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US09102772B2 Thickening vinyl copolymers 有权
增稠乙烯基共聚物

Thickening vinyl copolymers
摘要:
A rheology modifier copolymer of formula (I) wherein A is a polyacidic vinyl monomer selected from maleic, fumaric, itaconic, citraconic and acid combinations thereof and anhydrides and salts thereof, B is an acrylic or methacrylic acid or salt thereof; C is a C1-C8 ester of (meth)acrylic acid; D is an associative monomer; and optionally E is a crosslinking monomer.
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