Carboxyl group-containing polymer composition,申请号US201213600312-传众专利搜索

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发明名称	Carboxyl group-containing polymer composition
摘要	The present invention provides a carboxyl group-containing polymer composition that exhibits excellent anti-soil redeposition ability in fabric washing. The carboxyl group-containing polymer composition contains a carboxyl group-containing polymer, which includes specific ratios of a structure unit (a) derived from an acrylic acid-based monomer (A) and a structure unit (b) derived from a sulfonic acid group-containing monomer (B) and has a specific weight average molecular weight, and a specific amount of an adduct of a hydrogen sulfite to the acrylic acid-based monomer (A).
申请公布号	US8809474(B2)	申请公布日期	2014.08.19
申请号	US201213600312	申请日期	2012.08.31
申请人	Nippon Shokubai Co., Ltd.	发明人	Yoneda Atsuro;Hemmi Akiko;Loughnane Brian Joseph
分类号	C08F28/02;C08F220/06;C08F220/18;C08F220/16	主分类号	C08F28/02
代理机构	Novak Druce Connolly Bove + Quigg LLP	代理人	Novak Druce Connolly Bove + Quigg LLP
主权项	1. A carboxyl group-containing polymer composition comprising a carboxyl group-containing polymer, wherein the carboxyl group-containing polymer consists of a structure unit (a) derived from an acrylic acid-based monomer (A) at a level of from 62 to 70% by mass and a structure unit (b) derived from a sulfonic acid group-containing monomer (B) at a level of from 30 to 38% by mass based on 100% by mass of all structure units derived from all monomers in the carboxyl group-containing polymer, the carboxyl group-containing polymer has a weight average molecular weight of 23,000 to 50,000, andwherein the carboxyl group-containing polymer composition further comprises an adduct of a hydrogen sulfite to the acrylic acid-based monomer (A), andthe adduct is present at a level of 0.3 to 5% by mass based on 100% by mass of a solids content of the carboxyl group-containing polymer composition.
地址	Osaka JP

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