Silicone foam-suppressant compositions

Details Silicone foam-suppressant compositions Silicone foam-suppressant compositions

C - Chemistry, Metallurgy

08

L

134/56

C08L 83/04 (2006.01) B01D 19/04 (2006.01)

Patent

CA 1231880

-35- SILICONE FOAM-SUPPRESSANT COMPOSITIONS Abstract Silicone foam suppressant compositions are disclosed consisting essentially of a low viscosity polydimethylsiloxane and a high viscosity polydimethyl- siloxane, a certain siloxane resin, and amorphous silica. These foam suppressant compositions can be used to suppress foam in both aqueous and hydrocarbon liquids. Advantageously, these foam suppressant compositions employ less of the resin and less amorphous silica than are normally found in silicone foam suppressants.

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