DE3577566D1 - Verfahren zur herstellung von poly(tetramethylenether)glykol. - Google Patents

Verfahren zur herstellung von poly(tetramethylenether)glykol.

Info

Publication number
DE3577566D1
DE3577566D1 DE8585309264T DE3577566T DE3577566D1 DE 3577566 D1 DE3577566 D1 DE 3577566D1 DE 8585309264 T DE8585309264 T DE 8585309264T DE 3577566 T DE3577566 T DE 3577566T DE 3577566 D1 DE3577566 D1 DE 3577566D1
Authority
DE
Germany
Prior art keywords
glycol
tetramethylenether
poly
producing poly
reaction
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE8585309264T
Other languages
English (en)
Inventor
Gerfried Pruckmayr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3577566D1 publication Critical patent/DE3577566D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE8585309264T 1984-12-21 1985-12-19 Verfahren zur herstellung von poly(tetramethylenether)glykol. Expired - Lifetime DE3577566D1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3577566D1 true DE3577566D1 (de) 1990-06-13

Family

ID=24750467

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585309264T Expired - Lifetime DE3577566D1 (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
DE4108045A1 (de) * 1991-03-13 1992-09-17 Basf Ag Verfahren zur herstellung von polyoxyalkylenglykol monoethern von einwertigen alkoholen
DE4108044A1 (de) * 1991-03-13 1992-09-17 Basf Ag Verfahren zur herstellung von polyoxyalkylenglykolen
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
PT954542E (pt) 1997-01-17 2003-02-28 Korea Ptg Co Ltd Processo para a preparacao de diesteres de politetrametileno eter glicol utilizando um catalisador de halloysite
KR20140117590A (ko) * 2012-01-26 2014-10-07 인비스타 테크놀러지스 에스.에이 알.엘. 개선된 가알칸올분해 프로세스
IN2015MN00017A (de) * 2012-06-22 2015-10-16 Invista Tech Sarl

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
US4584414A (en) 1986-04-22
EP0185553B1 (de) 1990-05-09
SG66690G (en) 1990-09-21
JPH0739486B2 (ja) 1995-05-01
EP0185553A3 (en) 1987-09-30
EP0185553A2 (de) 1986-06-25
JPS61152726A (ja) 1986-07-11
ATE52523T1 (de) 1990-05-15
CA1270857A (en) 1990-06-26

Similar Documents

Publication Publication Date Title
ZA822887B (en) Process for producing ethylene glycol and/or glycolic acid ester,catalyst composition used therefor,and process for production thereof
ES8300305A1 (es) Procedimiento para la obtencion de un catalizador para la polimerizacion a base de silice.
ES2009722A4 (es) Procedimiento para producir n-fosfonometilglicina.
DE3577566D1 (de) Verfahren zur herstellung von poly(tetramethylenether)glykol.
AT380687B (de) Verfahren zur herstellung von n-phosphonometyl-glycin
ATE8142T1 (de) Verfahren zur herstellung von isosorbid-5-nitrat.
DE60028258D1 (de) Kontinuierliches verfahren zur umwandlung von polytetramethylenetherdiestern zu polytetramethylenetherglycolen
DE3382167D1 (de) Verfahren zur herstellung von pseudocumol oder von durol.
DE3772847D1 (de) Verfahren zur herstellung von 2-methyl-1,4-naphthochinon.
ATE147399T1 (de) Verfahren zur herstellung von polyol-fettsäure- polyestern
ATE28855T1 (de) Verfahren zur katalytischen herstellung von alkalialkoholaten.
ATE21117T1 (de) Gaerungsverfahren zur herstellung von alphaisopropylapfels|ure.
ATE2441T1 (de) Verfahren zur enzymatischen herstellung von aldonsaeuren.
ATE59628T1 (de) Verfahren zur herstellung von 2.2.2.trifluor|thanol.
ATE4419T1 (de) Verfahren zur hydrolisierung von glycol-dialkyl- aether zu monoalkylaether und einem tertiaer-alkohol oder tertiaer-olefin.
DE59008491D1 (de) Verfahren zur herstellung von säurefesten katalysatoren für die direkte hydrierung von carbonsäuren zu alkoholen.
ATE187429T1 (de) Verfahren zur herstellung von hydroxybenzaldehyden
DE59106051D1 (de) Verfahren zur katalysatorrückgewinnung.
ES480432A1 (es) Un procedimiento para la preparacion de 1,5-dimetilbiciclo (3,2,1)octanol-8.
ATE123786T1 (de) Verfahren zur herstellung von kunststoffen einschliesslich flächengebilden.
ATE41651T1 (de) Verfahren zur herstellung von d-alpha-(6-methoxy- 2-naphthyl)-propionsaeure.
GB1497992A (en) Production of carboxy-alkane-phosphonic acids and carboxy-alkyl-phosphinic acids
DE3677428D1 (de) Verfahren zur herstellung von catecholboran.
ATE8494T1 (de) Verfahren zur entfernung von hydroperoxiden und aldehyden aus allyl-alkyl-aethern.
ATE62656T1 (de) Verfahren zur herstellung von ameisensaeure durch carbonylierung der hydroxyalkylamine und die hydrolyse der so hergestellten hydroxyalkylformamide.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee