Compound antifoams for defoaming polymer dispersions and aqueous

Details Compound antifoams for defoaming polymer dispersions and aqueous Compound antifoams for defoaming polymer dispersions and aqueous

1998-05-14

1999-11-30

Lovering, Richard D.

Colloid systems and wetting agents; subcombinations thereof; pro

Compositions containing an agent for breaking ; processes of...

Continuous liquid phase colloid system and discontinuous gas...

516133, 524290, 524291, 524320, B01D 1904

Patent

active

059944153

ABSTRACT:
The invention relates to compound antifoams comprising alkoxylated partial esters--using from 3 to 60 mol of propylene oxide with or without from 1 to 10 mol of styrene oxide and/or from 1 to 10 mol of butylene oxide--of oligoglycerols, obtainable by condensation of 2 to 20 glycerol molecules, with C.sub.8 to C.sub.22 fatty acids and inorganic or organic solids for defoaming polymer dispersions and aqueous coating systems.

REFERENCES:
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patent: 4895681 (1990-01-01), Herrmann et al.
patent: 5071591 (1991-12-01), Sheridan
patent: 5306341 (1994-04-01), Ono et al.
patent: 5308634 (1994-05-01), Cooper
patent: 5336313 (1994-08-01), Bunte et al.
patent: 5429718 (1995-07-01), Morlino et al.

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