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    • 57. 发明专利
    • Method for purifying quaternary ammonium salt
    • 净化季铵盐的方法
    • JP2005272311A
    • 2005-10-06
    • JP2004084063
    • 2004-03-23
    • Koei Chem Co Ltd広栄化学工業株式会社
    • NISHIMOTO YOSHIHIRO
    • C07C213/10C07C217/08
    • PROBLEM TO BE SOLVED: To provide an industrially advantageous method for producing a high-quality quaternary ammonium salt by which a fluorine component in the quaternary ammonium salt can simply be removed irrespective of a state of the quaternary ammonium salt.
      SOLUTION: The quaternary ammonium salt containing the fluorine component is purified with at least one kind of metal hydroxide selected from the group consisting of an alkali metal hydroxide and an alkaline earth metal hydroxide or at least one kind of metal oxide selected from the group consisting of an alkali metal oxide and an alkaline earth metal oxide.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 待解决的问题:提供一种工业上有利的方法,用于生产高品质季铵盐,通过其可以简单地除去季铵盐中的氟成分,而不考虑季铵盐的状态。 解决方案:含有氟成分的季铵盐用至少一种选自碱金属氢氧化物和碱土金属氢氧化物的金属氢氧化物或至少一种选自以下的金属氧化物进行纯化: 由碱金属氧化物和碱土金属氧化物组成的组。 版权所有(C)2006,JPO&NCIPI