PROCESS FOR THE MANUFACTURE OF HYDROFLUOROOLEFINS
    36.
    发明申请
    PROCESS FOR THE MANUFACTURE OF HYDROFLUOROOLEFINS 有权
    氢氟虫腈的制备方法

    公开(公告)号:US20140316171A1

    公开(公告)日:2014-10-23

    申请号:US14159591

    申请日:2014-01-21

    Applicant: Arkema Inc.

    Abstract: The invention relates to a process for manufacturing 1,1,1,2-tetrafluoropropene (1234yf, CF3-CF═CH2) from 1,1,3,3-tetrachlororopropene (1230za, CCl2CH—CHCl2) and/or 1,1,1,3,3-pentachloropropane (240fa, CCl3CH2CHCl2). The process comprises a step of isomerization of 1,1,3,3-tetrafluoropropene (1230za) to 1,1,2,3-tetrachloropropene (1230xa) followed by conversion of the 1,1,2,3-tetrachloropropene (1230xa) to 1,1,1,2-tetrafluoropropene (1234yf) via a hydrofluorination process.

    Abstract translation: 本发明涉及从1,1,3,3-四氯丙烯(1230za,CCl 2 CH-CHCl 2)和/或1,1,3,3-四氯丙烯制备1,1,1,2-四氟丙烯(1234yf,CF 3 -CF = CH 2) 1,3,4-三氯丙烷(240fa,CCl 3 CH 2 CHCl 2)。 该方法包括将1,1,3,3-四氟丙烯(1230za)异构化为1,1,2,3-四氯丙烯(1230xa),然后转化1,1,2,3-四氯丙烯(1230xa) 通过氢氟化方法与1,1,1,2-四氟丙烯(1234yf)反应。

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