Organopolysiloxane graft polyester and its manufacturing method

Details Organopolysiloxane graft polyester and its manufacturing method Organopolysiloxane graft polyester and its manufacturing method

1991-08-16

1993-01-05

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 10, 528 16, 528 28, C08F 2000

Patent

active

051771608

ABSTRACT:
An organopolysiloxane graft-type polyester is prepared by reacting, in the presence of an effective amount of a hydrosilylation catalyst, a polyester containing at least one alkenyl group and having no unsaturated terminal groups, said polyester having a number average molecular weight of about 500 to about 5,000, and an organopolysiloxane containing one hydrosilyl group. The organopolysiloxane graft-type polyester has excellent compatibility with polyesters and can improve the surface smoothness and hydrophobic property of the polyester when modified therewith.

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Gaylord in N. A. J. Platzer, ed. Copolymers, Polyblends and Composites (1975), p. 76.

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