Silicone foam-suppressant compositions

Details Silicone foam-suppressant compositions Silicone foam-suppressant compositions

1983-05-26

1984-12-04

Kight, John

Compositions

Preservative agents

Anti-corrosion

252358, B01D 1904, C09B 6700, D06P 1673

Patent

active

044863365

ABSTRACT:
Silicone foam suppressant compositions are disclosed consisting essentially of a low viscosity polydimethylsiloxane and a high viscosity polydimethylsiloxane, 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.

REFERENCES:
patent: 3383327 (1968-05-01), Sullivan
patent: 3455839 (1969-07-01), Rauner
patent: 3691091 (1972-09-01), Koerner
patent: 3984200 (1976-10-01), Doesburg
patent: 4082690 (1978-04-01), Farminer
patent: 4145308 (1979-03-01), Simoneau et al.

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