ATE52523T1 - Verfahren zur herstellung von poly(tetramethylenether)glykol. - Google Patents

Verfahren zur herstellung von poly(tetramethylenether)glykol.

Info

Publication number: ATE52523T1
Authority: AT; Austria
Prior art keywords: poly; tetramethylene ether; glycol; production; reaction
Prior art date: 1984-12-21

Application number

AT85309264T

Other languages

English (en)

Inventor

Gerfried 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.)

1984-12-21

Filing date

1985-12-19

Publication date

1990-05-15

1985-12-19 Application filed by Du Pont filed Critical Du Pont

1990-05-15 Application granted granted Critical

1990-05-15 Publication of ATE52523T1 publication Critical patent/ATE52523T1/de

Links

LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title abstract 4
-1 POLY(TETRAMETHYLENE ETHER) Polymers 0.000 title abstract 3
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
238000006136 alcoholysis reaction Methods 0.000 abstract 2
239000003054 catalyst Substances 0.000 abstract 2
239000002253 acid Substances 0.000 abstract 1
150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
150000004703 alkoxides Chemical class 0.000 abstract 1
230000003197 catalytic effect Effects 0.000 abstract 1
238000006243 chemical reaction Methods 0.000 abstract 1
239000007795 chemical reaction product Substances 0.000 abstract 1
238000011109 contamination Methods 0.000 abstract 1
150000005690 diesters Chemical class 0.000 abstract 1
229920000642 polymer Polymers 0.000 abstract 1
239000000047 product Substances 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
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/26—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of hydroxy or O-metal groups
- 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
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Polyethers (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

AT85309264T 1984-12-21 1985-12-19 Verfahren zur herstellung von poly(tetramethylenether)glykol. ATE52523T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/685,017 US4584414A (en)	1984-12-21	1984-12-21	Process for preparing improved poly(tetramethylene ether) glycol by alcoholysis
EP85309264A EP0185553B1 (de)	1984-12-21	1985-12-19	Verfahren zur Herstellung von Poly(tetramethylenether)glykol

Publications (1)

Publication Number	Publication Date
ATE52523T1 true ATE52523T1 (de)	1990-05-15

Family

ID=24750467

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT85309264T ATE52523T1 (de)	1984-12-21	1985-12-19	Verfahren zur herstellung von poly(tetramethylenether)glykol.

Country Status (7)

Country	Link
US (1)	US4584414A (de)
EP (1)	EP0185553B1 (de)
JP (1)	JPH0739486B2 (de)
AT (1)	ATE52523T1 (de)
CA (1)	CA1270857A (de)
DE (1)	DE3577566D1 (de)
SG (1)	SG66690G (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USH938H (en)	1989-10-30	1991-07-02		Removal of hydroxide ion from alkoxide ion solutions
DE4108044A1 (de) *	1991-03-13	1992-09-17	Basf Ag	Verfahren zur herstellung von polyoxyalkylenglykolen
DE4108045A1 (de) *	1991-03-13	1992-09-17	Basf Ag	Verfahren zur herstellung von polyoxyalkylenglykol monoethern von einwertigen alkoholen
US5180857A (en) *	1992-03-10	1993-01-19	E. I. Du Pont De Nemours And Company	Reduction of molecular weight of poly(tetramethylene ether) glycol
US5410093A (en) *	1994-02-17	1995-04-25	E. I. Du Pont De Nemours And Company	Method for removing transesterification catalyst from polyether polyols
DE19522922C2 (de) *	1995-06-23	2000-05-04	Ind Tech Res Inst	Verfahren zur Herstellung von Polyätherglycolen mit Hydroxygruppen-Endabschluß
US5684179A (en) *	1995-12-14	1997-11-04	E. I. Du Pont De Nemours And Company	Method for recovering diacetate esters of polytetramethylene ethers
US5852218A (en) *	1995-12-14	1998-12-22	E. I. Du Pont De Nemours And Company	Alkanolysis of polyether polyol esters by reactive distillation
WO1998031724A1 (en)	1997-01-17	1998-07-23	Shinwha Petrochemical Co., Ltd.	Process for production of polytetramethylene-ether-glycol-diester using halloysite catalyst
KR20140117590A (ko)	2012-01-26	2014-10-07	인비스타 테크놀러지스 에스.에이 알.엘.	개선된 가알칸올분해 프로세스
EP2864392A4 (de) *	2012-06-22	2015-12-23	Invista Technologies Srl	Verbesserter alkanolyseprozess und verfahren zur trennung von katalysatoren aus einem produktgemisch und vorrichtung dafür
US11248103B2 (en)	2019-03-20	2022-02-15	9449710 Canada Inc.	Process for the depolymerization of polyethylene terephthalate (PET)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3016404A (en) *	1959-09-28	1962-01-09	Allied Chem	Purification of crude alkylene oxide polyether
DE2318107A1 (de) *	1973-04-11	1974-11-07	Basf Ag	Verfahren zur herstellung von reinen polyalkylenaethern
US4230892A (en) *	1979-07-20	1980-10-28	E. I. Du Pont De Nemours And Company	Alcoholysis process for preparing poly-(tetramethylene ether) glycol
DE3107449A1 (de) *	1981-02-27	1982-09-16	Basf Ag, 6700 Ludwigshafen	Verfahren zur reinigung von polytetramethylenetherglykolen

1984
- 1984-12-21 US US06/685,017 patent/US4584414A/en not_active Expired - Fee Related
1985
- 1985-12-17 CA CA000497825A patent/CA1270857A/en not_active Expired - Lifetime
- 1985-12-19 DE DE8585309264T patent/DE3577566D1/de not_active Expired - Lifetime
- 1985-12-19 AT AT85309264T patent/ATE52523T1/de not_active IP Right Cessation
- 1985-12-19 EP EP85309264A patent/EP0185553B1/de not_active Expired - Lifetime
- 1985-12-20 JP JP60285953A patent/JPH0739486B2/ja not_active Expired - Lifetime
1990
- 1990-08-13 SG SG666/90A patent/SG66690G/en unknown

Also Published As

Publication number	Publication date
DE3577566D1 (de)	1990-06-13
JPH0739486B2 (ja)	1995-05-01
US4584414A (en)	1986-04-22
JPS61152726A (ja)	1986-07-11
SG66690G (en)	1990-09-21
EP0185553B1 (de)	1990-05-09
EP0185553A2 (de)	1986-06-25
EP0185553A3 (en)	1987-09-30
CA1270857A (en)	1990-06-26

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Legal Events

Date	Code	Title	Description
1990-12-15	UEP	Publication of translation of european patent specification
1993-09-15	REN	Ceased due to non-payment of the annual fee