公开(公告)号：US5779931A

公开(公告)日：1998-07-14

申请号：US871312

申请日：1997-06-09

申请人： Diana Lynn Klug ,  Barbara Haviland Minor ,  Donna Marie Patron ,  Tuneen E. C. Chisolm ,  Allen Capron Sievert

发明人： Diana Lynn Klug ,  Barbara Haviland Minor ,  Donna Marie Patron ,  Tuneen E. C. Chisolm ,  Allen Capron Sievert

IPC分类号： A62D1/00 ,  C07C19/08 ,  C07C43/12 ,  C08G18/00 ,  C08G18/08 ,  C08J9/14 ,  C09K3/00 ,  C09K3/30 ,  C09K5/04 ,  C23G5/028 ,  C23G5/032 ,  C11D7/26 ,  C11D7/30

CPC分类号： C23G5/032 ,  A62D1/0057 ,  C08J9/143 ,  C08J9/149 ,  C09K3/30 ,  C09K5/045 ,  C23G5/02803 ,  C08J2203/142 ,  C08J2203/146 ,  C08J2207/04 ,  C09K2205/112 ,  C09K2205/22 ,  C09K2205/32

摘要： This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula C.sub.a F.sub.b H.sub.2a+2-b O.sub.c wherein a=2 or 3 and 3.ltoreq.b.ltoreq.8 and c=1 or 2 and a hydrofluorocarbon of the formula C.sub.n F.sub.m H.sub.2n+2-m wherein 1.ltoreq.n.ltoreq.4 and 1.ltoreq.m.ltoreq.8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.

摘要翻译： 本发明涉及包含至少一种氟代醚和至少一种氢氟烃的组合物。 本发明包括式CaFbH2a + 2-bOc的环状或非环状氢氟醚的组合物，其中a = 2或3和3 = 8和c = 1或2，式C n F m H 2n + 2-m其中1≤n≤4和1≤m≤8。 这种组合物可用作制冷剂，清洁剂，聚烯烃和聚氨酯的膨胀剂，气溶胶推进剂，传热介质，气体电介质，灭火剂，动力循环工作流体，聚合介质，微粒去除流体，载体流体，抛光磨料 ，和置换干燥剂。

公开(公告)号：US20120119139A1

公开(公告)日：2012-05-17

申请号：US13078320

申请日：2011-04-01

申请人： Ralph Thomas Baker ,  Ralph Newton Miller ,  Viacheslav Alexandrovich Petrov ,  Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Ralph Thomas Baker ,  Ralph Newton Miller ,  Viacheslav Alexandrovich Petrov ,  Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C09K3/00

CPC分类号： C07C19/10 ,  C01B7/191 ,  C07C17/206 ,  C07C17/275 ,  C07C17/278 ,  C07C17/38 ,  C07C17/386 ,  C07C19/08 ,  Y02P20/582 ,  C07C19/01 ,  C07C19/16

摘要： A liquid phase process is disclosed for producing halogenated alkane adducts of the formula CAR1R2CBR3R4 (where A, B, R1, R2, R3, and R4 are as defined in the specification) which involves contacting a corresponding halogenated alkane, AB, with a corresponding olefin, CR1R2═CR3R4 in a dinitrile or cyclic carbonate ester solvent which divides the reaction mixture into two liquid phases and in the presence of a catalyst system containing (i) at least one catalyst selected from monovalent and divalent copper; and optionally (ii) a promoter selected from aromatic or aliphatic heterocyclic compounds which contain at least one carbon-nitrogen double bond in the heterocyclic ring. When hydrochlorofluorocarbons are formed, the chlorine content may be reduced by reacting the hydrochlorofluorocarbons with HF.Azeotropes of CClF2CH2CF3 with HF and azeotropes of CF3CH2CHF2 with HF are also disclosed; as are process for producing such azeotropes.

摘要翻译： 公开了用于制备式CAR1R2CBR3R4（其中A，B，R1，R2，R3和R4如说明书中所定义）的卤代烷烃加合物的液相方法，其涉及使相应的卤代烷烃AB与相应的烯烃 在二腈或环状碳酸酯溶剂中的CR 1 R 2 = CR 3 R 4，其将反应混合物分成两个液相，并且在含有（i）至少一种选自一价和二价铜的催化剂的催化剂体系的存在下， 和任选地（ii）选自在杂环中含有至少一个碳 - 氮双键的芳族或脂族杂环化合物的促进剂。 当形成氢氯氟烃时，可以通过氢氯氟烃与HF反应来降低氯含量。 还公开了CClF 2 CH 2 CF 3与HF的共沸物和CF 3 CH 2 CHF 2与HF的共沸物质; 生产这种共沸物的方法也是如此。

公开(公告)号：US08163964B2

公开(公告)日：2012-04-24

申请号：US12514348

申请日：2007-11-15

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C07C17/00

CPC分类号： C07C21/18 ,  C07C17/206 ,  C07C17/25 ,  C07C17/354 ,  Y02P20/582 ,  C07C19/08

摘要： A process is disclosed for making CF3CF═CHF or a mixture thereof with CF2═CFCHF2. The process involves (i) contacting CH2ClCF2CF3, and optionally CH2FCF2CClF2, in a reaction zone in the presence of a catalytically effective amount of dehydrofluorination catalyst to produce CHCl═CFCF3, and, if CH2FCF2CClF2 is present, CHF═CFCClF2; (ii) contacting CHCl═CFCF3, and CHF═CFCClF2, if any, formed in (i) with hydrogen fluoride (HF) in a reaction zone, optionally in the presence of a fluorination catalyst, to produce a product mixture comprising CHF═CFCF3, and, if CHF═CFCClF2 is present, CF2═CFCHF2; and (iii) recovering CF3CF═CHF, or a mixture thereof with CF2═CFCHF2, from the product mixture formed in (ii); and optionally (iv) separating at least a portion of any CF3CF═CHF in the product mixture formed in (ii) from the CF2═CFCHF2 in the product mixture formed in (ii). Also disclosed is an azeotropic composition involving CHCl═CFCF3, CHF═CFCClF2 and HF.

摘要翻译： 公开了制备CF 3 CF = CHF或其与CF 2 = CFCHF 2的混合物的方法。 该方法包括（ⅰ）在催化有效量的脱氟化氢催化剂存在下，在反应区中使CH 2 ClCF 2 CF 3和任选的CH 2 CF 2 CClF 2接触以产生CHCl = CFCF 3，如果存在CH 2 CF 2 CClF 2，则CHF = CFCClF 2; （ii）任选在氟化催化剂的存在下，在反应区中，在（i）中与氟化氢（HF）形成CHCl = CFCF 3和CHF = CFCClF 2（如果有的话），以产生包含CHF = CFCF 3 ，如果存在CHF = CFCClF 2，则CF 2 = CFCHF 2; 和（iii）从（ii）中形成的产物混合物中回收CF 3 CF = CHF或其与CF 2 = CFCHF 2的混合物; 和任选地（iv）将（ii）中形成的产物混合物中的CF 3 CF = CHF中的至少一部分与在（ii）中形成的产物混合物中的CF 2 = CFCHF 2分离。 还公开了涉及CHCl = CFCF 3，CHF = CFCClF 2和HF的共沸组合物。

公开(公告)号：US08058489B2

公开(公告)日：2011-11-15

申请号：US12444598

申请日：2007-11-15

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C07C17/10 ,  C07C17/00

CPC分类号： C07C21/18 ,  C07C17/206 ,  C07C17/23 ,  C07C17/25 ,  C07C17/354 ,  Y02P20/582 ,  C07C19/08

摘要： A process is disclosed for making CF3CF═CHF or mixtures thereof with CF2═CFCHF2. The process involves (i) contacting CHCl2CF2CF3, and optionally CHClFCF2CClF2, in a reaction zone in the presence of a catalytically effective amount of dehydrofluorination catalyst to produce CCl2═CFCF3, and, if CHClFCF2CClF2 is present, CClF═CFCClF2; (ii) contacting CCl2═CFCF3 and CClF═CFCClF2, if any, formed in (i) with hydrogen fluoride (HF) in a reaction zone, optionally in the presence of a fluorination catalyst, to produce CClF═CFCF3, and if CClF═CFCClF2 is present, CF2═CFCClF2; (iii) contacting CClF═CFCF3 and CF2═CFCClF2, if any, formed in (ii) in a reaction zone with H2 in the presence of a catalyst comprising a catalytically effective amount of palladium supported on a support of chromium oxide, fluorinated chromium oxide, chromium fluoride, aluminum oxide, aluminum fluoride, and/or fluorinated alumina to produce a product mixture comprising CF3CF═CHF, and if CF2═CFCClF2 is present, CF2═CFCHF2; and (iv) recovering CF3CF═CHF, or a mixture thereof with CF2═CFCHF2, from the product mixture formed in (iii); and optionally (v) separating at least a portion of any CF3CF═CHF in the product mixture formed in (iii) from the CF2═CFCHF2 in the product mixture formed in (iii).Also disclosed are azeotropic compositions involving CCl2═CFCF3 and HF; involving CCl2═CFCF3, CClF═CFCClF2 and HF; involving CClF═CFCF3 and HF; involving CClF═CFCF3, CF2═CFCClF2 and HF; or involving CF2═CFCHF2 and HF.

摘要翻译： 公开了制备CF 3 CF = CHF或其与CF 2 = CFCHF 2的混合物的方法。 该方法包括（i）在催化有效量的脱氟化氢催化剂存在下，在反应区中使CHCl 2 CF 2 CF 3和任选的CHClFCF 2 CClF 2接触以产生CCl 2 = CFCF 3，并且如果存在CHClFCF 2 CClF 2，则CClF = CFCClF 2; （ii）在反应区中任选地在（i）中与氟化氢（HF）形成的CCl 2 = CFCF 3和CClF = CFCClF 2（如果有的话）任选地在氟化催化剂的存在下接触，生成CClF = CFCF 3，并且如果CClF = 存在CFCClF 2，CF 2 = CFCClF 2; （iii）在包含催化有效量的负载在氧化铬载体上的载体的催化剂存在下，在与反应区中的（ii）反应区中形成的CClF = CFCF 3和CF 2 = CFCClF 2， ，氟化铬，氧化铝，氟化铝和/或氟化氧化铝，以产生包含CF 3CF≡CHF的产物混合物，如果存在CF 2 = CFCClF 2，CF 2 = CFCHF 2; 和（iv）从（iii）中形成的产物混合物中回收CF 3 CF = CHF或其与CF 2 = CFCHF 2的混合物; （iii）中形成的产物混合物中的CF 3 CF = CHF的至少一部分与（iii）中形成的产物混合物中的CF 2 = CFCHF 2分离。 还公开了包含CCl 2 = CFCF 3和HF的共沸组合物; 涉及CCl 2 = CFCF 3，CClF = CFCClF 2和HF; 涉及CClF = CFCF3和HF; 涉及CClF = CFCF3，CF2 = CFCClF2和HF; 或涉及CF2 = CFCHF2和HF。

公开(公告)号：US07928271B2

公开(公告)日：2011-04-19

申请号：US12377776

申请日：2007-09-05

申请人： Allen Capron Sievert

发明人： Allen Capron Sievert

IPC分类号： C07C19/08 ,  C07C17/383

CPC分类号： C07C17/23 ,  C07C17/25 ,  C07C21/18 ,  C09K5/045 ,  C09K2205/126 ,  C07C19/08

摘要： A process for making CHF═CFCF3 is disclosed. The process involves (a) reacting CCl2FCF2CF3 with H2 in the presence of a catalytically effective amount of hydrogenation catalyst to form CH2FCF2CF3; and (b) dehydrofluorinating CH2FCF2CF3 from (a) to form CHF═CFCF3.Also disclosed are compositions including CCl3CF2CF3 and HF, wherein the HF is present in an effective amount to form an azeotropic combination with the CCl3CF2CF3; and compositions including CCl2FCF2CF3 and HF, wherein the HF is present in an effective amount to form an azeotropic combination with the CCl2FCF2CF3.

摘要翻译： 公开了制造CHF = CFCF3的方法。 该方法包括（a）在催化有效量的氢化催化剂存在下使CCl 2 FCF 2 CF 3与H 2反应以形成CH 2 FCF 2 CF 3; 和（b）从（a）中将CH 2 CF 2 CF 3脱氟化氢以形成CHF = CFCF 3。 还公开了包含CCl 3 CF 2 CF 3和HF的组合物，其中HF以有效量存在以与CCl 3 CF 2 CF 3形成共沸组合; 和包括CCl 2 FCF 2 CF 3和HF的组合物，其中HF以有效量存在以与CCl 2 FCF 2 CF 3形成共沸组合。

公开(公告)号：US07922930B2

公开(公告)日：2011-04-12

申请号：US12782965

申请日：2010-05-19

申请人： Melodie A. Schweitzer ,  Allen Capron Sievert ,  Joan Ellen Bartelt ,  Barbara Haviland Minor

发明人： Melodie A. Schweitzer ,  Allen Capron Sievert ,  Joan Ellen Bartelt ,  Barbara Haviland Minor

IPC分类号： C09K5/04 ,  C11D7/30 ,  C11D7/26

CPC分类号： C11D7/5068 ,  C11D7/504 ,  C11D11/0029 ,  C23G5/02803 ,  C23G5/02809

摘要： The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z -C3F7CH═CHC3F7, and at least one alcohol, halocarbon, hydrofluorocarbon, fluoroether, or alkanes and combinations thereof. In one embodiment, the one compound selected from the group consisting of alcohols, halocarbons, fluoroalkyl ethers, hydrofluorocarbons, alkanes is either methanol, ethanol, iso-propanol, n-propanol, trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, n-propyl bromide, C4F9OCH3, C4F9OC2H5, HFC-43-10mee, HFC-365mfc, heptane, or combinations thereof. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.

摘要翻译： 本发明涉及包含具有式E-或Z-C 3 F 7 CH = CHC 3 F 7的氟化烯烃和至少一种醇，卤代烃，氢氟烃，氟代醚或烷烃及其组合的共沸或类共沸组合物。 在一个实施方案中，选自醇，卤代烃，氟代烷基醚，氢氟烃，烷烃的一种化合物是甲醇，乙醇，异丙醇，正丙醇，反式-1,2-二氯乙烯，顺式-1,2 二氯乙烯，正丙基溴，C 4 F 9 OCH 3，C 4 F 9 OC 2 H 5，HFC-43-10mee，HFC-365mfc，庚烷或其组合。 在另一个实施方案中，这些组合物可用作清洁用作脱脂剂或去除剂，用于从表面除去油和/或其它残余物。

公开(公告)号：US07744774B2

公开(公告)日：2010-06-29

申请号：US12618907

申请日：2009-11-16

申请人： Melodie A. Schweitzer ,  Allen Capron Sievert ,  Joan Ellen Bartelt ,  Barbara Haviland Minor

发明人： Melodie A. Schweitzer ,  Allen Capron Sievert ,  Joan Ellen Bartelt ,  Barbara Haviland Minor

IPC分类号： C09K5/04 ,  C11D7/50 ,  B08B3/00

CPC分类号： C11D7/5068 ,  C11D7/504 ,  C11D11/0029 ,  C23G5/02803 ,  C23G5/02809

摘要： The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z—C3F7CH═CHC3F7, and at least one alcohol, halocarbon, hydrofluorocarbon, fluoroether, or alkanes and combinations thereof. In one embodiment, the one compound selected from the group consisting of alcohols, halocarbons, fluoroalkyl ethers, hydrofluorocarbons, alkanes is either methanol, ethanol, iso-propanol, n-propanol, trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, n-propyl bromide, C4F9OCH3, C4F9OC2H5, HFC-43-10mee, HFC-365mfc, heptane, or combinations thereof. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.

摘要翻译： 本发明涉及包含具有式E-或Z-C 3 F 7 CH = CHC 3 F 7的氟化烯烃和至少一种醇，卤代烃，氢氟烃，氟醚或其烷烃及其组合的共沸或类共沸组合物。 在一个实施方案中，选自醇，卤代烃，氟代烷基醚，氢氟烃，烷烃的一种化合物是甲醇，乙醇，异丙醇，正丙醇，反式-1,2-二氯乙烯，顺式-1,2 二氯乙烯，正丙基溴，C 4 F 9 OCH 3，C 4 F 9 OC 2 H 5，HFC-43-10mee，HFC-365mfc，庚烷或其组合。 在另一个实施方案中，这些组合物可用于清洁用作脱脂剂或去除剂，用于从表面除去油和/或其它残余物。

公开(公告)号：US07678949B2

公开(公告)日：2010-03-16

申请号：US11988983

申请日：2006-08-04

申请人： Velliyur Nott Mallikarjuna Rao ,  H. David Rosenfeld ,  Allen Capron Sievert ,  Shekhar Subramoney

发明人： Velliyur Nott Mallikarjuna Rao ,  H. David Rosenfeld ,  Allen Capron Sievert ,  Shekhar Subramoney

IPC分类号： C07C17/00

CPC分类号： C07C21/18 ,  B01J23/868 ,  B01J37/26 ,  C07C17/21 ,  C07C17/23 ,  C07C17/25 ,  C07C19/10

摘要： A process for the manufacture of CF3CH═CHF and/or CF3CF═CH2 is disclosed. The process involves (a) reacting HF and chlorine and at least one halopropene of the formula CX3CCI═CCIX (where each X is independently F or Cl) to produce a product including both CF3CCI2CCIF2 and CF3CCIFCCI2F; (b) reacting CF3CCI2CCIF2 and CF3CCIFCCI2F produced in (a) with hydrogen to produce a product including both CF3CH2CHF2 and CF3CHFCH2F; (c) dehydrofluorinating CF3CH2CHF2 and CF3CHFCH2F produced in (b) to produce a product including both CF3CH═CHF and CF3CF═CH2; and (d) recovering CF3CH═CHF and/or CF3CF═CH2 from the product produced in (c). In (a), both CF3CCI2CCIF2 and CF3CCIFCCI2F 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 (ii) compositions of (i) which have been treated with a fluorinating agent.

摘要翻译： 公开了制造CF 3 CH = CHF和/或CF 3 CF = CH 2的方法。 该方法包括（a）使HF和氯与至少一种式CX3CCI = CCIX的卤代丙烯（其中每个X独立地为F或Cl）反应以产生包含CF 3 CCl 2 CCIF 2和CF 3 CClFCCI 2 F的产物; （b）使（a）中制备的CF 3 CCl 2 CCIF 2和CF 3 CClFCCI 2 F与氢反应以产生包含CF 3 CH 2 CHF 2和CF 3 CHFCH 2 F的产物; （c）在（b）中制备的CF 3 CH 2 CHF 2和CF 3 CHFCH 2 F脱氟化氟化产生包括CF 3 CH = CHF和CF 3 CF = CH 2的产物; 和（d）从（c）中制备的产物中回收CF 3 CH = CHF和/或CF 3CF≡CH2。 在（a）中，CF3CCI2CCIF2和CF3CCIFCCI2F都是在氯氟化催化剂存在下制备的，所述氯氟化催化剂由（i）包含结晶α-氧化铬的组合物组成，其中至少0.05原子％的α-氧化铬晶格中的铬原子被替换 和（ii）已经用氟化剂处理的（i）的组合物。

公开(公告)号：US20100051853A1

公开(公告)日：2010-03-04

申请号：US12514348

申请日：2007-11-15

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C09K5/00 ,  C07C21/18

CPC分类号： C07C21/18 ,  C07C17/206 ,  C07C17/25 ,  C07C17/354 ,  Y02P20/582 ,  C07C19/08

摘要： A process is disclosed for making CF3CF═CHF or a mixture thereof with CF2═CFCHF2. The process involves (i) contacting CH2ClCF2CF3, and optionally CH2FCF2CClF2, in a reaction zone in the presence of a catalytically effective amount of dehydrofluorination catalyst to produce CHCl═CFCF3, and, if CH2FCF2CClF2 is present, CHF═CFCClF2; (ii) contacting CHCl═CFCF3, and CHF═CFCClF2, if any, formed in (i) with hydrogen fluoride (HF) in a reaction zone, optionally in the presence of a fluorination catalyst, to produce a product mixture comprising CHF═CFCF3, and, if CHF═CFCClF2 is present, CF2═CFCHF2; and (iii) recovering CF3CF═CHF, or a mixture thereof with CF2═CFCHF2, from the product mixture formed in (ii); and optionally (iv) separating at least a portion of any CF3CF═CHF in the product mixture formed in (ii) from the CF2═CFCHF2 in the product mixture formed in (ii). Also disclosed is an azeotropic composition involving CHCl═CFCF3, CHF═CFCClF2 and HF.

摘要翻译： 公开了制备CF 3 CF = CHF或其与CF 2 = CFCHF 2的混合物的方法。 该方法包括：（i）在催化有效量的脱氟化氢催化剂存在下，在反应区中使CH 2 ClCF 2 CF 3和任选的CH 2 CF 2 CClF 2接触，生成CHCl = CFCF 3，如果存在CH 2 CF 2 CClF 2，则CHF = CFCClF 2; （ii）任选在氟化催化剂的存在下，在反应区中，在（i）中与氟化氢（HF）形成CHCl = CFCF 3和CHF = CFCClF 2（如果有的话），以产生包含CHF = CFCF 3 ，如果存在CHF = CFCClF 2，则CF 2 = CFCHF 2; 和（iii）从（ii）中形成的产物混合物中回收CF 3 CF = CHF或其与CF 2 = CFCHF 2的混合物; 和任选地（iv）将（ii）中形成的产物混合物中的CF 3 CF = CHF中的至少一部分与在（ii）中形成的产物混合物中的CF 2 = CFCHF 2分离。 还公开了涉及CHCl = CFCF 3，CHF = CFCClF 2和HF的共沸组合物。

公开(公告)号：US20100051852A1

公开(公告)日：2010-03-04

申请号：US12444598

申请日：2007-11-15

申请人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

发明人： Velliyur Nott Mallikarjuna Rao ,  Allen Capron Sievert

IPC分类号： C09K5/00 ,  C07C17/23

CPC分类号： C07C21/18 ,  C07C17/206 ,  C07C17/23 ,  C07C17/25 ,  C07C17/354 ,  Y02P20/582 ,  C07C19/08

摘要： A process is disclosed for making CF3CF═CHF or mixtures thereof with CF2═CFCHF2. The process involves (i) contacting CHCl2CF2CF3, and optionally CHClFCF2CClF2, in a reaction zone in the presence of a catalytically effective amount of dehydrofluorination catalyst to produce CCl2═CFCF3, and, if CHClFCF2CClF2 is present, CClF═CFCClF2; (ii) contacting CCl2═CFCF3 and CClF═CFCClF2, if any, formed in (i) with hydrogen fluoride (HF) in a reaction zone, optionally in the presence of a fluorination catalyst, to produce CClF═CFCF3, and if CClF═CFCClF2 is present, CF2═CFCClF2; (iii) contacting CClF═CFCF3 and CF2═CFCClF2, if any, formed in (ii) in a reaction zone with H2 in the presence of a catalyst comprising a catalytically effective amount of palladium supported on a support of chromium oxide, fluorinated chromium oxide, chromium fluoride, aluminum oxide, aluminum fluoride, and/or fluorinated alumina to produce a product mixture comprising CF3CF═CHF, and if CF2═CFCClF2 is present, CF2═CFCHF2; and (iv) recovering CF3CF═CHF, or a mixture thereof with CF2═CFCHF2, from the product mixture formed in (iii); and optionally (v) separating at least a portion of any CF3CF═CHF in the product mixture formed in (iii) from the CF2═CFCHF2 in the product mixture formed in (iii).Also disclosed are azeotropic compositions involving CCl2═CFCF3 and HF; involving CCl2═CFCF3, CClF═CFCClF2 and HF; involving CClF═CFCF3 and HF; involving CClF═CFCF3, CF2═CFCClF2 and HF; or involving CF2═CFCHF2 and HF.

摘要翻译： 公开了制备CF 3 CF = CHF或其与CF 2 = CFCHF 2的混合物的方法。 该方法包括（i）在催化有效量的脱氟化氢催化剂存在下，在反应区中使CHCl 2 CF 2 CF 3和任选的CHClFCF 2 CClF 2接触以产生CCl 2 = CFCF 3，并且如果存在CHClFCF 2 CClF 2，则CClF = CFCClF 2; （ii）在反应区中任选地在（i）中与氟化氢（HF）形成的CCl 2 = CFCF 3和CClF = CFCClF 2（如果有的话）任选地在氟化催化剂的存在下接触，生成CClF = CFCF 3，并且如果CClF = 存在CFCClF 2，CF 2 = CFCClF 2; （iii）在包含催化有效量的负载在氧化铬载体上的载体的催化剂存在下，在与反应区中的（ii）反应区中形成的CClF = CFCF 3和CF 2 = CFCClF 2， ，氟化铬，氧化铝，氟化铝和/或氟化氧化铝，以产生包含CF 3CF≡CHF的产物混合物，如果存在CF 2 = CFCClF 2，CF 2 = CFCHF 2; 和（iv）从（iii）中形成的产物混合物中回收CF 3 CF = CHF或其与CF 2 = CFCHF 2的混合物; （iii）中形成的产物混合物中的CF 3 CF = CHF的至少一部分与（iii）中形成的产物混合物中的CF 2 = CFCHF 2分离。 还公开了涉及CCl 2 = CFCF 3和HF的共沸组合物; 涉及CCl 2 = CFCF 3，CClF = CFCClF 2和HF; 涉及CClF = CFCF3和HF; 涉及CClF = CFCF3，CF2 = CFCClF2和HF; 或涉及CF2 = CFCHF2和HF。