Polyorganosiloxane/polyvinyl-based graft (meth)acrylate polymers

Details Polyorganosiloxane/polyvinyl-based graft (meth)acrylate polymers Polyorganosiloxane/polyvinyl-based graft (meth)acrylate polymers

1988-11-14

1992-04-21

Marquis, Melvyn I.

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

Synthetic resins

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

525100, 525104, 525179, C08F25702

Patent

active

051069083

ABSTRACT:
A multi-stage polyorganosiloxane/polyvinyl-based graft polymer is provided by the co-homopolymerization of organosiloxanes and a vinyl-based monomer (e.g. styrene) and the subsequent graft polymerization of one or more stages of additional (meth)acrylate monomers, vinyl aromatic/(meth)acrylate comonomers or vinyl aromatic/vinyl cyanide/(meth)acrylate termonomers with or without an intermediary stage comprising a polymer.

REFERENCES:
patent: 4226761 (1980-10-01), Cooper et al.
patent: 4564653 (1986-01-01), Kamata et al.
patent: 4812515 (1989-03-01), Kress et al.

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