Defoamer composition and use thereof

Details Defoamer composition and use thereof Defoamer composition and use thereof

1981-06-26

1983-03-22

Lieberman, Allan

Compositions

Preservative agents

Anti-corrosion

252358, B01D 1902, B01D 1904

Patent

active

043774938

ABSTRACT:
A defoamer comprised of silica having hydrophobic surfaces dispersed in a water insoluble hydrophobic organic liquid, wherein the silica has a surface area of no greater than 0.1 m.sup.2 /g and the hydrophobic silica comprises in excess of 25 wt. percent of the composition.

REFERENCES:
patent: 3076768 (1963-02-01), Boylan
patent: 3408306 (1968-10-01), Boylan
patent: 3591519 (1971-07-01), Boylan
patent: 3661793 (1972-05-01), Curtis
patent: 3723342 (1973-03-01), Shane et al.
patent: 4032473 (1977-06-01), Berg et al.
patent: 4198267 (1980-04-01), Flaherty
patent: 4225456 (1980-09-01), Schmidt et al.
Gardner, "Paint Testing Manual", Thirteenth Edition, 1972, p. 228.

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