Silicone antifoaming agent composition

Details Silicone antifoaming agent composition Silicone antifoaming agent composition

1990-12-13

1992-10-06

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...

252321, 252358, C08L 8307

Patent

active

051532581

ABSTRACT:
The present invention provides a silicone antifoaming agent composition excellent in the persistence of the foam controlling effect. The silicone antifoaming agent composition comprises a polydiorganosiloxane and silica, which form an antifoaming agent to be improved, and 1 to 200 parts by weight per 100 parts by weight of the sum total of the polydiorganosiloxane plus silica of a lightly crosslinked siloxane having fluidity.

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