Process for reducing the levels of fatty acid contaminants in
polyhydroxy fatty acid amide surfactants
    2.
    发明授权
    Process for reducing the levels of fatty acid contaminants in polyhydroxy fatty acid amide surfactants 失效
    降低多羟基脂肪酸酰胺表面活性剂中脂肪酸污染物含量的方法

    公开(公告)号:US5188769A

    公开(公告)日:1993-02-23

    申请号:US857853

    申请日:1992-03-26

    IPC分类号: C07C231/02 C11D1/52

    摘要: The synthesis of polyhydroxy fatty acid amide surfactants exemplified by the compound C.sub.11 H.sub.23 C(O)N(CH.sub.3)CH.sub.2 [CHOH].sub.4 CH.sub.2 OH by reacting a fatty acid ester with an N-alkyl sugar amine can result in contamination of the product surfactant by residual sources of fatty acids. These residual fatty acids may be unacceptable in high sudsing detergent compositions, such as dishwashing liquids, especially with Ca or Mg cations. The process of this invention reacts such contaminants with alkyl amines or, especially, ethanolamine, to convert them into fatty alkyl- or alkanolamides, which are quite acceptable in fully-formulated detergent compositions for home or industrial use.

    摘要翻译: 通过使脂肪酸酯与N-烷基糖胺反应,由化合物C11H23C(O)N(CH3)CH2 [CHOH] 4CH2OH表示的多羟基脂肪酸酰胺表面活性剂的合成可导致产物表面活性剂被残留的来源污染 脂肪酸。 这些残留脂肪酸在高泡沫洗涤剂组合物中是不可接受的,例如餐具洗涤液,特别是与Ca或Mg阳离子。 本发明的方法使这些污染物与烷基胺或特别是乙醇胺反应,将它们转化成脂肪烷基 - 或链烷醇酰胺,其在用于家庭或工业用途的完全配制的洗涤剂组合物中是完全可接受的。