申请人:L'Oreal
公开号:US04087466A1
公开(公告)日:1978-05-02
A method of preparing a novel non-ionic surfactant usefully employed in a cosmetic composition having the formula R--CHOH--CH.sub.2 --O--CH.sub.2 --CHOH--CH.sub.2 --O].sub.n H wherein R is selected from the group consisting of aliphatic, cycloaliphatic and arylaliphatic radicals and mixtures thereof having 7-21 carbon atoms, n is greater than 1 and equal to or less than 10, the method comprising condensing on an .alpha.-diol having the formula R--CHOH--CH.sub.2 OH wherein R has the above meaning, n moles of glycidol having the formula ##STR1## in the presence of an alkaline catalyst at a temperature of 120.degree.-180.degree. C.
一种制备新型非离子表面活性剂的方法,可用于化妆品组合物,其化学式为R--CHOH--CH.sub.2 --O--CH.sub.2 --CHOH--CH.sub.2 --O].sub.n H,其中R选自包括有7-21个碳原子的脂肪族、环脂族和芳基脂族基团及其混合物,n大于1且等于或小于10,该方法包括在存在碱性催化剂的条件下,在温度为120度至180度C的情况下,将具有化学式R--CHOH--CH.sub.2 OH的α-二醇与具有化学式的甘氧基苯醇发生缩合反应。