Organosilicon anti-foaming compositions

Details Organosilicon anti-foaming compositions Organosilicon anti-foaming compositions

1977-05-06

1978-08-01

Padgett, Benjamin R.

Compositions

Dust suppressants for bulk materials, or processes of...

252 90, 252321, 252358, 252135, 252531, 252539, C11D 3065

Patent

active

041041860

ABSTRACT:
Compositions containing 2% to 50% of organosilicon anti-foaming agents and 98% to 50% of powdered solid carriers having the general formula (CH.sub.3).sub.a (HO).sub.b (RO).sub.c SiO.sub.(4-a-b-c) /2 in which the symbol "R" represents a methyl, ethyl, n-propyl, isopropyl or n-butyl, the symbol "a" represents any number ranging from about 0.8 to about 1.1, the symbol "b" represents any number ranging from about 0.002 to about 0.2 and the symbol "c" represents any number ranging from about 0 to about 0.2. The compositions are used to reduce the foaming effects of surfactants in liquids. The anti-foaming compositions of the invention can be added to powdered detergents and will remain effective for extended periods of time.

REFERENCES:
patent: 3666681 (1972-05-01), Keil
patent: 3691091 (1972-09-01), Koerner
patent: 3773685 (1973-11-01), Schrader
patent: 3933672 (1976-01-01), Bartolotta et al.

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