申请人:Arkema France
公开号:US10336669B2
公开(公告)日:2019-07-02
The present invention relates to a method for preparing hexafluorobutadiene comprising the following steps: (a) hydrodechlorinating hexachlorobutadiene to form a first stream comprising 1,2,3,4-tetrachlorobutadiene and optionally unreacted hexachlorobutadiene; (b) fluorinating the first stream comprising 1,2,3,4-tetrachlorobutadiene obtained in step (a) to form a second stream comprising 1,1,2,3,4,4-hexafluorobutane, (c) dehydrogenating the second stream comprising 1,1,2,3,4,4-hexafluorobutane to form a third stream comprising hexafluorobutadiene.
本发明涉及一种制备六氟丁二烯的方法,包括以下步骤:(a) 对六氯丁二烯进行加氢脱氯处理,形成由 1,2,3,4-四氯丁二烯和任选未反应的六氯丁二烯组成的第一液流;(b) 将步骤(a)中获得的由 1,2,3,4-四氯丁二烯组成的第一液流氟化,形成由 1,1,2,3,4,4-六氟丁烷组成的第二液流, (c) 将由 1,1,2,3,4,4-六氟丁烷组成的第二液流脱氢,形成由六氟丁二烯组成的第三液流。