Production of organopolysiloxane copolymers with a phenyl ether

Details Production of organopolysiloxane copolymers with a phenyl ether Production of organopolysiloxane copolymers with a phenyl ether

1995-04-21

1996-06-18

Glass, Margaret W.

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...

524375, 524588, 524862, 556445, 528 15, 528 31, 528 29, C08K 506

Patent

active

055278558

ABSTRACT:
An improved process is provided for the preparation of siloxane-oxyalkylene block copolymer surfactant compositions which utilize a hydrosilylation reaction with a phenyl ether as the reaction solvent and the use of a phenyl ether as a cold blend additive. Ethylene glycol phenyl ether is the preferred reaction solvent or cold blend additive.

REFERENCES:
patent: H1265 (1993-12-01), Brady et al.
patent: 3280160 (1966-10-01), Bailey
patent: 3518288 (1970-06-01), Haluska
patent: 4933002 (1990-06-01), Petroff et al.
patent: 5430097 (1995-07-01), Petroff et al.

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