Polyurethane prepolymer amine salt emulsifier for emulsion...

C - Chemistry – Metallurgy – 08 – F

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134/55, 400/5506

C08F 2/24 (2006.01) C08F 2/28 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/50 (2006.01)

Patent

CA 1162340

Aqueous polymer latexes are prepared in an emulsion polymerization process wherein a polyurethane prepolymer amine salt is used to replace conven- tional emulsifiers or surfactants. Latices produced by this process eliminate the effects of the residues in the finished product left by conventional emulsifiers since the polyurethane prepolymer amine salt upon curing becomes part of the cured latex.

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