Defoaming composition and method of defoaming aqueous solutions

Details Defoaming composition and method of defoaming aqueous solutions Defoaming composition and method of defoaming aqueous solutions

1974-10-18

1977-06-07

Sebastian, Leland A.

Compositions

Preservative agents

Anti-corrosion

8DIG1, 252358, B01D 1904

Patent

active

040282180

ABSTRACT:
In the disclosed method of preventing the formation of foam and destroying existing foam in an aqueous solution or dispersion, an effective amount of a composition comprising about 0.2 to 7.5 percent by weight of highly disperse silica or alumina with the balance being methylpolysiloxanepolyoxyalkylene mixed block polymer consisting essentially of

REFERENCES:
patent: 3076768 (1963-02-01), Boylan
patent: 3207698 (1965-09-01), Liebling et al.
patent: 3763021 (1973-10-01), Householder
patent: 3865544 (1975-02-01), Keil

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