A cold-set wood adhesive based on soy protein

被引：24
|
作者：
Mousavi, Seyyed Yahya [1 ]
Huang, Jian [2 ]
Li, Kaichang [2 ]
机构：
[1] Oregon State Univ, Dept Wood Sci & Engn, Corvallis, OR 97331 USA
[2] Oregon State Univ, Sch Chem Biol & Environm Engn, Corvallis, OR 97331 USA
来源：
INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES | 2021年 / 106卷
关键词：
Cold-set wood adhesive; Soy protein isolate; Bisphenol A diglycidyl ether; Polyethyleneimine; Exterior plywood; Water resistance;
D O I：
10.1016/j.ijadhadh.2020.102801
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this study, combinations of bisphenol A diglycidyl ether (BPADGE) and polyethylenimine (PEI) were investigated as effective crosslinking agents for soy protein isolate (SPI) at room temperature. Three-ply plywood panels were prepared with the SPI-BPADGE-PEI adhesives via a cold press process and were evaluated for their water resistance and shear strengths in accordance with the requirements of the American National Standard for Hardwood and Decorative Plywood for exterior applications. The effects of BPADGE/(SPI + PEI) weight ratio, SPI/PEI weight ratio, solids content of the adhesive, the rate of adhesive usage, and the press time at room temperature on the water resistance and the shear strengths of plywood panels were investigated. The pot-life of the adhesive was also measured. Plywood panels bonded with the SPI-BPADGE-PEI adhesives met the industrial requirements for exterior applications.
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页数：6
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