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    • 5. 发明授权
    • Additives for detergents and cleaning agents
    • 洗涤剂和清洁剂的添加剂
    • US4698174A
    • 1987-10-06
    • US822610
    • 1986-01-27
    • Walter DenzingerHeinrich HartmannWolfgang TrieseltAlbert HettcheRolf SchneiderHans-Juergen Raubenheimer
    • Walter DenzingerHeinrich HartmannWolfgang TrieseltAlbert HettcheRolf SchneiderHans-Juergen Raubenheimer
    • C11D3/33C11D3/37
    • C11D3/33C11D3/3761
    • Pulverulent and/or granular additives for pulverulent detergents and cleaning agents, consisting of(a) from 80 to 20% by weight of one or more copolymers comprising from 40 to 90% by weight of (meth)acrylic acid and from 60 to 10% by weight of maleic acid and/or one or more copolymers comprising from 10 to 45% by weight of (meth)acrylic acid, from 10 to 45% by weight of maleic acid and from 10 to 60% by weight of one or more hydroxyalkyl (meth)acrylates where hydroxyalkyl is of 2 to 6 carbon atoms, if appropriate in the form of a partially or completely neutralized water-soluble salt,(b) from 20 to 80% by weight of nitrilotriacetic acid or its mono-, di- or trisodium or mono-, di- or tripotassium salt and(c) from 0 to 20% by weight of one or more additives conventionally used for detergent and cleaning agent formulations, the use of these pulverulent and/or granular mixtures as additives for pulverulent and/or granular detergents and cleaning agents, and processes for the preparation of the said additives.
    • 用于粉状洗涤剂和清洁剂的粉末和/或颗粒添加剂由(a)80至20重量%的一种或多种共聚物组成,所述共聚物包含40至90重量%的(甲基)丙烯酸和60至10重量% 的马来酸和/或一种或多种共聚物,其包含10至45重量%的(甲基)丙烯酸,10至45重量%的马来酸和10至60重量%的一种或多种羟烷基 (甲基)丙烯酸酯,其中羟基烷基为2至6个碳原子,如果合适的话以部分或完全中和的水溶性盐的形式,(b)20至80重量%的次氮基三乙酸或其单 - 或三钠或单,二或三钾盐和(c)0至20重量%的常规用于洗涤剂和清洁剂配方的一种或多种添加剂,使用这些粉状和/或颗粒状混合物作为粉末状添加剂 和/或颗粒状洗涤剂和清洁剂,以及制备方法 n的所述添加剂。