DE2709280C2 - Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol - Google Patents

Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol

Info

Publication number
DE2709280C2
DE2709280C2 DE19772709280 DE2709280A DE2709280C2 DE 2709280 C2 DE2709280 C2 DE 2709280C2 DE 19772709280 DE19772709280 DE 19772709280 DE 2709280 A DE2709280 A DE 2709280A DE 2709280 C2 DE2709280 C2 DE 2709280C2
Authority
DE
Germany
Prior art keywords
catalyst
reaction
acid
thf
polymer
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
Application number
DE19772709280
Other languages
German (de)
English (en)
Other versions
DE2709280A1 (de
Inventor
Walter Wilson Hockessin Del. Gilbert
George Edward Newark Del. Heinsohn
Gerfried Media Pa. Pruckmayr
Ivan Maxwell Wilmington Del. Robinson
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
Publication of DE2709280A1 publication Critical patent/DE2709280A1/de
Application granted granted Critical
Publication of DE2709280C2 publication Critical patent/DE2709280C2/de
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19772709280 1976-03-31 1977-03-03 Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol Expired DE2709280C2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US67255576A 1976-03-31 1976-03-31
US67255676A 1976-03-31 1976-03-31
US67255776A 1976-03-31 1976-03-31
US75121176A 1976-12-16 1976-12-16
US76751077A 1977-02-14 1977-02-14

Publications (2)

Publication Number Publication Date
DE2709280A1 DE2709280A1 (de) 1977-10-06
DE2709280C2 true DE2709280C2 (de) 1986-08-21

Family

ID=27542063

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19772760272 Expired DE2760272C2 (de) 1976-03-31 1977-03-03 Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol durch Alkoholyse eines Ester-Endgruppen aufweisenden Poly-(tetramethylenether)-glykols
DE19772709280 Expired DE2709280C2 (de) 1976-03-31 1977-03-03 Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19772760272 Expired DE2760272C2 (de) 1976-03-31 1977-03-03 Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol durch Alkoholyse eines Ester-Endgruppen aufweisenden Poly-(tetramethylenether)-glykols

Country Status (7)

Country Link
BE (1) BE853028A (xx)
DE (2) DE2760272C2 (xx)
FR (1) FR2357591A1 (xx)
GB (1) GB1575529A (xx)
IT (1) IT1104560B (xx)
NL (1) NL184066C (xx)
PL (1) PL114086B1 (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004356B1 (en) * 1978-03-16 1982-12-15 E.I. Du Pont De Nemours And Company Polyurethanes prepared with tetrahydrofuran-alkylene oxide polymerizates having low oligomeric cyclic ether content, processes for preparing the same, and articles and fibers of the polyurethanes
FR2429802A1 (fr) * 1978-06-30 1980-01-25 Du Pont Procede perfectionne pour preparer des copolyether glycols a groupes terminaux ester
DE3004328A1 (de) * 1980-02-06 1981-08-13 Bayer Ag, 5090 Leverkusen Polytetrahydrofurane mit acrylat- oder methacrylatendgruppen
DE3013927A1 (de) * 1980-04-11 1981-10-22 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von hydroxylgruppenhaltigen polmeren
US4393199A (en) 1981-05-12 1983-07-12 S R I International Cationic polymerization
DE3410069A1 (de) * 1984-03-20 1985-10-03 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von hydroxylgruppen enthaltenden polymeren
DE4325023A1 (de) * 1993-07-26 1995-02-02 Basf Ag Verfahren zur Herstellung von Polytetrahydrofuran oder Tetrahydrofuran-Alkylenoxid-Copolymeren
DE19527532A1 (de) * 1995-07-27 1997-01-30 Basf Ag Verfahren zur Herstellung von Polyoxytetramethylenglycol
DE19719875A1 (de) * 1997-05-12 1998-11-19 Basf Ag Verfahren zur Polymerisation cyclischer Ether

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1073230A (en) * 1962-11-23 1967-06-21 Eastman Kodak Co Preparation of poly(tetramethylene glycol) and also of elastomeric polyesters formed thereform
JPS5232677B2 (xx) * 1972-12-29 1977-08-23
DE2445961C2 (de) * 1974-09-26 1983-12-01 Basf Ag, 6700 Ludwigshafen Verfahren zur Polymerisation von Tetrahydrofuran

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
FR2357591B1 (xx) 1981-06-26
DE2760272A1 (xx) 1985-05-09
PL114086B1 (en) 1981-01-31
FR2357591A1 (fr) 1978-02-03
DE2709280A1 (de) 1977-10-06
NL7703462A (nl) 1977-10-04
NL184066C (nl) 1989-04-03
IT1104560B (it) 1985-10-21
PL197041A1 (pl) 1978-01-02
GB1575529A (en) 1980-09-24
BE853028A (fr) 1977-09-30
NL184066B (nl) 1988-11-01
DE2760272C2 (de) 1987-04-16

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