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公开(公告)号：US5945573A
公开(公告)日：1999-08-31
申请号：US5400
申请日：1998-01-09
IPC分类号： B01J27/06 , B01J21/10 , B01J23/06 , B01J23/26 , B01J27/10 , B01J27/12 , B01J27/125 , B01J27/132 , B01J27/138 , C07B61/00 , C07C17/25 , C07C17/354 , C07C17/383 , C07C19/08 , C07C17/34
CPC分类号： C07C19/08 , B01J27/10 , B01J27/12 , C07C17/25 , C07C17/354 , C07C17/383 , B01J21/10 , B01J23/06 , B01J23/26 , B01J27/125 , B01J27/132 , B01J27/138
摘要： A process is disclosed for producing the hydrofluorocarbon CF.sub.3 CH.sub.2 CHF.sub.2. The process involves dehydrofluorinating CF.sub.3 CH.sub.2 CF.sub.3 at an elevated temperature in the vapor phase over a catalyst of (1) aluminum fluoride, (2) fluorided alumina, (3) metal supported on a trivalent aluminum compound containing fluoride anion, (4) lanthanum fluoride, (5) fluorided lanthanum oxide, (6) metal supported on a trivalent lanthanum compound containing fluoride anion, (7) trivalent chromium compounds and/or (8) catalysts of (a) at least one compound selected from the oxides, fluorides and oxyfluorides of magnesium, zinc and mixtures of magnesium and zinc, and optionally (b) at least one compound selected from the oxides, fluorides and oxyfluorides of aluminum, provided that the atomic ratio of aluminum to the total of magnesium and zinc in said catalyst is about 1:4, or less, to produce a product containing CF.sub.3 CH.dbd.CF.sub.2 and HF; and reacting the CF.sub.3 CH.dbd.CF.sub.2 in the vapor phase with hydrogen over a hydrogenation catalyst in the presence of HF to produce CF.sub.3 CH.sub.2 CHF.sub.2.
摘要翻译： 公开了用于生产氢氟烃CF 3 CH 2 CHF 2的方法。 该方法包括在（1）氟化铝，（2）氟化氧化铝，（3）负载在含氟化物阴离子的三价铝化合物上的金属，（4）氟化镧（（ⅰ））的催化剂上，在气相中升高的温度下将CF 3 CH 2 CF 3脱氟化氢 5）氟化镧氧化物，（6）负载在含氟化物阴离子的三价镧化合物上的金属，（7）三价铬化合物和/或（a）至少一种选自氧化物，氟化物和氟氧化物的化合物的催化剂 镁，锌和镁和锌的混合物，以及任选地（b）至少一种选自铝的氧化物，氟化物和氟氧化物的化合物，条件是铝与所述催化剂中镁和锌的原子比为约1 ：4或更少，以产生含有CF 3 CH = CF 2和HF的产物; 并在氢气存在下使氢气中的CF 3 CH = CF 2与氢气反应，生成CF 3 CH 2 CHF 2。
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公开(公告)号：US06635187B1
公开(公告)日：2003-10-21
申请号：US09713128
申请日：2000-11-15
IPC分类号： A62D106
CPC分类号： A62D1/0057 , A62D1/00
摘要： A process is disclosed for producing compositions including (a) a compound selected from the group consisting of CHF2CF3, CHF2CHF2, CH2FCF3, CH3CF3, CH3CHF2, CH2FCF2CHF2 and CHF2CF2CF2CHF2 and (b) at least one saturated halogenated hydrocarbon and/or ether having the formula: CnH2n+2-a-bClaFbOc wherein n is an integer from 1 to 4, a is an integer from 0 to 2n+1, b is an integer from 1 to 2n+2-a, and c is 0 or 1, provided that when c is 1 then n is an integer from 2 to 4, and provided that component (b) does not include the selected component (a) compound, wherein the molar ratio of component (b) to component (a) is between about 1:99 and a molar ratio of HF to component (a) in an azeotrope or azeotrope-like composition of component (a) with HF. This process involves (A) combining (i) the azeotrope or azeotrope-like composition with (ii) at least one fluorination precursor compound wherein the precursor component (ii) is the fluorination precursor to component (b); and (B) reacting a sufficient amount of the HF from the azeotrope or azeotrope-like composition (i) with precursor component (ii) to provide a composition containing components (a) and (b) in said ratio. In addition, compositions are disclosed comprising component (a) (e.g., CHF2CHF2), and component (b) wherein component (b) includes at least two compounds, at least one of which is an ether, and the molar ratio of component (b) to component (a) is between about 1:99 and a molar ratio of HF to component (a) in an azeotrope or azeotrope-like composition of component (a) with HF. Also disclosed is a process for recovering HF from a product mixture comprising HF and CHF2CHF2, which involves distilling the product mixture to remove all products which have a lower boiling point than the lowest boiling azeotrope containing HF and CHF2CHF2; and distilling said azeotrope to recover HF as an azeotropic composition containing HF and CHF2CHF2; and compositions of hydrogen fluoride in combination with an effective amount of CHF2CHF2 to form an azeotrope or azeotrope-like composition with hydrogen fluoride (e.g., compositions containing from about 70.5 to 75.5 mole percent CHF2CHF2).
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13.发明授权Process for the production of hexafluoropropylene from CC1F2CC1FCF3 and azeotropes of CC1F2CC1FCF3 with HF 失效由CC1F2CC1FCF3生产六氟丙烯的方法和具有HF的CC1F2CC1FCF3的共沸物公开(公告)号：US06540933B1
公开(公告)日：2003-04-01
申请号：US09701449
申请日：2000-11-27
IPC分类号： C09K504
CPC分类号： C07C21/18 , C07C17/00 , C07C17/206 , C07C17/23 , C07C19/10 , Y02P20/582
摘要： A process for the manufacture of CF3CF═CF2 is disclosed. The process involves contacting 2,3-dichloro-1,1,1,2,3,3-hexafluoropropane with at least 0.1 mole of hydrogen in a reaction vessel of titanium, nickel or iron or their alloys, which is either empty or packed with particles or formed shapes of titanium, nickel or iron or their alloys, at a temperature within the range of from about 350° C. to about 600° C. and for a time sufficient to produce hexafluoropropene. Also disclosed are compositions which comprise hydrogen fluoride in combination with an effective amount of CClF2CClFCF3 to form an azeotrope or azeotrope-like composition with hydrogen fluoride. The compositions contain from about 8.7 to 33.6 mole percent CClF2CClFCF3.
摘要翻译： 公开了制备CF 3 CF = CF 2的方法。 该方法包括在钛，镍或铁或其合金的反应容器中将2,3-二氯-1,1,1,2,3,3-六氟丙烷与至少0.1摩尔的氢气接触，其为空或包装 具有钛，镍或铁或其合金的颗粒或形成形状，在约350℃至约600℃的温度下，并持续足以产生六氟丙烯的时间。 还公开了包含氟化氢与有效量的CClF 2 CClFCF 3组合以与氟化氢形成共沸物或类共沸组合物的组合物。 组合物含有约8.7至33.6摩尔％CClF 2 CClFCF 3。
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14.发明授权公开(公告)号：US06329559B1
公开(公告)日：2001-12-11
申请号：US09701448
申请日：2000-11-27
IPC分类号： C07C1708
摘要： A process is disclosed for the manufacture of CF3CF═CF2, and optionally a least one compound selected from CF3CH2CF3 and CF3CHFCHF2. The process involves contacting a reactor feed including a precursor stream of at least one halogenated propane of the formula CX3CH2CHyX(3−y) and/or halogenated propene of the formula CX3CH═CHyX(2−y), where each X is Cl or F and y is 0, 1 or 2 (provided that the average fluorine content of the precursor stream is no more than 5 fluorine substituents per molecule) with HF and Cl2 in a chlorofluorination reaction zone containing a fluorination catalyst and operating at a temperature between about 150° C. and 400° C., to produce a reaction zone effluent including HF, HCl and a mixture of reaction products of the precursor feed which contains at least one compound of the formula C3Cl2F6 including CClF2CClFCF3 and at least one compound of the formula C3HClF6, including CHF2CClFCF3 and has an average fluorine content which is at least one fluorine substituent per molecule more than the average fluorine content of the precursor stream. The chlorofluorination reaction zone effluent is distilled to produce (i) a low-boiling component including HCl (and when they are present in the reaction zone effluent, C3F8, C3ClF7 and C3HF7), (ii) a hydrogenation feed component containing at least one compo of the formula C3Cl2F6 including CClF2CClFCF3 and at least one compound of the formnula C3HClF6 including CHF2CClFCF3, and an underfluorinated component including halogenated propanes containing at least one chlorine subtituent and from one to five fluorine substituents. The CClF2CClFCF3 and CHF2CClFCF3 of hydrogenation feed component (ii) is reacted with hydrogen to produce a mixture including CF3CF═CF2 and CF3CHFCHF2 and the CF3CF═CF2 from this product mixture is recovered. Underfluorinated component (iii) is returned to the chlorofluorination reaction zone.
摘要翻译： 公开了用于制造CF 3 CF = CF 2和任选的至少一种选自CF 3 CH 2 CF 3和CF 3 CHFCHF 2的化合物的方法。 该方法包括使包含式CX3CH2CHyX（3-y）的至少一种卤代丙烷和/或式CX3CH = CHyX（2-y）的卤代丙烯的前体物流的反应器进料接触，其中每个X为Cl或F 和y为0,1或2（前提物流的平均氟含量每分子不超过5个氟取代基）与HF和Cl 2在含氟化催化剂的氯氟化反应区中并在约150℃ 以产生包含HF，HCl和前体原料的反应产物的混合物的反应区流出物，其含有至少一种式C 3 Cl 2 F 6的化合物，包括CClF 2 CClFCF 3和至少一种式C 3 HClF 6的化合物 ，包括CHF 2 CClFCF 3，并且平均氟含量比前体流的平均氟含量多至少一个氟取代基。 将氯氟化反应区流出物蒸馏以产生（i）包含HCl的低沸点组分（当它们存在于反应区流出物，C3F8，C3ClF7和C3HF7中时），（ii）含有至少一种化合物的氢化进料组分 包括CClF 2 CClFCF 3的式C 3 Cl 2 F 6和至少一种包括CHF 2 CClFCF 3的C3HClF6化合物和包含至少一个氯取代基和一至五个氟取代基的卤代丙烷的含氟化成分。 氢化进料组分（ⅱ）的CClF 2 CClFCF 3和CHF 2 CClFCF 3与氢气反应，生成包含CF 3 CF = CF 2和CF 3 CHFCHF 2且CF 3 CF = CF 2的混合物
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公开(公告)号：US5948213A
公开(公告)日：1999-09-07
申请号：US118800
申请日：1998-07-17
CPC分类号： C07C19/10 , C07C17/10 , C07C17/206 , C07C17/23 , C07C17/38 , C07C19/08 , Y02P20/582
摘要： A process is disclosed for producing 1,1,2,2,3,3,4,4-octafluorobutane. The process involves (a) reacting a mixture comprising 2,2,3,3-tetrafluorobutane and chlorine to form a mixture of chloro-compounds wherein compounds of the formula C.sub.4 H.sub.x Cl.sub.6-x F.sub.4 (where x is 0 or 1) comprise at least about 50 mole % of the mixture of chloro-compounds; (b) contacting certain chloro-compounds from (a) and hydrogen fluoride with a fluorination catalyst to form a mixture of fluoro-compounds; and (c) contacting certain fluoro-compounds from (b) and hydrogen with a hydrogenolysis catalyst to produce CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2. Sufficient chloro-compounds formed in (a) and sufficient fluoro-compounds formed in (b) are recycled to provide a selectivity to CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 of at least about 75% based upon the moles of CH.sub.3 CF.sub.2 CF.sub.2 CH.sub.3 reacted in (a).Also disclosed is a process for the purification of at least one compound selected from the group consisting of CCl.sub.2 F(CF.sub.2).sub.2 CCl.sub.3, CCl.sub.2 F(CF.sub.2).sub.2 CCl.sub.2 F, CCl.sub.2 F(CF.sub.2).sub.2 CClF.sub.2, CClF.sub.2 (CF.sub.2).sub.2 CClF.sub.2, CClF.sub.2 (CF.sub.2).sub.2 CF.sub.3, CHCl.sub.2 (CF.sub.2).sub.2 CCl.sub.2 F, CHClF(CF.sub.2).sub.2 CCl.sub.3, CHCl.sub.2 (CF.sub.2).sub.2 CClF.sub.2, CHClF(CF.sub.2).sub.2 CCl.sub.2 F, CHF.sub.2 (CF.sub.2).sub.2 CCl.sub.3, CHClF(CF.sub.2).sub.2 CClF.sub.2, CHF.sub.2 (CF.sub.2).sub.2 CCl.sub.2 F, CHCl.sub.2 (CF.sub.2).sub.2 CF.sub.3, CHClF(CF.sub.2).sub.2 CF.sub.3, CHF.sub.2 (CF.sub.2).sub.2 CClF.sub.2, CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2, CHF.sub.2 CF.sub.2 CF.sub.2 CH.sub.2 F, CHF.sub.2 CF.sub.2 CF.sub.2 CF.sub.3 and CH.sub.2 FCF.sub.2 CF.sub.2 CF.sub.3 from a mixture of HF and said at least one compound. The purification process involves (a) subjecting the mixture of HF and said compound(s) to a distillation step in which a first distillate is removed; (b) subjecting said first distillate to an additional distillation as described herein; and (c) recovering said compound(s) essentially free of HF as bottoms from either the distillation of (a) or the distillation of (b).New compounds CCl.sub.2 FCF.sub.2 CF.sub.2 CClF.sub.2, CCl.sub.3 CF.sub.2 CF.sub.2 CCl.sub.2 F, CHCl.sub.2 CF.sub.2 CF.sub.2 CCl.sub.3, CHCl.sub.2 CF.sub.2 CF.sub.2 CCl.sub.2 F, CHClFCF.sub.2 CF.sub.2 CCl.sub.3, CHCl.sub.2 CF.sub.2 CF.sub.2 CClF.sub.2, CHClFCF.sub.2 CF.sub.2 CCl.sub.2 F, CHF.sub.2 CF.sub.2 CF.sub.2 CCl.sub.3, CHF.sub.2 CF.sub.2 CF.sub.2 CCl.sub.2 F, CHClFCF.sub.2 CF.sub.2 CF.sub.3, CH.sub.3 CF.sub.2 CF.sub.2 CH.sub.2 Cl and CH.sub.2 ClCF.sub.2 CF.sub.2 CCl.sub.3 are also disclosed, as are compositions which comprise hydrogen fluoride in combination with an effective amount of CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 to form an azeotrope or azeotrope-like composition with hydrogen fluoride.
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16.发明授权Processes for the manufacture and purification of 1,1,2,2,3,3,4,4-octafluorobutane and by-products 失效生产和净化1,1,2,2,3,3,4,4-八氟丁烷和副产物的方法
公开(公告)号：US5817893A
公开(公告)日：1998-10-06
申请号：US868349
申请日：1997-06-03
CPC分类号： C07C19/10 , C07C17/10 , C07C17/206 , C07C17/23 , C07C17/38 , C07C19/08 , Y02P20/582
摘要： A process is disclosed for producing 1,12,2,3,3,4,4-octafluorobutane. The process involves chlorination of 2,2,3,3-tetrafluorobutane to form a mixture of chloro-compounds wherein compounds of the formula C.sub.4 H.sub.4 Cl.sub.6-x F.sub.4 (where x is 0 or 1) comprise at least 50 mole % of the mixture of chloro-compounds, followed by hydrofluorination, then hydrogenolysis, and sufficient recycle to provide a selectivity to CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 of at least about 75% based upon the moles of CH.sub.3 CF.sub.2 CF.sub.2 CH.sub.3 reacted. Also disclosed is a multi-distillation process for the purification of CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 from a mixture of HF and the compound(s). Also disclosed are certain new halogenated butanes containing fluorine, and a composition which contains HF in combination with an effective amount of CHF.sub.2 CF.sub.2 CF.sub.2 CHF.sub.2 to form an azeotrope or azeotrope-like composition with hydrogen fluoride.
摘要翻译： 公开了一种制备1,12,2,3,3,4,4-八氟丁烷的方法。 该方法包括氯化2,2,3,3-四氟丁烷以形成氯化合物的混合物，其中式C4H4Cl6-xF4（其中x为0或1）的化合物包含至少50摩尔％的氯 - 化合物，然后进行氢氟化，然后氢解，并充分循环以提供基于所反应的CH 3 CF 2 CF 2 CH 3的摩尔数至少约75％的CHF 2 CF 2 CF 2 CHF 2的选择性。 还公开了从HF和化合物的混合物中纯化CHF 2 CF 2 CF 2 CHF 2的多蒸馏方法。 还公开了含氟的一些新的卤化丁烷，以及含有HF与有效量的CHF 2 CF 2 CF 2 CHF 2组合以与氟化氢形成共沸物或类共沸组合物的组合物。
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公开(公告)号：US09598336B2
公开(公告)日：2017-03-21
申请号：US14115661
申请日：2012-05-16
IPC分类号： C07C17/354 , B01J23/44 , B01J35/10 , B01J21/04
CPC分类号： C07C17/354 , B01J21/04 , B01J23/44 , B01J35/1009 , C07C19/08
摘要： A hydrogenation process is disclosed. The process involves reacting a fluoroolefin with H2 in a reaction zone in the presence of a palladium catalyst to produce a hydrofluoroalkane product, wherein the palladium catalyst comprises palladium supported on a carrier wherein the palladium concentration is from about 0.001 wt % to about 0.2 wt % based on the total weight of the palladium and the carrier. Also disclosed is a palladium catalyst composition consisting essentially of palladium supported on α-Al2O3 wherein the palladium concentration is from about 0.001 wt % to about 0.2 wt % based on the total weight of the palladium and the α-Al2O3. Also disclosed is a hydrogenation process comprising reacting a fluoroolefin with H2 in a reaction zone in the presence of a palladium catalyst to produce a hydrofluoroalkane product, characterized by: the palladium catalyst consisting essentially of palladium supported on α-Al2O3 wherein the palladium concentration is from about 0.001 wt % to about 0.2 wt % based on the total weight of the palladium and the α-Al2O3. Also disclosed is a hydrogenation process comprising (a) passing a mixture comprising fluoroolefin and H2 through a bed of palladium catalyst in a reaction zone wherein the palladium catalyst comprises palladium supported on a carrier; and (b) producing a hydrofluoroalkane product; characterized by: the palladium catalyst in the front of the bed having lower palladium concentration than the palladium catalyst in the back of the bed.
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18.发明授权公开(公告)号：US09000241B2
公开(公告)日：2015-04-07
申请号：US13277268
申请日：2011-10-20
摘要： The disclosure describes a process for dehalogenation of chlorofluorocompounds. The process comprises contacting a saturated chlorofluorocompound with hydrogen in the presence of a catalyst at a temperature sufficient to remove chlorine and/or fluorine substituents to produce a fluorine containing terminal olefin.
摘要翻译： 本公开描述了氯氟化合物脱卤的方法。 该方法包括在足以除去氯和/或氟取代基以产生含氟末端烯烃的温度的催化剂存在下使饱和氯氟化合物与氢气接触。
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19.发明申请CATALYTIC HYDROGENATION OF FLUOROOLEFINS, ALPHA-ALUMINA SUPPORTED PALLADIUM COMPOSITIONS AND THEIR USE AS HYDROGENATION CATALYSTS 有权氟橡胶的催化氢化，支持铝的铝组合物及其作为氢化催化剂的用途公开(公告)号：US20140088328A1
公开(公告)日：2014-03-27
申请号：US14115661
申请日：2012-05-16
IPC分类号： C07C17/354 , B01J23/44
CPC分类号： C07C17/354 , B01J21/04 , B01J23/44 , B01J35/1009 , C07C19/08
摘要： A hydrogenation process is disclosed. The process involves reacting a fluoroolefin with H2 in a reaction zone in the presence of a palladium catalyst to produce a hydrofluoroalkane product, wherein the palladium catalyst comprises palladium supported on a carrier wherein the palladium concentration is from about 0.001 wt % to about 0.2 wt % based on the total weight of the palladium and the carrier. Also disclosed is a palladium catalyst composition consisting essentially of palladium supported on α-Al2O3 wherein the palladium concentration is from about 0.001 wt % to about 0.2 wt % based on the total weight of the palladium and the α-Al2O3. Also disclosed is a hydrogenation process comprising reacting a fluoroolefin with H2 in a reaction zone in the presence of a palladium catalyst to produce a hydrofluoroalkane product, characterized by: the palladium catalyst consisting essentially of palladium supported on α-Al2O3 wherein the palladium concentration is from about 0.001 wt % to about 0.2 wt % based on the total weight of the palladium and the α-Al2O3. Also disclosed is a hydrogenation process comprising (a) passing a mixture comprising fluoroolefin and H2 through a bed of palladium catalyst in a reaction zone wherein the palladium catalyst comprises palladium supported on a carrier; and (b) producing a hydrofluoroalkane product; characterized by: the palladium catalyst in the front of the bed having lower palladium concentration than the palladium catalyst in the back of the bed.
摘要翻译： 公开了一种氢化方法。 该方法包括在钯催化剂存在下在反应区中使氟代烯烃与H 2反应以产生氢氟烷烃产物，其中钯催化剂包含负载在载体上的钯，其中钯浓度为约0.001重量％至约0.2重量％ 基于钯和载体的总重量。 还公开了一种钯催化剂组合物，其主要由负载在α-Al 2 O 3上的钯组成，其中钯的浓度为钯和α-Al 2 O 3的总重量的约0.001重量％至约0.2重量％。 还公开了一种氢化方法，其包括在钯催化剂存在下在反应区中使氟烯烃与H 2反应以产生氢氟烷烃产物，其特征在于：钯催化剂主要由负载在α-Al 2 O 3上的钯组成，其中钯浓度来自 约0.001重量％至约0.2重量％，基于钯和α-Al 2 O 3的总重量。 还公开了一种氢化方法，其包括（a）将包含氟代烯烃和H 2的混合物通过钯催化剂床在反应区中，其中钯催化剂包含负载在载体上的钯; 和（b）制备氢氟烷烃产物; 其特征在于：床的前面的钯催化剂的钯浓度低于床背部的钯催化剂。
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20.发明授权公开(公告)号：US08633339B2
公开(公告)日：2014-01-21
申请号：US11591400
申请日：2006-11-01
IPC分类号： C07C21/18
CPC分类号： C08J9/146 , B01F17/0085 , C03C23/0075 , C07C21/18 , C08G18/4208 , C08G18/4883 , C08G2101/0025 , C08J9/0019 , C08J9/144 , C08J2205/05 , C08J2205/052 , C08J2325/06 , C08J2375/06 , C08J2375/08 , C10M105/52 , C10M107/38 , C10M147/04 , C10M169/04 , C10M169/041 , C10M177/00 , C10M2211/022 , C10M2211/06 , C10M2213/04 , C10M2213/06 , C10N2230/06 , C10N2230/22 , C10N2240/20 , C10N2240/204 , C10N2250/121 , C10N2270/00 , C11D3/245 , C11D3/43 , C11D7/5018 , C11D11/0023 , C11D11/0029 , C11D11/0035 , C11D11/0047 , C23G5/02803 , C23G5/02825 , G11B5/71 , G11B5/725 , G11B5/8408 , G11B23/505
摘要： Disclosed herein are blowing agents comprising fluorocarbons and/or hydrofluorocarbons useful in foamable compositions. Also disclosed are methods for forming a foam comprising the aforementioned blowing agents.
摘要翻译： 本文公开了包含可用于可发泡组合物的碳氟化合物和/或氢氟烃的发泡剂。 还公开了形成包含上述发泡剂的泡沫体的方法。
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