Patent ID: 6169156
Filing Date: 2001-01-02
Classification: C08G

Abstract:
A branched siloxane-silalkylene copolymer described by average formula ##STR23## where R.sup.1 is selected from the group consisting of C.sub.1 to C.sub.10 alkyl and aryl, a is 3 or 4, and X.sup.1 is a silylalkyl group described by formula ##STR24## where R.sup.1 is as previously defined, R.sup.2 is selected from the group consisting of C.sub.2 to C.sub.10 alkylene, R.sup.3 is selected from the group consisting of C.sub.1 to C.sub.10 alkyl, X.sup.i+1 is a hydrogen atom or the silylalkyl group, i is an integer with a value from 1 to 10 that specifies the generation of the silylalkyl group, and b.sup.i is an integer from 0 to 3.