Defoamer preparation and processes for its production

Details Defoamer preparation and processes for its production Defoamer preparation and processes for its production

1978-09-28

1981-06-23

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

252321, B01D 1700

Patent

active

042749778

ABSTRACT:
A defoamer composition having a high dispersion stability composed of a water-insoluble defoamer oil, a water-soluble emulsifier which is insoluble in the defoamer oil, and a mixture of a finely divided hydrophobic and hydrophilic silica. The composition of the present invention allows for the production of exceptionally stable dispersions thereof. A method for preparing the composition is also disclosed.

REFERENCES:
patent: 3076768 (1963-02-01), Boylan
patent: 4028218 (1977-06-01), Fink et al.

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