DE2760272A1 - - Google Patents

Info

Publication number
DE2760272A1
DE2760272A1 DE19772760272 DE2760272A DE2760272A1 DE 2760272 A1 DE2760272 A1 DE 2760272A1 DE 19772760272 DE19772760272 DE 19772760272 DE 2760272 A DE2760272 A DE 2760272A DE 2760272 A1 DE2760272 A1 DE 2760272A1
Authority
DE
Germany
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.)
Granted
Application number
DE19772760272
Other languages
German (de)
Other versions
DE2760272C2 (ja
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
Priority claimed from US67255676A external-priority
Application filed filed Critical
Publication of DE2760272A1 publication Critical patent/DE2760272A1/de
Application granted granted Critical
Publication of DE2760272C2 publication Critical patent/DE2760272C2/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
DE19772760272 1976-03-31 1977-03-03 Expired DE2760272C2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US67255676A 1976-03-31 1976-03-31
US67255576A 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
DE2760272A1 true DE2760272A1 (ja) 1985-05-09
DE2760272C2 DE2760272C2 (ja) 1987-04-16

Family

ID=27542063

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19772709280 Expired DE2709280C2 (de) 1976-03-31 1977-03-03 Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol
DE19772760272 Expired DE2760272C2 (ja) 1976-03-31 1977-03-03

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19772709280 Expired DE2709280C2 (de) 1976-03-31 1977-03-03 Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol

Country Status (7)

Country Link
BE (1) BE853028A (ja)
DE (2) DE2709280C2 (ja)
FR (1) FR2357591B1 (ja)
GB (1) GB1575529A (ja)
IT (1) IT1104560B (ja)
NL (1) NL184066C (ja)
PL (1) PL114086B1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5463020A (en) * 1993-07-26 1995-10-31 Basf Aktiengesellschaft Preparation of polytetrahydrofuran or tetrahydrofuran/alkylene oxide copolymers
US6043338A (en) * 1995-07-27 2000-03-28 Basf Aktiengesellschaft Method of producing polyoxytetramethylene glycol
US6359108B1 (en) * 1997-05-12 2002-03-19 Basf Aktiengesellschaft Method for polymerizing cyclic ether

Families Citing this family (6)

* 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
FR2429802B1 (ja) * 1978-06-30 1984-12-14 Du Pont
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

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 (ja) * 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 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5463020A (en) * 1993-07-26 1995-10-31 Basf Aktiengesellschaft Preparation of polytetrahydrofuran or tetrahydrofuran/alkylene oxide copolymers
US6043338A (en) * 1995-07-27 2000-03-28 Basf Aktiengesellschaft Method of producing polyoxytetramethylene glycol
US6359108B1 (en) * 1997-05-12 2002-03-19 Basf Aktiengesellschaft Method for polymerizing cyclic ether

Also Published As

Publication number Publication date
PL197041A1 (pl) 1978-01-02
NL184066C (nl) 1989-04-03
IT1104560B (it) 1985-10-21
GB1575529A (en) 1980-09-24
DE2760272C2 (ja) 1987-04-16
DE2709280A1 (de) 1977-10-06
FR2357591A1 (fr) 1978-02-03
PL114086B1 (en) 1981-01-31
DE2709280C2 (de) 1986-08-21
NL184066B (nl) 1988-11-01
NL7703462A (nl) 1977-10-04
BE853028A (fr) 1977-09-30
FR2357591B1 (ja) 1981-06-26

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Legal Events

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Free format text: HEINSOHN, GEORGE EDWARD, NEWARK, DEL., US PRUCKMAYR, GERFRIED, MEDIA, PA., US ROBINSON, IVAN MAXWELL, WILMINGTON, DEL., US GIBERT, WALTER WILSON, HOCKESSIN, DEL., US

8181 Inventor (new situation)

Free format text: HEINSOHN, GEORGE EDWARD, NEWARK, DEL., US PRUCKMAYR, GERFRIED, MEDIA, PA., US ROBINSON, IVAN MAXWELL, WILMINGTON, DEL., US GILBERT, WALTER WILSON, HOCKESSIN, DEL., US

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