DE1170935B - Verfahren zur gleichzeitigen Herstellung von Tetrafluoraethylen und Hexofluorpropylen und gegebenenfalls geringen Mengen Perfluorcyclobutan durch Pyrolyse von Chlordifluormethan - Google Patents

Verfahren zur gleichzeitigen Herstellung von Tetrafluoraethylen und Hexofluorpropylen und gegebenenfalls geringen Mengen Perfluorcyclobutan durch Pyrolyse von Chlordifluormethan

Info

Publication number
DE1170935B
DE1170935B DEP27951A DEP0027951A DE1170935B DE 1170935 B DE1170935 B DE 1170935B DE P27951 A DEP27951 A DE P27951A DE P0027951 A DEP0027951 A DE P0027951A DE 1170935 B DE1170935 B DE 1170935B
Authority
DE
Germany
Prior art keywords
chlorodifluoromethane
pyrolysis
perfluorocyclobutane
tetrafluoroethylene
temperature
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.)
Pending
Application number
DEP27951A
Other languages
German (de)
English (en)
Inventor
Ronald Harry Halliwell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE1170935B publication Critical patent/DE1170935B/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
    • C07C17/263—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions
    • C07C17/269—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions of only halogenated hydrocarbons

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DEP27951A 1960-09-28 1961-09-28 Verfahren zur gleichzeitigen Herstellung von Tetrafluoraethylen und Hexofluorpropylen und gegebenenfalls geringen Mengen Perfluorcyclobutan durch Pyrolyse von Chlordifluormethan Pending DE1170935B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58895A US3306940A (en) 1960-09-28 1960-09-28 Process for the manufacture of perfluoroolefins

Publications (1)

Publication Number Publication Date
DE1170935B true DE1170935B (de) 1964-05-27

Family

ID=22019577

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP27951A Pending DE1170935B (de) 1960-09-28 1961-09-28 Verfahren zur gleichzeitigen Herstellung von Tetrafluoraethylen und Hexofluorpropylen und gegebenenfalls geringen Mengen Perfluorcyclobutan durch Pyrolyse von Chlordifluormethan

Country Status (5)

Country Link
US (1) US3306940A (xx)
BE (1) BE608590A (xx)
DE (1) DE1170935B (xx)
GB (1) GB917093A (xx)
NL (2) NL122622C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287219A1 (en) * 1987-04-10 1988-10-19 Imperial Chemical Industries Plc Production of tetrafluoroethylene and hexafluoropropylene

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337645A (en) * 1963-04-05 1967-08-22 Mobil Oil Corp Catalytic conversion of fluorocarbons
DE1236497B (de) * 1965-02-02 1967-03-16 Fluorwerke Dohna Verfahren zur Herstellung von Perfluorpropen
US3873630A (en) * 1972-06-12 1975-03-25 Du Pont Process for pyrolyzing tetrafluoroethylene to hexafluoropropylene
US5043491A (en) * 1989-12-19 1991-08-27 E. I. Du Pont De Nemours And Company Multistep synthesis of hexafluoropropylene
US5068472A (en) * 1989-12-19 1991-11-26 E. I. Du Pont De Nemours And Company Multistep synthesis of hexafluoropropylene
US5057634A (en) * 1989-12-19 1991-10-15 E. I. Du Pont De Nemours And Company Multistep synthesis of hexafluoropropylene
US5474657A (en) * 1994-02-10 1995-12-12 Minnesota Mining And Manufacturing Company Preparation of F-alkyl F-isobutyl ethers by electrochemical fluorination
JP3946764B2 (ja) * 1995-02-17 2007-07-18 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー テトラフルオロエチレンの合成法
US20020032356A1 (en) 2000-07-14 2002-03-14 Gelblum Peter Gideon Synthesis of perfluoroolefins
US6924403B2 (en) * 2002-06-26 2005-08-02 E. I. Du Pont De Nemours And Company Synthesis of hexafluoropropylene
CN110078586B (zh) * 2019-05-06 2022-05-27 聊城氟尔新材料科技有限公司 一种四氟乙烯联产六氟丙烯的装置和工艺及应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2404374A (en) * 1943-04-23 1946-07-23 Du Pont Polyfluorinated cycloparaffins and process for producing them
US2551573A (en) * 1945-11-30 1951-05-08 Du Pont Pyrolysis of chloro-fluoro alkanes
US2617836A (en) * 1951-04-18 1952-11-11 Minnesota Mining & Mfg Production of olefinic c4f8
US2758138A (en) * 1954-05-06 1956-08-07 Du Pont Pyrolysis process for making perfluoropropene from tetrafluoroethylene
DE1073475B (de) * 1958-07-29 1960-01-21 Farbwerke Hoechst Aktiengesellschaft vormals Meister Lucius &. Brüning, Frankfurt/M Verfahren zur Herstellung von Tetrafluoräthylen
US2979539A (en) * 1959-01-06 1961-04-11 Minnesota Mining & Mfg Difluorocarbene free radicals in the synthesis of fluorinated olefinic compounds
US3016405A (en) * 1959-01-07 1962-01-09 Du Pont Metal catalyzed pyrolysis of fluoromethanes
US3022357A (en) * 1959-10-08 1962-02-20 Du Pont Purification of fluorocarbons
US3009966A (en) * 1960-02-08 1961-11-21 Pennsalt Chemicals Corp Production of fluorinated compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287219A1 (en) * 1987-04-10 1988-10-19 Imperial Chemical Industries Plc Production of tetrafluoroethylene and hexafluoropropylene

Also Published As

Publication number Publication date
NL269647A (xx)
BE608590A (fr) 1962-03-27
US3306940A (en) 1967-02-28
GB917093A (en) 1963-01-30
NL122622C (xx)

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