Bio-Based Epoxy Vitrimers with Excellent Properties of Self-Healing, Recyclability, and Welding

被引：6
作者：
Xia, Jianrong [1 ,2 ]
Li, Shuyun [1 ,2 ]
Gao, Renjin [1 ]
Zhang, Yuchi [1 ]
Wang, Liwei [1 ]
Ye, Yuansong [1 ]
Cao, Changlin [2 ]
Xue, Hanyu [1 ]
机构：
[1] Minjiang Univ, Fujian Engn & Res Ctr New Chinese Lacquer Mat, Fujian Key Lab Funct Marine Sensing Mat, Fuzhou 350108, Peoples R China
[2] Fujian Normal Univ, Coll Environm & Resource Sci, Fuzhou 350117, Peoples R China
来源：
POLYMERS | 2024年 / 16卷 / 15期
关键词：
bio-based epoxy vitrimer; transesterification; recycling; cardanol; vanillyl alcohol; NATURAL-RUBBER; POLYMERS; NETWORKS; CARDANOL; PROGRESS; BONDS;
D O I：
10.3390/polym16152113
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The development of more recyclable materials is a key requirement for a transition towards a more circular economy. Thanks to exchange reactions, vitrimer, an attractive alternative for recyclable materials, is an innovative class of polymers that is able to change its topology without decreasing its connectivity. In this work, a bisphenol compound (VP) was prepared from saturated cardanol, i.e., 3-pentadecylphenol and vanillyl alcohol. Then, VP was epoxidized to obtain epoxide (VPGE). Finally, VPGE and citric acid (CA) were polymerized in the presence of catalyst TBD to prepare a fully bio-based vitrimer based on transesterification. The results from differential scanning calorimetry (DSC) showed that the VPGE/CA system could be crosslinked at around 163 degrees C. The cardanol-derived vitrimers had good network rearrangement properties. Meanwhile, because of the dynamic structural elements in the network, the material was endowed with excellent self-healing, welding, and recyclability.
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页数：13
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