文献类型：期刊文献

英文题名：Recyclable, photothermal dual responsive shape memory epoxy vitrimers containing dynamic oxime-carbamate bonds, dynamic ester bonds and hydrogen bonds based on vegetable oil

作者：Xie, Xiaoqi[1,2,3,4] Li, Shouhai[1,2,3,4] Li, Mei[1,2,3,4] Ding, Haiyang[1,2,3,4] Lin, Mingtao[1,2,3,4] Xu, Lina[1,2,3,4] Yao, Na[1,2,3,4] Feng, Qingyuan[1,2,3,4] Yang, Xiaohua[1,2,3,4] Feng, Xiao[1,2,3,4] Zhang, Yan[1,2,3,4] Xing, Yi[1,2,3,4]

第一作者：Xie, Xiaoqi

通信作者：Li, SH[1];Li, M[1]

机构：[1]Chinese Acad Forestry, Inst Chem Ind Forest Prod, Natl Key Lab Dev & Utilizat Forest Food Resources, Nanjing 210042, Peoples R China;[2]Chinese Acad Forestry, Inst Chem Ind Forest Prod, Nanjing 210042, Peoples R China;[3]Natl Forestry & Grassland Adm, Natl Engn Res Ctr Low Carbon Proc & Utilizat Fores, Key Lab Biomass Energy & Mat, Key Lab Chem Engn Forest Prod, Nanjing 210042, Jiangsu, Peoples R China;[4]Jiangsu Coinnovat Ctr Efficient Proc & Utilizat Fo, Int Innovat Ctr Forest Chem & Mat, Nanjing 210042, Peoples R China

年份：2025

卷号：521

外文期刊名：CHEMICAL ENGINEERING JOURNAL

收录：;EI(收录号：20253118913126);Scopus(收录号：2-s2.0-105012136881);WOS:【SCI-EXPANDED(收录号:WOS:001583236600012)】；

基金：This work was sponsored by Special Fund for Basic Scientific Research Business of the Chinese Academy of Forestry (CAFYBB2020SZ007) , Key Lab. of Biomass Energy and Material, Jiangsu Province (JSBEM-S-202206) , National Natural Science Foundation of China (31971598) , Natural Science Foundation of Jiangsu Province (BK20221195) , and Zhejiang Forestry Administration (2022SY15) .

语种：英文

外文关键词：Vegetable oil-based; Oleic acid; Epoxy vitrimers; Dual responsive shape memory; Reprocessability

摘要：The utilization of natural and renewable vegetable oil resources for development of multi-functional polymer materials aligns with the expanding practical application requirements and adheres to sustainable development strategies. Here, 3 different novel vegetable oil-based active prepolymers containing carboxyl groups, quinone oxime, isocyanate (NCO), and oxime-carbamate structures were synthesized using oleic acid as the raw material. Then a series of vegetable oil-based epoxy vitrimers were constructed via crosslinking polymerization with epoxy resin. The molecular structure, mechanical properties, and thermal characteristics of the fabricated vitrimers were systematically investigated, and their reprocessability and photothermal dual responsive shape memory behavior were also analyzed in detail. The resulting polymers exhibit superior controllable mechanical properties, and display outstanding reprocessability without the addition of a catalyst. The dynamic threedimensional cross-linking networks formed by dynamic oxime-carbamate, dynamic ester bonds and hydrogen bonds endow the polymerization systems with exceptional reprocessability. The incorporation of quinone oxime groups within the polymerization systems endows the polymers with excellent photothermal dual-response shape memory performance. The superior adhesion and repair capabilities make the polymers suitable for use as reusable adhesives. The polymers developed here hold significant potential for applications in medical, electronic, and other fields.