Tetrafluoropropene production processes
    41.
    发明授权
    Tetrafluoropropene production processes 有权
    四氟丙烯生产工艺

    公开(公告)号:US08377327B2

    公开(公告)日:2013-02-19

    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 3CF≡CH2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 3CF≡CH2和CF 3 CH = CHF的产物混合物,并从产物混合物中回收所述CF 3CF≡CH2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。

    Process for the manufacture fluorocarbons
    42.
    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。

    1,2,3,3,3-Pentafluoropropene production processes
    43.
    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。

    CATALYTICAL DEHYDROCHLORINATION OF HYDROCHLOROFLUOROCARBONS
    44.
    发明申请
    CATALYTICAL DEHYDROCHLORINATION OF HYDROCHLOROFLUOROCARBONS 有权
    氢氯化物的催化脱氢

    公开(公告)号:US20120215037A1

    公开(公告)日:2012-08-23

    申请号:US13370337

    申请日:2012-02-10

    IPC分类号: C07C17/25

    CPC分类号: C07C17/25 C07C21/18

    摘要: A dehydrochlorination process is disclosed. The process involves contacting RfCFClCH2X with a catalyst in a reaction zone to produce a product mixture comprising RfCF═CHX, wherein said catalyst comprises MY supported on carbon, and wherein Rf is a perfluorinated alkyl group, X═H, F, Cl, Br or I, M=K, Na or Cs, and Y═F, Cl or Br.

    摘要翻译: 公开了一种脱氯化氢方法。 该方法包括使RfCFClCH 2 X与反应区中的催化剂接触以产生包含RfCF = CHX的产物混合物,其中所述催化剂包含负载在碳上的MY,其中Rf是全氟化烷基,X = H,F,Cl,Br或 I,M = K,Na或Cs,Y = F,Cl或Br。

    Catalytic addition of hydrofluorocarbons to fluoroolefins
    46.
    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。

    1,2,3,3,3-pentafluoropropene production processes
    47.
    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:US08232435B2

    公开(公告)日:2012-07-31

    申请号:US12440046

    申请日:2007-09-05

    IPC分类号: C07C17/00

    摘要: The present disclosure relates to a new and efficient manufacturing process for the production of HFC-1225ye. The process involves contacting at least one hexafluoropropane selected from the group consisting of 1,1,1,2,2,3-hexafluoropropane and 1,1,1,2,3,3-hexafluoropropane with a suitable catalyst in a reactor to obtain a product mixture containing HFC-1225ye (1,2,3,3,3-pentafluoropropene) where the pressure in the reactor ranges from about 0.5 psig to about 100 psig.

    摘要翻译: 本公开涉及用于生产HFC-1225ye的新的和有效的制造方法。 该方法包括将至少一种选自1,1,1,2,2,3-六氟丙烷和1,1,1,2,3,3-六氟丙烷的六氟丙烷与合适的催化剂在反应器中接触以获得 含有HFC-1225ye(1,2,3,3,3-五氟丙烯)的产物混合物,其中反应器中的压力为约0.5psig至约100psig。

    COMPOSITIONS COMPRISING 1,1,1,2,3-PENTAFLUOROPROPANE OR 2,3,3,3- TETRAFLUOROPROPENE
    48.
    发明申请
    COMPOSITIONS COMPRISING 1,1,1,2,3-PENTAFLUOROPROPANE OR 2,3,3,3- TETRAFLUOROPROPENE 有权
    包含1,1,1,2,3-二芳基或2,3,3,3-四氯丙烯的组合物

    公开(公告)号:US20120165578A1

    公开(公告)日:2012-06-28

    申请号:US13408686

    申请日:2012-02-29

    IPC分类号: C07C21/18 C07C19/08

    摘要: Disclosed are compositions comprising HFC-245eb and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-245fa, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC-23, HFC-143a, HFC-134, HFC-134a, FC-1216, HFO-1234yf, HFC-254eb, HFO-1243zf, and HFC-254fb. Compositions comprising HFC-245eb are useful in processes to make HFO-1234yf. Also disclosed are compositions comprising HFO-1234yf and at least one additional compound selected from the group consisting of HFO-1234ze, HFC-254eb, HFC-254fb, HFO-1243zf, HFCHFC-245eb, HFC-245fa, HFC-245cb, HFC-236cb, HFC-236ea, HFC-236fa, HFC-227ea, HFC-227ca, HFO-1225yc, HFO-1225zc, HFO-1225ye, methane, ethane, propane, HFC-23, HFC-134, HFC-134a, HFO-1132a and FC-1216. Compositions comprising HFO-1234yf are useful as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.

    摘要翻译: 公开了包含HFC-245eb和至少一种选自HFO-1234ze,HFC-245fa,HFC-236cb,HFC-236ea,HFC-236fa,HFC-227ea,HFC-227ca,HFO-1225yc ,HFO-1225zc,HFO-1225ye,甲烷,乙烷,丙烷,HFC-23,HFC-143a,HFC-134,HFC-134a,FC-1216,HFO-1234yf,HFC-254eb,HFO-1243zf和HFC- 254fb。 包含HFC-245eb的组合物可用于制备HFO-1234yf的方法。 还公开了包含HFO-1234yf和至少一种选自HFO-1234ze,HFC-254eb,HFC-254fb,HFO-1243zf,HFCHFC-245eb,HFC-245fa,HFC-245cb,HFC- 236cb,HFC-236ea,HFC-236fa,HFC-227ea,HFC-227ca,HFO-1225yc,HFO-1225zc,HFO-1225ye,甲烷,乙烷,丙烷,HFC-23,HFC-134,HFC-134a, 1132a和FC-1216。 包含HFO-1234yf的组合物可用作用于制冷,空调和热泵系统的热转印组合物。