PROCESS FOR THE PREPARATION OF PENTAFLUOROETHANE
    1.
    发明申请
    PROCESS FOR THE PREPARATION OF PENTAFLUOROETHANE 审中-公开
    制备芳香醚的方法

    公开(公告)号:WO0202492A3

    公开(公告)日:2002-05-16

    申请号:PCT/US0120442

    申请日:2001-06-27

    CPC classification number: C07C19/08 C07C17/206 C07C17/21 Y02P20/582 C07C19/12

    Abstract: Disclosed is a process which achieves improved selectively of HFC-125 and/or improved HFC/HCFC ratio (and particularly HFC-125/CFC-115 ratio) by a fluorination process which comprises reacting PCE and HF in a first reaction train to produce a reaction product comprising at least (HCFC-124), separating from this reaction product at least a portion of the HCFC-124; and reacting the separated HCFC-124 with HF in a second reaction train to produce a second reaction product containing at least HFC-125.

    Abstract translation: 公开了一种通过氟化方法选择性地实现HFC-125和/或改进的HFC / HCFC比(特别是HFC-125 / CFC-115比)的方法,其包括在第一反应列中使PCE和HF反应以产生 至少包含(HCFC-124)的反应产物,从该反应产物中分离至少一部分HCFC-124; 并在第二反应列中使分离的HCFC-124与HF反应以产生至少含有HFC-125的第二反应产物。

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