Process for the manufacture fluorocarbons
    31.
    发明授权
    Process for the manufacture fluorocarbons 失效
    制造碳氟化合物的方法

    公开(公告)号:US08354039B2

    公开(公告)日:2013-01-15

    申请号:US13153580

    申请日:2011-06-06

    IPC分类号: C09K5/04 C07C17/383

    摘要: Halocarbons of the structure CF3CF2CH2X, wherein X is either F or Cl or mixtures thereof prepared by: contacting at least one 2-fluorochloropropane with hydrogen fluoride in a first fluorination step in the gas phase or liquid phase under substantially anhydrous conditions, in the absence of added catalyst to partially fluorinate said 2-fluorochloropropane; contacting said partially fluorinated 2-fluorochloropropane with at least the stoichiometric molar equivalent of hydrogen fluoride under substantially anhydrous conditions, in the presence of at least one fluorination catalyst in a second fluorination step; removing said reaction products from contact with said catalyst, and isolating a substantial yield of at least 1,1,1,2,2,3-hexafluoropropane or 1,1,1,2,2, penta-3-chloropropane, or mixtures thereof, respectively.

    摘要翻译: 结构CF 3 CF 2 CH 2 X的卤代烃,其中X是F或Cl或其混合物,其通过以下步骤制备:在基本上无水条件下,在气相或液相中的第一氟化步骤中使至少一种2-氟氯丙烷与氟化氢接触, 加入催化剂部分氟化所述2-氟氯丙烷; 在第二次氟化步骤中,在至少一种氟化催化剂的存在下,在基本无水的条件下使所述部分氟化的2-氟氯丙烷与化学计量摩尔当量的氟化氢接触; 除去所述反应产物不与所述催化剂接触,并分离出至少1,1,1,2,2,3-六氟丙烷或1,1,1,2,2,五-3-氯丙烷或其混合物的实质产率 分别。

    Production processes for making 1,1,1,2,2,3-hexafluoropropane
    32.
    发明授权
    Production processes for making 1,1,1,2,2,3-hexafluoropropane 失效
    制备1,1,1,2,2,3-六氟丙烷的制备方法

    公开(公告)号:US08314273B2

    公开(公告)日:2012-11-20

    申请号:US12439575

    申请日:2007-09-04

    IPC分类号: C07C17/266

    CPC分类号: C07C17/278 C07C19/08

    摘要: A process for making HFC-236cb is disclosed. The process comprises reacting TFE with HFC-32 in the presence of at least one co-product and a suitable catalyst to produce a product mixture comprising HFC-236cb, wherein the total amount of the at least one co-product is at least 10 ppmv based on the total amount of the tetrafluoroethylene, the difluoromethane and the at least one co-product.

    摘要翻译: 公开了制备HFC-236cb的方法。 该方法包括在至少一种共同产物和合适的催化剂的存在下使TFE与HFC-32反应以产生包含HFC-236cb的产物混合物,其中至少一种副产物的总量至少为10ppmv 基于四氟乙烯,二氟甲烷和至少一种副产物的总量。

    1,2,3,3,3-Pentafluoropropene production processes
    33.
    发明授权
    1,2,3,3,3-Pentafluoropropene production processes 有权
    1,2,3,3,3-五氟丙烯生产工艺

    公开(公告)号:US08263816B2

    公开(公告)日:2012-09-11

    申请号:US12301065

    申请日:2007-06-22

    IPC分类号: C07C19/08 C07C17/25 C07C21/18

    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。 催化剂具有催化有效量的负载在选自氧化铝,氟化氧化铝,氟化铝及其混合物的载体上的载体,并且进料到反应区的H 2与CF 3 CClFCCl 2 F的摩尔比在约1:1和约 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。

    Catalytic addition of hydrofluorocarbons to fluoroolefins
    34.
    发明授权
    Catalytic addition of hydrofluorocarbons to fluoroolefins 失效
    向氟烯烃催化加成氢氟烃

    公开(公告)号:US08247625B2

    公开(公告)日:2012-08-21

    申请号:US12307754

    申请日:2007-07-03

    IPC分类号: C07C17/266 C07C17/26

    CPC分类号: C07C17/278 C07C19/08

    摘要: A process is disclosed for making RR1R2CCR1R2F wherein R is selected from the group consisting of CH3, CH2F, C2H4F, and F(CF2)nCH2CH2 where n is an integer from 1 to 10, each R1 is independently selected from the group consisting of H, Cl, F and CF3, and each R2 is independently selected from the group consisting of H, F and CF3. The process involves reacting RF with R1R2C═CR1R2 in the presence of SbF5 to produce a product mixture comprising RR1R2CCR1R2F, wherein the reaction temperature is from about −60° C. to about −10° C., provided that total number of carbon atoms in R1R2C═CR1R2 is 5 or less.

    摘要翻译: 公开了制备RR1R2CCR1R2F的方法,其中R选自CH 3,CH 2 F,C 2 H 4 F和F(CF 2)n CH 2 CH 2,其中n为1至10的整数,每个R 1独立地选自H, Cl,F和CF 3,并且每个R 2独立地选自H,F和CF 3。 该方法包括在SbF 5存在下使RF与R 1 R 2 C = CR 1 R 2反应以产生包含RR1R2CCR1R2F的产物混合物,其中反应温度为约-60℃至约-10℃,条件是总碳原子数 R1R2C=CR1R2为5以下。

    Process for the reduction of acidic contaminates in fluorinated hydrocarbons
    35.
    发明授权
    Process for the reduction of acidic contaminates in fluorinated hydrocarbons 失效
    降低氟化烃中酸性污染物的方法

    公开(公告)号:US08212092B2

    公开(公告)日:2012-07-03

    申请号:US12144394

    申请日:2008-06-23

    IPC分类号: C07C17/38

    CPC分类号: C07C17/38

    摘要: The present invention relates to processes for reducing the concentration of acidic impurities HF, HCl, HBr, HI, HNO3 and H2SO4 in fluorinated hydrocarbons. The process involves: (i) contacting the fluorinated hydrocarbon with a phosphorous oxyacid salt, and (ii) recovering the fluorinated hydrocarbon having reduced concentration of, or substantially free of, said acidic contaminant, provided that said fluorinated hydrocarbon is not CF3CH2CF3 or CF3CHFCF3.

    摘要翻译: 本发明涉及在氟化烃中降低酸性杂质HF,HCl,HBr,HI,HNO3和H2SO4浓度的方法。 该方法包括:(i)使氟化烃与含磷酸盐接触,和(ii)回收具有降低浓度或基本上不含所述酸性污染物的氟化烃,条件是所述氟化烃不是CF 3 CH 2 CF 3或CF 3 CHFCF 3。

    Process or the preparation of 1,1,1,3,3,3-hexafluoro-propane and at least one of 1,1,1,2,3,3-hexafluoropropane, hexafluoropropane and 1,1,1,2,3,3,3-heptafluoropropane
    36.
    发明授权
    Process or the preparation of 1,1,1,3,3,3-hexafluoro-propane and at least one of 1,1,1,2,3,3-hexafluoropropane, hexafluoropropane and 1,1,1,2,3,3,3-heptafluoropropane 失效
    1,1,1,3,3,3-六氟丙烷和1,1,1,2,3,3-六氟丙烷,六氟丙烷和1,1,1,2,3中的至少一种的方法或制备 ,3,3-七氟丙烷

    公开(公告)号:US08053611B2

    公开(公告)日:2011-11-08

    申请号:US11988258

    申请日:2006-08-04

    IPC分类号: C07C17/00

    摘要: A process is disclosed for the manufacture of 1,1,1,3,3,3-hexafluoropropane and 1,1,1,2,3,3-hexafluoropropane, hexafluoropropene and/or 1,1,1,2,3,3,3-heptafluoropropane. The process involves (a) reacting HF, Cl2, and at least one halopropene of the formula CX3CCl═CClX (where each X is independently F or Cl) to produce a product comprising CF3CCl2CF3 and CF3CClFCClF2; (b) reacting CF3CCl2CF3 and CF3CClFCClF2 produced in (a) with hydrogen, optionally in the presence of HF, to produce a product comprising CF3CH2CF3 and at least one of CHF2CHFCF3, CF3CF═CF2 and CF3CFHCF3; and (c) recovering from the product produced in (b), CF3CH2CF3 and at least one of CHF2CHFCF3, CF3CF═CF2 and CF3CFHCF3. In (a), the CF3CCl2CF3 and CF3CClFCClF2 are produced in the presence of a chlorofluorination catalyst including (i) a crystalline alpha-chromium oxide where at least 0.05 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by divalent copper, and/or (ii) a chromium-containing composition of (i) which has been treated with a fluorinating agent.

    摘要翻译: 公开了用于制造1,1,1,3,3,3-六氟丙烷和1,1,1,2,3,3-六氟丙烷,六氟丙烯和/或1,1,1,2,3, 3,3-七氟丙烷。 该方法包括(a)使HF,Cl 2和至少一种式CX3CCl = CClX(其中每个X独立地为F或Cl)的卤代丙烯反应以产生包含CF 3 CCl 2 CF 3和CF 3 CClFCClF 2的产物; (b)使(a)中制备的CF 3 CCl 2 CF 3和CF 3 CClFCClF与任选在HF存在下的氢反应,生成包含CF 3 CH 2 CF 3和CHF 2 CHFCF 3,CF 3CF≡CF2和CF 3 CFHCF 3中的至少一种的产物; 和(c)从(b)中产生的产物,CF 3 CH 2 CF 3和CHF 2 CHFCF 3,CF 3CF≡CF2和CF 3 CFHCF 3中的至少一种中回收。 在(a)中,CF 3 CCl 2 CF 3和CF 3 CClFCClF 2在氯氟化催化剂的存在下制备,包括(i)结晶α-氧化铬,其中至少0.05原子%的α-氧化铬晶格中的铬原子被二价铜 ,和/或(ⅱ)已经用氟化剂处理的(ⅰ)的含铬组合物。

    Process and methods of purification for the manufacture fluorocarbons
    37.
    发明授权
    Process and methods of purification for the manufacture fluorocarbons 有权
    用于制造碳氟化合物的方法和纯化方法

    公开(公告)号:US07981311B2

    公开(公告)日:2011-07-19

    申请号:US12440040

    申请日:2007-09-05

    IPC分类号: C09K5/04 C11D7/30

    摘要: Halocarbons of the structure CF3CF2CH2X, wherein X is either F or Cl or mixtures thereof prepared by: contacting at least one 2-fluorochloropropane with hydrogen fluoride in a first fluorination step in the gas phase or liquid phase under substantially anhydrous conditions, in the absence of added catalyst to partially fluorinate said 2-fluorochloropropane; contacting said partially fluorinated 2-fluorochloropropane with at least the stoichiometric molar equivalent of hydrogen fluoride under substantially anhydrous conditions, in the presence of at least one fluorination catalyst in a second fluorination step; removing said reaction products from contact with said catalyst, and isolating a substantial yield of at least 1,1,1,2,2,3-hexafluoropropane or 1,1,1,2,2,penta-3-chloropropane, or mixtures thereof, respectively.

    摘要翻译: 结构CF 3 CF 2 CH 2 X的卤代烃,其中X是F或Cl或其混合物,其通过以下步骤制备:在基本上无水条件下,在气相或液相中的第一氟化步骤中使至少一种2-氟氯丙烷与氟化氢接触, 加入催化剂部分氟化所述2-氟氯丙烷; 在第二次氟化步骤中,在至少一种氟化催化剂的存在下,在基本无水的条件下使所述部分氟化的2-氟氯丙烷与化学计量摩尔当量的氟化氢接触; 除去所述反应产物不与所述催化剂接触,并分离出至少1,1,1,2,2,3-六氟丙烷或1,1,1,2,2,五-3-氯丙烷或其混合物的实质产率 分别。

    Process for the Preparation of 1,1,3,3,3-Pentafluoropropene and 1,2,3,3,3-Pentafluoropropene
    38.
    发明申请
    Process for the Preparation of 1,1,3,3,3-Pentafluoropropene and 1,2,3,3,3-Pentafluoropropene 失效
    制备1,1,3,3,3-五氟丙烯和1,2,3,3,3-五氟丙烯的方法

    公开(公告)号:US20110105808A1

    公开(公告)日:2011-05-05

    申请号:US11988257

    申请日:2006-08-04

    IPC分类号: C07C17/08

    摘要: A process for the manufacture of CF3CH═CF2 and CF3CF═CHF is disclosed. The process involves (a) reacting HF and chlorine and at least one halopropene of the formula CX3CCl═CClX (where each X is independently F or Cl) to produce a product including both CF3CCl2CF3 and CF3CCIFCClF2; (b) reacting CF3CCl2CF3 and CF3CCIFCClF2 produced in (a) with hydrogen to produce a product including both CF3CH2CF3 and CF3CHFCHF2; (c) dehydrofluorinating CF3CH2CF3 and CF3CHFCHF2 produced in (b) to produce a product including both CF3CH═CF2 and CF3CF═CHF; and (d) recovering CF3CH═CF2 and CF3CF═CHF from the product produced in (c). In (a), both CF3CCl2CF3 and CF3CCIFCClF2 are produced in the presence of a chlorofluorination catalyst consisting of (i) compositions comprising a crystalline alpha-chromium oxide where at least 0.05 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by copper, and (H) compositions of (i) which have been treated with a fluorinating agent.

    摘要翻译: 公开了制备CF 3 CH 2 CF 2和CF 3 CF = CHF的方法。 该方法包括(a)使HF和氯与至少一种式CX3CCl = CClX(其中每个X独立地为F或Cl)的卤代丙烯反应以产生包含CF 3 CCl 2 CF 3和CF 3 CClFFCClF 2的产物; (b)使(a)中制备的CF 3 CCl 2 CF 3和CF 3 CClFFCClF与氢反应以产生包含CF 3 CH 2 CF 3和CF 3 CHFCHF 2的产物; (c)在(b)中制备的CF 3 CH 2 CF 3和CF 3 CHFCHF 2脱氟化氟化产生包括CF 3 CH 2 CF 2和CF 3 CF = CHF的产物; 和(d)从(c)中制备的产物中回收CF 3CH≡CF2和CF 3 CF = CHF。 在(a)中,CF 3 CCl 2 CF 3和CF 3 CClFFCClF 2是在氯氟化催化剂存在下制备的,所述氯氟化催化剂由(i)包含α-氧化铬晶格中至少0.05原子%的铬原子的结晶α-氧化铬的组合物组成 通过铜和(H)组合物(i)已用氟化剂处理。