Silica base defoamer compositions with improved stability

Details Silica base defoamer compositions with improved stability Silica base defoamer compositions with improved stability

1975-07-18

1977-05-03

Sebastian, Leland A.

Compositions

Preservative agents

Anti-corrosion

252358, B01D 1904

Patent

active

040213650

ABSTRACT:
Defoamer compositions having improved stability are prepared from hydrophobic silica, quick-chilled amides, and hydrocarbon oil, with oil soluble organic polymers and surface-active additives as optional ingredients. These compositions are useful in defoaming aqueous systems including paper pulp black liquors, water-base paints, and adhesives.

REFERENCES:
patent: 3076768 (1963-02-01), Boylan
patent: 3152081 (1964-10-01), Ovist et al.
patent: 3697440 (1972-10-01), Lichtman
patent: 3705859 (1972-12-01), Boylan
patent: 3923683 (1975-12-01), Michalski et al.

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