Water in oil emulsifiers and emulsions made with them

Details Water in oil emulsifiers and emulsions made with them Water in oil emulsifiers and emulsions made with them

C - Chemistry, Metallurgy

08

G

C08G 77/46 (2006.01) B01F 17/54 (2006.01) C08L 83/12 (2006.01) A61K 7/40 (1995.01) A61K 7/48 (1995.01)

Patent

CA 2165762

An organopolysiloxane polyoxyalkylene copolymer of the formula (I) Image wherein R is H or C1-4 alkyl, x, y and z are at least 1, x+y+z is from 20 to 150, 3y is greater than x, a is 1 to 3, p is at least 1 and q is 0 or an integer, p and q are such that MW of (C2H4O)p(C3H6O)qR is no more than 500 and n is 7 to 23. Also disclosed are water-in-oil emsulsions, especially with polar oils.

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