Silicone antifoams

B - Operations – Transporting – 01 – D

Patent

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B01D 19/04 (2006.01) C08F 283/12 (2006.01) C08F 292/00 (2006.01) C08F 299/08 (2006.01) C10M 155/02 (2006.01)

Patent

CA 1299056

- 43 - ABSTRACT A durable, effective foam suppressant composition produced through free-radical polymerization of mixtures of polydiorganosiloxanes, silica and a free radical polymerization initiator, and optionally, vinyl monomer(s) and pendant vinyl modified silicone oil, followed by dilution of the resulting reaction product with a low viscosity polysiloxane is disclosed. Also disclosed are methods for its production and use in suppressing foams in liquid mediums. D-15440

555498

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