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US4104229A Pigmented latex paints having superior gloss prepared by grinding a pigment into a solution of a copolymer of an unsaturated carboxylic acid 失效
通过将颜料研磨成不饱和羧酸的共聚物的溶液而制备的具有优异光泽的着色乳胶漆

Pigmented latex paints having superior gloss prepared by grinding a
pigment into a solution of a copolymer of an unsaturated carboxylic acid
Abstract:
A high gloss, water base, pigmented latex is provided by grinding a pigment into a water-free solution of a carboxyl-functional addition copolymer of monoethylenically unsaturated monomers including at least about 3% by weight of monoethylenically unsaturated carboxylic acid in water miscible organic solvent, the copolymer being at least partially neutralized with an amine, particularly an hydroxy amine, to render the said copolymer dispersible in water, and thereby form a nonaqueous pigment paste, and then mixing the nonaqueous pigment paste with an aqueous latex. The invention includes the latex paint so-produced.
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