GB1384036A - Process for pyrolyzing tetrafluoroethylene to hexafluoropropylene - Google Patents

Process for pyrolyzing tetrafluoroethylene to hexafluoropropylene

Info

Publication number
GB1384036A
GB1384036A GB2771973A GB2771973A GB1384036A GB 1384036 A GB1384036 A GB 1384036A GB 2771973 A GB2771973 A GB 2771973A GB 2771973 A GB2771973 A GB 2771973A GB 1384036 A GB1384036 A GB 1384036A
Authority
GB
United Kingdom
Prior art keywords
hexafluoropropylene
per cent
unreacted
june
conversion
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
Application number
GB2771973A
Other languages
English (en)
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 GB1384036A publication Critical patent/GB1384036A/en
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB2771973A 1972-06-12 1973-06-11 Process for pyrolyzing tetrafluoroethylene to hexafluoropropylene Expired GB1384036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US261629A US3873630A (en) 1972-06-12 1972-06-12 Process for pyrolyzing tetrafluoroethylene to hexafluoropropylene

Publications (1)

Publication Number Publication Date
GB1384036A true GB1384036A (en) 1975-02-19

Family

ID=22994148

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2771973A Expired GB1384036A (en) 1972-06-12 1973-06-11 Process for pyrolyzing tetrafluoroethylene to hexafluoropropylene

Country Status (8)

Country Link
US (1) US3873630A (sl)
JP (1) JPS5728696B2 (sl)
CA (1) CA1015771A (sl)
DE (1) DE2329750C2 (sl)
FR (1) FR2187743B1 (sl)
GB (1) GB1384036A (sl)
IT (1) IT989657B (sl)
NL (1) NL7308149A (sl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365102A (en) * 1980-09-29 1982-12-21 E. I. Du Pont De Nemours And Company Method of manufacturing perfluoromethane and perfluoroethane
US5334783A (en) * 1988-03-14 1994-08-02 Hoechst Aktiengesellschaft Process for the preparation of hexafluoropropene
US5057634A (en) * 1989-12-19 1991-10-15 E. I. Du Pont De Nemours And Company Multistep synthesis of hexafluoropropylene
US5043491A (en) * 1989-12-19 1991-08-27 E. I. Du Pont De Nemours And Company Multistep synthesis of hexafluoropropylene
US5345013A (en) * 1993-06-10 1994-09-06 E. I. Du Pont De Nemours And Company Safe handling of tetrafluoroethylene
US20020032356A1 (en) 2000-07-14 2002-03-14 Gelblum Peter Gideon Synthesis of perfluoroolefins
KR100361585B1 (ko) * 2000-11-11 2002-11-22 한국과학기술연구원 트리플루오로메탄(ｒ２３)과테트라플루오로에틸렌(ｔｆｅ)의 열분해 반응에 의한헥사플루오로프로필렌(ｈｅｆ)의 제조방법
KR100405187B1 (ko) * 2001-02-20 2003-11-12 한국과학기술연구원 옥타플루오로사이클로부탄(ｒｃ３１８)의 제조방법
KR100405895B1 (ko) * 2001-02-20 2003-11-14 한국과학기술연구원 헥사플루오로프로필렌（ｈｆｐ）과옥타플루오로사이클로부탄（ｒｃ３１８）의 동시 제조방법
US6924403B2 (en) * 2002-06-26 2005-08-02 E. I. Du Pont De Nemours And Company Synthesis of hexafluoropropylene

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394581A (en) * 1943-10-04 1946-02-12 Kinetic Chemicals Inc Pyrolysis of tetrafluoroethylene polymer
US2551573A (en) * 1945-11-30 1951-05-08 Du Pont Pyrolysis of chloro-fluoro alkanes
US2758138A (en) * 1954-05-06 1956-08-07 Du Pont Pyrolysis process for making perfluoropropene from tetrafluoroethylene
US2759983A (en) * 1954-05-06 1956-08-21 Du Pont Pyrolysis process for preparing hexafluoropropene from tetrafluoroethylene polymer
US2970176A (en) * 1957-10-31 1961-01-31 Du Pont Pyrolysis of fluorocarbons to hexafluoropropylene
US3009966A (en) * 1960-02-08 1961-11-21 Pennsalt Chemicals Corp Production of fluorinated compounds
NL122622C (sl) * 1960-09-28
US3446858A (en) * 1963-03-30 1969-05-27 Daikin Ind Ltd Process for the manufacture of hexafluoropropene
DE1519961A1 (de) * 1965-08-17 1969-06-26 Brown Boveri Krupp Reaktor Verfahren zum Entfernen von CO2 und H2O aus einem Gasstrom
US3578721A (en) * 1967-12-14 1971-05-11 Du Pont Process for reducing the formation of polymer attendant the pyrolysis of tetrafluoroethylene

Also Published As

Publication number Publication date
JPS5728696B2 (sl) 1982-06-18
US3873630A (en) 1975-03-25
DE2329750C2 (de) 1982-07-29
JPS4948608A (sl) 1974-05-11
FR2187743B1 (sl) 1977-02-11
IT989657B (it) 1975-06-10
DE2329750A1 (de) 1974-01-03
CA1015771A (en) 1977-08-16
FR2187743A1 (sl) 1974-01-18
NL7308149A (sl) 1973-12-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee