文献类型：期刊文献

英文题名：Renewable bio-based adhesive fabricated from a novel biopolymer and soy protein

作者：Chen, Shiqing[1] Chen, Yuan[1] Wang, Zongtao[1] Chen, Huan[1] Fan, Dongbin[1]

第一作者：Chen, Shiqing

通信作者：Fan, DB[1]|[a0005c9807e2805d84556]范东斌;

机构：[1]Chinese Acad Forestry, Res Inst Wood Ind, Beijing 100091, Peoples R China

年份：2021

卷号：11

期号：19

起止页码：11724-11731

外文期刊名：RSC ADVANCES

收录：;EI(收录号：20211310145151);Scopus(收录号：2-s2.0-85103178550);WOS:【SCI-EXPANDED(收录号:WOS:000631974000060)】；

基金：This work was financially supported by the National Key Research and Development Program of China [2016YFD060070502].

语种：英文

外文关键词：Biomolecules - Biosynthesis - Composite materials - Enzymatic hydrolysis - Fabrication - Fourier transform infrared spectroscopy - Green manufacturing - Plywood - Scanning electron microscopy - Soybean oil - Thermogravimetric analysis - Wood products

摘要：In this study, a bio-based soy protein adhesive derived from environmentally friendly and renewable enzymatic hydrolysis lignin (EHL), epoxidized soybean oil (ESO), and soy protein isolate (SPI), was successfully prepared. A novel biopolymer (EHL-ESO), as a multifunctional crosslinker, was firstly synthesized from modified EHL and ESO, and then crosslinked with soy protein isolate to obtain a bio-based soy protein adhesive. The structure, thermal properties, and adhesion performance of the obtained soy protein adhesives were determined by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and wet shear strength. The maximum degradation temperature of SPI/EHL-ESO adhesives (332-343 degrees C) was higher than that of the pristine SPI adhesive (302 degrees C). Moreover, plywood bonded by the modified adhesive reached a maximum wet shear strength value of 1.07 MPa, a significant increase of 101.8% from the plywood bonded by pristine SPI adhesive. The enhancements in the thermal stability and wet shear strength were attributed to the formation of a dense crosslinking network structure. This work not only highlights the potential to replace petroleum-based polymers, but also presents a green approach to fabricate fully bio-based soy protein adhesive for preparing all-biomass wood composite materials.