Aliphatic polycarbonate diol; Biobased polymers; Gas barrier properties; Poly(ethylene 2,5-furandicarboxylate); Toughening; Aliphatic polycarbonate; Barrier performance; Bio-based polymers; Gas barrier; High-strength; Poly(ethylenes); Polycarbonate diols; Organic Chemistry; Polymers and Plastics; Materials Chemistry
Abstract :
[en] Poly(ethylene 2,5-furandicarboxylate) (PEF) is a promising biobased polymer possessing high strength, rigidity and gas barrier performance, but its poor ductility and toughness may limit its practical applications. In order to obtain PEF materials with improved ductility and impact toughness as well as high strength, modulus and excellent gas barrier performance, PEF with relatively low molecular weight was modified with aliphatic polycarbonate (APC) diols by chain extension/coupling in this study. The resulting products were mixtures composed of randomly segmented copolymers, chain extended APC and chain extended PEF. The APC moiety was proved to be partially miscible with the PEF matrix, and therefore plasticized the PEF matrix and promoted its cold crystallization. In comparison with PEF, the modified PEFs possess significantly enhanced tensile ductility and impact toughness. Particularly, the modified PEF containing 15 wt% poly(hexamethylene carbonate) exhibits balanced mechanical properties and CO2 barrier 5 times to PET.
Research center :
CIRMAP - Centre d'Innovation et de Recherche en Matériaux Polymères
Disciplines :
Materials science & engineering
Author, co-author :
Xie, Hongzhou; Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China ; State Key Laboratory of Chemical Engineering at ZJU, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China ; Research & Development Institute of Chemical Technology, Wuhuan Engineering Co., Ltd., Wuhan, China
Meng, Hongxu; Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China ; State Key Laboratory of Chemical Engineering at ZJU, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
Wu, Linbo ; Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China ; State Key Laboratory of Chemical Engineering at ZJU, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
Li, Bo-Geng; State Key Laboratory of Chemical Engineering at ZJU, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
Funders :
National Natural Science Foundation of China
Funding text :
This work was supported by the National Natural Science Foundation of China (51773177), State Key Laboratory of Chemical Engineering (No. SKL-ChE-18D02), and 151 Talents Project of Zhejiang Province. The authors also thank Mrs Li Xu, Qun Pu, Na Zheng, Sunyun Jie and Mr. Jijiang Hu and Eryuan Fang for their assistance in preparing the specimens and performing the measurements at State Key Laboratory of Chemical Engineering (Zhejiang University).This work was supported by the National Natural Science Foundation of China ( 51773177 ), State Key Laboratory of Chemical Engineering (No. SKL-ChE-18D02), and 151 Talents Project of Zhejiang Province. The authors also thank Mrs Li Xu, Qun Pu, Na Zheng, Sunyun Jie and Mr. Jijiang Hu and Eryuan Fang for their assistance in preparing the specimens and performing the measurements at State Key Laboratory of Chemical Engineering (Zhejiang University).
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