a.Advanced Materials Research Institute, North China Electric Power University, Beijing 102206, China
b.Institute of Low-Dimensional Materials Genome Initiative, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
c.Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
d.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
guobing2020@hit.edu.cn (B.G.)
xuezy@ncepu.edu.cn (Z.Y.X.)
czzhu@szu.edu.cn (C.Z.Z.)
收稿:2023-06-16,
修回:2023-7-21,
录用:2023-8-3,
网络首发:2023-09-20,
纸质出版:2024-01-01
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Zhao, C. B.; Feng, L. K.; Xie, H; Wang, M. L.; Guo, B.; Xue, Z. Y.; Zhu, C. Z.; Xu, J. High-performance recyclable furan-based epoxy resin and its carbon fiber composites with dense hydrogen bonding. Chinese J. Polym. Sci. 2024, 42, 73–86
Chang-Bo Zhao, Lu-Kun Feng, Hui Xie, et al. High-Performance Recyclable Furan-based Epoxy Resin and Its Carbon Fiber Composites with Dense Hydrogen Bonding[J]. Chinese Journal of Polymer Science, 2024, 42(1): 73-86.
Zhao, C. B.; Feng, L. K.; Xie, H; Wang, M. L.; Guo, B.; Xue, Z. Y.; Zhu, C. Z.; Xu, J. High-performance recyclable furan-based epoxy resin and its carbon fiber composites with dense hydrogen bonding. Chinese J. Polym. Sci. 2024, 42, 73–86 DOI: 10.1007/s10118-023-3045-9.
Chang-Bo Zhao, Lu-Kun Feng, Hui Xie, et al. High-Performance Recyclable Furan-based Epoxy Resin and Its Carbon Fiber Composites with Dense Hydrogen Bonding[J]. Chinese Journal of Polymer Science, 2024, 42(1): 73-86. DOI: 10.1007/s10118-023-3045-9.
A new monomer (FCN) containing furan and Schiff base structure was designed to formulate recyclable and high-performance epoxy resins with high density of hydrogen bonding
while the resin performance was further examined in carbon-fiber composites.
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.
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