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    • 9. 发明授权
    • Polymers used as controllable dispersing agents
    • 聚合物用作可控分散剂
    • US06878683B2
    • 2005-04-12
    • US10297490
    • 2001-06-06
    • Peter NeumannWerner BertleffMatthias KronerBernard Mohr
    • Peter NeumannWerner BertleffMatthias KronerBernard Mohr
    • C08F290/06C08G81/02C11D3/37C11D11/00
    • C11D11/0082C11D3/3761
    • Polymers of a poly(meth)acrylic acid main chain in which, based on the main chain, 0 to 30% by weight of the (meth)acrylic acid basic building blocks may be replaced by maleic acid (anhydride) basic building blocks, fumaric acid basic building blocks or mixtures thereof and 0 to 10% by weight of the (meth)acrylic acid basic building blocks may be replaced by other copolymerizable ethylenic basic building blocks,and C1-30-alkylpoly-C2-4-alkylene glycols, bonded to the main chain via ester groups, having an average molecular weight of from 250 to 10 000 as side chains,where, based on the polymer, 1 to 19% by weight of the main chain and 81 to 99% by weight of the side chains are present and this ratio and the average molecular weight of the side chains are chosen such that free carboxyl groups are present in the polymer,are used as controllable dispersants for detergents or cleaners or constituents thereof.
    • 聚(甲基)丙烯酸主链的聚合物,其中以主链为基准的0〜30重量%的(甲基)丙烯酸碱性结构单元可以用马来酸(酸酐)碱性结构单元代替富马酸 酸性碱性结构单元或其混合物,和0〜10重量%的(甲基)丙烯酸碱性结构单元可以被其它可共聚的烯属碱性结构单元和C1-30烷基聚-C2-4-亚烷基二醇替代, 通过酯基,其平均分子量为250至10000作为侧链,其中基于聚合物,1至19重量%的主链和81至99重量%的侧面 链,并且该比例和侧链的平均分子量被选择为使得游离羧基存在于聚合物中,用作洗涤剂或清洁剂或其组分的可控分散剂。