IT1104560B - Metodo per la preparazione di poli(tetrametilenetere)glicol - Google Patents

Metodo per la preparazione di poli(tetrametilenetere)glicol

Info

Publication number
IT1104560B
IT1104560B IT2183977A IT2183977A IT1104560B IT 1104560 B IT1104560 B IT 1104560B IT 2183977 A IT2183977 A IT 2183977A IT 2183977 A IT2183977 A IT 2183977A IT 1104560 B IT1104560 B IT 1104560B
Authority
IT
Italy
Prior art keywords
tetramethylene
poly
glycol
preparation
Prior art date
Application number
IT2183977A
Other languages
English (en)
Italian (it)
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 IT1104560B publication Critical patent/IT1104560B/it

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)
IT2183977A 1976-03-31 1977-03-29 Metodo per la preparazione di poli(tetrametilenetere)glicol IT1104560B (it)

Applications Claiming Priority (5)

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

Publications (1)

Publication Number Publication Date
IT1104560B true IT1104560B (it) 1985-10-21

Family

ID=27542063

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2183977A IT1104560B (it) 1976-03-31 1977-03-29 Metodo per la preparazione di poli(tetrametilenetere)glicol

Country Status (7)

Country Link
BE (1) BE853028A (xx)
DE (2) DE2709280C2 (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

Also Published As

Publication number Publication date
PL114086B1 (en) 1981-01-31
DE2760272C2 (xx) 1987-04-16
DE2760272A1 (xx) 1985-05-09
NL7703462A (nl) 1977-10-04
DE2709280C2 (de) 1986-08-21
GB1575529A (en) 1980-09-24
NL184066C (nl) 1989-04-03
BE853028A (fr) 1977-09-30
NL184066B (nl) 1988-11-01
DE2709280A1 (de) 1977-10-06
FR2357591A1 (fr) 1978-02-03
PL197041A1 (pl) 1978-01-02
FR2357591B1 (xx) 1981-06-26

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