Aqueous emulsions containing antioxidants

Details Aqueous emulsions containing antioxidants Aqueous emulsions containing antioxidants

C - Chemistry, Metallurgy

09

K

134/47, 31/73

C09K 15/08 (2006.01) B01J 13/00 (2006.01) C08K 5/05 (2006.01) C08K 5/098 (2006.01) C08K 5/13 (2006.01) C08K 5/134 (2006.01) C08K 5/372 (2006.01) C08K 5/524 (2006.01) C09K 15/06 (2006.01) C09K 15/10 (2006.01) C11D 1/04 (2006.01) C11D 1/68 (2006.01)

Patent

CA 2034718

A-17937/+ Aqueous emulsions containing antioxidants Abstract Storage-stable, non-sedimenting emulsions containing a) 10 to 40% by weight, based on the emulsion, of (A) phenolic antioxidants and antioxidants from the series comprising (B) thiodipropionic acid esters or/and (C) organic phosphites, b) 0.25 to 10% by weight, based on the emulsion, of a surfactant of the formula R-COOY, in which R is alkyl having 3 to 18 C atoms, alkenyl having 3 to 18 C atoms or phenyl-C3-C18alkyl and Y is an alkali metal, c) 0.25 to 10% by weight, based on the emulsion, of an alcohol of the folmula R'-OH, in which R' is alkyl having 4 to 19 C atoms, alkenyl having 4 to 19 C atoms or phenyl-C4-C19alkyl, and d) water as the remainder to make 100% by weight. The emulsions are employed in particular for stabilizing emulsion-polymerized polymers and copolymers, for example ABS.

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