Catalysts and process to manufacture 2,3,3,3-tetrafluoropropene
    11.
    发明授权
    Catalysts and process to manufacture 2,3,3,3-tetrafluoropropene 有权
    催化剂和制备2,3,3,3-四氟丙烯的方法

    公开(公告)号:US08227649B2

    公开(公告)日:2012-07-24

    申请号:US13188787

    申请日:2011-07-22

    IPC分类号: C07C17/00

    CPC分类号: C07C17/25 C07C21/18

    摘要: Disclosed is a process for the manufacture of 2,3,3,3-tetrafluoropropene comprising: (a) contacting 1,1,1,2,3-pentafluoropropane with a catalyst comprised of chromium (III) oxide and from 0.1% to 2% of an alkali metal disposed on the surface of said catalyst, to produce a product mixture comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride; and (b) recovering said 2,3,3,3-tetrafluoropropene from the product mixture produced in (a).

    摘要翻译: 公开了一种制备2,3,3,3-四氟丙烯的方法,包括:(a)将1,1,1,2,3-五氟丙烷与由氧化铬(III)和0.1%至2 设置在所述催化剂表面上的碱金属的%,以产生包含2,3,3,3-四氟丙烯和氟化氢的产物混合物; 和(b)从(a)中制备的产物混合物回收所述2,3,3,3-四氟丙烯。

    COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE, 2-CHLORO-2,3,3,3-TETRAFLUOROPROPANOL, 2-CHLORO-2,3,3,3-TETRAFLUORO-PROPYL ACETATE OR ZINC (2-CHLORO-2,3,3,3-TETRAFLUOROPROPOXY) CHLORIDE
    12.
    发明申请
    COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE, 2-CHLORO-2,3,3,3-TETRAFLUOROPROPANOL, 2-CHLORO-2,3,3,3-TETRAFLUORO-PROPYL ACETATE OR ZINC (2-CHLORO-2,3,3,3-TETRAFLUOROPROPOXY) CHLORIDE 失效
    包含2,3,3,3-四氢呋喃,2-氯-2,3,3,3-四氢氟丙醇,2-氯-2,2,3,3-四氢丙酸乙酯或ZINC(2-氯-2)的组合物 3,3,3-TETRAFLOOROPROPOXY)氯化物

    公开(公告)号:US20120168672A1

    公开(公告)日:2012-07-05

    申请号:US13405657

    申请日:2012-02-27

    IPC分类号: C09K5/00

    CPC分类号: C09K5/045 C09K2205/126

    摘要: Compositions comprising CF3CClFCH2OH, CF3CClFCH2OZnCl, and CF3CClFCH2OC(═O)CH3 are useful in processes to make HFO-1234yf. Compositions comprising HFO-1234yf may comprise at least one additional compound selected from the group consisting of CFC-114a, HCFC-124, HFC-143a, CFO-1113, HFO-1123, HFO-1132a, tetrafluoroethene, HCFO-1122, 3,4,4,4-tetrafluoro-2-butanone, acetyl fluoride, 2-chloro-2,3,3,3-tetrafluoropropanol, 2-chloro-2,3,3,3-tetrafluoropropyl acetate, Zinc (2-chloro-2,3,3,3-tetrafluoropropoxy)chloride, 2-chloro-2,3,3,3-tetrafluoropropoxy methyl acetate, 1,3-bistrifluoromethyl-1,3-difluorocyclobutane, 2,3,3,3-tetrafluoropropyl acetate, dimethylformamide, pyridine, ethyl acetate, acetic acid, diethyl ether, acetic anhydride, methyl acetate, dimethylacetamide, methanol, ethanol, methyl formate, pyrazine, pyrimidine, N-methylpyrrolidine, N-methylpiperidine, hexamethylphosphoramide, tetrahydrofuran, 1,4-dioxane, N-methylpyrrolidinone, dimethyl sulfoxide, acetonitrile, benzonitrile, and mixtures thereof. Compositions comprising HFO-1234yf are useful, among other uses, as heat transfer compositions for use in refrigeration, air-conditioning and heat pump systems.

    摘要翻译: 包含CF 3 CClFCH 2 OH,CF 3 CClFCH 2 OZnCl和CF 3 CClFCH 2 OC(= O)CH 3的组合物可用于制备HFO-1234yf的方法中。 包含HFO-1234yf的组合物可以包含至少一种选自CFC-114a,HCFC-124,HFC-143a,CFO-1113,HFO-1123,HFO-1132a,四氟乙烯,HCFO-1122,3, 4,4,4-四氟-2-丁酮,乙酰氟,2-氯-2,3,3,3-四氟丙醇,2-氯-2,3,3,3-四氟丙基乙酸酯,锌(2-氯 - 2,3,3,3-四氟丙氧基)氯化物,2-氯-2,3,3,3-四氟丙氧基甲酸乙酯,1,3-双三氟甲基-1,3-二氟环丁烷,乙酸2,3,3,3-四氟丙酯 吡啶,乙酸乙酯,乙酸甲酯,二甲基乙酰胺,甲醇,乙醇,甲酸甲酯,吡嗪,嘧啶,N-甲基吡咯烷,N-甲基哌啶,六甲基磷酰胺,四氢呋喃,1,4-二恶烷 ,N-甲基吡咯烷酮,二甲基亚砜,乙腈,苄腈及其混合物。 包括HFO-1234yf的组合物在其它用途中可用作用于制冷,空调和热泵系统的热传递组合物。

    Compositions comprising 3,3,3-trifluoropropyne
    13.
    发明授权
    Compositions comprising 3,3,3-trifluoropropyne 有权
    包含3,3,3-三氟丙炔的组合物

    公开(公告)号:US08147709B2

    公开(公告)日:2012-04-03

    申请号:US12437014

    申请日:2009-05-07

    IPC分类号: C09K5/04

    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。

    Processes for the synthesis of 2-chloro-1,1,1,3,3,4,4,4-heptafluoro-2-butene and hexafluoro-2-butyne
    14.
    发明授权
    Processes for the synthesis of 2-chloro-1,1,1,3,3,4,4,4-heptafluoro-2-butene and hexafluoro-2-butyne 失效
    合成2-氯-1,1,1,3,3,4,4,4-七氟-2-丁烯和六氟-2-丁炔的方法

    公开(公告)号:US08143462B2

    公开(公告)日:2012-03-27

    申请号:US12334873

    申请日:2008-12-15

    IPC分类号: C07C17/25

    摘要: Disclosed is a process comprising reacting CF3CCl2CF2CF3 (CFC-318ma) with hydrogen in the presence of a dehalogenation catalyst to produce CF3CCl═CFCF3 (CFC-1317mx). Also disclosed is a process comprising reacting CF3CCl═CFCF3 (CFC-1317mx) with hydrogen in the presence of a dehalogenation catalyst to produce CF3C≡CCF3 (hexafluoro-2-butyne). Hexafluoro-2-butyne can be used to produce CF3CH═CHCF2CF3 (1,1,1,4,4,5,5,5-octafluoro-2-pentene).

    摘要翻译: 公开了一种方法,其包括在脱卤催化剂存在下使CF 3 CCl 2 CF 2 CF 3(CFC-318ma)与氢气反应以产生CF 3 CCl = CFCF 3(CFC-1317mx)。 还公开了包括在脱卤催化剂存在下使CF 3 CCl = CFCF 3(CFC-1317mx)与氢气反应以产生CF 3C≡CCF3(六氟-2-丁炔)的方法。 六氟-2-丁炔可用于制备CF 3 CH = CHCF 2 CF 3(1,1,1,4,4,5,5,5-八氟-2-戊烯)。

    Catalytic isomerization between E and Z isomers of 1,2,3,3,3-pentafluoropropene
    15.
    发明授权
    Catalytic isomerization between E and Z isomers of 1,2,3,3,3-pentafluoropropene 失效
    1,2,3,3,3-五氟丙烯的E和Z异构体之间的催化异构化

    公开(公告)号:US08044252B2

    公开(公告)日:2011-10-25

    申请号:US12373588

    申请日:2007-07-11

    IPC分类号: C07C17/00

    摘要: A process is disclosed to increase the Z/E ratio of 1,2,3,3,3-pentafluoropropene. The process involves contacting a starting material comprising 1,2,3,3,3-pentafluoropropene with a catalyst on AlF3 or carbon, wherein the catalyst is selected from the group consisting of SbClwF5-w, TiClxF4-x, SnClyF4-y and TaCl2F5-z wherein w is from 0 to 4, x is from 0 to 3, y is from 0 to 3, z is from 0 to 4, to obtain a product wherein the Z/E ratio of 1,2,3,3,3-pentafluoropropene is increased relative to the Z/E ratio of 1,2,3,3,3-pentafluoropropene in the starting material.A process is also disclosed to decrease the Z/E ratio of 1,2,3,3,3-pentafluoropropene. The process involves contacting a starting material comprising 1,2,3,3,3-pentafluoropropene with a catalyst on AlF3 or carbon, wherein the catalyst is selected from the group consisting of SbClwF5-w, TiClxF4-x, SnClyF4-y and TaClzF5-z wherein w is from 0 to 4, x is from 0 to 3, y is from 0 to 3, z is from 0 to 4, to obtain a product wherein the Z/E ratio of 1,2,3,3,3-pentafluoropropene is decreased relative to the Z/E ratio of 1,2,3,3,3-pentafluoropropene in the starting material.

    摘要翻译: 公开了提高1,2,3,3,3-五氟丙烯的Z / E比的方法。 该方法包括使包含1,2,3,3,3-五氟丙烯的起始材料与AlF 3或碳上的催化剂接触,其中催化剂选自SbClwF5-w,TiClxF4-x,SnClyF4-y和TaCl2F5 -z其中w为0至4,x为0至3,y为0至3,z为0至4,得到其Z / E比为1,2,3,3, 3-五氟丙烯相对于起始原料中1,2,3,3,3-五氟丙烯的Z / E比增加。 还公开了降低1,2,3,3,3-五氟丙烯的Z / E比的方法。 该方法包括将包含1,2,3,3,3-五氟丙烯的原料与AlF 3或碳上的催化剂接触,其中催化剂选自SbClwF5-w,TiClxF4-x,SnClyF4-y和TaClzF5 -z其中w为0至4,x为0至3,y为0至3,z为0至4,得到其Z / E比为1,2,3,3, 3-五氟丙烯相对于起始原料中1,2,3,3,3-五氟丙烯的Z / E比降低。

    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。