DE3869920D1 - Verfahren zur herstellung von 1,1-dichlor-1,2,2,2-tetrafluoraethan. - Google Patents
Verfahren zur herstellung von 1,1-dichlor-1,2,2,2-tetrafluoraethan.Info
- Publication number
- DE3869920D1 DE3869920D1 DE8888119492T DE3869920T DE3869920D1 DE 3869920 D1 DE3869920 D1 DE 3869920D1 DE 8888119492 T DE8888119492 T DE 8888119492T DE 3869920 T DE3869920 T DE 3869920T DE 3869920 D1 DE3869920 D1 DE 3869920D1
- Authority
- DE
- Germany
- Prior art keywords
- tetrafluoraethane
- dichlor
- producing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
- C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
- C07C19/12—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine having two carbon atoms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/22—Halogenating
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/35—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction
- C07C17/358—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction by isomerisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62296182A JPH0788326B2 (ja) | 1987-11-26 | 1987-11-26 | 1,1−ジクロロ−1,2,2,2−テトラフルオロエタンの製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3869920D1 true DE3869920D1 (de) | 1992-05-14 |
Family
ID=17830226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888119492T Expired - Fee Related DE3869920D1 (de) | 1987-11-26 | 1988-11-23 | Verfahren zur herstellung von 1,1-dichlor-1,2,2,2-tetrafluoraethan. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5672785A (de) |
EP (1) | EP0317981B1 (de) |
JP (1) | JPH0788326B2 (de) |
CA (1) | CA1324395C (de) |
DE (1) | DE3869920D1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0692326B2 (ja) * | 1988-12-23 | 1994-11-16 | セントラル硝子株式会社 | 2,2―ジクロロ―1,1,1,2―テトラフルオロエタンの製造法 |
US4902838A (en) * | 1988-12-28 | 1990-02-20 | E. I. Du Pont De Nemours And Company | Isomerization of saturated fluorohydrocarbons |
DE69029290T2 (de) * | 1989-02-02 | 1997-04-03 | Asahi Glass Co Ltd | Verfahren zur herstellung eines 2,2-difluorpropans |
US5264639A (en) * | 1989-02-02 | 1993-11-23 | Asahi Glass Company Ltd. | Process for producing a 2,2-difluoropropane |
US5055624A (en) * | 1989-03-08 | 1991-10-08 | Atochem | Synthesis of 1,1-dichloro-1,2,2,2-tetrafluoroethane |
US5017732A (en) * | 1990-02-16 | 1991-05-21 | Dixie Chemical Company | Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst and products resulting therefrom |
CA2012792A1 (en) * | 1989-06-14 | 1990-12-14 | Robert C. Zawalski | Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst and products resulting therefrom |
DE69024220T2 (de) * | 1989-08-28 | 1996-07-25 | Du Pont | Verfahren zur herstellung halogenierter 2,2-bis(trifluormethyl)-1,3-dioxolane |
US5177224A (en) * | 1989-08-28 | 1993-01-05 | E. I. Du Pont De Nemours And Company | Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3-dioxolanes |
DE3930507A1 (de) * | 1989-09-13 | 1991-03-21 | Hoechst Ag | Verfahren zur herstellung von 1,1,1,2-tetrafluorethan |
EP0426343B1 (de) * | 1989-10-30 | 1994-02-23 | E.I. Du Pont De Nemours And Company | Verfahren zur Herstellung von 1,1-Dichlorotetrafluorethan |
US5030372A (en) * | 1990-07-31 | 1991-07-09 | E. I. Du Pont De Nemours And Company | Catalytic equilibration to improve the relative yield of selected halocarbons |
IT1251951B (it) * | 1991-10-18 | 1995-05-27 | Ausimont Spa | Procedimento per purificare 1,1,1-trifluoro-,2,2 dicloroetano dall`isomero 1,1,2-trifluoro-1,2-dicloroetano. |
IT1251957B (it) * | 1991-10-18 | 1995-05-27 | Ausimont Spa | Procedimento per isomerizzare 1,1,2-trifluoro-1,2-dicloroetano a 1,1,1- trifluoro-2,2,-dicloroetano |
US6077819A (en) * | 1993-11-01 | 2000-06-20 | E. I. Du Pont De Nemours And Company | Azeotropes of chlorofluoroethanes of the formula CF3 CC12+x ub. F.s1-x with HF and manufacturing processes therewith |
EP0724553A1 (de) * | 1993-11-01 | 1996-08-07 | E.I. Du Pont De Nemours And Company | Verfahren zur herstellung von nochreinem 1,1-dichlor-tetrafluorethan |
US5446216A (en) * | 1993-11-01 | 1995-08-29 | E. I. Du Pont De Nemours And Company | Process for manufacture of high purity 1,1-dichlorotetrafluoroethane |
US5824828A (en) * | 1994-09-01 | 1998-10-20 | E. I. Du Pont De Nemours And Company | Process for manufacture of trichlorotrifluoroethanes |
US5831136A (en) * | 1994-09-01 | 1998-11-03 | E. I. Du Pont De Nemours And Company | Process for manufacture of high purity 1,1-dichlorotetrafluoroethane |
KR0125143B1 (ko) * | 1994-12-02 | 1997-11-27 | 김은영 | 1,1,1-트리플루오로-2,2-디클로로에탄의 불소화 촉매 및 그것의 제조방법 |
WO1997007052A1 (en) * | 1995-08-11 | 1997-02-27 | E.I. Du Pont De Nemours And Company | Azeotropes of chlorofluoroethanes with hydrogen fluoride |
WO1998047841A1 (fr) | 1997-04-23 | 1998-10-29 | Asahi Glass Company Ltd. | Procede de production d'hydrocarbures halogenes |
ITMI20010287A1 (it) | 2001-02-13 | 2002-08-13 | Ausimont Spa | Procedimento per ottenere cfc 113a da cfc 113 |
DE10143177A1 (de) * | 2001-09-04 | 2003-03-20 | Solvay Fluor & Derivate | Herstellung von Verbindungen mit der CF3-Gruppe |
CN107413356A (zh) * | 2017-07-25 | 2017-12-01 | 乳源东阳光氟有限公司 | 一种氟化催化剂及其制备方法 |
CN109939702B (zh) * | 2019-03-27 | 2021-11-19 | 裴卿 | 一种催化剂及利用cdm应用技术制备五氟乙烷的方法 |
CN110818527A (zh) * | 2019-11-19 | 2020-02-21 | 常熟三爱富氟化工有限责任公司 | 反应精馏制备高纯度1,1,1-三氯三氟乙烷的连续工艺 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1970562A (en) * | 1931-04-10 | 1934-08-21 | Gen Motors Corp | Manufacture of fluoro-halo derivatives of hexachloroethane |
US2005706A (en) * | 1932-08-10 | 1935-06-18 | Kinetic Chemicals Inc | Organic fluorine compound |
US2005707A (en) * | 1932-08-31 | 1935-06-18 | Kinetic Chemicals Inc | Production of organic fluorine compounds |
US2598411A (en) | 1948-11-23 | 1952-05-27 | Atomic Energy Commission | Rearrangement of saturated halocarbons |
US2748177A (en) * | 1951-08-03 | 1956-05-29 | Allied Chem & Dye Corp | Fluorination |
US2691053A (en) * | 1951-10-17 | 1954-10-05 | Allied Chem & Dye Corp | Production of 1, 1, 1-trifluoro-2, 2, 2-trichloroethane |
NL263002A (de) * | 1960-03-30 | 1900-01-01 | ||
FR1453510A (fr) * | 1965-08-13 | 1966-06-03 | Electro Chimie Soc D | Purification du dichlorotétrafluoroéthane |
DE1668346C3 (de) * | 1967-12-06 | 1973-10-25 | Kali-Chemie Ag, 3000 Hannover | Verfahren zur Herstellung von 1,1,1 Trifluortnchlorathan durch Um lagerung |
DK138673B (da) * | 1968-10-10 | 1978-10-16 | Montedison Spa | Katalysator til fremstilling af chlorfluorerede ethaner. |
GB1307224A (en) * | 1969-06-27 | 1973-02-14 | Ici Ltd | Chromium oxide catalyst |
SE374675B (de) * | 1970-06-10 | 1975-03-17 | Montedison Spa | |
DE2245372A1 (de) * | 1972-09-15 | 1974-03-21 | Biocontrol Arzneimittel Gmbh | Verfahren zur herstellung von monotopischen di- und trifluorpolyhalogenaethanen |
JPS5290488A (en) * | 1976-01-26 | 1977-07-29 | Central Glass Co Ltd | Catalyst for disproportionation of fluorine-containing halocarbon |
DE3323374A1 (de) * | 1983-06-29 | 1985-01-10 | Hoechst Ag, 6230 Frankfurt | Katalysatoren fuer fluorierungs- und/oder dismutierungsreaktionen von halogenkohlenwasserstoffen und verfahren zu ihrer herstellung |
DE3423625A1 (de) * | 1984-06-27 | 1986-01-02 | Hoechst Ag, 6230 Frankfurt | Verfahren zur wiederaufbereitung von fluorierungskatalysatoren |
US5146020A (en) * | 1986-03-20 | 1992-09-08 | E. I. Du Pont De Nemours And Company | Disproportionation of selected chlorofluoromethanes |
US5026930A (en) * | 1987-08-13 | 1991-06-25 | E. I. Du Pont De Nemours And Company | Gas-phase fluorination process |
US5051537A (en) * | 1988-02-12 | 1991-09-24 | E. I. Du Pont De Nemours And Company | Gas-phase fluorination |
US4922037A (en) * | 1988-02-24 | 1990-05-01 | E. I. Du Pont De Nemours And Company | Gas-phase fluorination process |
-
1987
- 1987-11-26 JP JP62296182A patent/JPH0788326B2/ja not_active Expired - Lifetime
-
1988
- 1988-11-23 DE DE8888119492T patent/DE3869920D1/de not_active Expired - Fee Related
- 1988-11-23 CA CA000583921A patent/CA1324395C/en not_active Expired - Fee Related
- 1988-11-23 EP EP88119492A patent/EP0317981B1/de not_active Expired
-
1995
- 1995-02-17 US US08/390,422 patent/US5672785A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1324395C (en) | 1993-11-16 |
JPH01139541A (ja) | 1989-06-01 |
JPH0788326B2 (ja) | 1995-09-27 |
US5672785A (en) | 1997-09-30 |
EP0317981B1 (de) | 1992-04-08 |
EP0317981A3 (en) | 1989-07-05 |
EP0317981A2 (de) | 1989-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee |