYMER SCIENCE 2023. [DOI: 10.1002/pol.20230005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Affiliation(s)
- Ashwani Kumar
- Research School of Chemistry Australian National University Canberra Australian Capital Territory Australia
| | - Matthieu Gresil
- Department of Material Science and Engineering Monash University Clayton Victoria Australia
| | - Luke A. Connal
- Research School of Chemistry Australian National University Canberra Australian Capital Territory Australia
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9
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Centeno-Pedrazo A, Perez-Arce J, Freixa Z, Ortiz P, Garcia-Suarez EJ. Catalytic Systems for the Effective Fixation of CO 2 into Epoxidized Vegetable Oils and Derivates to Obtain Biobased Cyclic Carbonates as Precursors for Greener Polymers. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c03747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Affiliation(s)
- Ander Centeno-Pedrazo
- TECNALIA, Basque Research and Technology Alliance (BRTA), Alava Technology Park, Leonardo da Vinci 11, 01510 Vitoria-Gasteiz, Spain
| | - Jonatan Perez-Arce
- Center for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain
| | - Zoraida Freixa
- Department of Applied Chemistry, Faculty of Chemistry, University of the Basque Country (UPV-EHU), 20018 Donostia-San Sebastián, Spain
- IKERBASQUE, Basque Foundation for Science, Plaza Euskadi 5, 48009 Bilbao, Spain
| | - Pablo Ortiz
- TECNALIA, Basque Research and Technology Alliance (BRTA), Alava Technology Park, Leonardo da Vinci 11, 01510 Vitoria-Gasteiz, Spain
| | - Eduardo J. Garcia-Suarez
- Center for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain
- IKERBASQUE, Basque Foundation for Science, Plaza Euskadi 5, 48009 Bilbao, Spain
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10
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Soodoo N, Bouzidi L, Narine S. Effect of Pendant Sulfide and Sulfonyl Groups on the Thermal, Flow, and Antioxidative Properties of Lipid-Based Aliphatic Monoesters. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Navindra Soodoo
- Trent Centre for Biomaterials Research, Departments of Physics & Astronomy and Chemistry, Trent University, Peterborough, OntarioK9J 7B8, Canada
| | - Laziz Bouzidi
- Trent Centre for Biomaterials Research, Departments of Physics & Astronomy and Chemistry, Trent University, Peterborough, OntarioK9J 7B8, Canada
| | - Suresh Narine
- Trent Centre for Biomaterials Research, Departments of Physics & Astronomy and Chemistry, Trent University, Peterborough, OntarioK9J 7B8, Canada
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11
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Synthesis of a polyester plasticizer from rubber seed oil for polyvinyl chloride. POLISH JOURNAL OF CHEMICAL TECHNOLOGY 2022. [DOI: 10.2478/pjct-2022-0023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Abstract
A polyester plasticizer (RSOP) for polyvinyl chloride based on rubber seed oil (RSO) was synthesized. Firstly, RSO monoglyceride were synthesized by the transesterification of RSO with glycerol at 220–240 °C. Secondly, RSOP was synthesized from RSO monoglyceride and adipic acid by esterification. The polyester plasticizer was characterized by GPC, FT-IR, 1H NMR and DSC. Plasticized polyvinyl chloride (PVC) materials with RSOP and dioctyl phthalate (DOP) in varying ratios were prepared via thermal melting process, RSOP was used as a second plasticizer. The properties of the plasticized PVC materials were characterized by a universal testing machine, TGA, DMA and solvent extraction resistance. The obtained PVC materials showed improved thermal stability and lower glass transition temperature than PVC. Solvent extraction resistance and plasticization of plasticized PVC were also improved. This study provides a new strategy for preparing bio-based polyester plasticizer from RSO.
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12
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Moser BR, Doll KM, Price NPJ. Comparison of aliphatic polyesters prepared by acyclic diene metathesis and thiol‐ene polymerization of α,ω‐polyenes arising from oleic acid‐based 9‐decen‐1‐ol. J AM OIL CHEM SOC 2022. [DOI: 10.1002/aocs.12668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bryan R. Moser
- United States Department of Agriculture United States Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Bio‐Oils Research Unit Peoria Illinois USA
| | - Kenneth M. Doll
- United States Department of Agriculture United States Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Bio‐Oils Research Unit Peoria Illinois USA
| | - Neil P. J. Price
- United States Department of Agriculture Agricultural Research Service, National Center for Agricultural Utilization Research, Renewable Product Technology Research Unit Peoria Illinois USA
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13
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Bio-Vitrimers for Sustainable Circular Bio-Economy. Polymers (Basel) 2022; 14:polym14204338. [PMID: 36297916 PMCID: PMC9606967 DOI: 10.3390/polym14204338] [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: 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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14
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Mousavi M, Zhou T, Dong Z, Fini EH. Turning abundant waste sulfur to polymers for manufacturing: Exploiting role of organic crosslinkers and benign catalysts. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.10.005] [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]
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15
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Mondal D, Willett TL. Enhanced mechanical performance of mSLA-printed biopolymer nanocomposites due to phase functionalization. J Mech Behav Biomed Mater 2022; 135:105450. [PMID: 36115176 DOI: 10.1016/j.jmbbm.2022.105450] [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: 06/23/2022] [Revised: 08/30/2022] [Accepted: 09/02/2022] [Indexed: 10/31/2022]
Abstract
Functionalized phases can effectively increase the mechanical properties of nanocomposites through interfacial bonding. This work demonstrates masked stereolithography (mSLA) of biopolymer-based nanocomposites and the improvement of their mechanical properties by the functionalization of both polymer matrix and nanoparticles with methacrylate groups. 3D printable nanocomposite inks were prepared from plant-derived acrylated epoxidized soybean oil (AESO), polyethylene glycol diacrylate (PEGDA), and nano-hydroxyapatite (nHA). Both AESO and nHA were further functionalized with additional methacrylate groups. We hypothesized that the additional functionalization of AESO and surface functionalization of nHA would improve the tensile strength and fracture toughness of these nanocomposites by increasing the degree of crosslinking and the strength of the interface between the matrix and nanoparticles. Curing efficiency, rheology, and print-fidelity of the nanocomposites were evaluated. Mechanical test specimens were prepared by mSLA-based 3D printing. Tensile mechanical properties, Poisson's ratio, and Mode-I fracture toughness were measured by following ASTM standards. Fracture surfaces of the tested specimens were studied using scanning electron microscopy. Thermomechanical behavior, especially glass transition temperature (Tg), was studied using dynamic mechanical analysis (DMA). Functionalized AESO (mAESO) improved rheological, tensile, and fracture mechanical properties. For instance, by replacing AESO with mAESO, tensile strength, Young's modulus, fracture toughness (K1c), and Tg increased by 33%, 53%, 40%, and 38% respectively. In addition, the combination of both functionalized nHA and mAESO improved the fracture toughness of the 10% volume fraction nHA nanocomposites but made them less extensible presumably due to reduced chain mobility due to greater crosslinking.
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Affiliation(s)
- Dibakar Mondal
- Composite Biomaterial Systems Laboratory, Department of Systems Design Engineering, University of Waterloo, 200 University Ave. West, Waterloo, N2L 3G1, Canada
| | - Thomas L Willett
- Composite Biomaterial Systems Laboratory, Department of Systems Design Engineering, University of Waterloo, 200 University Ave. West, Waterloo, N2L 3G1, Canada.
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Moser BR, Cermak SC, Doll KM, Kenar JA, Sharma BK. A review of fatty epoxide ring opening reactions: Chemistry, recent advances, and applications. J AM OIL CHEM SOC 2022. [DOI: 10.1002/aocs.12623] [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)
- Bryan R. Moser
- United States Department of Agriculture, Agricultural Research Service, Bio‐Oils Research Unit National Center for Agricultural Utilization Research Peoria Illinois USA
| | - Steven C. Cermak
- United States Department of Agriculture, Agricultural Research Service, Bio‐Oils Research Unit National Center for Agricultural Utilization Research Peoria Illinois USA
| | - Kenneth M. Doll
- United States Department of Agriculture, Agricultural Research Service, Bio‐Oils Research Unit National Center for Agricultural Utilization Research Peoria Illinois USA
| | - James A. Kenar
- United States Department of Agriculture, Agricultural Research Service, Functional Foods Research Unit National Center for Agricultural Utilization Research Peoria Illinois USA
| | - Brajendra K. Sharma
- United States Department of Agriculture, Agricultural Research Service, Sustainable Biofuels and Co‐Products Research Unit Eastern Regional Research Center Wyndmoor Pennsylvania USA
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Cangul K, Cakmakci E, Daglar O, Gunay US, Hizal G, Tunca U, Durmaz H. Metal-Free Click Modification of Triple Bond-Containing Polyester with Azide-Functionalized Vegetable Oil: Plasticization and Tunable Solvent Adsorption. ACS OMEGA 2022; 7:23332-23341. [PMID: 35847292 PMCID: PMC9281323 DOI: 10.1021/acsomega.2c01525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Pressure from environmental nongovernmental organizations and the public has accelerated research on the development of innovative and renewable polymers and additives. Recently, biobased "green" plasticizers that can be covalently attached to replace toxic and migratory phthalate-based plasticizers have gained a lot of attention from researchers. In this work, we prepared an azide-functionalized soybean oil derivative (AzSBO) and investigated whether it can be used as a plasticizer. We covalently attached AzSBO to an electron-deficient triple-bond-containing polyester via a metal-free azide-alkyne click reaction. The thermal, mechanical, and solvent absorption behaviors of different amounts of azidated oil-containing polyesters were determined. Moreover, the plasticization efficiency of AzSBO was compared with the commercial plasticizers bis(2-ethylhexyl) phthalate and epoxidized soybean oil. At relatively lower AzSBO ratios, the degree of cross-linking was higher and thus the plasticization was less pronounced but the solvent resistance was significantly improved. As the ratio of AzSBO was increased, the glass transition temperature of the pristine polymer decreased up to 31 °C from 57 °C. Furthermore, the incorporation of AzSBO also improved the thermal properties and 20% AzSBO addition led to a 60 °C increase in the maximum weight loss temperature.
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Affiliation(s)
- Karen Cangul
- Department
of Chemistry, Istanbul Technical University, Istanbul 34469, Turkey
| | - Emrah Cakmakci
- Department
of Chemistry, Marmara University, Istanbul 34722, Turkey
| | - Ozgun Daglar
- Department
of Chemistry, Istanbul Technical University, Istanbul 34469, Turkey
| | - Ufuk Saim Gunay
- Department
of Chemistry, Istanbul Technical University, Istanbul 34469, Turkey
| | - Gurkan Hizal
- Department
of Chemistry, Istanbul Technical University, Istanbul 34469, Turkey
| | - Umit Tunca
- Department
of Chemistry, Istanbul Technical University, Istanbul 34469, Turkey
| | - Hakan Durmaz
- Department
of Chemistry, Istanbul Technical University, Istanbul 34469, Turkey
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BIO-BASED CYANATE ESTER RESINS AND THERMOSTABLE POLYMER NETWORKS DERIVED THEREOF. MINI REVIEW. Polym J 2022. [DOI: 10.15407/polymerj.44.02.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This article is devoted to a review of the literature on a very promising direction in the chemistry of macromolecular compounds: the synthesis and study of polymers, more specifically, high performance polycyanurates based on bis(poly)phenols) of natural origin. Cyanate Ester Resins (CER) are characterized by a very regular structure of the polymer networks, namely polycyanurates (PCNs), obtained by their polycyclotrimerization. They have received much attention because of their unique combination of physical properties, including high thermal stability (> 400 °C), high glass transition temperature (> 270 °C), high fire-, radiation and chemical resistance, low water absorption and low outgassing, high adhesion to different substrates and excellent dielectric properties (ε=2,64−3,11). As a result, CER are currently used as structural or functional materials in aeronautics, space (composite strakes, fins, nose radomes, heat shields), printed circuit boards, adhesives etc. It has to be noted here that CER thermosetting resins, expanding the high-temperature operations regimes, are produced from synthetic petroleum-derived bisphenols, such as bisphenol A, which are toxic and dangerous for environment. In the past decade, naturally occurring phenolic derivatives have arisen as attractive precursors for developing new materials from renewable bio-sources for use in eco-friendly processes. Resins have been prepared utilizing either the whole liquid product or a phenolic-enriched fraction obtained after fractional condensation or further processing, such as solvent extraction or use of greener extraction methods. However, to date, none of the phenolic production and fractionation techniques has been utilized to allow for substitution of 100% of the phenol content of the resin without impacting its effectiveness compared to commercial formulations based on petroleum-derived phenol. The variable nature of the percentage of phenolic compounds in terms of purity from different batches of crops from one season to another and geographical influence does not allow from the reproducibility of phenolic compounds, and hence the resulting polymers. However, the direction that needs to be explored should be oriented towards complete replacement of petro-based phenolics with bio-based ones in the face of an urgent petroleum crisis. In addition, there is a necessity for materials showing enhanced applicability and improved performance. It is a beginning of the era of such a step, which requires further exploration of natural phenolic sources aimed at their enhanced utilization.
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19
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Liu S, Yan J, Zhang Q, Yan Y. Acyclic Diene Metathesis (ADMET) as Powerful Tool for Functional Polymers with Versatile Architectures. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02386-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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A Solvent-Free Approach to Crosslinked Hydrophobic Polymeric Coatings on Paper Using Vegetable Oil. Polymers (Basel) 2022; 14:polym14091773. [PMID: 35566941 PMCID: PMC9099761 DOI: 10.3390/polym14091773] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/19/2022] [Accepted: 04/22/2022] [Indexed: 02/06/2023] Open
Abstract
Hydrophobic coatings are of utmost importance for many applications of paper-based materials. However, to date, most coating methods demand vast amounts of chemicals and solvents. Frequently, fossil-based coating materials are being used and multiple derivatization reactions are often required to obtain desired performances. In this work, we present a solvent-free paper-coating process, where olive oil as the main biogenic component is being used to obtain a hydrophobic barrier on paper. UV-induced thiol-ene photocrosslinking of olive oil was pursued in a solvent-free state at a wavelength of 254 nm without addition of photoinitiator. Optimum reaction conditions were determined in advance using oleic acid as a model compound. Paper coatings based on olive oil crosslinked by thiol-ene reaction reach water contact angles of up to 120°. By means of Fourier transform infrared spectroscopy and differential scanning calorimetry, a successful reaction and the formation of a polymer network within the coating can be proven. These results show that click-chemistry strategies can be used to achieve hydrophobic polymeric paper coatings while keeping the amount of non-biobased chemicals and reaction steps at a minimum.
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Yu H, Feng J, Tang P, Chen S, Wang Z, Wang Z, Jiang F. Combination of cellulose and plant oil toward sustainable bottlebrush copolymer elastomers with tunable mechanical performance. Int J Biol Macromol 2022; 209:1848-1857. [PMID: 35487380 DOI: 10.1016/j.ijbiomac.2022.04.159] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/17/2022] [Accepted: 04/21/2022] [Indexed: 11/05/2022]
Abstract
In this work, sustainable cellulose-g-poly(lauryl acrylate-co-acrylamide) [Cell-g-P(LA-co-AM)] bottlebrush copolymer elastomers derived from cellulose and plant oil were synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization. Differential scanning calorimeter (DSC) results indicate that these thermally stable Cell-g-P(LA-co-AM) bottlebrush copolymer elastomers show adjustable melting temperatures. Monotonic and cyclic tensile tests suggest that the mechanical properties, including tensile strength, extensibility, Young's modulus, and elasticity, can be conveniently controlled by changing the LA/AM feed ratio and cellulose content. In such kind of bottlebrush copolymer elastomers, the rigid cellulose backbones act as cross-linking points to provide tensile strength. The incorporated PAM segments can form additional network structure via hydrogen bonding, resulting in enhanced tensile strength but decreased extensibility when more PAM segments are introduced. This versatile strategy can promote the development of sustainable cellulose-based bottlebrush copolymer elastomers from renewable resources.
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Affiliation(s)
- Hanqing Yu
- Biomass Molecular Engineering Center, Department of Materials Science and Engineering, School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Jiajun Feng
- Biomass Molecular Engineering Center, Department of Materials Science and Engineering, School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Pengfei Tang
- Biomass Molecular Engineering Center, Department of Materials Science and Engineering, School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Shuaishuai Chen
- Biomass Molecular Engineering Center, Department of Materials Science and Engineering, School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Zhiqiang Wang
- Biomass Molecular Engineering Center, Department of Materials Science and Engineering, School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Zhongkai Wang
- Biomass Molecular Engineering Center, Department of Materials Science and Engineering, School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, Anhui 230036, China.
| | - Feng Jiang
- Biomass Molecular Engineering Center, Department of Materials Science and Engineering, School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, Anhui 230036, China.
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22
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Swamy NK, Mohana KNS, Hegde MB, Madhusudana AM. Fabrication of 1D graphene nanoribbon and malenized linseed oil-based nanocomposite: a highly impervious bio-based anti-corrosion coating material for mild steel. J APPL ELECTROCHEM 2022. [DOI: 10.1007/s10800-022-01692-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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23
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Separation of monodisperse poly(3-hydroxybutyrate) particles by fractionation: Theory and practice. POWDER TECHNOL 2022. [DOI: 10.1016/j.powtec.2022.117383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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24
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Pellegrene B, Hammer TJ, Pugh C, Soucek MD. Maleated soybean oil derivatives as versatile reactive diluents: Synthesis, characterization, and evaluation. J Appl Polym Sci 2022. [DOI: 10.1002/app.51814] [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)
- Brittany Pellegrene
- School of Polymer Science and Polymer Engineering University of Akron Akron Ohio USA
| | - Theodore J. Hammer
- School of Polymer Science and Polymer Engineering University of Akron Akron Ohio USA
| | - Coleen Pugh
- Department of Chemistry and Biochemistry Wichita State University Wichita Kansas USA
| | - Mark D. Soucek
- School of Polymer Science and Polymer Engineering University of Akron Akron Ohio USA
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25
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Scholten PBV, Figueirêdo MB. Back to the Future with Biorefineries: Bottom‐Up and Top‐Down Approaches toward Polymers and Monomers. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Philip B. V. Scholten
- Bloom Biorenewables Route de l'Ancienne Papeterie 106 Case postal 146 Marly 1723 Switzerland
| | - Monique B. Figueirêdo
- Bloom Biorenewables Route de l'Ancienne Papeterie 106 Case postal 146 Marly 1723 Switzerland
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26
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Ribeiro AR, Silva SS, Reis RL. Challenges and opportunities on vegetable oils derived systems for biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2022; 134:112720. [DOI: 10.1016/j.msec.2022.112720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 02/10/2022] [Accepted: 02/14/2022] [Indexed: 01/11/2023]
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27
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Suberinic Acids as a Potential Feedstock for Polyol Synthesis: Separation and Characterization. Polymers (Basel) 2021; 13:polym13244380. [PMID: 34960931 PMCID: PMC8709458 DOI: 10.3390/polym13244380] [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: 10/19/2021] [Revised: 11/26/2021] [Accepted: 12/10/2021] [Indexed: 11/17/2022] Open
Abstract
Global sustainability challenges prompt the world to modify its strategies and shift from a fossil-fuel-based economy to a bio-resources-based one and to the production of renewable biomass chemicals. Depolymerized suberinic acids (SA) were considered as an alternative resource to develop bio-polyols that can be further used in polyurethane (PU) material production. Birch (Betula pendula) outer bark was used as a raw material to obtain the SA, extracted with ethanol, and depolymerized with potassium hydroxide ethanol solution. By acidifying the filtrate to pH 5.0, 3.0, and 1.0 and drying it at 50 °C and 130 °C, 12 different SA potential feedstocks were obtained and characterized using chemical (total phenolics content, solubility in DMSO, acid, hydroxyl, and saponification number) and instrumental analytical methods (GC-MS, SEC-RID, DSC, and FTIR). Several bio-polyols were synthesized from the SA sample acidified to pH 1 and dried at 130 °C. Acid number and hydroxyl number values, the apparent viscosity and moisture content were measured. It was concluded that SA have a high enough saponification and acid value to investigate the polyol synthesis route via the esterification reaction. Moreover, SA had OH groups in their structure, which can be exploited for PU material development. The majority of SA compounds had relatively low molecular weight with <1300 Da that are suited for bio-polyol synthesis applied for rigid PU foam development. The synthesized bio-polyols had high hydroxyl number values necessary for bio-polyols to be used for rigid PU foam production.
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28
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In situ-generated arene-ruthenium catalysts bearing cycloalkylamines for the ring-opening metathesis polymerization of norbornene. Catal Today 2021. [DOI: 10.1016/j.cattod.2020.10.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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29
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Mann M, Pauling PJ, Tonkin SJ, Campbell JA, Chalker JM. Chemically Activated SS Metathesis for Adhesive‐Free Bonding of Polysulfide Surfaces. MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202100333] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Maximilian Mann
- Institute for Nanoscale Science and Technology College of Science and Engineering Flinders University Bedford Park South Australia 5042 Australia
| | - Paris J. Pauling
- Institute for Nanoscale Science and Technology College of Science and Engineering Flinders University Bedford Park South Australia 5042 Australia
| | - Samuel J. Tonkin
- Institute for Nanoscale Science and Technology College of Science and Engineering Flinders University Bedford Park South Australia 5042 Australia
| | - Jonathan A. Campbell
- Institute for Nanoscale Science and Technology College of Science and Engineering Flinders University Bedford Park South Australia 5042 Australia
| | - Justin M. Chalker
- Institute for Nanoscale Science and Technology College of Science and Engineering Flinders University Bedford Park South Australia 5042 Australia
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30
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Design and synthesis of some new biologically active amidoalkyl naphthols in the presence of sulfonic acid functionalized silica-coated Fe3O4 nanoparticles. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04610-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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31
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Peng D, Chen C. Photoresponsive Palladium and Nickel Catalysts for Ethylene Polymerization and Copolymerization. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107883] [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)
- Dan Peng
- Hefei National Laboratory for Physical Sciences at the Microscale CAS Key Laboratory of Soft Matter Chemistry Department of Polymer Science and Engineering University of Science and Technology of China Hefei China
| | - Changle Chen
- Hefei National Laboratory for Physical Sciences at the Microscale CAS Key Laboratory of Soft Matter Chemistry Department of Polymer Science and Engineering University of Science and Technology of China Hefei China
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32
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Biermann U, Bornscheuer UT, Feussner I, Meier MAR, Metzger JO. Fatty Acids and their Derivatives as Renewable Platform Molecules for the Chemical Industry. Angew Chem Int Ed Engl 2021; 60:20144-20165. [PMID: 33617111 PMCID: PMC8453566 DOI: 10.1002/anie.202100778] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Indexed: 12/13/2022]
Abstract
Oils and fats of vegetable and animal origin remain an important renewable feedstock for the chemical industry. Their industrial use has increased during the last 10 years from 31 to 51 million tonnes annually. Remarkable achievements made in the field of oleochemistry in this timeframe are summarized herein, including the reduction of fatty esters to ethers, the selective oxidation and oxidative cleavage of C-C double bonds, the synthesis of alkyl-branched fatty compounds, the isomerizing hydroformylation and alkoxycarbonylation, and olefin metathesis. The use of oleochemicals for the synthesis of a great variety of polymeric materials has increased tremendously, too. In addition to lipases and phospholipases, other enzymes have found their way into biocatalytic oleochemistry. Important achievements have also generated new oil qualities in existing crop plants or by using microorganisms optimized by metabolic engineering.
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Affiliation(s)
- Ursula Biermann
- Institute of ChemistryUniversity of Oldenburg26111OldenburgGermany
- abiosuse.V.Bloherfelder Straße 23926129OldenburgGermany
| | - Uwe T. Bornscheuer
- Institute of BiochemistryDept. of Biotechnology & Enzyme CatalysisGreifswald UniversityFelix-Hausdorff-Strasse 417487GreifswaldGermany
| | - Ivo Feussner
- University of GoettingenAlbrecht-von-Haller Institute for Plant SciencesInternational Center for Advanced Studies of Energy Conversion (ICASEC) and Goettingen Center of Molecular Biosciences (GZMB)Dept. of Plant BiochemistryJustus-von-Liebig-Weg 1137077GoettingenGermany
| | - Michael A. R. Meier
- Laboratory of Applied ChemistryInstitute of Organic Chemistry (IOC)Karlsruhe Institute of Technology (KIT)Straße am Forum 776131KarlsruheGermany
- Laboratory of Applied ChemistryInstitute of Biological and Chemical Systems—Functional Molecular Systems (IBCS-FMS)Karlsruhe Institute of Technology (KIT)Hermann-von-Helmholtz-Platz 176344Eggenstein-LeopoldshafenGermany
| | - Jürgen O. Metzger
- Institute of ChemistryUniversity of Oldenburg26111OldenburgGermany
- abiosuse.V.Bloherfelder Straße 23926129OldenburgGermany
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33
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Biermann U, Bornscheuer UT, Feussner I, Meier MAR, Metzger JO. Fettsäuren und Fettsäurederivate als nachwachsende Plattformmoleküle für die chemische Industrie. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100778] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Ursula Biermann
- Institut für Chemie Universität Oldenburg 26111 Oldenburg Deutschland
- abiosuse.V. Bloherfelder Straße 239 26129 Oldenburg Deutschland
| | - Uwe T. Bornscheuer
- Institut für Biochemie Abt. Biotechnologie & Enzymkatalyse Universität Greifswald Felix-Hausdorff-Straße 4 17487 Greifswald Deutschland
| | - Ivo Feussner
- Universität Göttingen Albrecht-von-Haller Institut für Pflanzenwissenschaften International Center for Advanced Studies of Energy Conversion (ICASEC) und Göttinger Zentrum für Molekulare Biowissenschaften (GZMB) Abt. für die Biochemie der Pflanze Justus-von-Liebig-Weg 11 37077 Göttingen Deutschland
| | - Michael A. R. Meier
- Labor für Angewandte Chemie Institut für Organische Chemie (IOC) Karlsruher Institut für Technology (KIT) Straße am Forum 7 76131 Karlsruhe Deutschland
- Labor für Angewandte Chemie Institut für biologische und chemische Systeme –, Funktionale Molekülsysteme (IBCS-FMS) Karlsruher Institut für Technologie (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Deutschland
| | - Jürgen O. Metzger
- Institut für Chemie Universität Oldenburg 26111 Oldenburg Deutschland
- abiosuse.V. Bloherfelder Straße 239 26129 Oldenburg Deutschland
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34
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Peng D, Chen C. Photoresponsive Palladium and Nickel Catalysts for Ethylene Polymerization and Copolymerization. Angew Chem Int Ed Engl 2021; 60:22195-22200. [PMID: 34312948 DOI: 10.1002/anie.202107883] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/20/2021] [Indexed: 11/11/2022]
Abstract
In this contribution, we install an azobenzene functionality in olefin polymerization catalysts and use light to modulate their properties via photoinduced trans-cis isomerization of the azobenzene moiety. The initially targeted azobenzene-functionalized α-diimine palladium and nickel catalysts are not photoresponsive. To address this issue, an imine-amine system bearing interrupted conjugation with the metal center, and a sandwich-type α-diimine system bearing an azobenzene unit at a position covalently far from the metal center were prepared and studied. We demonstrate that light can be used to tune their properties in ethylene polymerization and copolymerization with polar comonomers, enabling light-induced control of the polymerization processes, polymer microstructures and polymer properties. More interestingly, the light-mediated property changes were attributed to ligand electronic effects in one system and ligand steric effects in the other.
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Affiliation(s)
- Dan Peng
- University of Science and Technology of China, Department of Polymer Science and Engineering, CHINA
| | - Changle Chen
- University of Science and Technology of China, Department of Polymer Science & Engineering, Jinzhai Rd 96, 230026, Hefei, CHINA
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35
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Contribution to a Circular Economy Model: From Lignocellulosic Wastes from the Extraction of Vegetable Oils to the Development of a New Composite. Polymers (Basel) 2021; 13:polym13142269. [PMID: 34301027 PMCID: PMC8309261 DOI: 10.3390/polym13142269] [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: 06/04/2021] [Revised: 07/01/2021] [Accepted: 07/06/2021] [Indexed: 12/02/2022] Open
Abstract
The present works focuses on the development of a novel fully bio-based composite using a bio-based high-density polyethylene (Bio-HDPE) obtained from sugar cane as matrix and a by-product of extraction of chia seed oil (CO) as filler, with the objective of achieving a circular economy model. The research aims to revalorize an ever-increasing waste stream produced by the growing interest in vegetable oils. From the technical point of view, the chia seed flour (CSF) was chemically modified using a silane treatment. This treatment provides a better interfacial adhesion as was evidenced by the mechanical and thermal properties as well as field emission scanning electron microscopy (FESEM). The effect of silane treatment on water uptake and disintegration rate was also studied. On the other hand, in a second stage, an optimization of the percentage of treated CSF used as filler was carried out by a complete series of mechanical, thermal, morphological, colour, water absorption and disintegration tests with the aim to evaluate the new composite developed using chia by-products. It is noteworthy as the disintegration rate increased with the addition of CSF filler, which leads to obtain a partially biodegradable wood plastic composite (WPC) and therefore, becoming more environmentally friendly.
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36
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Barkane A, Kampe E, Platnieks O, Gaidukovs S. Cellulose Nanocrystals vs. Cellulose Nanofibers: A Comparative Study of Reinforcing Effects in UV-Cured Vegetable Oil Nanocomposites. NANOMATERIALS 2021; 11:nano11071791. [PMID: 34361176 PMCID: PMC8308285 DOI: 10.3390/nano11071791] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 06/24/2021] [Accepted: 07/06/2021] [Indexed: 11/22/2022]
Abstract
There is an opportunity to use nanocellulose as an efficient renewable reinforcing filler for polymer composites. There have been many investigations to prove the reinforcement concept of different nanocellulose sources for thermoplastic and thermoset polymers. The present comparative study highlighted the beneficial effects of selecting cellulose nanofibers (CNFs) and nanocrystals (CNCs) on the exploitation properties of vegetable oil-based thermoset composite materials—thermal, thermomechanical, and structural characteristics. The proposed UV-light-curable resin consists of an acrylated epoxidized soybean oil polymer matrix and two different nanocellulose reinforcements. High loadings of up to 30 wt% of CNFs and CNCs in irradiation-cured vegetable oil-based thermoset composites were reported. Infrared spectroscopy analysis indicated developed hydrogen-bonding interactions between the nanocellulose and polymer matrix. CNCs yielded a homogeneous nanocrystal dispersion, while CNFs revealed a nanofiber agglomeration in the polymer matrix, as shown by scanning electron microscopy. Thermal degradation showed that nanocellulose reduced the maximum degradation temperature by 5 °C for the 30 wt% CNC and CNF nanocomposites. Above the glass transition temperature at 80 °C, the storage modulus values increased 6-fold and 2-fold for the 30 wt% CNC and CNF nanocomposites, respectively. In addition, the achieved reinforcement efficiency factor r value for CNCs was 8.7, which was significantly higher than that of CNFs of 2.2. The obtained nanocomposites with enhanced properties show great potential for applications such as UV-light-processed coatings, adhesives, and additive manufacturing inks.
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Plant oil-based polymers. PHYSICAL SCIENCES REVIEWS 2021. [DOI: 10.1515/psr-2020-0070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Polymer materials derived from natural resources have gained increasing attention in recent years because of the uncertainties concerning petroleum supply and prices in the future as well as their environmental pollution problems. As one of the most abundant renewable resources, plant oils are suitable starting materials for polymers because of their low cost, the rich chemistry that their triglyceride structure provides, and their potential biodegradability. This chapter covers the structure, modification of triglycerides and their derivatives as well as synthesis of polymers therefrom. The remarkable advances during the last two decades in organic synthesis using plant oils and the basic oleochemicals derived from them are selectively reported and updated. Various methods, such as condensation, radical/cationic polymerization, metathesis procedure, and living polymerization, have also been applied in constructing oil-based polymers. Based on the advance of these changes, traditional polymers such as polyamides, polyesters, and epoxy resins have been renewed. Partial oil-based polymers have already been applied in some industrial areas and recent developments in this field offer promising new opportunities.
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Doley S, Bora A, Saikia P, Ahmed S, Dolui SK. Blending of cyclic carbonate based on soybean oil and glycerol: a non-isocyanate approach towards the synthesis of polyurethane with high performance. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02485-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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39
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Grafting from cellulose nanofibres with naturally-derived oil to reduce water absorption. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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40
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Abolins A, Pomilovskis R, Vanags E, Mierina I, Michalowski S, Fridrihsone A, Kirpluks M. Impact of Different Epoxidation Approaches of Tall Oil Fatty Acids on Rigid Polyurethane Foam Thermal Insulation. MATERIALS 2021; 14:ma14040894. [PMID: 33668608 PMCID: PMC7918627 DOI: 10.3390/ma14040894] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 12/15/2022]
Abstract
A second-generation bio-based feedstock-tall oil fatty acids-was epoxidised via two pathways. Oxirane rings were introduced into the fatty acid carbon backbone using a heterogeneous epoxidation catalyst-ion exchange resin Amberlite IR-120 H or enzyme catalyst Candida antarctica lipase B under the trade name Novozym® 435. High functionality bio-polyols were synthesised from the obtained epoxidated tall oil fatty acids by oxirane ring-opening and subsequent esterification reactions with different polyfunctional alcohols: trimethylolpropane and triethanolamine. The synthesised epoxidised tall oil fatty acids (ETOFA) were studied by proton nuclear magnetic resonance. The chemical structure of obtained polyols was studied by Fourier-transform infrared spectroscopy and size exclusion chromatography. Average molecular weight and polydispersity of polyols were determined from size exclusion chromatography data. The obtained polyols were used to develop rigid polyurethane (PU) foam thermal insulation material with an approximate density of 40 kg/m3. Thermal conductivity, apparent density and compression strength of the rigid PU foams were determined. The rigid PU foams obtained from polyols synthesised using Novozym® 435 catalyst had superior properties in comparison to rigid PU foams obtained from polyols synthesised using Amberlite IR-120 H. The developed rigid PU foams had an excellent thermal conductivity of 21.2-25.9 mW/(m·K).
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Affiliation(s)
- Arnis Abolins
- Polymer Laboratory, Latvian State Institute of Wood Chemistry, Dzerbenes St. 27, LV-1006 Riga, Latvia; (A.A.); (R.P.); (E.V.); (A.F.)
| | - Ralfs Pomilovskis
- Polymer Laboratory, Latvian State Institute of Wood Chemistry, Dzerbenes St. 27, LV-1006 Riga, Latvia; (A.A.); (R.P.); (E.V.); (A.F.)
- Institute of Technology of Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, P. Valdena 3/7 St., LV-1048 Riga, Latvia;
| | - Edgars Vanags
- Polymer Laboratory, Latvian State Institute of Wood Chemistry, Dzerbenes St. 27, LV-1006 Riga, Latvia; (A.A.); (R.P.); (E.V.); (A.F.)
| | - Inese Mierina
- Institute of Technology of Organic Chemistry, Faculty of Materials Science and Applied Chemistry, Riga Technical University, P. Valdena 3/7 St., LV-1048 Riga, Latvia;
| | - Slawomir Michalowski
- Department of Chemistry and Technology of Polymers, Cracow University of Technology, Warszawska 24, 31-155 Cracow, Poland;
| | - Anda Fridrihsone
- Polymer Laboratory, Latvian State Institute of Wood Chemistry, Dzerbenes St. 27, LV-1006 Riga, Latvia; (A.A.); (R.P.); (E.V.); (A.F.)
| | - Mikelis Kirpluks
- Polymer Laboratory, Latvian State Institute of Wood Chemistry, Dzerbenes St. 27, LV-1006 Riga, Latvia; (A.A.); (R.P.); (E.V.); (A.F.)
- Correspondence:
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41
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Liu J, Wang S, Peng Y, Zhu J, Zhao W, Liu X. Advances in sustainable thermosetting resins: From renewable feedstock to high performance and recyclability. Prog Polym Sci 2021. [DOI: 10.1016/j.progpolymsci.2020.101353] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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42
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Masson GHC, Cruz TR, Gois PDS, Martins DM, Lima-Neto BS, Oliveira GS, Machado AEH, Bernardo-Gusmão K, Goi BE, Carvalho-Jr VP. Ruthenium–nickel heterobimetallic complex as a bifunctional catalyst for ROMP of norbornene and ethylene polymerization. NEW J CHEM 2021. [DOI: 10.1039/d1nj01498f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A new multifunctional Ru–Ni heterobimetallic catalyst for ROMP and ethylene polymerization.
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43
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Lim SJ, Kim DS. Effect of functionality and content of epoxidized soybean oil on the physical properties of a modified diglycidyl ether of bisphenol A resin system. J Appl Polym Sci 2020. [DOI: 10.1002/app.50441] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Seok Jin Lim
- Department of Chemical Engineering Chungbuk National University Cheongju South Korea
| | - Dae Su Kim
- Department of Chemical Engineering Chungbuk National University Cheongju South Korea
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44
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Sun QF, Zheng YC, Chen Q, Xu JH, Pan J. Engineering of an oleate hydratase for efficient C10-Functionalization of oleic acid. Biochem Biophys Res Commun 2020; 537:64-70. [PMID: 33387884 DOI: 10.1016/j.bbrc.2020.12.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 12/13/2020] [Indexed: 12/18/2022]
Abstract
Oleate hydratase catalyzes the hydration of unsaturated fatty acids, giving access to C10-functionalization of oleic acid. The resultant 10-hydroxystearic acid is a key material for the synthesis of many biomass-derived value-added products. Herein, we report the engineering of an oleate hydratase from Paracoccus aminophilus (PaOH) with significantly improved catalytic efficiency (from 33 s-1 mM-1 to 119 s-1 mM-1), as well as 3.4 times increased half-life at 30 °C. The structural mechanism regarding the impact of mutations on the improved catalytic activity and thermostability was elucidated with the aid of molecular dynamics simulation. The practical feasibility of the engineered PaOH variant F233L/F122L/T15 N was demonstrated through the pilot synthesis of 10-hydroxystearic acid and 10-oxostearic acid via an optimized multi-enzymatic cascade reaction, with space-time yields of 540 g L-1 day-1 and 160 g L-1 day-1, respectively.
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Affiliation(s)
- Qi-Fan Sun
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, China
| | - Yu-Cong Zheng
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, China
| | - Qi Chen
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, China; State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing and Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, China
| | - Jian-He Xu
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, China; State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing and Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, China.
| | - Jiang Pan
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing, East China University of Science and Technology, Shanghai 200237, China; State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Centre for Biomanufacturing and Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, China.
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45
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Assessing the Camelina (Camelina sativa (L.) Crantz) Seed Harvesting Using a Combine Harvester: A Case-Study on the Assessment of Work Performance and Seed Loss. SUSTAINABILITY 2020. [DOI: 10.3390/su13010195] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The growing demand in food and non-food industries for camelina oil is driving the interest of farmers and contractors in investing in such feedstock. Nonetheless, the cost, performance and critical aspects related to the harvesting stage are still not properly investigated. In the present study, an ad-hoc test was performed in Spain in order to fulfill this gap. The results support the hypothesis to harvest camelina seeds with the same combine harvester used for cereal harvesting without further investment. Theoretical field capacity (TFC), effective field capacity (EFC), material capacity (MC), and field efficiency (FE) were 4.34 ha h−1, 4.22 ha h−1, 4.66 Mg h−1 FM, and 97.24%, respectively. The harvesting cost was estimated in 48.51 € ha−1. Approximately, the seed loss of 0.057 ± 0.028 Mg ha−1 FM was due to the impact of the combine harvester header and dehiscence of pods, whilst 0.036 ± 0.006 Mg ha−1 FM of seeds were lost due to inefficiency of the threshing system of the combine harvester. Adjustment of the working speed of the combine and the rotation speed of the reel may help to reduce such loss.
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46
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Chakraborty I, Chatterjee K. Polymers and Composites Derived from Castor Oil as Sustainable Materials and Degradable Biomaterials: Current Status and Emerging Trends. Biomacromolecules 2020; 21:4639-4662. [PMID: 33222440 DOI: 10.1021/acs.biomac.0c01291] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Recent years have seen rapid growth in utilizing vegetable oils to derive a wide variety of polymers to replace petroleum-based polymers for minimizing environmental impact. Nonedible castor oil (CO) can be extracted from castor plants that grow easily, even in an arid land. CO is a promising source for developing several polymers such as polyurethanes, polyesters, polyamides, and epoxy-polymers. Several synthesis routes have been developed, and distinct properties of polymers have been studied for industrial applications. Furthermore, fillers and fibers, including nanomaterials, have been incorporated in these polymers for enhancing their physical, thermal, and mechanical properties. This review highlights the development of CO-based polymers and their composites with attractive properties for industrial and biomedical applications. Recent advancements in CO-based polymers and their composites are presented along with a discussion on future opportunities for further developments in diverse applications.
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Affiliation(s)
- Indranil Chakraborty
- Department of Materials Engineering, Indian Institute of Science, Bengaluru, Karnataka, India 560012
| | - Kaushik Chatterjee
- Department of Materials Engineering, Indian Institute of Science, Bengaluru, Karnataka, India 560012
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47
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Fu Q, Tan J, Wang F, Zhu X. Study on the Synthesis of Castor Oil-Based Plasticizer and the Properties of Plasticized Nitrile Rubber. Polymers (Basel) 2020; 12:E2584. [PMID: 33153151 PMCID: PMC7693739 DOI: 10.3390/polym12112584] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/25/2020] [Accepted: 10/28/2020] [Indexed: 11/16/2022] Open
Abstract
A series of new environment-friendly plasticizers was synthesized from castor oil and used to plasticize nitrile rubber (NBR). The test results showed that tensile strength, elongation at break, and tear strength of NBR vulcanizates plasticized by castor oil-based plasticizers were found to be better than that of dioctyl phthalate (DOP). The aging test taken demonstrated that the castor oil-based plasticizers could improve the hot air and oil aging resistance of NBR vulcanizates. The thermal stability test illustrated that castor oil-based plasticizers enhanced the thermal stability of NBR vulcanizates, and the initial decomposition temperatures (T10%) were about 100 °C higher than that of DOP. In general, the studies manifested that EACO and EBCO can replace DOP to plasticize NBR and are used in fields that require high mechanical properties, aging resistance, and thermal stability. This study emphasizes the effects of sustainable, cost-effective, and high-efficiency plasticizers on NBR.
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Affiliation(s)
- Qinghe Fu
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; (Q.F.); (J.T.)
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Jihuai Tan
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; (Q.F.); (J.T.)
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Fang Wang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; (Q.F.); (J.T.)
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Xinbao Zhu
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; (Q.F.); (J.T.)
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
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48
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Fernandes H, Filgueiras JG, de Azevedo ER, Lima-Neto BS. Real time monitoring by time-domain NMR of ring opening metathesis copolymerization of norbornene-based red palm olein monomer with norbornene. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.110048] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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49
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Laverdura UP, Rossi L, Ferella F, Courson C, Zarli A, Alhajyoussef R, Gallucci K. Selective Catalytic Hydrogenation of Vegetable Oils on Lindlar Catalyst. ACS OMEGA 2020; 5:22901-22913. [PMID: 32954139 PMCID: PMC7495778 DOI: 10.1021/acsomega.0c02280] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 07/31/2020] [Indexed: 05/28/2023]
Abstract
Selective hydrogenation of vegetable oils is a significant step in the synthesis of several precursors for the preparation of bioplastics and biodiesel. In this work, a commercial Lindlar catalyst (palladium on calcium carbonate; poisoned with lead) was used as an efficient catalyst in the selective partial hydrogenation of canola and sunflower oils. Different operating conditions (pressure, temperature, and catalyst amount) were tested, and results were achieved by gas chromatography analysis of methyl esters obtained by the transesterification of the triglycerides. The optimized reaction conditions (0.4 MPa, 180 °C, 4 mgcatalyst/mLoil) were determined for the hydrogenation of linoleic acid (C18:2) and linolenic acid (C18:3) with 84.6 and 90.1% of conversion, respectively, into 88.4% relative percentage of oleic acid (C18:1) with low formation of C18:0 (stearic), below 10%, with stability of the catalyst during several cycles with maximum C18:1 relative percentage ranging between 86.6 and 80.7%.
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Affiliation(s)
- Umberto Pasqual Laverdura
- Università
degli studi dell’Aquila DIIIE, via G. Gronchi 18 Nucleo Industriale di Pile, 67100 L’Aquila, Italy
- ICPEES, Université de Strasbourg, 25 rue Becquerel, 67087 Strasbourg Cedex 2, France
| | - Leucio Rossi
- Università degli studi dell’Aquila
DSFC, via Vetoio, 67100 L’Aquila, Italy
| | - Francesco Ferella
- Università
degli studi dell’Aquila DIIIE, via G. Gronchi 18 Nucleo Industriale di Pile, 67100 L’Aquila, Italy
| | - Claire Courson
- ICPEES, Université de Strasbourg, 25 rue Becquerel, 67087 Strasbourg Cedex 2, France
| | | | - Rasha Alhajyoussef
- Università
degli studi dell’Aquila DIIIE, via G. Gronchi 18 Nucleo Industriale di Pile, 67100 L’Aquila, Italy
| | - Katia Gallucci
- Università
degli studi dell’Aquila DIIIE, via G. Gronchi 18 Nucleo Industriale di Pile, 67100 L’Aquila, Italy
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50
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Scholten PBV, Moatsou D, Detrembleur C, Meier MAR. Progress Toward Sustainable Reversible Deactivation Radical Polymerization. Macromol Rapid Commun 2020; 41:e2000266. [PMID: 32686239 DOI: 10.1002/marc.202000266] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/23/2020] [Indexed: 12/14/2022]
Abstract
The recent focus of media and governments on renewability, green chemistry, and circular economy has led to a surge in the synthesis of renewable monomers and polymers. In this review, focussing on renewable monomers for reversible deactivation radical polymerizations (RDRP), it is highlighted that for the majority of the monomers and polymers reported, the claim to renewability is not always accurate. By closely examining the sustainability of synthetic routes and the renewability of starting materials, fully renewable monomers are identified and discussed in terms of sustainability, polymerization behavior, and properties obtained after polymerization. The holistic discussion considering the overall preparation process of polymers, that is, monomer syntheses, origin of starting materials, solvents used, the type of RDRP technique utilized, and the purification method, allows to highlight certain topics which need to be addressed in order to progress toward not only (partially) renewable, but sustainable monomers and polymers using RDRPs.
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Affiliation(s)
- Philip B V Scholten
- Center for Education and Research on Macromolecules, CESAM Research Unit, Department of Chemistry, University of Liege, Sart-Tilman B6a, Liege, 4000, Belgium.,Karlsruhe Institute of Technology, Institute of Organic Chemistry, Materialwissenschaftliches Zentrum MZE, Straße am Forum 7, Karlsruhe, 76131, Germany
| | - Dafni Moatsou
- Karlsruhe Institute of Technology, Institute of Organic Chemistry, Materialwissenschaftliches Zentrum MZE, Straße am Forum 7, Karlsruhe, 76131, Germany
| | - Christophe Detrembleur
- Center for Education and Research on Macromolecules, CESAM Research Unit, Department of Chemistry, University of Liege, Sart-Tilman B6a, Liege, 4000, Belgium
| | - Michael A R Meier
- Karlsruhe Institute of Technology, Institute of Organic Chemistry, Materialwissenschaftliches Zentrum MZE, Straße am Forum 7, Karlsruhe, 76131, Germany.,Laboratory of Applied Chemistry, Institute of Toxicology and Genetics, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen, 76344, Germany
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