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    • 37. 发明公开
    • Detergent composition
    • 洗涤剂组成
    • EP0875553A1
    • 1998-11-04
    • EP98112604.8
    • 1994-01-25
    • NATIONAL STARCH AND CHEMICAL INVESTMENT HOLDING CORPORATION
    • Austin, Anne-Marie B.Belcher, James H.Standish, Michael L.
    • C11D3/00C11D3/37C08F222/02
    • D21H21/08B01F17/0028C02F5/10C09D17/004C11D3/0036C11D3/10C11D3/128C11D3/3757C11D3/3769D21H17/37
    • Described is a detergent composition comprising 5 to 80% soda ash, 5 to 24% surfactant and 0.5 to 25% of a zeolite builder, on a detergent composition dry weight basis, wherein up to 100% of the zeolite builder is replaced with an amount of a maleate copolymer effective to function as a builder, the maleate copolymer being characterized by a weight average molecular weight of 500 to 7,0000, a residual total monomer content of less than 1%, on a copolymer weight basis, and comprising at least 50 mole percent of maleate monomer, whereby at least 70 mole percent of the carboxylic acid charge on the maleate monomer is neutralized prior to polymerization, 10 to 50 mole percent of acrylate monomer and 1 to 10 mole percent of a nonionic comonomer; and wherein the detergent composition containing the maleate copolymer inhibits deposition of water hardness salts and the detergent composition comprising the maleate copolymer is characterized by improved detergency relative to the detergent composition without the maleate copolymer.
    • 描述了一种洗涤剂组合物,其包含5-80%苏打灰,5-24%表面活性剂和0.5-25%沸石助洗剂,以洗涤剂组合物干重计,其中至多100%的沸石助洗剂被一定量 的马来酸酯共聚物,其用作助洗剂,所述马来酸酯共聚物的特征在于重均分子量为500至7,0000,残余总单体含量按共聚物重量计小于1%,并且至少包含 50摩尔百分比的马来酸酯单体,由此在聚合之前,马来酸酯单体上的至少70摩尔百分比的羧酸电荷被中和,10-50摩尔百分比的丙烯酸酯单体和1-10摩尔百分比的非离子共聚单体; 并且其中包含马来酸酯共聚物的洗涤剂组合物抑制水硬性盐的沉积,并且包含马来酸酯共聚物的洗涤剂组合物的特征在于相对于没有马来酸酯共聚物的洗涤剂组合物改进的去污力。