Process for producing polyorganosiloxanes

Details Process for producing polyorganosiloxanes Process for producing polyorganosiloxanes

1989-11-08

1991-07-16

Marquis, Melvyn I.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528 23, C08L 8300

Patent

active

050326430

ABSTRACT:
There is disclosed a process for producing polyorganosiloxanes, comprising that an organosiloxane having a structural unit represented by the following general formula: ##STR1## (in which R.sup.1 represents a substituted or unsubstituted monovalent organic group; and n represents an integer of 0 tp 3) is subjected to emulsion polymerization in an aqueous medium in the presence of an organic sulfonic acid and a trihalogenated acetic acid.

REFERENCES:
patent: 3294725 (1966-12-01), Findlay et al.
patent: 3360491 (1967-12-01), Axon

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