首页|High-Performance Recyclable Furan-based Epoxy Resin and Its Carbon Fiber Composites with Dense Hydrogen Bonding

High-Performance Recyclable Furan-based Epoxy Resin and Its Carbon Fiber Composites with Dense Hydrogen Bonding

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The emerging biomass-based epoxy vitrimers hold great potential to fulfill the requirements for sustainable development of society.Since the existence of dynamic chemical bonds in vitrimers often reduces both the thermal and mechanical properties of epoxy resins,it is challenging to produce recyclable epoxy vitrimers with both excellent mechanical properties and good thermal stability.Herein,a monomer 4-(((5-(hydroxymethyl)furan-2-yl)methylene)amino)phenol(FCN)containing furan ring with potential to form high density of hydrogen bonding among repeating units is designed and copolymerized with glycerol triglycidyl ether to yield epoxy resin(FCN-GTE),which intrinsically has dual hydrogen bond networks,dynamic imine structure and resultant high performance.Importantly,as compared to the BPA-GTE,the FCN-GTE exhibits significantly improved mechanical properties owing to the increased density of hydrogen bond network and physical crosslinking interaction.Furthermore,density functional theory(DFT)calculation and in situ FTIR analysis is conducted to decipher the formation mechanism of hydrogen bond network.In addition,the FCN-GTE possesses superior UV shielding,chemical degradation,and recyclability because of the existence of abundant imine bonds.Notably,the FCN-GTE-based carbon fiber composites could be completely recycled in an amine solution.This study provides a facile strategy for synthesizing recyclable biomass-based high-performance epoxy vitrimers and carbon fiber composites.

FuranHydrogen bond networkDynamic Schiff baseCarbon fiber compositesRecycling

Chang-Bo Zhao、Lu-Kun Feng、Hui Xie、Ming-Liang Wang、Bing Guo、Zhi-Yong Xue、Cai-Zhen Zhu、Jian Xu

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Advanced Materials Research Institute,North China Electric Power University,Beijing 102206,China

Institute of Low-Dimensional Materials Genome Initiative,College of Chemistry and Environmental Engineering,Shenzhen University,Shenzhen 518060,China

Chengdu Institute of Organic Chemistry,Chinese Academy of Sciences,Chengdu 610041,China

School of Science and Shenzhen Key Laboratory of Flexible Printed Electronics Technology,and Shenzhen Key Laboratory of Advanced Functional Carbon Materials Research and Comprehensive Application,Harbin Institute of Technology,Shenzhen 518055,China

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国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金Key-Area Research and Development Program of Guangdong ProvinceKey-Area Research and Development Program of Guangdong Province广东省自然科学基金Program for Guangdong Introducing Innovative and Entrepreneurial Teams深圳市科技计划深圳市科技计划深圳市科技计划startup fund of Shenzhen University广东省自然科学基金广东省自然科学基金Science and Technology Innovation Commission of Shenzhen,ChinaScience and Technology Innovation Commission of Shenzhen,ChinaStartup Grant at Harbin Institute of Technology(Shenzhen),ChinaStartup Grant at Harbin Institute of Technology(Shenzhen),ChinaShenzhen Key Laboratory of Advanced Functional Carbon Materials Research and Comprehensive Application

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2024

10.1007/s10118-023-3045-9

高分子科学(英文版)
中国化学会　中国科学院化学研究所

高分子科学(英文版)

CSTPCD
影响因子：0.721
ISSN：0256-7679
年,卷(期)：2024.42(1)
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