Stable latexes of carboxyl containing polymers

Details Stable latexes of carboxyl containing polymers Stable latexes of carboxyl containing polymers

C - Chemistry, Metallurgy

08

K

400/9043, 400/90

C08K 5/42 (2006.01) C08F 220/12 (2006.01) C08F 236/04 (2006.01) C08L 13/02 (2006.01) C08L 33/00 (2006.01)

Patent

CA 1191980

ABSTRACT OF THE DISCLOSURE Viscosity stable polymers containing bound carboxyl groups in latex form when compounded at high solids content and at a high pH are obtained in accordance with this invention when the latex is prepared by poly- merizing butadiene or an acrylic or methacrylic ester with an unsaturated carboxylic acid in the presence of an olefin sulfonate emulsifier. The olefin sulfonates contain a major proportion of C14 to C16 aliphatic carbon atoms. By use of this emulsifier, high total solids, viscosity stable latexes can be obtained by direct polymerization.

416744

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