BE853028A - Preparation de poly(tetramethylene ether) glycol et d'esters de celui-ci - Google Patents

Preparation de poly(tetramethylene ether) glycol et d'esters de celui-ci

Info

Publication number
BE853028A
BE853028A BE176242A BE176242A BE853028A BE 853028 A BE853028 A BE 853028A BE 176242 A BE176242 A BE 176242A BE 176242 A BE176242 A BE 176242A BE 853028 A BE853028 A BE 853028A
Authority
BE
Belgium
Prior art keywords
esters
poly
glycol
preparation
same
Prior art date
Application number
BE176242A
Other languages
English (en)
French (fr)
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
Publication of BE853028A publication Critical patent/BE853028A/xx

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)
BE176242A 1976-03-31 1977-03-30 Preparation de poly(tetramethylene ether) glycol et d'esters de celui-ci BE853028A (fr)

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 (1)

Publication Number Publication Date
BE853028A true BE853028A (fr) 1977-09-30

Family

ID=27542063

Family Applications (1)

Application Number Title Priority Date Filing Date
BE176242A BE853028A (fr) 1976-03-31 1977-03-30 Preparation de poly(tetramethylene ether) glycol et d'esters de celui-ci

Country Status (7)

Country Link
BE (1) BE853028A (enExample)
DE (2) DE2709280C2 (enExample)
FR (1) FR2357591A1 (enExample)
GB (1) GB1575529A (enExample)
IT (1) IT1104560B (enExample)
NL (1) NL184066C (enExample)
PL (1) PL114086B1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2964245D1 (en) * 1978-03-16 1983-01-20 Du Pont 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 (enExample) * 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
DE2760272C2 (de) 1987-04-16
NL7703462A (nl) 1977-10-04
DE2709280C2 (de) 1986-08-21
NL184066B (nl) 1988-11-01
IT1104560B (it) 1985-10-21
NL184066C (nl) 1989-04-03
PL114086B1 (en) 1981-01-31
FR2357591A1 (fr) 1978-02-03
DE2760272A1 (enExample) 1985-05-09
DE2709280A1 (de) 1977-10-06
FR2357591B1 (enExample) 1981-06-26
PL197041A1 (pl) 1978-01-02
GB1575529A (en) 1980-09-24

Similar Documents

Publication Publication Date Title
BE858802A (fr) Compositions d'isocyanate et leur preparation
FI54842C (fi) Formstycke i anordningar foer immunitetsbestaemningar och enzymreaktioner
SE7710397L (sv) Kiseldioxidhaltiga beredningar och forfarande for framstellning derav
SE7810208L (sv) Termoplastiska polyeteruretanelaster och forfarande for framstellning derav
SE7705555L (sv) Universallenkkoppling och kors for denna
SE7701728L (sv) Klusterforeningar och forfarande for framstellning derav
SE7606427L (sv) Ampull och ampullberare
SE7703698L (sv) Prostaglandinderivat och forfarande for framstellning derav
BE860263A (fr) Polyether polyols et leur preparation
BE853028A (fr) Preparation de poly(tetramethylene ether) glycol et d'esters de celui-ci
FI792116A7 (fi) Foerfarande foer framstaellning av n-vinylamidpolymerer och daerav erhaollbara produkter
SE7614757L (sv) Somatostatinderivat och forfarande for framstellning derav
SE7710805L (sv) Fenylalaninderivat och forfarande for framstellning derav
SE7709333L (sv) Dihydro-oxo-nikotinsyror och forfarande for deras framstellning
BE856778A (fr) Catalyseurs d'hydrosilylation et leur preparation
BE860277A (fr) Composition d'ether glycidylique sa preparation et son utilisation
BE859221A (fr) Bis-carbamoylsulfures n-substitues et leur preparation
SE7708486L (sv) Peptider och forfarande for deras framstellning
SE7705873L (sv) Bensensulfonykarbamider och forfarande for deras framstellning
SE7805437L (sv) Poly(organofosfazener) och forfarande for framstellning derav
SE7706059L (sv) Nya 1-aryloxi-2-hydroxi-3-aminopropaner och forfarande for deras framstellning
SE7509441L (sv) Athelminitiskt aktiva 2-karbalkoxiamino-bensimidazolyl-5(6)-sulfonsyra-fenylestrar och forfarande for deras framstellning
SE7705086L (sv) 1,2,6-tiadiazinon och forfarande for framstellning derav
SE7707369L (sv) Nya metaaminofenoler och fergkompositioner innehallande dessa metaaminofenoler
BE855224A (fr) Analogues de 5,6-dihydro-prostacycline et leur preparation

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: E.I. DU PONT DE NEMOURS AND CY

Effective date: 19940331