Development of Eco-Friendly Soy Meal Adhesives Enhanced by Ethylene Glycol Diglycidyl Ether

Table 1

Effects of EGDE dosage on the performance of SF adhesive and SF adhesive-based plywood.

Sample	EGDE dosage (wt%)	Viscosity (cP)	Solid content (%)	Dry shear strength (MPa)	Wet shear strength (MPa)
					63°C	100°C
A	0	102000±6245	25.9±0.2	1.24±0.12 CWF	0.40±0.03	- -
B	2	99000±9539	27.7±0.3	1.47±0.11 CWF	0.76±0.05	0.33±0.04
C	4	75000±4583	28.9±0.3	1.39±0.30 CWF	0.82±0.05	0.42±0.02
D	6	66000±7937	30.2±0.1	1.62±0.10 CWF	0.96±0.04	0.50±0.03
E	8	60000±6557	30.9±0.1	1.51±0.21 CWF	1.06±0.02	0.54±0.03
F	10	53000±3606	31.7±0.5	1.39±0.38 CWF	0.81±0.01	0.49±0.01

CWF: 100% cohesive wood failure.
The results from type II.
The results from type I.
Delamination.