GB612992A - Preparation of fluoro-chloro compounds - Google Patents

Preparation of fluoro-chloro compounds

Info

Publication number
GB612992A
GB612992A GB17707/46A GB1770746A GB612992A GB 612992 A GB612992 A GB 612992A GB 17707/46 A GB17707/46 A GB 17707/46A GB 1770746 A GB1770746 A GB 1770746A GB 612992 A GB612992 A GB 612992A
Authority
GB
United Kingdom
Prior art keywords
carbon
low melting
melting polymers
trifluoromonochloroethylene
fluorspar
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
GB17707/46A
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.)
KINETIC CHEMICALS Inc
Original Assignee
KINETIC CHEMICALS Inc
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 KINETIC CHEMICALS Inc filed Critical KINETIC CHEMICALS Inc
Publication of GB612992A publication Critical patent/GB612992A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/18—Monomers containing fluorine
    • C08F14/24—Trifluorochloroethene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/361—Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms
    • C07C17/367—Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms by depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyethers (AREA)
  • Lubricants (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

High melting polymeric trifluoromonochloroethylene is heated to between 400 DEG and 700 DEG C. to form the monomer, dimer and low melting polymers, which are promptly cooled. The pyrolysis is preferably carried out in a closed system in apparatus made of platinum, carbon or "Inconel" (R.T.M.), if desired in an atmosphere of nitrogen or helium under reduced pressure. Heat transfer media, e.g. fluorspar and carbon, may be present. The process may be continuous. The products may be separated by fractional condensation or fractional distillation. The putty-like waxy low melting polymers may be used as lubricants for valves and stopcocks, for extrusion as filaments and coatings on fabrics.ALSO:High melting polymeric trifluoromonochloroethylene is heated to between 400 DEG and 700 DEG C. to form the monomer, dimer and low melting polymers, which are promptly cooled. The pyrolysis is preferably carried out in a closed system in apparatus made of platinum, carbon or "Inconel" (R.T.M.), if desired in an atmosphere of nitrogen or helium under reduced pressure. Heat transfer medium, e.g. fluorspar and carbon, may be present. The process may be continuous. The products may be separated by fractional condensation or fractional distillation. The putty-like waxy low melting polymers may be used as lubricants for valves and stop-cocks, for extrusion on filaments and coatings on fabrics.
GB17707/46A 1945-06-23 1946-06-13 Preparation of fluoro-chloro compounds Expired GB612992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US612992XA 1945-06-23 1945-06-23

Publications (1)

Publication Number Publication Date
GB612992A true GB612992A (en) 1948-11-19

Family

ID=22034885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17707/46A Expired GB612992A (en) 1945-06-23 1946-06-13 Preparation of fluoro-chloro compounds

Country Status (3)

Country Link
BE (1) BE466061A (en)
FR (1) FR929053A (en)
GB (1) GB612992A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1003700B (en) * 1954-07-30 1957-03-07 Hoechst Ag Process for the production of low molecular weight chlorofluorocarbons with a liquid or waxy consistency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1003700B (en) * 1954-07-30 1957-03-07 Hoechst Ag Process for the production of low molecular weight chlorofluorocarbons with a liquid or waxy consistency

Also Published As

Publication number Publication date
BE466061A (en)
FR929053A (en) 1947-12-16

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