KR880700838A - Pyrolysis method of perfluoro polyether - Google Patents

Pyrolysis method of perfluoro polyether

Info

Publication number: KR880700838A
Authority: KR; South Korea
Prior art keywords: pyrolysis method; perfluoro polyether; perfluoro; polyether; pyrolysis
Prior art date: 1985-11-08

Application number

KR870700593A

Other languages

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.)

1985-11-08

Filing date

1987-07-08

Publication date

1988-04-12

1987-07-08 Application filed filed Critical

1988-04-12 Publication of KR880700838A publication Critical patent/KR880700838A/en

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
WO1998001171A1 (en)	1996-07-05	1998-01-15	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

1986
- 1986-10-31 EP EP86907094A patent/EP0256024A1/en not_active Withdrawn
- 1986-10-31 WO PCT/US1986/002345 patent/WO1987002995A1/en not_active Application Discontinuation
- 1986-10-31 BR BR8606970A patent/BR8606970A/en unknown
- 1986-10-31 JP JP61506093A patent/JPS63501299A/en active Pending
- 1986-11-07 CA CA000522463A patent/CA1283129C/en not_active Expired - Fee Related
1987
- 1987-07-08 KR KR870700593A patent/KR880700838A/en not_active Application Discontinuation

Also Published As

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

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Legal Events

Date	Code	Title
1991-10-30	A201	Request for examination
1995-06-24	E902	Notification of reason for refusal
1995-11-09	E601	Decision to refuse application