Process for producing an expoxidized polymer
    61.
    发明公开
    Process for producing an expoxidized polymer 有权
    Verfahren zur Herstellung von epoxydierten Polymeren

    公开(公告)号:EP1217011A1

    公开(公告)日:2002-06-26

    申请号:EP01130217.1

    申请日:2001-12-19

    CPC classification number: C08C19/06 C08F8/08 C08F297/046

    Abstract: According to the present invention, provided is an industrially advantageous process for producing an epoxidized polymer, with safety and efficiency, wherein the epoxidation of a polymer having an olefinic carbon-carbon double bond is effected under the presence of substantially no alkali metal ion by adding an aqueous solution containing (i) ammonium tungstate and/or tungstophosphoric acid and (ii) phosphoric acid, in which the amount of (ii) phosphoric acid is not less than 0.25 moles relative to 1 gram atom of tungsten atom contained in the (i) ammonium tungstate and/or tungstophosphoric acid, and an aqueous hydrogen peroxide, separately to a solution of said polymer and a quaternary ammonium salt in an organic solvent immiscible with water.

    Abstract translation: 根据本发明,提供了一种工业上有利的安全和高效生产环氧化聚合物的方法,其中具有烯烃碳 - 碳双键的聚合物的环氧化在基本上不存在碱金属离子的情况下通过加入 含有(i)钨酸铵和/或钨磷酸铵的水溶液和(ii)磷酸,其中(ii)磷酸的量相对于(i)中所含的1克原子的钨原子不少于0.25摩尔 )钨酸铵和/或钨磷酸,以及过氧化氢水溶液,分别与所述聚合物和季铵盐在与水不混溶的有机溶剂中的溶液。

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