Process for the manufacture of halogenated propanes containing
end-carbon fluorine
    11.
    发明授权
    Process for the manufacture of halogenated propanes containing end-carbon fluorine 有权
    制造含有末端碳氟的卤代丙烷的方法

    公开(公告)号:US6066769A

    公开(公告)日:2000-05-23

    申请号:US155841

    申请日:1998-10-06

    摘要: A process is disclosed for producing a compound of the formula: CF.sub.3 CHXCF.sub.3-z Y.sub.2 where X and Y are independently selected from the group consisting of H and Cl, and z is 0 or 1. The process involves (1) contacting CCl.sub.3 CHXCC.sub.3-z Y.sub.z,CCl.sub.2-z .dbd.CXCC.sub.3, and/or CCl.sub.2 CX.dbd.CC.sub.3-z Y.sub.z starting material, with hydrogen fluoride at a temperature of less than 200.degree. C. to produce a fluorination product of said starting material which includes at least 90 mole percent total of C.sub.3 HXY.sub.z Cl.sub.6-z-x F.sub.x saturated compounds and C.sub.3 XY.sub.z Cl.sub.5-z-y F.sub.y olefinic compounds, wherein x is an integer from 1 to 6-z and y is an integer from 1 to 5-z, (the fluorination product including no more than about 40 mole percent of the desired product, CF.sub.3 CHXCF.sub.3-z Y.sub.z); (2) contacting saturated compounds and olefinic compounds produced in (1) with hydrogen fluoride in the vapor phase at a temperature of from 200.degree. C. to about 400.degree. C. in the presence of a fluorination catalyst; and (3) reacting a sufficient amount of said compounds, wherein x is an integer from 1 to 5-z and olefinic compounds produced in (1) with hydrogen fluoride in the vapor phase at a temperature of from 200.degree. C. to about 400.degree. C. in the presence of a vapor phase fluorination catalyst to provide an overall selectivity to CF.sub.3 CHXCF.sub.3-z Y.sub.z of at least about 90 percent based upon the amount of starting material reacted with HF in (1) and (2).

    摘要翻译: PCT No.PCT / US97 / 06013 371 1998年10月6日第 102(e)日期1998年10月6日PCT 1997年4月4日PCT PCT。 WO97 / 37956 PCT公开号 日期1997年10月16日公开了制备下式化合物的方法:CF 3 CHXCF 3 -ZY 2其中X和Y独立地选自H和Cl,z是0或1.该方法包括(1) CCl 3 CHXCC 3 -ZYz,CCl 2 -Z = CXCC 3和/或CCl 2 C X = CCl 3 -ZYz起始原料,在低于200℃的温度下加入氟化氢,以产生所述原料的氟化产物,其包含至少90摩尔% 总共C3HXYzCl6-z-xFx饱和化合物和C3XYzCl5-z-yFy烯属化合物,其中x是1至6-z的整数,y是1至5-z的整数(氟化产物不超过约 40摩尔%的所需产物,CF 3 CHXCF 3 -ZYz); (2)在氟化催化剂存在下,将温度为200℃至约400℃的气相中的(1)中产生的饱和化合物和烯烃化合物与氟化氢接触; 和(3)将足量的所述化合物(其中x是1至5-z的整数)和(1)中制备的烯烃化合物与气相中的氟化氢在200℃至约400℃的温度下反应 在气相氟化催化剂的存在下,基于在(1)和(2)中与HF反应的原料的量,提供至少约90%的CF 3 CHXCF 3 -ZYz的总体选择性。

    Perhalofluorinated butanes and hexanes
    12.
    发明授权
    Perhalofluorinated butanes and hexanes 失效
    全氟化丁烷和己烷

    公开(公告)号:US6066768A

    公开(公告)日:2000-05-23

    申请号:US738117

    申请日:1996-10-25

    摘要: The instant invention relates to producing perhalofluorobutanes and perhalofluorohexanes, more particularly it relates to their production by utilizing tetrafluoroethylene (hereinafter referred to as "TFE") and chlorotrifluoro-ethylene (hereinafter referred to as "CTFE") with selected perhalofluoroethanes containing 2 to 4 nonfluorine halogen and 2 to 4 fluorine substituents in the presence of a polyvalent metal halide such as an aluminum chloride or chlorofluoride as catalyst.

    摘要翻译: 本发明涉及生产全氟全氟代丁烷和全卤代己烷,更具体地说,涉及其使用四氟乙烯(以下称为“TFE”)和氯三氟乙烯(以下称为“CTFE”)的制备方法,该选择性全卤代乙烷含有2-4个非氟 卤素和2至4个氟取代基在多价金属卤化物如氯化铝或氯氟化物作为催化剂存在下进行。

    1,2,3,3,3-PENTAFLUROPROPENE PRODUCTION PROCESSES
    14.
    发明申请
    1,2,3,3,3-PENTAFLUROPROPENE PRODUCTION PROCESSES 审中-公开
    1,2,3,3,3-苯甲烯生产工艺

    公开(公告)号:US20120267567A1

    公开(公告)日:2012-10-25

    申请号:US13539963

    申请日:2012-07-02

    IPC分类号: C09K3/00

    摘要: A process is disclosed for making CF3CF═CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF═CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1.Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.

    摘要翻译: 公开了一种制备CF 3 CF = CHF的方法。 该方法包括在反应区中在催化剂存在下使CF 3 CClFCCl 2 F与H 2反应以产生包含CF 3 CF = CHF的产物混合物。 催化剂具有负载在选自氧化铝,氟化氧化铝,氟化铝及其混合物的载体上的催化有效量的钯,并且进料至反应区的H 2与CF 3 CClFCCl 2 F的摩尔比为约1:1至约 5:1。 还公开了CF 3 CClFCCl 2 F和HF的共沸组合物和CF 3 CHFCH 2 F和HF的共沸组合物。

    Processes for producing and compositions comprising 2,3,3,3-tetrafluoropropene and/or 1,2,3,3-tetrafluoropropene
    16.
    发明授权
    Processes for producing and compositions comprising 2,3,3,3-tetrafluoropropene and/or 1,2,3,3-tetrafluoropropene 失效
    制备方法和包含2,3,3,3-四氟丙烯和/或1,2,3,3-四氟丙烯的组合物

    公开(公告)号:US07981312B2

    公开(公告)日:2011-07-19

    申请号:US12442952

    申请日:2007-10-31

    摘要: A process is disclosed for making CF3CF═CH2 or mixtures thereof with CHF═CFCHF2. The process involves contacting CCl3CF2CF3 and optionally CCl2FCF2CClF2 with H2 in the presence of a palladium catalyst supported on a support of alumina, fluorided alumina and/or aluminum fluoride, to produce a product mixture including CH2═CFCF3 (and when CCl2FCF2CClF2 is present, CHF═CFCHF2); recovering CH2═CFCF3 or a mixture thereof with CHF═CFCHF2 from the product mixture. The present invention also provides another process that involves reacting CCl3CF2CF3 and optionally CCl2FCF2CClF2 with H2 in the presence of a hydrogenation catalyst to form CH3CF2CF3 (and when CCl2FCF2CClF2 is present, CH2FCF2CHF2); dehydrofluorinating; and recovering CH2═CFCF3 or a mixture thereof with CHF═CFCHF2.

    摘要翻译: 公开了制备CF 3CF≡CH2或其与CHF = CFCHF 2的混合物的方法。 该方法包括在负载在氧化铝,氟化氧化铝和/或氟化铝载体上的钯催化剂存在下,将CCl 3 CF 2 CF 3和任选的CCl 2 FFCFCl 2与H 2接触,以产生包含CH 2 = CFCF 3的产物混合物(当存在CCl 2 CFF 2 CClF 2时,CHF = CFCHF 2); 从产物混合物中回收CH 2 = CFCF 3或其与CHF = CFCHF 2的混合物。 本发明还提供了另一种方法,其包括在氢化催化剂存在下使CCl 3 CF 2 CF 3和任选的CCl 2 F F 2​​ CClF 2与H 2反应以形成CH 3 CF 2 CF 3(当存在CCl 2 CFF 2 CClF 2时,CH 2 F 2 F F F 2​​); 脱氟化氢; 并回收CH 2 = CFFF 3或其与CHF = CFCHF 2的混合物。

    Tetrafluoropropene Production Processes
    19.
    发明申请
    Tetrafluoropropene Production Processes 有权
    四氟丙烯生产工艺

    公开(公告)号:US20100200798A1

    公开(公告)日:2010-08-12

    申请号:US12758839

    申请日:2010-04-13

    IPC分类号: C09K5/04

    摘要: A process is disclosed for the manufacture of CF3CF=CH2 and CF3CH=CHF. The process involves dehydrofluorinating CF3CHFCH2F in the presence of a dehydrofluorination catalyst to produce a product mixture comprising CF3CF=CH2 and CF3CH=CHF, and recovering said CF3CF=CH2 and CF3CH=CHF from the product mixture.The present invention also provides a composition comprising (a) the Z-isomer of CF3CH=CHF and (b) HF; wherein the HF is present in an effective amount to form an azeotropic combination with the Z-CF3CH=CHF.

    摘要翻译: 公开了用于制造CF 3 CF = CH 2和CF 3 CH = CHF的方法。 该方法包括在脱氟化氢催化剂存在下对CF 3 CHFCH 2 F进行脱氟化氢,以产生包含CF 3 CF = CH 2和CF 3 CH = CHF的产物混合物,并从产物混合物中回收所述CF 3 CF = CH 2和CF 3 CH = CHF。 本发明还提供了包含(a)CF 3 CH = CHF的Z-异构体和(b)HF的组合物; 其中HF以有效量存在以与Z-CF 3 CH = CHF形成共沸组合。