Method of producing a silicone defoamer composition

Details Method of producing a silicone defoamer composition Method of producing a silicone defoamer composition

1985-05-29

1987-01-27

Jacobs, Lewis T.

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...

524501, 524863, 252321, 252358, C08K 336

Patent

active

046394893

ABSTRACT:
Foam control compositions are prepared by reacting a mixture of components which include a polyorganosiloxane fluid bearing one or more hydroxyl and/or hydrocarbonoxy groups, a resinous siloxane or a silicone resin-producing silicon compound, a finely divided filler material and a catalyst to promote the reaction of the listed components. The compositions can optionally contain a polyorganosiloxane fluid which is substantially free of reactive groups and/or a polyorganosiloxane fluid bearing two or more hydroxyl and/or hydrocarbonoxy groups.

REFERENCES:
patent: 3455839 (1969-07-01), Rauner
patent: 3560401 (1971-02-01), O'Hara et al.
patent: 4101499 (1978-07-01), Herzig
patent: 4145308 (1979-03-01), Simoneau et al.
patent: 4443359 (1984-04-01), Shimizu et al.
patent: 4486336 (1984-12-01), Pape et al.
patent: 4554187 (1985-11-01), Grape et al.

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