ATE47870T1 - Verfahren zur herstellung von polytetramethylaetherglykolen mit enger molekulargewichtsverteilung. - Google Patents

Verfahren zur herstellung von polytetramethylaetherglykolen mit enger molekulargewichtsverteilung.

Info

Publication number: ATE47870T1
Authority: AT; Austria
Prior art keywords: molecular weight; polymerization; preparation; weight distribution; thf
Prior art date: 1984-06-05

Application number

AT85303943T

Other languages

English (en)

Inventor

Godfried Pruckmayr

Original Assignee

Du Pont

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.)

1984-06-05

Filing date

1985-06-04

Publication date

1989-11-15

1985-06-04 Application filed by Du Pont filed Critical Du Pont

1989-11-15 Application granted granted Critical

1989-11-15 Publication of ATE47870T1 publication Critical patent/ATE47870T1/de

Links

238000002360 preparation method Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title 1
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 abstract 8
238000006116 polymerization reaction Methods 0.000 abstract 4
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract 4
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 2
239000003999 initiator Substances 0.000 abstract 2
-1 poly(tetramethylene ether) Polymers 0.000 abstract 2
125000002091 cationic group Chemical group 0.000 abstract 1
238000006243 chemical reaction Methods 0.000 abstract 1
238000001816 cooling Methods 0.000 abstract 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
229920000642 polymer Polymers 0.000 abstract 1

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
- C08G65/02—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
- C08G65/04—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 from cyclic ethers only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/16—Cyclic ethers having four or more ring atoms
- C08G65/20—Tetrahydrofuran

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polyethers (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Polyesters Or Polycarbonates (AREA)
Organic Insulating Materials (AREA)

AT85303943T 1984-06-05 1985-06-04 Verfahren zur herstellung von polytetramethylaetherglykolen mit enger molekulargewichtsverteilung. ATE47870T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/617,607 US4510333A (en)	1984-06-05	1984-06-05	Method for preparing poly(tetramethylene ether) glycol having narrow molecular weight distribution
EP85303943A EP0167292B1 (de)	1984-06-05	1985-06-04	Verfahren zur Herstellung von Polytetramethylätherglykolen mit enger Molekulargewichtsverteilung

Publications (1)

Publication Number	Publication Date
ATE47870T1 true ATE47870T1 (de)	1989-11-15

Family

ID=24474311

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT85303943T ATE47870T1 (de)	1984-06-05	1985-06-04	Verfahren zur herstellung von polytetramethylaetherglykolen mit enger molekulargewichtsverteilung.

Country Status (10)

Country	Link
US (1)	US4510333A (de)
EP (1)	EP0167292B1 (de)
JP (1)	JPH0615609B2 (de)
KR (1)	KR860000326A (de)
AT (1)	ATE47870T1 (de)
AU (1)	AU570889B2 (de)
BR (1)	BR8502658A (de)
CA (1)	CA1254233A (de)
DE (1)	DE3574151D1 (de)
SG (1)	SG55090G (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3607946A1 (de) *	1986-03-11	1987-09-17	Basf Ag	Verfahren zur einengung der molekulargewichtsverteilung von polytetrahydrofuran und von copolymerisaten aus tetrahydrofuran und alkylenoxiden
JP2572983B2 (ja) *	1987-04-10	1997-01-16	日本ペイント株式会社	オキシテトラメチレン構造を有する重合反応性単量体組成物ならびにその製法
DE3728613A1 (de) *	1987-08-27	1989-03-09	Basf Ag	Verfahren zur einengung der molekulargewichtsverteilung von polytetrahydrofuran und von copolymerisaten aus tetrahydrofuran und alkylenoxiden
US4988797B1 (en) *	1989-03-14	1993-12-28		Cationic polymerization of cyclic ethers
DE4004881C1 (de) *	1990-02-16	1991-02-07	Basf Ag, 6700 Ludwigshafen, De
DE4102174A1 (de) *	1991-01-25	1992-07-30	Basf Ag	Verfahren zur herstellung von zelligen polyurethan-elastomeren unter verwendung von polyethercarbonatdiolen als ausgangskomponente
US5208385A (en) *	1992-02-19	1993-05-04	Arco Chemical Technology, L.P.	Preparation of tetrahydrofuran polymers having a narrow molecular weight distribution using an amorphous silica-alumina catalyst
DE4205984C1 (en) *	1992-02-27	1993-05-06	Bruno Prof. Dr. 7822 St Blasien De Vollmert	Mfg. poly:tetra:hydro:furan or poly:tetra:methylene glycol - by cationic polymerisation of THF in presence of initiator for narrow mol. wt. distribution
US5210283A (en) *	1992-05-18	1993-05-11	Arco Chemical Technology, L.P.	Synthesis of tetrahydrofuran polymers using calcined silica-alumina or beaching earth catalysts
US5344964A (en) *	1993-11-24	1994-09-06	Industrial Technology Research Institute	Method for preparing ester end-capped polyalkylene ether
US5434315A (en) *	1994-02-22	1995-07-18	E. I. Du Pont De Nemours And Company	Reducing molecular weight polydispersity of polyether glycols by membrane fractionation
US5852218A (en) *	1995-12-14	1998-12-22	E. I. Du Pont De Nemours And Company	Alkanolysis of polyether polyol esters by reactive distillation
DE102006027233A1 (de) *	2006-06-09	2007-12-13	Basf Ag	Verfahren zur Herstellung von Polytetrahydrofuran oder Tetrahydrofuran-Copolymeren
KR101457227B1 (ko) *	2007-01-19	2014-10-31	바스프 에스이	폴리테트라히드로푸란 또는 공중합체의 연속상 제조 동안 미리정의된 평균 분자량 Ｍｎ을 변경하는 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA646883A (en) *		1962-08-14	B. Blance Robert	Production of polyether polyols
US2856370A (en) *	1953-09-09	1958-10-14	Du Pont	Process for polymerizing cyclic ethers with phosphorous pentafluoride
US2751419A (en) *	1954-09-13	1956-06-19	Du Pont	Process for purification of polytetramethyleneether
DE1271394B (de) *	1960-05-23	1968-06-27	Goodyear Tire & Rubber	Verfahren zur Herstellung von kautschukeleastischen Polyurethanen
GB1081463A (en)	1963-07-25	1967-08-31	Monsanto Co	Preparation of polyoxytetramethylene glycol
US3454652A (en) *	1966-09-22	1969-07-08	Ouaker Oats Co The	Process for production of tetrahydrofuran polymers
GB1253567A (en) *	1969-04-28	1971-11-17	Quaker Oats Co	Process for production of tetrahydrofuran polymers
DE2445961C2 (de) *	1974-09-26	1983-12-01	Basf Ag, 6700 Ludwigshafen	Verfahren zur Polymerisation von Tetrahydrofuran
US9197467B2 (en)	2011-10-21	2015-11-24	Itron, Inc.	Multiple protocol receiver

1984
- 1984-06-05 US US06/617,607 patent/US4510333A/en not_active Expired - Fee Related
1985
- 1985-06-03 BR BR8502658A patent/BR8502658A/pt not_active IP Right Cessation
- 1985-06-03 AU AU43249/85A patent/AU570889B2/en not_active Ceased
- 1985-06-04 AT AT85303943T patent/ATE47870T1/de not_active IP Right Cessation
- 1985-06-04 KR KR1019850003896A patent/KR860000326A/ko not_active Withdrawn
- 1985-06-04 JP JP60121383A patent/JPH0615609B2/ja not_active Expired - Lifetime
- 1985-06-04 EP EP85303943A patent/EP0167292B1/de not_active Expired
- 1985-06-04 CA CA000483126A patent/CA1254233A/en not_active Expired
- 1985-06-04 DE DE8585303943T patent/DE3574151D1/de not_active Expired
1990
- 1990-07-17 SG SG55090A patent/SG55090G/en unknown

Also Published As

Publication number	Publication date
KR860000326A (ko)	1986-01-28
JPS6112727A (ja)	1986-01-21
US4510333A (en)	1985-04-09
JPH0615609B2 (ja)	1994-03-02
AU4324985A (en)	1985-12-12
CA1254233A (en)	1989-05-16
DE3574151D1 (en)	1989-12-14
EP0167292B1 (de)	1989-11-08
BR8502658A (pt)	1986-02-12
SG55090G (en)	1990-09-07
AU570889B2 (en)	1988-03-24
EP0167292A1 (de)	1986-01-08

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Legal Events

Date	Code	Title	Description
1990-04-15	UEP	Publication of translation of european patent specification
1994-03-15	REN	Ceased due to non-payment of the annual fee