FR2433500A1 - Procede de preparation du tetrafluorethane - Google Patents
Procede de preparation du tetrafluorethaneInfo
- Publication number
- FR2433500A1 FR2433500A1 FR7920707A FR7920707A FR2433500A1 FR 2433500 A1 FR2433500 A1 FR 2433500A1 FR 7920707 A FR7920707 A FR 7920707A FR 7920707 A FR7920707 A FR 7920707A FR 2433500 A1 FR2433500 A1 FR 2433500A1
- Authority
- FR
- France
- Prior art keywords
- tetrafluorethane
- preparation
- trifluoroethane
- tetrafluoroethane
- chloro
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Procédé de préparation du 1,2,2,2-tétrafluor-éthane par réaction du 1-chloro-2,2,2-trifluoréthane avec le fluorure d'hydrogène en présence d'un composé minéral de chrome-III. On introduit dans le système de réaction de 0,002 à 0,05 mole d'oxygène par mole du l-chloro-2,2-trifluor-éthane. Le 1,2,2,2-tétrafluoréthane est un fluide frigorifique connu.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9939878A JPS5527139A (en) | 1978-08-14 | 1978-08-14 | Preparation of tetrafluoroethane |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2433500A1 true FR2433500A1 (fr) | 1980-03-14 |
FR2433500B1 FR2433500B1 (fr) | 1984-01-27 |
Family
ID=14246381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7920707A Granted FR2433500A1 (fr) | 1978-08-14 | 1979-08-14 | Procede de preparation du tetrafluorethane |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5527139A (fr) |
DE (1) | DE2932934A1 (fr) |
FR (1) | FR2433500A1 (fr) |
GB (1) | GB2030981B (fr) |
IT (1) | IT1123519B (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0055651A1 (fr) * | 1980-12-29 | 1982-07-07 | Elf Atochem S.A. | Catalyseurs de fluoruration en phase gazeuse des dérivés chlorés aliphatiques, à base de charbon actif imprégné de sulfate de chrome, et procédés de fluoruration utilisant ces catalyseurs |
FR2669022A1 (fr) * | 1990-11-13 | 1992-05-15 | Atochem | Procede de fabrication du tetrafluoro-1,1,1,2-ethane. |
EP0513823A2 (fr) * | 1991-05-17 | 1992-11-19 | Hoechst Aktiengesellschaft | Procédé de fabrication de pentafluoroéthane (R125) |
EP0554165A1 (fr) * | 1992-01-30 | 1993-08-04 | Elf Atochem S.A. | Procédé de fabrication du 1,1,1,2-tétrafluoroéthane |
WO1993025507A1 (fr) * | 1992-06-17 | 1993-12-23 | Allied-Signal Inc. | Procede de fluoration en phase vapeur |
EP0714874A1 (fr) * | 1994-11-29 | 1996-06-05 | Elf Atochem North America, Inc. | Procédé pour la préparation de 1,1,1-trifluoroéthane |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57181314A (en) * | 1981-04-30 | 1982-11-08 | Nippon Jiryoku Senko Kk | Treatment of steel making slag |
JPS6287442A (ja) * | 1985-10-09 | 1987-04-21 | 日本磁力選鉱株式会社 | 製鋼スラグの改質方法 |
US4792643A (en) * | 1987-06-16 | 1988-12-20 | Kaiser Aluminum & Chemical Corporation | Catalyst and process for 1,1,1,2-tetrafluoroethane by vapor phase reaction |
US5051537A (en) * | 1988-02-12 | 1991-09-24 | E. I. Du Pont De Nemours And Company | Gas-phase fluorination |
IN172054B (fr) * | 1988-02-24 | 1993-03-27 | Du Pont | |
US4922037A (en) * | 1988-02-24 | 1990-05-01 | E. I. Du Pont De Nemours And Company | Gas-phase fluorination process |
DE69023759T3 (de) * | 1989-02-03 | 2004-05-13 | E.I. Du Pont De Nemours And Co., Wilmington | Verfahren zur herstellung von 1,1,1,2-tetrafluoroäthan. |
US5185482A (en) * | 1989-02-03 | 1993-02-09 | E. I. Du Pont De Nemours And Company | Manufacture of 1,1,1,2-tetrafluoroethane |
US4944890A (en) | 1989-05-23 | 1990-07-31 | E. I. Du Pont De Nemours And Company | Compositions and process of using in refrigeration |
US5036036A (en) * | 1989-06-13 | 1991-07-30 | E. I. Du Pont De Nemours And Company | Chromium oxide catalyst composition |
IT1230779B (it) * | 1989-07-12 | 1991-10-29 | Ausimont Srl | Procedimento per preparare 1,1,1,2 tetrafluoroetano. |
DE3930507A1 (de) | 1989-09-13 | 1991-03-21 | Hoechst Ag | Verfahren zur herstellung von 1,1,1,2-tetrafluorethan |
WO1992002476A1 (fr) | 1990-07-31 | 1992-02-20 | E.I. Du Pont De Nemours And Company | Equilibrage catalytique d'halocarbones selectionnes |
JP2748720B2 (ja) * | 1991-05-23 | 1998-05-13 | ダイキン工業株式会社 | ハロゲン化炭化水素のフッ素化方法 |
US5286398A (en) * | 1992-02-13 | 1994-02-15 | E. I. Du Pont De Nemours And Company | End-capped polyalkylene oxide compositions with hydroxyl group functionality and use thereof for lubrication in refrigeration systems |
US5395999A (en) * | 1992-11-06 | 1995-03-07 | E. I. Du Pont De Nemours And Company | Catalytic chlorofluorination process for producing CHClFCF3 and CHF2 CF3 |
US5258561A (en) * | 1992-11-06 | 1993-11-02 | E. I. Du Pont De Nemours And Company | Catalytic chlorofluorination process for producing CF3 CHClF and CF3 CHF2 |
KR960016683B1 (en) * | 1993-12-09 | 1996-12-20 | Korea Inst Sci & Tech | Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane |
US5494877A (en) * | 1994-06-20 | 1996-02-27 | Showa Denko K. K. | Chromium-based fluorination catalyst containing gallium and production method thereof |
KR0152580B1 (ko) * | 1995-08-23 | 1998-10-15 | 김은영 | 1,1,1,2-테트라플루오로에탄, 펜타플루오로에탄 및 1,1,1-트리플루오로에탄의 병산 방법 |
GB0507139D0 (en) | 2005-04-08 | 2005-05-18 | Ineos Fluor Holdings Ltd | Catalyst |
CN103180276B (zh) | 2010-10-22 | 2015-10-14 | 阿克马法国公司 | 通过五氯丙烷的气相氟化制造2-氯-3,3,3-三氟丙烯的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2576823A (en) * | 1947-11-13 | 1951-11-27 | Du Pont | Fluorination with granular crf3 catalyst |
US2745886A (en) * | 1955-01-31 | 1956-05-15 | Dow Chemical Co | Process for fluorinating aliphatic halohydrocarbons with a chromium fluoride catalyst and process for preparing the catalyst |
FR2381006A1 (fr) * | 1977-02-17 | 1978-09-15 | Ici Ltd | Procede de production du 1,1,1,2tetrafluoroethane |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2004539B (en) * | 1977-09-20 | 1982-02-10 | Ici Ltd | Process for the manufacture of halogenated hydrocarbons |
-
1978
- 1978-08-14 JP JP9939878A patent/JPS5527139A/ja active Pending
-
1979
- 1979-08-08 GB GB7927690A patent/GB2030981B/en not_active Expired
- 1979-08-14 FR FR7920707A patent/FR2433500A1/fr active Granted
- 1979-08-14 IT IT25109/79A patent/IT1123519B/it active
- 1979-08-14 DE DE19792932934 patent/DE2932934A1/de active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2576823A (en) * | 1947-11-13 | 1951-11-27 | Du Pont | Fluorination with granular crf3 catalyst |
US2745886A (en) * | 1955-01-31 | 1956-05-15 | Dow Chemical Co | Process for fluorinating aliphatic halohydrocarbons with a chromium fluoride catalyst and process for preparing the catalyst |
FR2381006A1 (fr) * | 1977-02-17 | 1978-09-15 | Ici Ltd | Procede de production du 1,1,1,2tetrafluoroethane |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0055651A1 (fr) * | 1980-12-29 | 1982-07-07 | Elf Atochem S.A. | Catalyseurs de fluoruration en phase gazeuse des dérivés chlorés aliphatiques, à base de charbon actif imprégné de sulfate de chrome, et procédés de fluoruration utilisant ces catalyseurs |
FR2501063A1 (fr) * | 1980-12-29 | 1982-09-10 | Ugine Kuhlmann | Catalyseurs de fluoruration en phase gazeuse des derives chlores aliphatiques, a base de charbon actif impregne de sulfate de chrome, et procedes de fluoruration utilisant ces catalyseurs |
FR2669022A1 (fr) * | 1990-11-13 | 1992-05-15 | Atochem | Procede de fabrication du tetrafluoro-1,1,1,2-ethane. |
EP0486333A1 (fr) * | 1990-11-13 | 1992-05-20 | Elf Atochem S.A. | Procédé de fabrication du tétrafluoro-1,1,1,2-éthane |
EP0513823A2 (fr) * | 1991-05-17 | 1992-11-19 | Hoechst Aktiengesellschaft | Procédé de fabrication de pentafluoroéthane (R125) |
EP0513823A3 (en) * | 1991-05-17 | 1993-08-11 | Hoechst Aktiengesellschaft | Method for the production of pentafluoroethane (r125) |
EP0554165A1 (fr) * | 1992-01-30 | 1993-08-04 | Elf Atochem S.A. | Procédé de fabrication du 1,1,1,2-tétrafluoroéthane |
FR2686875A1 (fr) * | 1992-01-30 | 1993-08-06 | Atochem Elf Sa | Procede de fabrication du 1,1,1,2-tetrafluoroethane. |
WO1993025507A1 (fr) * | 1992-06-17 | 1993-12-23 | Allied-Signal Inc. | Procede de fluoration en phase vapeur |
EP0714874A1 (fr) * | 1994-11-29 | 1996-06-05 | Elf Atochem North America, Inc. | Procédé pour la préparation de 1,1,1-trifluoroéthane |
Also Published As
Publication number | Publication date |
---|---|
IT1123519B (it) | 1986-04-30 |
GB2030981B (en) | 1983-03-02 |
GB2030981A (en) | 1980-04-16 |
JPS5527139A (en) | 1980-02-27 |
DE2932934A1 (de) | 1980-02-28 |
IT7925109A0 (it) | 1979-08-14 |
FR2433500B1 (fr) | 1984-01-27 |
DE2932934C2 (fr) | 1988-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2433500A1 (fr) | Procede de preparation du tetrafluorethane | |
San Filippo Jr et al. | Reaction of superoxide with alkyl halides and tosylates | |
DK329784D0 (da) | Fremgangsmaade til fremstilling af 1,1,2,3-tetrachlorpropylen | |
FR2429772A1 (fr) | Procede pour l'obtention d'acides arylpyruviques | |
IT1184149B (it) | Processo per la preparazione di fluorossi-alo-composti | |
JPS61134329A (ja) | フツ素化ヨウ化物の製造方法 | |
ES2025580T3 (es) | Procedimiento para la fabricacion de 2-metil-1,4-naftoquinona. | |
FR2361480A1 (fr) | Procede de preparation de carotenoides symetriques | |
YU229487A (en) | Process for preparing (+)-biotine | |
FR2375170A1 (fr) | Procede d'hydratation des olefines | |
FR2383166A1 (fr) | Procede de preparation de b-dimethylamino-propionitrile | |
EP0241235A3 (en) | Process | |
FR2434115A1 (fr) | Procede de separation du chlorure d'hydrogene et du bromure d'hydrogene | |
US5117051A (en) | Preparation of alkanedisulfonic acids | |
FR2375174A1 (fr) | Procede de preparation du pyrocatechol et de l'hydroquinone par hydroxylation du phenol | |
FR2428624A1 (fr) | Procede pour l'alkylation de composes phenoliques pour produire des phenols ortho- et para-mono-alkyles et des phenols 2,4 et 2,6 dialkyles | |
Castellano et al. | Aromatic Polyfluoronitroso Compounds | |
DE3261847D1 (en) | Process for the preparation of acid halides | |
IT1196984B (it) | Procedimento per la preparazione di nitrato di potassio | |
US3265745A (en) | Production of dihalocarbene adducts | |
Hojo et al. | New Synthetic Reactions Based on 1-Methyl-2-Fluoropyridinium Salts. Facile Conversion of Alcohols to Thioalcohols | |
FR2392950A1 (fr) | Procede de preparation de l'ether diphenylique ou d'un ether diphenylique monosubstitue en meta | |
EP0293672B1 (fr) | Procédé pour la préparation d'acides alcane-disulfoniques | |
Okuma et al. | Reactions of stable Wittig reagents with episulfides | |
US3234267A (en) | Preparation of fluorocarbon nitriles |