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    • 10. 发明授权
    • Method for the production of surfactant granulates containing builders
    • 含有助洗剂的表面活性剂颗粒的生产方法
    • US07186677B2
    • 2007-03-06
    • US10872813
    • 2004-06-21
    • Wilfried RähseBernhard OrlichHenriette Weber
    • Wilfried RähseBernhard OrlichHenriette Weber
    • C11D11/04
    • C11D3/10C11D11/04C11D17/06
    • Provided is a method for producing surfactant granulates, comprising (a) providing a mixture of anionic surfactant acids and builder acids having a weight ratio of 1:100 to 1:20 of builder acid to surfactant acid; and (b) contacting the mixture with at least one solid neutralizing agent. The builder acid is selected from citric acid, tartaric acid, succinic acid, malonic acid, adipic acid, maleic acid, fumaric acid, oxalic acid, gluconic acid, nitrilotriacetic acid, aspartic acid, ethylenediaminetetraacetic acid, aminotrimethylenephosphonic acid, hydroxyethanediphosphonic acid, polyaspartic acids, polyacrylic acids, polymethacrylic acids, or copolymers thereof and has a particle size below 200 μm.
    • 提供一种表面活性剂颗粒的制备方法,其包括(a)提供与表面活性剂酸重量比为1:100至1:20的阴离子表面活性剂酸和助洗剂酸的混合物; 和(b)使混合物与至少一种固体中和剂接触。 助洗剂酸选自柠檬酸,酒石酸,琥珀酸,丙二酸,己二酸,马来酸,富马酸,草酸,葡萄糖酸,次氮基三乙酸,天冬氨酸,乙二胺四乙酸,氨基三亚甲基膦酸,羟基乙二膦酸,聚天冬氨酸 ,聚丙烯酸,聚甲基丙烯酸或其共聚物,其粒度小于200μm。