Integrated process to produce 2,3,3,3-tetrafluoropropene
    1.
    发明授权
    Integrated process to produce 2,3,3,3-tetrafluoropropene 有权
    一体化方法生产2,3,3,3-四氟丙烯

    公开(公告)号:US08058486B2

    公开(公告)日:2011-11-15

    申请号:US12404130

    申请日:2009-03-13

    IPC分类号: C07C17/25

    摘要: A method for preparing 2,3,3,3-tetrafluoroprop-1-ene comprising (a) providing a starting composition comprising at least one compound having a structure selected from Formulae I, II and III: CX2═CCl—CH2X  (Formula I) CX3—CCl═CH2  (Formula II) CX3—CHCl—CH2X  (Formula III) wherein X is independently selected from F, Cl, Br, and I, provided that at least one X is not fluorine; (b) contacting said starting composition with a first fluorinating agent to produce a first intermediate composition comprising 2-chloro-3,3,3-trifluoropropene and a first chlorine-containing byproduct; (c) contacting said first intermediate composition with a second fluorinating agent to produce a second intermediate composition comprising 2-chloro-1,1,1,2-tetrafluoropropane and a second chlorine-containing byproduct; and (d) catalytically dehydrochlorinating at least a portion of said 2-chloro-1,1,1,2-tetrafluoropropane to produce a reaction product comprising 2,3,3,3-tetrafluoroprop-1-ene.

    摘要翻译: 一种制备2,3,3,3-四氟丙-1-烯的方法,包括(a)提供起始组合物,其包含至少一种具有选自式I,II和III的结构的化合物:CX2 = CCl-CH2X(式I )CX3-CCl = CH2(式II)CX3-CHCl-CH2X(式III)其中X独立地选自F,Cl,Br和I,条件是至少一个X不是氟; (b)使所述起始组合物与第一氟化剂接触以产生包含2-氯-3,3,3-三氟丙烯和第一含氯副产物的第一中间体组合物; (c)使所述第一中间体组合物与第二氟化剂接触以产生包含2-氯-1,1,1,2-四氟丙烷和第二含氯副产物的第二中间体组合物; 和(d)将至少一部分所述2-氯-1,1,1,2-四氟丙烷催化脱氯化氢以产生包含2,3,3,3-四氟丙-1-烯的反应产物。

    METHOD FOR PRODUCING TETRAFLUOROPROPENES
    3.
    发明申请
    METHOD FOR PRODUCING TETRAFLUOROPROPENES 有权
    生产四氢呋喃的方法

    公开(公告)号:US20110270000A1

    公开(公告)日:2011-11-03

    申请号:US13073023

    申请日:2011-03-28

    IPC分类号: C07C17/23

    摘要: The current invention relates to a process for making a tetrafluoropropene using a tetrafluorochloropropane and/or a pentafluoropropane as starting or intermediate reagents. More specifically, though not exclusively, the present invention relates to a novel method for preparing a tetrafluoropropene by dehydrohalogenating a starting or intermediate tetrafluorochloropropane and/or pentafluoropropane material in the presence of a caustic solution at a temperature range greater than 40° C. and less than or equal to 80° C.

    摘要翻译: 本发明涉及使用四氟氯丙烷和/或五氟丙烷作为起始剂或中间体试剂制备四氟丙烯的方法。 更具体地说,本发明涉及一种通过在苛性碱溶液存在下,在大于40℃和更低的温度范围内将起始或中间四氟氯丙烷和/或五氟丙烷物质脱卤化氢来制备四氟丙烯的新方法 超过或等于80℃

    Method of making 1,1,1-trifluoroethane
    5.
    发明授权
    Method of making 1,1,1-trifluoroethane 有权
    制备1,1,1-三氟乙烷的方法

    公开(公告)号:US07071368B1

    公开(公告)日:2006-07-04

    申请号:US11054029

    申请日:2005-02-09

    摘要: A process for producing 1,1,1-trifluoroethane (HFC-143a) which process comprises reacting hydrogen fluoride with vinylidene chloride along with one or more of 1,1,-dichloro-1-fluoroethane (HCFC-141b), 1-chloro-1,1-difluoroethane (HCFC-142b) and 1,1,1-trichloroethane (HCC-140a) in the presence of pentavalent antimony as a fluorination catalyst under conditions to produce 1,1,1-trifluoroethane (HFC-143a), generally in yields of 90% or more.

    摘要翻译: 一种制备1,1,1-三氟乙烷(HFC-143a)的方法,该方法包括使氟化氢与偏二氯乙烯与一种或多种1,1,1-二氯-1-氟乙烷(HCFC-141b),1-氯 -1,1-二氟乙烷(HCFC-142b)和1,1,1-三氯乙烷(HCC-140a)在五价锑作为氟化催化剂存在下,生成1,1,1-三氟乙烷(HFC-143a) ,通常为90%以上的收率。

    Processes for hydrofluorination of 2-chloro-3,3,3-trifluoropropene to 2-chloro-1,1,1,2-tetrafluoropropane
    7.
    发明授权
    Processes for hydrofluorination of 2-chloro-3,3,3-trifluoropropene to 2-chloro-1,1,1,2-tetrafluoropropane 有权
    将2-氯-3,3,3-三氟丙烯氢氟化为2-氯-1,1,1,2-四氟丙烷的方法

    公开(公告)号:US08916733B2

    公开(公告)日:2014-12-23

    申请号:US12484588

    申请日:2009-06-15

    CPC分类号: C07C17/087 C07C19/10

    摘要: A process for making 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of contacting 2-chloro-3,3,3-trifluoropropene with hydrogen fluoride in the presence of a catalyst having about 25 to about 99.9 mole percent antimony pentachloride and about 0.1 to about 75 mole percent of a metal of a Lewis acid under conditions sufficient to form the 2-chloro-1,1,1,2-tetrafluoropropane. There is a second process for making 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of hydrofluorinating about 75 to about 99.9 mole percent 2-chloro-3,3,3-trifluoropropene and about 0.1 to about 25 mole percent of one or more other hydrocarbons having at least one chlorine atom in the presence of a catalyst of fluorinated antimony pentachloride under conditions sufficient to form the 2-chloro-1,1,1,2-tetrafluoropropane. There is yet another process for hydrofluorinating 2-chloro-3,3,3-trifluoropropene to 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of contacting the 2-chloro-3,3,3-trifluoropropene with hydrogen fluoride in the presence of a vapor phase catalyst under conditions sufficient to form the 2-chloro-1,1,1,2-tetrafluoropropane.

    摘要翻译: 制备2-氯-1,1,1,2-四氟丙烷的方法。 该方法具有在催化剂存在下使2-氯-3,3,3-三氟丙烯与氟化氢接触的步骤,该催化剂具有约25至约99.9摩尔%的五氯化锑和约0.1至约75摩尔%的金属 路易斯酸在足以形成2-氯-1,1,1,2-四氟丙烷的条件下进行。 制备2-氯-1,1,1,2-四氟丙烷的第二种方法。 该方法具有在存在下存在下,将约75-约99.9摩尔%的2-氯-3,3,3-三氟丙烯和约0.1-约25摩尔%的一种或多种其它具有至少一个氯原子的烃氢氟化的步骤 在足以形成2-氯-1,1,1,2-四氟丙烷的条件下的氟化五氯化锑催化剂。 还有将2-氯-3,3,3-三氟丙烯氢氟化为2-氯-1,1,1,2-四氟丙烷的另一种方法。 该方法具有在气相催化剂存在下,在足以形成2-氯-1,1,1,2-四氟丙烷的条件下使2-氯-3,3,3-三氟丙烯与氟化氢接触的步骤。

    PROCESSES FOR HYDROFLUORINATION OF 2-CHLORO-3,3,3-TRIFLUOROPROPENE TO 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE
    8.
    发明申请
    PROCESSES FOR HYDROFLUORINATION OF 2-CHLORO-3,3,3-TRIFLUOROPROPENE TO 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE 有权
    将2-氯代-3,3,3-三氟苯酚氢化成2-氯-1,1,1,2-四氢呋喃的方法

    公开(公告)号:US20090312585A1

    公开(公告)日:2009-12-17

    申请号:US12484588

    申请日:2009-06-15

    IPC分类号: C07C19/08

    CPC分类号: C07C17/087 C07C19/10

    摘要: A process for making 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of contacting 2-chloro-3,3,3-trifluoropropene with hydrogen fluoride in the presence of a catalyst having about 25 to about 99.9 mole percent antimony pentachloride and about 0.1 to about 75 mole percent of a metal of a Lewis acid under conditions sufficient to form the 2-chloro-1,1,1,2-tetrafluoropropane. There is a second process for making 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of hydrofluorinating about 75 to about 99.9 mole percent 2-chloro-3,3,3-trifluoropropene and about 0.1 to about 25 mole percent of one or more other hydrocarbons having at least one chlorine atom in the presence of a catalyst of fluorinated antimony pentachloride under conditions sufficient to form the 2-chloro-1,1,1,2-tetrafluoropropane. There is yet another process for hydrofluorinating 2-chloro-3,3,3-trifluoropropene to 2-chloro-1,1,1,2-tetrafluoropropane. The process has the step of contacting the 2-chloro-3,3,3-trifluoropropene with hydrogen fluoride in the presence of a vapor phase catalyst under conditions sufficient to form the 2-chloro-1,1,1,2-tetrafluoropropane.

    摘要翻译: 制备2-氯-1,1,1,2-四氟丙烷的方法。 该方法具有在催化剂存在下使2-氯-3,3,3-三氟丙烯与氟化氢接触的步骤,该催化剂具有约25至约99.9摩尔%的五氯化锑和约0.1至约75摩尔%的金属 路易斯酸在足以形成2-氯-1,1,1,2-四氟丙烷的条件下进行。 制备2-氯-1,1,1,2-四氟丙烷的第二种方法。 该方法具有在存在下存在下,将约75-约99.9摩尔%的2-氯-3,3,3-三氟丙烯和约0.1-约25摩尔%的一种或多种其它具有至少一个氯原子的烃氢氟化的步骤 在足以形成2-氯-1,1,1,2-四氟丙烷的条件下的氟化五氯化锑催化剂。 还有将2-氯-3,3,3-三氟丙烯氢氟化为2-氯-1,1,1,2-四氟丙烷的另一种方法。 该方法具有在气相催化剂存在下,在足以形成2-氯-1,1,1,2-四氟丙烷的条件下使2-氯-3,3,3-三氟丙烯与氟化氢接触的步骤。

    Process for the manufacture of 1,3,3,3-tetrafluoropropene
    10.
    发明授权
    Process for the manufacture of 1,3,3,3-tetrafluoropropene 有权
    制备1,3,3,3-四氟丙烯的方法

    公开(公告)号:US07829748B1

    公开(公告)日:2010-11-09

    申请号:US12563458

    申请日:2009-09-21

    IPC分类号: C07C17/00

    摘要: The invention provides an economic process for the manufacture of 1,3,3,3-tetrafluoropropene (HFO-1234ze) by a two stage process. A vapor phase hydrofluorination of 1-chloro-3,3,3-trifluoropropene (HCFC-1233zd) into 1-chloro-1,3,3,3-tetrafluoropropane (HCFC-244fa) and/or 1,1,1,3,3-pentafluoropropane (HFC-245fa) is conducted, followed by the thermal dehydrochlorination of HCFC-244fa and dehydro fluorination of HFC-245fa into HFO-1234ze in the presence of a catalyst which comprises one or more of alkali metal halides, alkaline earth metal halides, halogenated metal oxides, zero oxidation state metals, zinc halides, palladium halides, and activated carbon.

    摘要翻译: 本发明提供了通过两阶段方法制备1,3,3,3-四氟丙烯(HFO-1234ze)的经济方法。 将1-氯-3,3,3-三氟丙烯(HCFC-1233zd)汽相氢氟化为1-氯-1,3,3,3-四氟丙烷(HCFC-244fa)和/或1,1,1,3 进行3-五氟丙烷(HFC-245fa),随后在含有一种或多种碱金属卤化物,碱土金属的催化剂存在下,将HCFC-244fa的热脱氯化氢和HFC-245fa的脱氟化氢分解成HFO-1234 卤化金属氧化物,零氧化态金属,卤化锌,钯卤化物和活性炭。