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Acrylic aqueous miniemulsion copolymer thickeners and latex paints containing said thickeners
Acrylic aqueous miniemulsion copolymer thickeners and latex paints containing said thickeners
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机译：丙烯酸水性细乳液共聚物增稠剂和含有该增稠剂的乳胶漆
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摘要
The invention pertains to an aqueous acrylic copolymer thickener particularly useful for thickening latex paints, the thickener copolymer comprising aqueous copolymerized ethylenically unsaturated monomers comprising between 10% and 90% carboxyl functional monomer, between 1% and 50% long alkyl ester of acrylate or methacrylate, and preferably between 20% and 90% methyl or ethyl acrylate or methacrylate. The mixture of monomers is mixed with water and surfactant, micronized to droplet size less than 5 microns, copolymerized to form a carboxyl functional copolymer, which is then neutralized with amine to form a thickener copolymer.
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