Organopolysiloxane-polyether-vinyl graft copolymers

Details Organopolysiloxane-polyether-vinyl graft copolymers Organopolysiloxane-polyether-vinyl graft copolymers

1980-11-14

1983-01-11

Briggs, Sr., Wilbert J.

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525404, 525445, 525479, 528 26, 528 29, 528 25, C08L 5108, C08L 8310

Patent

active

043682901

ABSTRACT:
A graft copolymer comprising (I) as a first polymeric moiety an organopolysiloxane with OH functional groups, (II) as a second polymeric moiety a polyether, and (III) units of vinyl monomer which have been polymerized in the presence of mixtures of the first and second polymeric moieties which moieties are linked via vinyl polymer bridges, is produced by polymerizing a suitable monomer dispersion. The product is suited for replacing all or some of the organopolysiloxane component in room temperature curable compositions containing organopolysiloxanes, silane cross-linking agents and a curing catalyst.

REFERENCES:
patent: 3478075 (1969-11-01), Jack et al.
patent: 3531424 (1970-09-01), Swanson
patent: 4161468 (1979-07-01), Davis et al.

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