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    • 2. 发明授权
    • Phosphoric acid ester-based compositions, process for the preparation
thereof
    • 基于磷酸酯的组合物,其制备方法
    • US4912245A
    • 1990-03-27
    • US62628
    • 1987-06-16
    • Yvette GirardeauChristian Segaud
    • Yvette GirardeauChristian Segaud
    • B01J13/00A01N25/30B01F17/00B01F17/14B01F17/42C07F9/09C07F9/12
    • A01N25/30B01F17/0064B01F17/0085
    • Surfactant compositions in an acidic or neutralized form containing a mixture of at least one polyoxyalkylenated phosphoric acid monoester and at least one polyoxyalkylenated diester and a nonionic polyoxyalkylenated compound wherein the phosphoric acid diester:phosphoric acid monoester molar ratio before neutralization, if carried out, is at least equal to 0.9:1 and the phosphoric acid monoester and phosphoric acid diester content is at least 1 mol %, preferably at least 50 mol % of said composition. The surfactant compositions are prepared by phosphatization of a nonionic polyoxyalkylenated compound at a temperature of from about 35.degree. to about 45.degree. C. followed by maturing at from about 40.degree. to about 60.degree. C., in a stirred turbulent state. The compositions are useful in the formulation of active substances in the form of microgranules and flowables.
    • 含有至少一种聚氧化烯化磷酸单酯和至少一种聚氧化烯化二酯和非离子聚氧化烯化合物的混合物的酸性或中和形式的表面活性剂组合物,其中磷酸二酯:中和前的磷酸单酯摩尔比(如果进行)在 至少等于0.9:1,磷酸单酯和磷酸二酯含量为所述组合物的至少1mol%,优选至少50mol%。 表面活性剂组合物通过在约35-45℃的温度下磷酸化非离子聚氧化烯化的化合物制备,然后在约40℃至约60℃下以搅拌的湍流状态熟化。 组合物可用于制备微粒和流动剂形式的活性物质。