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    METHOD FOR PURIFYING TETRAFLUOROETHYLENE
    2.
    发明公开
    METHOD FOR PURIFYING TETRAFLUOROETHYLENE 有权
    VERFAHREN ZUR REINIGUNG VON TETRAFLUORETHYLEN

    公开(公告)号：EP2269969A1

    公开(公告)日：2011-01-05

    申请号：EP09736009.3

    申请日：2009-04-03

    申请人： Asahi Glass Company, Limited

    发明人： AIDA, Shigeru ,  SATO, Manabu ,  SAKAMOTO, Takeya ,  MATSUSHITA, Nobuo ,  HAYASE, Yuuji ,  GOTOU, Tomohiro ,  FUJIWARA, Kenji

    IPC分类号： C07C17/389 ,  B01J20/10 ,  C07C21/185

    CPC分类号： C07C17/389 ,  B01D15/00 ,  B01J20/0229 ,  B01J20/0281 ,  B01J20/0288 ,  B01J20/0296 ,  B01J20/103 ,  B01J20/3204 ,  B01J20/3236 ,  C07C21/185

    摘要： To provide a method for purifying tetrafluoroethylene by removing, from tetrafluoroethylene containing a polymerization inhibitor, the polymerization inhibitor by adsorption.
    A method of bringing tetrafluoroethylene containing a polymerization inhibitor into contact with a silica gel containing a metal salt in an amount of from 250 to 100,000 mass ppm as calculated as metal atoms to remove the polymerization inhibitor by adsorption, and the metal salt is preferably a salt of a metal of Group 3 to 13 of the Periodic Table, more preferably a salt of a metal of Group 8 to 10 of the Periodic Table. For example, as the metal salt, a salt of at least one metal selected from the group consisting of iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium and platinum may be used.

    摘要翻译： 为了提供一种通过从包含聚合抑制剂的四氟乙烯中除去聚合抑制剂来提纯四氟乙烯的方法。 将含有聚合抑制剂的四氟乙烯与含有金属盐的硅胶接触的方法，所述硅胶的含量为金属原子计为250〜100,000质量ppm，通过吸附除去阻聚剂，金属盐优选为盐 的元素周期表第3〜13族的金属，更优选为元素周期表第8〜10族金属的盐。 例如，作为金属盐，可以使用选自铁，钴，镍，钌，铑，钯，锇，铱和铂中的至少一种金属的盐。