Process for preparing dichlorofluoroacetyl halides
    1.
    发明授权
    Process for preparing dichlorofluoroacetyl halides 失效
    制备二氯氟乙酰卤的方法

    公开(公告)号:US6166252A

    公开(公告)日:2000-12-26

    申请号:US226121

    申请日:1999-01-07

    摘要: Process for preparing dichlorofluoroacetylfluoride (CFCl.sub.2 COF) comprising the following steps:a) fluorination with hydrofluoric acid (HF) of the trichloroacetyl halide in a fixed or fluidized tubular bed reactor, filled with fluorination catalysts and having a temperature profile between the inlet of the reactants and the outlet of the reaction products, in the range from 175.degree. C. to 275.degree. C.b) distillation of the reaction products with trichloroacetylfluoride recycle and recovery of a mixture formed by HF and CFCl.sub.2 COF;c) separation of the HF/CFCl.sub.2 COF mixture components by cooling at temperatures lower than -10.degree. C., and optionally the HF recycle.

    摘要翻译: 制备二氯氟乙酰氟(CFCl2COF)的方法包括以下步骤:a)在固定或流化的管式床反应器中用三氟乙酰卤的氢氟酸(HF)氟化,填充氟化催化剂,并且在反应物入口和 反应产物的出口在175℃至275℃的范围内。b)用三氯乙酰氟循环蒸馏反应产物并回收由HF和CFCl 2 COF形成的混合物; c)通过在低于-10℃的温度下冷却并任选地HF再循环来分离HF / CFCl 2 COF混合物组分。

    Process for producing fluorinated organic compounds
    7.
    发明申请
    Process for producing fluorinated organic compounds 有权
    氟化有机化合物的制备方法

    公开(公告)号:US20130256588A1

    公开(公告)日:2013-10-03

    申请号:US13993154

    申请日:2011-12-16

    IPC分类号: C07C41/22 C09K5/00

    摘要: A process for fluorinating hydrocarbon compounds, which comprises: A. providing a compound selected from the group consisting of straight-chain, branched-chain and cyclic alkanes, straight-chain, branched-chain and cyclic ethers, said compound comprising at least one carbon-hydrogen bond and being free from C(O)— functional groups; B. reacting said compound with fluorine in the presence of at least one (per)haloolefin comprising at least one carbon-carbon double bond and having at least one fluorine or chlorine atom on either one of the carbon atoms of said double bond, to obtain a compound wherein at least one carbon-hydrogen bond has been replaced by a carbon-fluorine bond. Compositions of partially fluorinated compounds obtained with the process are also disclosed.

    摘要翻译: 一种氟化烃化合物的方法,其包括:A.提供选自直链,支链和环烷烃,直链,支链和环醚的化合物,所述化合物包含至少一个碳 - 氢键并且不含C(O) - 官能团; 在至少一种包含至少一个碳 - 碳双键并且在所述双键的碳原子上具有至少一个氟或氯原子的(全)卤代烯烃存在下,使所述化合物与氟反应,得到 其中至少一个碳 - 氢键已被碳 - 氟键取代的化合物。 还公开了通过该方法获得的部分氟化化合物的组合物。

    Method for manufacturing perfluorovinylethers

    公开(公告)号:US09868684B2

    公开(公告)日:2018-01-16

    申请号:US13982288

    申请日:2012-02-02

    IPC分类号: C07C41/24

    CPC分类号: C07C41/24 C07C43/17

    摘要: The invention pertains to a process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): RfO—CRf′X—CRf″Rf′″X″  (I-A) wherein Rf represents a C1-C6 perfluoro(oxy)alkyl group; Rf′, Rf″ and Rf′″, equal or different from each other, independently represent fluorine atoms or C1-C5 perfluoro(oxy)alkyl groups; X and X′, equal or different from each other, are independently chosen among Cl, Br or I; wherein Rf* and Rf*′, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoro(oxy)alkyl groups; Y1 and Y2, equal or different from each other, independently represent fluorine atoms or C1-C3 perfluoroalkyl groups; X and X′ are as above defined; said process comprising contacting said halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising palladium and at least one transition metal (M) selected from the group consisting of the metals of group VIIIB, other than palladium, and of group IB.