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

Verfahren zur herstellung von poly(tetramethylenether)glykol.

Info

Publication number
ATE52523T1
ATE52523T1 AT85309264T AT85309264T ATE52523T1 AT E52523 T1 ATE52523 T1 AT E52523T1 AT 85309264 T AT85309264 T AT 85309264T AT 85309264 T AT85309264 T AT 85309264T AT E52523 T1 ATE52523 T1 AT E52523T1
Authority
AT
Austria
Prior art keywords
poly
tetramethylene ether
glycol
production
reaction
Prior art date
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.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of ATE52523T1 publication Critical patent/ATE52523T1/de

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
    • C08G65/02—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 (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5852218A (en) * 1995-12-14 1998-12-22 E. I. Du Pont De Nemours And Company Alkanolysis of polyether polyol esters by reactive distillation
US5684179A (en) * 1995-12-14 1997-11-04 E. I. Du Pont De Nemours And Company Method for recovering diacetate esters of polytetramethylene ethers
DK0954542T3 (da) 1997-01-17 2003-02-10 Korea Ptg Co Ltd Fremgangsmåde til fremstilling af polytetramethylen-ether-glycol-diestere under anvendelse af en halloysit-katalysator
US20140378712A1 (en) * 2012-01-26 2014-12-25 Invista North America S.A.R.L. Alkanolysis process
BR112014029525A2 (pt) * 2012-06-22 2017-06-27 Invista Tech Sarl processo para a conversão, método para a remoção do catalisador e aparelho para a conversão

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

Also Published As

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

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Legal Events

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