Functional polyorganosiloxane emulsions from monohydrolyzable si

Details Functional polyorganosiloxane emulsions from monohydrolyzable si Functional polyorganosiloxane emulsions from monohydrolyzable si

1994-10-28

1996-01-02

Marquis, Melvyn I.

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 84, 524837, 528 18, C08K 554

Patent

active

054809193

ABSTRACT:
A non-crosslinked polymer, comprising a preformed aqueous emulsion having a plurality of silanol-terminated polydiorganosiloxane particles, a functionalizing silane having the formula R.sub.3-n Q.sub.n SiX where X is a hydrolyzable group, Q is an organic functional group which does not prevent a condensation reaction between X and a silanol-terminated polydiorganosiloxane molecule, R is a saturated monovalent hydrocarbon group of from one to six carbon atoms, and an organotin catalyst. The composition results in a non-crosslinked polymer, unlike the polymers described in the prior art. It has been found that adding a functionalizing silane having only one hydrolyzable group to a preformed polydiorganosiloxane emulsion results in functionalized polydiorganosiloxane molecules free of crosslinks between the polydiorganosiloxane chains.

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