Method for producing fluorinated organic compounds
    32.
    发明授权
    Method for producing fluorinated organic compounds 有权
    氟化有机化合物的制备方法

    公开(公告)号:US08455704B2

    公开(公告)日:2013-06-04

    申请号:US13287199

    申请日:2011-11-02

    Abstract: Disclosed are processes for the production of fluorinated olefins, preferably adapted to commercialization of CF3CF═CH2 (1234yf). In certain preferred embodiments the processes comprise first exposing a compound of Formula (IA) C(X)2═CClC(X)3  (IA) where each X is independently F, Cl or H, preferably CCl2═CClCH2Cl, to one or more sets of reaction conditions, but preferably a substantially single set of reaction conditions, effective to produce at least one chlorofluoropropane, preferably in accordance with Formula (IB): CF3CClX′C(X′)3  Formula (IB) where each X′ is independently F, Cl or H, and then exposing the compound of Formula (IB) to one or more sets of reaction conditions, but preferably a substantially single set of reaction conditions, effective to produce a compound of Formula (II) CF3CF═CHZ  (II) where Z is H, F, Cl, I or Br.

    Abstract translation: 公开了用于制备氟化烯烃的方法,优选适于商业化CF 3 CF = CH 2(1234yf)。 在某些优选实施方案中,该方法包括首先将式(IA)C(X)2 = CClC(X)3(IA)的化合物暴露于其中每个X独立地为F,Cl或H,优选CCl 2 = CClCH 2 Cl, 反应条件组,但优选基本上单一组的反应条件,有效产生至少一种氯氟丙烷,优选按照式(IB):CF 3 CClX'C(X')3式(IB),其中每个X'独立地为F ,然后将式(IB)化合物暴露于一组或多组反应条件,但优选基本上单一组的反应条件,有效地制备式(II)化合物,CF 3 CF = CHZ(II) 其中Z是H,F,Cl,I或Br。

    Integrated process to co-produce 1,1,1,3,3-pentafluoropropane, trans-1-chloro-3,3,3-trifluoropropene and trans-1,3,3,3-tetrafluoropropene
    34.
    发明授权
    Integrated process to co-produce 1,1,1,3,3-pentafluoropropane, trans-1-chloro-3,3,3-trifluoropropene and trans-1,3,3,3-tetrafluoropropene 有权
    共同生产1,1,1,3,3-五氟丙烷,反式-1-氯-3,3,3-三氟丙烯和反式-1,3,3,3-四氟丙烯的综合方法

    公开(公告)号:US08436217B2

    公开(公告)日:2013-05-07

    申请号:US13093007

    申请日:2011-04-25

    Abstract: Disclosed is a fully integrated process for making 1,1,1,3,3-pentafluoropropane (HFC-245fa), trans-1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(E)), and trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)). The chemistry involves (a) the reaction of 1,1,1,3,3-pentachloropropane (HCC-240fa), or a derivative thereof selected from 1,1,3,3-tetrachloropropene and 1,3,3,3-tetrachloropropene, with anhydrous HF in excess in the presence of a catalyst in a liquid-phase reactor in such a way as to co-produce HCFO-1233zd, HFO-1234ze, HCFC-244fa (3-chloro-1,1,1,3-tetrafluoropropane), and HFC-245fa in a first reactor; (b) the reaction of HCFO-1233zd and HFO-1234ze with HCl in excess in the presence of a catalyst in a second reactor to convert these two olefins into HCFC-243fa and HCFC-244fa, respectively; (c) the reaction of HCFC-243fa and HCFC-244fa over a dehydrochlorination catalyst or in a caustic solution in a third reactor to form HCFO-1233zd and HFO-1234ze; and (d) the reaction of HCFO-1233zd(Z) and HFO-1234ze(Z) in the presence of a catalyst in a fourth reactor to form trans-1233zd and trans-1234ze, respectively.

    Abstract translation: 公开了制备1,1,1,3,3-五氟丙烷(HFC-245fa),反式-1-氯-3,3,3-三氟丙烯(HCFO-1233zd(E))的完全一体化方法, 1,3,3,3-四氟丙烯(HFO-1234ze(E))。 该化学方法包括(a)1,1,1,3,3-五氯丙烷(HCC-240fa)或其衍生物选自1,1,3,3-四氯丙烯和1,3,3,3-四氯丙烯的反应, 四氯丙烯,在催化剂存在下,在液相反应器中以无水HF过剩,以共同生产HCFO-1233zd,HFO-1234ze,HCFC-244fa(3-氯-1,1,1, 3-四氟丙烷)和HFC-245fa在第一反应器中; (b)HCFO-1233zd和HFO-1234ze与HCl在过渡催化剂存在下在第二反应器中的反应,分别将这两种烯烃转化为HCFC-243fa和HCFC-244fa; (c)HCFC-243fa和HCFC-244fa在脱氯化氢催化剂或第三反应器中的苛性碱溶液中的反应,形成HCFO-1233zd和HFO-1234ze; 和(d)HCFO-1233zd(Z)和HFO-1234ze(Z)在催化剂存在下在第四反应器中的反应分别形成反式-1233zd和反式1234ze。

    METHODS TO SEPARATE HALOGENTATED OLEFINS FROM 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE USING A SOLID ADSORBENT
    36.
    发明申请
    METHODS TO SEPARATE HALOGENTATED OLEFINS FROM 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE USING A SOLID ADSORBENT 有权
    使用固体吸附剂从2-氯代-1,1,1,2-四氢呋喃中分离出氢化烯烃的方法

    公开(公告)号:US20130085308A1

    公开(公告)日:2013-04-04

    申请号:US13249342

    申请日:2011-09-30

    CPC classification number: C07C17/389 B01D15/00 C07C21/18

    Abstract: The present invention provides a method for separating halocarbons. In particular, the invention provides a method for separating halogenated olefin impurities from 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) using a solid adsorbent, particularly activated carbon. More particularly the invention pertains to a method for separating 2-chloro-3,3,3-trifluoro-propene (HCFO-1233xf) from HCFC-244bb, which are useful as intermediates in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf).

    Abstract translation: 本发明提供一种分离卤代烃的方法。 特别地,本发明提供了使用固体吸附剂,特别是活性炭从2-氯-1,1,1,2-四氟丙烷(HCFC-244bb)分离卤代烯烃杂质的方法。 更具体地说,本发明涉及从HCFC-244bb中分离出2-氯-3,3,3-三氟丙烯(HCFO-1233xf)的方法,它们可用作制备2,3,3,3-三氟丙烯 四氟丙烯(HFO-1234yf)。

    Method for producing 2-chloro-3,3,3,-trifluoropropene (HCFC-1233xf)
    38.
    发明授权
    Method for producing 2-chloro-3,3,3,-trifluoropropene (HCFC-1233xf) 有权
    2-氯-3,3,3-三氟丙烯(HCFC-1233xf)的制备方法

    公开(公告)号:US08367878B2

    公开(公告)日:2013-02-05

    申请号:US13367667

    申请日:2012-02-07

    Abstract: The present invention relates to an improved method for manufacturing 2-chloro-3,3,3,-trifluoropropene (HCFC-1233xf) by reacting 1,1,2,3-tetrachloropropene, 1,1,1,2,3-pentachloropropane, and/or 2,3,3,3-tetrachloropropene with hydrogen fluoride, in a vapor phase reaction vessel in the presence of a vapor phase fluorination catalyst and stabilizer. HCFC-1233xf is an intermediate in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf) which is a refrigerant with low global warming potential.

    Abstract translation: 本发明涉及一种通过使1,1,2,3-四氯丙烯,1,1,1,2,3-五氯丙烷与1,1,2,3-四氯丙烷反应制备2-氯-3,3,3-三氟丙烯(HCFC-1233xf)的改进方法 ,和/或2,3,3,3-四氯丙烯与氟化氢在气相反应容器中在气相氟化催化剂和稳定剂存在下反应。 HCFC-1233xf是生产2,3,3,3-四氟丙烯(HFO-1234yf)的中间体,它是具有低全球变暖潜能的制冷剂。

    METHOD FOR SEPARATING HALOCARBONS
    39.
    发明申请
    METHOD FOR SEPARATING HALOCARBONS 有权
    分离HALOCARBONS的方法

    公开(公告)号:US20120296128A1

    公开(公告)日:2012-11-22

    申请号:US13558476

    申请日:2012-07-26

    Abstract: The invention provides a method for separating halocarbons. In particular, a method for separating 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) from 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) based on differences in melting points of these compounds. More particularly the invention pertains to a method for separating HCFC-244bb from HCFO-1233xf which are useful as intermediates in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf).

    Abstract translation: 本发明提供一种分离卤代烃的方法。 特别地,基于这些的熔点的差异,从2-氯-3,3,3-三氟丙烯(HCFO-1233xf)中分离出2-氯-1,1,1,2-四氟丙烷(HCFC-244bb)的方法 化合物。 更具体地说,本发明涉及从HCFO-1233xf中分离HCFC-244bb的方法,其可用作生产2,3,3,3-四氟丙烯(HFO-1234yf)中的中间体。

Patent Agency Ranking