Aqueous emulsions of carboxyl-containing silicone

Details Aqueous emulsions of carboxyl-containing silicone Aqueous emulsions of carboxyl-containing silicone

C - Chemistry, Metallurgy

09

K

134/47, 8/93.12

C09K 3/00 (2006.01) A61K 8/893 (2006.01) C08J 3/03 (2006.01) D06M 15/643 (2006.01)

Patent

CA 1205350

AQUEOUS EMULSIONS OF CARBOXYL-CONTAINING SILICONE FLUIDS AND A METHOD FOR THEIR PREPARATION Abstract Highly stable emulsions of carboxyl-containing silicone fluids in water are prepared by using a combination of two surfactants. The first, or primary surfactant, has the formula RO(CmH2mO)nH, where R is a hydrocarbon lipophile, m has a value of 1, 2, or 3, and n has an average value greater than 15. The second or cosurfactant, is selected from fatty acid esters of sorbitol and surfactants having the formula R'O(CpH2pO)qH, wherein R' is a hydrocarbon lipophile, p has a value of 1, 2, or 3 and q has a value such that the cosurfactant is just insoluble in the carboxyl-containing silicone fluid.

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