METHOD FOR PRODUCING POLYALKYLENE GLYCOL DERIVATIVE WITH NARROW MOLECULAR WEIGHT DISTRIBUTION, AND ACETAL GROUP-CONTAINING ALCOHOL COMPOUND FOR USE THEREIN AND ALKALI METAL SALT THEREOF
    3.
    发明申请
    METHOD FOR PRODUCING POLYALKYLENE GLYCOL DERIVATIVE WITH NARROW MOLECULAR WEIGHT DISTRIBUTION, AND ACETAL GROUP-CONTAINING ALCOHOL COMPOUND FOR USE THEREIN AND ALKALI METAL SALT THEREOF 有权
    用于生产具有窄分子量分布的聚亚甲基甘油衍生物的方法和用于其的含乙烯基团的醇溶液及其碱金属盐

    公开(公告)号:US20150197601A1

    公开(公告)日:2015-07-16

    申请号:US14596685

    申请日:2015-01-14

    Abstract: A method for producing a narrow molecular weight distribution polyalkylene glycol derivative having an amino group at an end is provided and allows for polymerization of ethylene oxide under mild conditions with suppressed occurrence of diol polymer impurities includes at least the steps of polymerizing ethylene oxide by using a compound represented by the following general formula (2) and converting a polymer end to R3: wherein R1 represents a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 10 carbon atoms; R2 represents a linear or branched divalent hydrocarbon group having 1 to 5 carbon atoms; R3 represents a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 20 carbon atoms; M represents sodium or potassium; m represents an integer of 1 to 5; n represents an integer of 1 to 450; and k represents an integer of 1 to 5.

    Abstract translation: 提供一种在端部具有氨基的窄分子量分布的聚亚烷基二醇衍生物的制备方法,并且在温和条件下聚合环氧乙烷并抑制二醇聚合物杂质的发生,至少包括使用 由下列通式(2)表示的化合物,并将聚合物末端转化为R3:其中R1表示具有1-10个碳原子的直链,支链或环状的一价烃基; R2表示碳原子数为1〜5的直链或支链的二价烃基; R3表示碳原子数1〜20的直链状,支链状或环状的一价烃基, M代表钠或钾; m表示1〜5的整数, n表示1〜450的整数, k表示1〜5的整数。

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