文献类型：期刊文献

英文题名：A multiple cross-linking strategy to develop an environment-friendly and water resistance wheat gluten protein wood adhesive

作者：Cheng, Zenghui[1,2] Ye, Ren[1,2] Shi, Xiaoyu[1,2] Lai, Chenhuan[2] Gao, Shishuai[1,2] Zhang, Daihui[1,2] Xu, Yuzhi[1,2] Wang, Chunpeng[1,2] Chu, Fuxiang[1,2]

第一作者：程增会;Cheng, Zenghui

通信作者：Zhang, DH[1];Lai, CH[2];Zhang, DH[2]

机构：[1]Chinese Acad Forestry, Natl Engn Lab Biomass Chem Utilizat, Key Lab Chem Engn Forest Prod, Inst Chem Ind Forest Prod,Natl Forestry & Grasslan, Nanjing 210042, Jiangsu, Peoples R China;[2]Nanjing Forestry Univ, Coll Chem Engn, Jiangsu Coinnovat Ctr Efficient Proc & Utilizat Fo, Nanjing 210037, Jiangsu, Peoples R China

年份：2024

卷号：257

外文期刊名：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES

收录：;EI(收录号：20235115252915);Scopus(收录号：2-s2.0-85179886100);WOS:【SCI-EXPANDED(收录号:WOS:001139109400001)】；

基金：This work was supported by the Jiangsu Province Biomass Energy and Materials Laboratory (JSBEM-S-202321) , National Natural Science Foundation (32271809) and the National Key Research and Develop- ment Program of China (2022YFD2200701) .

语种：英文

外文关键词：Wood adhesives; Wheat gluten protein; Tannin; Cross -linking; Water resistance

摘要：Wheat gluten (WG) shows great promise to synthesize environment-friendly wood adhesives. However, their weak bonding strength and poor water resistance have limited its application in the commercial wood-based panel industry. In this study, a novel WG-based adhesive was developed by constructing a multiple crosslinking network generated by covalent and non-covalent bonds. The potential mechanism was revealed by FTIR analysis. Furthermore, their surface morphology, thermal stability, viscosity, and residual rate of adhesives with different compositions were systematically characterized and compared. The results showed that the hydrogen bonding, reactions between amine groups and tannin, and ring opening reaction of epoxy, synergistically contributed to generate a highly crosslinked network. The wet/boil water strength of the plywood prepared from WG/tannin/ethylene imine polymer (PEI)-glycerol triglycidyl ether (GTE) adhesive with the addition of 15 % GTE could reach 1.21 MPa and 1.20 MPa, respectively, and a mildew resistance ability was observed. This study provides a facile strategy to fabricate high-performance plant protein-based adhesives with desirable water resistance for practical application.