Improved polybutene-based foam control composition for...

Details Improved polybutene-based foam control composition for... Improved polybutene-based foam control composition for...

B - Operations, Transporting

01

D

B01D 19/04 (2006.01) D21H 21/12 (2006.01)

Patent

CA 2130888

A stable defoamer composition and method of defoaming an aqueous system is disclosed. The composition comprises an alcohol alkoxylate, at least one surfactant having a melting point less than 20°C, and a low HLB, ethylene oxide/propylene oxide block copolymer, said block copolymer carried in a mixture comprising polybutene.

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