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    • 2. 发明申请
    • DI-SUBSTITUTED SURFACTANT PRECURSORS AND DERIVED SURFACTANTS
    • 二取代的表面活性剂前体和衍生的表面活性剂
    • WO2003037837A2
    • 2003-05-08
    • PCT/US2002/033672
    • 2002-10-22
    • DOW GLOBAL TECHNOLOGIES INC.TUCKER, Christopher, J.KALANTAR, Thomas, H.KUMAR, PromodSTRANDBURG, Gary, M.
    • TUCKER, Christopher, J.KALANTAR, Thomas, H.KUMAR, PromodSTRANDBURG, Gary, M.
    • C07C43/11
    • C11D1/72C07C43/11C07C305/10C11D1/29
    • This invention is for di-substituted surfactant precursors, surfactants prepared from them, methods of making the di-substituted surfactant precursors and derived surfactants, and to surfactants having the properties of the described surfactants. The di-substituted surfactant precursors and surfactants are derived from admixing water, surfactant, a hydrolysis catalyst, and an initial quantity of a substituted three-membered heterocycle (a substituted l-oxacyclopropane, a substituted 1-thiacyclopropane, or a substituted l-azacyclopropane) and sustaining an emulsion admixture of the di-substituted surfactant precursor, the water, the heterocycle, the surfactant, and the catalyst to yield the di-substituted surfactant precursor. The di-substituted surfactant precursor is further functionalized to achieve desired hydrophilic properties. A new surfactant product is ultimately provided affording a new combination of (in aqueous admixture) critical micelle concentration, viscosity, and clarity properties.
    • 本发明涉及二取代的表面活性剂前体,由它们制备的表面活性剂,制备二取代的表面活性剂前体和衍生的表面活性剂的方法以及具有所述表面活性剂性质的表面活性剂。 二取代的表面活性剂前体和表面活性剂来自混合水,表面活性剂,水解催化剂和初始量的取代的三元杂环(取代的1-氧杂环丙烷,取代的1-硫杂环丙烷或取代的1-氮杂环丙烷 )并保持二取代的表面活性剂前体,水,杂环,表面活性剂和催化剂的乳液混合物,得到二取代的表面活性剂前体。 二取代的表面活性剂前体进一步官能化以获得所需的亲水性质。 最终提供新的表面活性剂产物,提供(水性混合物)临界胶束浓度,粘度和透明度性质的新组合。