KR880700838A - Pyrolysis method of perfluoro polyether - Google Patents

Pyrolysis method of perfluoro polyether

Info

Publication number
KR880700838A
KR880700838A KR870700593A KR870700593A KR880700838A KR 880700838 A KR880700838 A KR 880700838A KR 870700593 A KR870700593 A KR 870700593A KR 870700593 A KR870700593 A KR 870700593A KR 880700838 A KR880700838 A KR 880700838A
Authority
KR
South Korea
Prior art keywords
pyrolysis method
perfluoro polyether
perfluoro
polyether
pyrolysis
Prior art date
Application number
KR870700593A
Other languages
Korean (ko)
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 filed Critical
Publication of KR880700838A publication Critical patent/KR880700838A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
    • C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
    • C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
  • Polyethers (AREA)
KR870700593A 1985-11-08 1987-07-08 Pyrolysis method of perfluoro polyether KR880700838A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79662485A 1985-11-08 1985-11-08
PCT/US1986/002345 WO1987002995A1 (en) 1985-11-08 1986-10-31 The pyrolysis of perfluoropolyethers

Publications (1)

Publication Number Publication Date
KR880700838A true KR880700838A (en) 1988-04-12

Family

ID=25168638

Family Applications (1)

Application Number Title Priority Date Filing Date
KR870700593A KR880700838A (en) 1985-11-08 1987-07-08 Pyrolysis method of perfluoro polyether

Country Status (6)

Country Link
EP (1) EP0256024A1 (en)
JP (1) JPS63501299A (en)
KR (1) KR880700838A (en)
BR (1) BR8606970A (en)
CA (1) CA1283129C (en)
WO (1) WO1987002995A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0848623B1 (en) 1996-07-05 2003-10-08 Disetronic Licensing AG Injection device for injection of liquid
CN115181257B (en) * 2022-08-09 2023-06-09 浙江巨化技术中心有限公司 Method for reducing molecular weight of perfluoropolyether

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242218A (en) * 1961-03-29 1966-03-22 Du Pont Process for preparing fluorocarbon polyethers
FR1530862A (en) * 1966-07-11 1968-06-28 Montedison Spa Fluorinated ketones and process for preparing them
IL31863A0 (en) * 1968-04-23 1969-05-28 Du Pont 4-phenyl(substituted bicyclo(2.2.2)octene)-1-carboxylic acids related compounds and pharmaceutical compositions containing them
US3847978A (en) * 1968-07-01 1974-11-12 Montedison Spa Perfluorinated linear polyethers having reactive terminal groups at both ends of the chain and process for the preparation thereof
BE764110A (en) * 1970-03-12 1971-09-13 Montedison Spa Cyclic perfluoro polyethers
US4523039A (en) * 1980-04-11 1985-06-11 The University Of Texas Method for forming perfluorocarbon ethers
AU579374B2 (en) * 1984-05-23 1988-11-24 Ausimont S.R.L. Process for preparing perfluoropolyethers with neutral and functional end-groups, having a regulated molecular weight

Also Published As

Publication number Publication date
AU6622186A (en) 1987-06-02
EP0256024A1 (en) 1988-02-24
WO1987002995A1 (en) 1987-05-21
CA1283129C (en) 1991-04-16
AU590646B2 (en) 1989-11-09
BR8606970A (en) 1987-12-01
JPS63501299A (en) 1988-05-19

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application