Abstract
With the desire of promoting the further development of wood production, Soy protein-based adhesives (SPs) have been modified to overcome the defect of poor water resistance in the existing reports. Herein, the microcrystalline cellulose (MCC) was grafted by 3-Glycidyloxypropyltrimethoxysilane (KH560) to obtain a modified microcrystalline cellulose (MMCC). The soybean flour was mixed with ethylene glycol diglycidyl ether/diethylenetriamine (EGDE/DETA) and the MMCC to prepare the modified soy protein-based adhesive. The results showed that the adhesive with multiple additives had a better performance due to the interpenetrating network structure of soy protein molecules. The contact angle (CA) increased from 33.97° to 58.88°. The wet bonding strength increased to 0.99 MPa. Consequently, the objective of this study is to provide a new strategy for manufacturing a new environmental adhesive.
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