公开(公告)号：US20100025620A1

公开(公告)日：2010-02-04

申请号：US12442952

申请日：2007-10-31

申请人： Mario Joseph Nappa ,  Velliyur Mallikarjuna Nott Rao ,  Allen Capron Sievert

发明人： Mario Joseph Nappa ,  Velliyur Mallikarjuna Nott Rao ,  Allen Capron Sievert

IPC分类号： C09K5/00 ,  C07C17/23

CPC分类号： C07C21/18 ,  C07C17/23 ,  C07C17/25 ,  C07C17/278 ,  C09K3/30 ,  C09K5/045 ,  C09K2205/126 ,  C07C19/10

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 catalyst including a catalytically effective amount of palladium 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; and optionally, separating at least a portion of any CHF═CFCHF2 in the product mixture from the CH2═CFCF3 in the product mixture. The mole ratio of H2 to the total of CCl3CF2CF3 and CCl2FCF2CClF2 fed to the reaction zone is between about 1:1 and about 5:1. The present invention also provides another process for making CH2═CFCF3 or mixtures thereof with CHF═CFCHF2 This process involves (a) reacting CCl3CF2CF3 and optionally CCl2FCF2CClF2 with H2 in the presence of a catalytically effective amount of a hydrogenation catalyst to form CH3CF2CF3 (and when CCl2FCF2CClF2 is present, CH2FCF2CHF2); (b) dehydrofluorinating CH3CF2CF3 and optionally any CH2FCF2CHF2 from (a) to form a product mixture including CH2═CFCF3, and if CH2FCF2CHF2 is present, CHF═CFCHF2; (c) recovering CH2═CFCF3 or a mixture thereof with CHF═CFCHF2 from the product mixture formed in (b); and optionally (d) separating at least a portion of any CHF═CFCHF2 in the product mixture formed in (b) from the CH2═CFCF3 in the product mixture formed in (b).The present invention also provides compositions involving CH2═CFCF3 and/or CHF═CFCHF2, including compositions useful as refrigerants, foam blowing agents, cleaning agents and aerosols and azeotropic compositions involving (a) CF2HCF═CFH and (b) HF.

摘要翻译： 公开了制备CF 3 CF-CH 2或其与CHF-CFCHF 2的混合物的方法。 该方法包括在催化剂存在下使CCl 3 CF 2 CF 3和任选的CCl 2 CFF 2 CClF 2与H 2接触，所述催化剂包括负载在氧化铝，氟化氧化铝和/或氟化铝的载体上的催化有效量的钯，以产生包含CH 2 -CFCF 3的产物混合物 CCl 2 CFF 2 CClF 2，CHF-CFCHF 2）; 从产物混合物中回收CH2-CFCF3或其与CHF-CFCHF2的混合物; 并且任选地，将产物混合物中的任何CHF-CFCHF 2的至少一部分与产物混合物中的CH 2 -CFCF 3分离。 供给到反应区的H 2与CCl 3 CF 2 CF 3和CCl 2 FCF 2 CClF 2的总量的摩尔比为约1:1至约5:1。 本发明还提供另外一种制备CH2-CFCF3或其与CHF-CFCHF2的混合物的方法。该方法包括（a）在催化有效量的氢化催化剂存在下使CCl 3 CF 2 CF 3和任选的CCl 2 FCF 2 CClF 2与H 2反应以形成CH 3 CF 2 CF 3 CCl 2 FCF 2 CClF 2存在，CH 2 CFF 2 CHF 2）; （b）从（a）中将CH 3 CF 2 CF 3和任选的任何任何CH 2 CFF 2 CHF 3脱氟氟化，形成包含CH2-CFCF3的产物混合物，如果存在CH 2 CF 2 CHF 2，则CHF-CFCHF 2; （c）从（b）中形成的产物混合物中回收CH 2 CFCF 3或其与CHF-CFCHF 2的混合物; 和任选地（d）将（b）中形成的产物混合物中的任何CHF-CFCHF 2的至少一部分与（b）中形成的产物混合物中的CH 2 -CFCF 3分离。 本发明还提供了包含CH 2 -CFCF 3和/或CHF-CFCHF 2的组合物，包括可用作制冷剂的组合物，泡沫发泡剂，清洁剂和气溶胶以及涉及（a）CF 2 HCF-CFH和（b）HF的共沸组合物。

公开(公告)号：US07981312B2

公开(公告)日：2011-07-19

申请号：US12442952

申请日：2007-10-31

申请人： Mario Joseph Nappa ,  Velliyur Mallikarjuna Nott Rao ,  Allen Capron Sievert

发明人： Mario Joseph Nappa ,  Velliyur Mallikarjuna Nott Rao ,  Allen Capron Sievert

IPC分类号： C09K5/04 ,  C07C17/20 ,  C07C17/357 ,  C07C17/25

CPC分类号： C07C21/18 ,  C07C17/23 ,  C07C17/25 ,  C07C17/278 ,  C09K3/30 ,  C09K5/045 ,  C09K2205/126 ,  C07C19/10

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。