Process for perhalofluorinated butanes and hexanes
    41.
    发明授权
    Process for perhalofluorinated butanes and hexanes 失效
    全氟化丁烷和己烷的方法

    公开(公告)号:US06207869B1

    公开(公告)日:2001-03-27

    申请号:US09519791

    申请日:2000-03-07

    IPC分类号: C07C1908

    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。

    Process for the manufacture of halogenated propanes containing
end-carbon fluorine
    42.
    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
    43.
    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。

    Process for preparation of fluorinated hydrocarbons
    44.
    发明授权
    Process for preparation of fluorinated hydrocarbons 失效
    氟化烃的制备方法

    公开(公告)号:US5770779A

    公开(公告)日:1998-06-23

    申请号:US778427

    申请日:1997-01-02

    CPC分类号: C07C17/206 C07C17/21

    摘要: This invention is a process for the selective preparation of fluorinated hydrocarbons from chlorinated hydrocarbons while minimizing formation of oligomeric and polymeric byproducts. The process comprises providing a liquid phase containing chlorinated hydrocarbon, HF, a tin catalyst, and at least one compound selected from the group consisting of metal and nonmetal alkoxides, and heating the mixture and isolating the fluorinated hydrocarbon formed.

    摘要翻译: 本发明是一种从氯化烃中选择性制备氟化烃的方法,同时最小化低聚物和聚合副产物的形成。 该方法包括提供含有氯化烃,HF,锡催化剂和至少一种选自金属和非金属醇盐的化合物的液相,并加热混合物并分离形成的氟化烃。

    Phosphorus-containing stabilizers for fluoroolefins
    47.
    发明授权
    Phosphorus-containing stabilizers for fluoroolefins 有权
    用于氟烯烃的含磷稳定剂

    公开(公告)号:US08529786B2

    公开(公告)日:2013-09-10

    申请号:US12377474

    申请日:2007-08-31

    IPC分类号: C09K5/04

    CPC分类号: C09K5/045 C09K2205/126

    摘要: The present disclosure relates to compositions comprising at least one fluoroolefin and an effective amount of a stabilizer comprising at least one phosphorus-containing compound selected from the group consisting of thiophosphates, butylated triphenylphosphorothionates, and organophosphates. The stabilized compositions may be useful in cooling apparatus, such as refrigeration, air-conditioning, chillers and heat pumps, as well as in applications as foam blowing agents, solvents, aerosol propellants, fire extinguishants, and sterilants.

    摘要翻译: 本公开涉及包含至少一种氟代烯烃和有效量的稳定剂的组合物,其包含至少一种选自硫代磷酸酯,丁基化三苯基硫代硫酸酯和有机磷酸酯的含磷化合物。 稳定的组合物可用于冷却装置,例如制冷,空调,冷却器和热泵,以及作为泡沫发泡剂,溶剂,气溶胶推进剂,灭火剂和灭菌剂的应用。

    Conversion of 2-chloro-1,1,1,2-tetrafluoropropane to 2,3,3,3-tetrafluoropropene
    48.
    发明授权
    Conversion of 2-chloro-1,1,1,2-tetrafluoropropane to 2,3,3,3-tetrafluoropropene 有权
    将2-氯-1,1,1,2-四氟丙烷转化为2,3,3,3-四氟丙烯

    公开(公告)号:US08445735B2

    公开(公告)日:2013-05-21

    申请号:US13478253

    申请日:2012-05-23

    IPC分类号: C07C17/25

    CPC分类号: C07C17/25 C07C21/18

    摘要: Described is a method for producing fluoropropenes of formula CF3CX═CX2 wherein each X is F or H, at least one X is H, and at least one X is F, comprising pyrolyzing a hydrofluorochloropropane of formula CF3CXYCX2Y, wherein each X is F or H, at least one X is H, and at least one X is F, and one Y is Cl and the other Y is H, in the gas-phase in a reaction vessel, maintained at a temperature high enough to effect the pyrolysis of said hydrofluorochloropropane to said fluoropropene, wherein the selectivity for the production of the fluoropropene is at least 80%, in he absence of a catalyst.

    摘要翻译: 描述了制备式CF 3 C X = CX 2的氟丙烯的方法,其中每个X是F或H,至少一个X是H,并且至少一个X是F,包括热解式CF 3 C XYCX 2 Y的氢氟氯丙烷,其中每个X是F或H ,至少一个X是H,至少一个X是F,一个Y是Cl,另一个Y是H,在反应容器中的气相中,保持在足够高的温度下,使所说的 氢氟丙烷与所述氟丙烯反应,其中在不存在催化剂的情况下,氟代丙烯的制备选择性为至少80%。

    1,2,3,3,3-PENTAFLUROPROPENE PRODUCTION PROCESSES
    49.
    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。