Table 2.

Average molecular weight and distribution of the polyurethane copolymers.

Sample	M n	M w	PDI
HPEB100	64,900	82,200	1.27
HPEB95C05	62,400	80,100	1.28
HPEB90C10	63,000	76,100	1.21
HPEB80C20	60,800	81,700	1.21
HPEB70C30	65,100	79,400	1.22
HPEB50C50	63,400	79,300	1.25
PC100	52,600	69,300	1.32