Use of stearic acid esters of polypropylene glycol to control fo

Details Use of stearic acid esters of polypropylene glycol to control fo Use of stearic acid esters of polypropylene glycol to control fo

1995-09-19

1996-08-13

Brunsman, David

Compositions

Preservative agents

Anti-corrosion

209166, 209167, B01D 4300, B03D 106

Patent

active

055453511

ABSTRACT:
Stearic acid monoesters and diesters of polypropylene glycol (PPG), together with a hydrocarbon diluent, give exceptional defoaming performance in mineral processing streams over defoaming compositions made with esters of other fatty acids. The defoaming ability of compositions made from stearic acid esters of PPG is further enhanced by the inclusion of a relatively small amount of a non-ionic dispersing surfactant.

REFERENCES:
patent: 3837489 (1974-09-01), Michalski et al.
CA 112:136814 Chemical Abstract of CZ 277788 B6 (14 Apr. 1993).

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