公开(公告)号：US20160221901A1

公开(公告)日：2016-08-04

申请号：US15095911

申请日：2016-04-11

Applicant: Arkema France

Inventor： Dominique DEUR-BERT ,  Bertrand COLLIER ,  Laurent WENDLINGER

IPC: C07C17/25

CPC classification number: C07C17/25 ,  B01J23/26 ,  B01J23/866 ,  B01J27/132 ,  B01J37/12 ,  B01J37/24 ,  B01J37/26 ,  C01B7/191 ,  C07C17/206 ,  C07C17/38 ,  C07C17/383 ,  C07C19/08 ,  C07C21/18

Abstract: The present invention provides a process for preparing 2,3,3,3-tetrafluoropropene from 1,1,1,2,3-pentachloropropane and/or 1,1,2,2,3-pentachloropropane, comprising the following steps: (a) catalytic reaction of 1,1,1,2,3-pentachloropropane and/or 1,1,2,2,3-pentachloropropane with HF into a reaction mixture comprising HCl, 2-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene, unreacted HF, and optionally 1,1,1,2,2-pentafluoropropane; (b) separating the reaction mixture into a first stream comprising HCl and 2,3,3,3-tetrafluoropropene and a second stream comprising HF, 2-chloro-3,3,3-trifluoropropene and optionally 1,1,1,2,2-pentafluoropropane; (c) catalytic reaction of the second stream into a reaction mixture comprising 2,3,3,3-tetrafluoropropene, HCl, unreacted 2-chloro-3,3,3-trifluoropropene, unreacted HF and optionally 1,1,1,2,2-pentafluoropropane and (d) feeding the reaction mixture of step (c) directly without separation to step (a).

Abstract translation: 本发明提供从1,1,1,2,3-五氯丙烷和/或1,1,2,2,3-五氯丙烷制备2,3,3,3-四氟丙烯的方法，包括以下步骤：（ a）1,1,1,2,3-五氯丙烷和/或1,1,2,2,3-五氯丙烷与HF的催化反应进入包含HCl，2-氯-3,3,3-三氟丙烯的反应混合物 ，2,3,3,3-四氟丙烯，未反应的HF和任选的1,1,1,2,2-五氟丙烷; （b）将反应混合物分离成包含HCl和2,3,3,3-四氟丙烯的第一料流和包含HF，2-氯-3,3,3-三氟丙烯和任选的1,1,1,2 ，2-五氟丙烷; （c）将第二流催化反应成包含2,3,3,3-四氟丙烯，HCl，未反应的2-氯-3,3,3-三氟丙烯，未反应的HF和任选的1,1,1,2 （d）直接进料步骤（c）的反应混合物而不分离步骤（a）。

公开(公告)号：US20160152535A1

公开(公告)日：2016-06-02

申请号：US15014583

申请日：2016-02-03

Applicant: Arkema France

Inventor： Philippe BONNET ,  Anne PIGAMO ,  Laurent WENDLINGER ,  Nicolas DOUCET

IPC: C07C17/25 ,  B01J23/86 ,  C07C17/42

Abstract: The present invention provides a process of catalytic fluorination in gas phase of product 1,1,1,2,3-pentachloropropane or/and 1,1,2,2,3-pentachloropropane into product 2-chloro-3,3,3-trifluoropropene in presence of a catalyst and oxygen.

Abstract translation: 本发明提供了在产物1,1,1,2,3-五氯丙烷或/和1,1,2,2,3-五氯丙烷的气相中催化氟化产物2-氯-3,3,3 - 三氟丙烯在催化剂和氧气存在下反应。

公开(公告)号：US20160107959A1

公开(公告)日：2016-04-21

申请号：US14978789

申请日：2015-12-22

Applicant: Arkema France

Inventor： Anne PIGAMO ,  Michel DEVIC ,  Laurent WENDLINGER

IPC: C07C17/25 ,  C07C17/354

CPC classification number: C07C17/25 ,  C07C17/354 ,  C07C21/18 ,  Y02P20/582 ,  C07C19/08

Abstract: A subject-matter of the invention is a process for the preparation of 2,3,3,3-tetrafluoro-1-propene which comprises the following stages: (i) hydrogenation of hexafluoropropylene to give 1,1,1,2,3,3-hexafluoropropane; (ii) dehydrofluorination of the 1,1,1,2,3,3-hexafluoropropane obtained in the preceding stage to give 1,2,3,3,3-pentafluoro-1-propene; (iii) hydrogenation of the 1,2,3,3,3-pentafluoro-1-propene obtained in the preceding stage to give 1,1,1,2,3-pentafluoropropane; and (iv) dehydrofluorination of the 1,1,1,2,3-pentafluoropropane obtained in the preceding stage to give 2,3,3,3-tetrafluoro-1-propene. Stages (ii) and (iv) are carried out using a water and potassium hydroxide mixture with the potassium hydroxide representing between 58 and 86% by weight of the mixture and at a temperature of between 110 and 180° C.

Abstract translation: 本发明的主题是制备2,3,3,3-四氟-1-丙烯的方法，其包括以下步骤：（i）六氟丙烯的氢化，得到1,1,1,2,3 ，3-六氟丙烷; （ii）前段得到的1,1,1,2,3,3-六氟丙烷的脱氟化氢，得到1,2,3,3,3-五氟-1-丙烯; （iii）在前一阶段获得的1,2,3,3,3-五氟-1-丙烯的氢化，得到1,1,1,2,3-五氟丙烷; 和（iv）前一阶段获得的1,1,1,2,3-五氟丙烷的脱氟化氢，得到2,3,3,3-四氟-1-丙烯。 阶段（ii）和（iv）使用氢氧化钾与氢氧化钾混合物进行，其中氢氧化钾占混合物重量的58-86％，在110-180℃的温度下进行。

公开(公告)号：US20150322317A1

公开(公告)日：2015-11-12

申请号：US14651855

申请日：2013-12-06

Applicant: ARKEMA FRANCE

Inventor： Bertrand COLLIER ,  Dominique DEUR-BERT ,  Laurent WENDLINGER

IPC: C09K3/00 ,  H01B3/56 ,  C09K5/04

CPC classification number: C09K5/08 ,  C07C21/18 ,  C09K3/00 ,  C09K5/044 ,  C09K5/045 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22 ,  C09K2205/32 ,  H01B3/56

Abstract: A composition including the compound HFO-1234yf and at least one other, additional, compound selected from HCFC-240db, HCFO-1233xf, HCFC-243db, HCFO-1233zd, HCC-40, HCFC-114a, HCFC-115, HCFC-122, HCFC-23, HCFC-124, HCFC-124a, HFC-125, HCFC-133a, HCFC-142, HCFC-143, HFC-52a, HCFC-243ab, HCFC-244eb, HFC-281ea, HCO-1110, HCFO-1111, HCFO-1113, HCFO-1223xd, and HCFO-1224xe. A composition including the compound HFO-1234yf and at least two compounds selected from HFO-1234ze, HFC-245cb, HFC-134a, HCFC-115, HFC-152a, HCC-40 and HFO-1243zf.

Abstract translation: 包含化合物HFO-1234yf和至少一种另外选自HCFC-240db，HCFO-1233xf，HCFC-243db，HCFO-1233zd，HCC-40，HCFC-114a，HCFC-115，HCFC-122的化合物的组合物 ，HCFC-23，HCFC-124，HCFC-124a，HFC-125，HCFC-133a，HCFC-142，HCFC-143，HFC-52a，HCFC-243ab，HCFC-244eb，HFC-281ea， -1111，HCFO-1113，HCFO-1223xd和HCFO-1224xe。 包含化合物HFO-1234yf和至少两种选自HFO-1234ze，HFC-245cb，HFC-134a，HCFC-115，HFC-152a，HCC-40和HFO-1243zf的化合物的组合物。

公开(公告)号：US20220098132A1

公开(公告)日：2022-03-31

申请号：US17548820

申请日：2021-12-13

Applicant: Arkema France

Inventor： Laurent WENDLINGER ,  Dominique DEUR-BERT

IPC: C07C17/383 ,  C07C19/08 ,  C07C21/18

Abstract: The present invention relates to a method for producing high-purity 1,1,1,2,3,3-hexafluoropropane and a composition containing mainly 1,1,1,2,3,3-hexafluoropropane, suitable for use as a cleaning agent in the semiconductor industry.

公开(公告)号：US20210261486A1

公开(公告)日：2021-08-26

申请号：US16973192

申请日：2019-06-06

Applicant: ARKEMA FRANCE

Inventor： Bertrand COLLIER ,  Dominique DEUR-BERT ,  Anne PIGAMO ,  Audrey RIEHL ,  Laurent WENDLINGER

IPC: C07C17/25 ,  C07C17/35 ,  B01J19/02 ,  C07C17/20

Abstract: The present invention relates to a process for producing 2-chloro-3,3,3-trifluoropropene, comprising the steps: i) providing a stream A comprising at least one chlorinated compound selected from the group consisting of 2,3-dichloro-1,1,1-trifluoropropane, 1,1,1,2,3-pentachloropropane, 1,1,2,3-tetrachloropropene and 2,3,3,3-tetrachloropropene; and ii) in an adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing said stream A into contact, in the presence or absence of a catalyst, with HF in order to produce a stream B comprising 2-chloro-3,3,3-trifluoropropene, characterized in that the temperature at the inlet of the fixed bed of said adiabatic reactor is between 300° C. and 400° C. and the longitudinal temperature difference between the inlet of the fixed bed and the outlet of the fixed bed of said reactor is less than 20° C.

公开(公告)号：US20210246091A1

公开(公告)日：2021-08-12

申请号：US16973253

申请日：2019-06-06

Applicant: ARKEMA FRANCE

Inventor： Bertrand COLLIER ,  Dominique DEUR-BERT ,  Anne PIGAMO ,  Audrey RIEHL ,  Laurent WENDLINGER

IPC: C07C21/18 ,  C07C17/20 ,  B01J8/04

Abstract: A process for producing 2,3,3,3-tetrafluoropropene comprises the steps: i) in a first adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing 2-chloro-3,3,3-trifluoropropene into contact with hydrofluoric acid in the gas phase in the presence of a catalyst to produce a stream A comprising 2,3,3,3-tetrafluoropropene, HF and unreacted 2-chloro-3,3,3-trifluoropropene; and ii) in a second adiabatic reactor comprising a fixed bed composed of an inlet and an outlet, bringing hydrofluoric acid into contact in the gas phase, optionally in the presence of a catalyst, with at least one chlorinated compound to produce a stream B comprising 2-chloro-3,3,3-trifluoropropene. The stream A obtained in step i) feeds said second reactor. The inlet temperature of the fixed bed of one of said first or second reactors is between 300° C. and 400° C. The longitudinal temperature difference between the inlet and the outlet of the fixed bed in question is less than 20° C.

公开(公告)号：US20210156518A1

公开(公告)日：2021-05-27

申请号：US16625811

申请日：2018-07-16

Applicant: Arkema France

Inventor： Dominique DEUR-BERT ,  Laurent WENDLINGER

IPC: F17C13/00 ,  C07C17/38 ,  F17C1/14

Abstract: The present invention relates to a method for storing, in a closed container, a composition comprising 1,1,1,2,3,3-hexafluoropropane in a liquid/gas state composed of a liquid phase and of a gas phase, characterized in that i) a stream comprising 1,1,1,2,3,3-hexafluoropropane is injected into said container, said stream comprising an oxygen concentration of at most 5000 ppm by volume at a temperature of 25° C., and ii) the container is closed after injection of said stream. The present invention also relates to a container for storing 1,1,1,2,3,3-hexafluoropropane.

公开(公告)号：US20210155567A1

公开(公告)日：2021-05-27

申请号：US16625816

申请日：2018-07-16

Applicant: Arkema France

Inventor： Bertrand COLLIER ,  Dominique DEUR-BERT ,  Anne PIGAMO ,  Laurent WENDLINGER

IPC: C07C17/20 ,  C07C17/25 ,  B01J27/132 ,  B01J23/26

Abstract: The present invention relates to a process for the gas-phase production of 2,3,3,3-tetrafluoropropene, comprising the steps: i) providing a composition A comprising 2-chloro-3,3,3-trifluoropropene and/or 2,3-dichloro-1,1,1-trifluoropropane and/or 2-chloro-1,1,1,2-tetrafluoropropane or a composition B comprising 1,1,1,2,2-pentafluoropropane and/or 1,1,1,2,3-pentafluoropropane; ii) placing said composition A in contact with hydrofluoric acid in the presence of a catalytic composition comprising a chromium-based catalyst or placing said composition B in contact with a catalytic composition comprising a chromium-based catalyst to produce a composition C comprising 2,3,3,3-tetrafluoropropene, characterized in that step ii) is performed at a temperature of between 310° C. and 450° C. and in that the temperature of step ii) is controlled so as not to exceed 450° C.; and when said catalyst is deactivated, the temperature of step ii) is increased in increments from 0.5° C. to 20° C. on condition that the temperature does not exceed 450° C.

公开(公告)号：US20210002188A1

公开(公告)日：2021-01-07

申请号：US16976599

申请日：2019-03-04

Applicant: Arkema France

Inventor： Laurent WENDLINGER ,  Dominique DEUR-BERT ,  Anne PIGAMO

IPC: C07C17/20 ,  B01J23/26

Abstract: A process for the production of 2,3,3,3-tetrafluoropropene including the stages: i) in a first reactor, bringing a stream A including 2-chloro-3,3,3-trifluoropropene into contact with hydrofluoric acid in the gas phase in the presence of a catalyst in order to produce a stream B including 2,3,3,3-tetrafluoropropene, HCl, HF and unreacted 2-chloro-3,3,3-trifluoropropene; and ii) in a second reactor, bringing hydrofluoric acid into contact, in the gas phase in the presence or not of a catalyst, with a stream including at least one chlorinated compound selected from the group of 1,1,1,2,3-pentachloropropane, 2,3-dichloro-1,1,1-trifluoropropane, 2,3,3,3-tetrachloropropene and 1,1,2,3-tetrachloropropene, in order to produce a stream C including 2-chloro-3,3,3-trifluoropropene, wherein the stream B obtained in stage i) feeds the second reactor used for stage ii); and wherein the electrical conductivity of the stream A provided in stage i) is less than 15 mS/cm.