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Biodegradable and biocompatible supramolecular polymers based on poly(ε-caprolactone-co-δ-valerolactone)-b-poly(lactide) block copolymers with different branched structures: Synthesis, crystallization and properties. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111637] [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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2
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Jia S, Han L, Chen Y, Pan H, Wang X, Zhang H, Dong L, Zhang H. Effect of initial crystallization on microstructure and mechanical properties of uniaxially pre-stretched poly(L-lactic acid). POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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3
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Wang G, Song J. Synthesis and characterization of bio‐based polyesters derived from 1,10‐decanediol. J Appl Polym Sci 2021. [DOI: 10.1002/app.51163] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Guoqiang Wang
- College of Material Science and Engineering Jilin Jianzhu University Changchun China
| | - Jiaqi Song
- College of Material Science and Engineering Jilin Jianzhu University Changchun China
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Safari M, Otaegi I, Aramburu N, Guerrica-Echevarria G, de Ilarduya AM, Sardon H, Müller AJ. Synthesis, Structure, Crystallization and Mechanical Properties of Isodimorphic PBS- ran-PCL Copolyesters. Polymers (Basel) 2021; 13:polym13142263. [PMID: 34301021 PMCID: PMC8309441 DOI: 10.3390/polym13142263] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 12/04/2022] Open
Abstract
Isodimorphic behavior is determined by partial inclusion of comonomer segments within the crystalline structure and arises from the comparatively similar repeating chain units of the parental homopolymers. Isodimorphic random copolymers are able to crystallize irrespective of their composition and exhibit a pseudo-eutectic behavior when their melting point values are plotted as a function of comonomer content. At the pseudo-eutectic point or region, two crystalline phases can coexist. On the right-hand and the left-hand side of the pseudo-eutectic point or region, only one single crystalline phase can form which is very similar to the crystalline structures of the parent homopolymers. This article aims to study the synthesis method, structure, crystallization behavior and mechanical properties of isodimorphic random PBS-ran-PCL copolyesters. Moreover, this study provides a comprehensive analysis of our main recent results on PBS-ran-PCL random copolyesters with three different molecular weights. The results show that the comonomer composition and crystallization conditions are the major factors responsible for the crystalline morphology, crystallization kinetics and mechanical performance of isodimorphic random copolyesters. Our studies demonstrate that in the pseudo-eutectic region, where both crystalline phases can coexist, the crystallization conditions determine the crystalline phase or phases of the copolymer. The relationships between the comonomer composition and mechanical properties are also addressed in this work.
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Affiliation(s)
- Maryam Safari
- 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; (M.S.); (I.O.); (N.A.); (G.G.-E.); (H.S.)
| | - Itziar Otaegi
- 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; (M.S.); (I.O.); (N.A.); (G.G.-E.); (H.S.)
| | - Nora Aramburu
- 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; (M.S.); (I.O.); (N.A.); (G.G.-E.); (H.S.)
| | - Gonzalo Guerrica-Echevarria
- 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; (M.S.); (I.O.); (N.A.); (G.G.-E.); (H.S.)
| | - Antxon Martínez de Ilarduya
- Departament d’Enginyeria Química, L’Escola Tècnica Superior d’Enginyeria Industrial de Barcelona (ETSEIB), Universitat Politècnica de Catalunya, Diagonal 647, 08028 Barcelona, Spain;
| | - Haritz Sardon
- 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; (M.S.); (I.O.); (N.A.); (G.G.-E.); (H.S.)
| | - 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; (M.S.); (I.O.); (N.A.); (G.G.-E.); (H.S.)
- IKERBASQUE, Basque Foundation for Science, Plaza Euskadi 5, 48009 Bilbao, Spain
- Correspondence: ; Tel.: +34-943-018-191
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Zahir L, Kida T, Tanaka R, Nakayama Y, Shiono T, Kawasaki N, Yamano N, Nakayama A. Synthesis of thermoplastic elastomers with high biodegradability in seawater. Polym Degrad Stab 2021. [DOI: 10.1016/j.polymdegradstab.2020.109467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Synthesis, Properties, and Biodegradability of Thermoplastic Elastomers Made from 2-Methyl-1,3-propanediol, Glutaric Acid and Lactide. Life (Basel) 2021; 11:life11010043. [PMID: 33445658 PMCID: PMC7828133 DOI: 10.3390/life11010043] [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: 12/23/2020] [Revised: 01/05/2021] [Accepted: 01/08/2021] [Indexed: 12/01/2022] Open
Abstract
An innovative type of biodegradable thermoplastic elastomers with improved mechanical properties from very common and potentially renewable sources, poly(L-lactide)-b-poly(2-methyl-1,3-propylene glutarate)-b-poly(L-lactide) (PLA-b-PMPG-b-PLA)s, has been developed for the first time. PLA-b-PMPG-b-PLAs were synthesized by polycondensation of 2-methyl-1,3-propanediol and glutaric acid and successive ring-opening polymerization of L-lactide, where PMPG is an amorphous central block with low glass transition temperature and PLA is hard semicrystalline terminal blocks. The copolymers showed glass transition temperature at lower than −40 °C and melting temperature at 130–152 °C. The tensile tests of these copolymers were also performed to evaluate their mechanical properties. The degradation of the copolymers and PMPG by enzymes proteinase K and lipase PS were investigated. Microbial biodegradation in seawater was also performed at 27 °C. The triblock copolymers and PMPG homopolymer were found to show 9–15% biodegradation within 28 days, representing their relatively high biodegradability in seawater. The macromolecular structure of the triblock copolymers of PLA and PMPG can be controlled to tune their mechanical and biodegradation properties, demonstrating their potential use in various applications.
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Jin C, Leng X, Zhang M, Wang Y, Wei Z, Li Y. Fully biobased biodegradable poly(
l
‐lactide)‐
b
‐poly(ethylene brassylate)‐
b
‐poly(
l
‐lactide) triblock copolymers: synthesis and investigation of relationship between crystallization morphology and thermal properties. POLYM INT 2020. [DOI: 10.1002/pi.5958] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Chenhao Jin
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Xuefei Leng
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Manwen Zhang
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Yanshai Wang
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Zhiyong Wei
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Yang Li
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
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