Table 1. The Composition of the WPUDs Synthesized the Polycarbonate-diol for This Study

Formulation No.	PC-1.17-E	PC-1.25-E	PC-1.33-E	PC-1.50-E	PC-1.70-E
PC-diol (T5652)	60.00 g	60.00 g	60.00 g	60.00 g	60.00 g
DMPA	3.97 g	3.97 g	3.97 g	3.97 g	3.97 g
H12MDI	36.27 g	38.75 g	41.23 g	46.50 g	52.70 g
TEA	5.99 g	5.99 g	5.99 g	5.99 g	5.99 g
EDA	0.60 g	0.89 g	1.17 g	1.78 g	2.49 g
NCO index	1.17	1.25	1.33	1.50	1.70
degree of polymerization of the each prepolymer	13	9	7	5	3.9