SILOXANE COPOLYMERS CONTAINING VINYLOXY GROUPS, THEIR PREPARATION AND USE

摘要

2134768 9322368 PCTABS00027 New siloxane copolymers having vinyloxy groups contain: (a) siloxane units having the formula (I): RaSi(OR1)bO(4-(a+b))/2 , and (b) at least one unit per molecule selected from the grou p of units having the formulae (II), (III), (IV) or (V), in which R, R1, Y, a, b, c, and x have the meaning given in the first claim.