FR2357591A1 - 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
FR2357591A1
FR2357591A1 FR7708800A FR7708800A FR2357591A1 FR 2357591 A1 FR2357591 A1 FR 2357591A1 FR 7708800 A FR7708800 A FR 7708800A FR 7708800 A FR7708800 A FR 7708800A FR 2357591 A1 FR2357591 A1 FR 2357591A1
Authority
FR
France
Prior art keywords
poly
tetramethylene ether
glycol
degrees
end groups
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.)
Granted
Application number
FR7708800A
Other languages
English (en)
French (fr)
Other versions
FR2357591B1 (US06826419-20041130-M00005.png
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 FR2357591A1 publication Critical patent/FR2357591A1/fr
Application granted granted Critical
Publication of FR2357591B1 publication Critical patent/FR2357591B1/fr
Granted 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)
FR7708800A 1976-03-31 1977-03-24 Preparation de poly(tetramethylene ether glycol et d'esters de celui-ci Granted FR2357591A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US67255576A 1976-03-31 1976-03-31
US67255776A 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 (2)

Publication Number Publication Date
FR2357591A1 true FR2357591A1 (fr) 1978-02-03
FR2357591B1 FR2357591B1 (US06826419-20041130-M00005.png) 1981-06-26

Family

ID=27542063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7708800A Granted FR2357591A1 (fr) 1976-03-31 1977-03-24 Preparation de poly(tetramethylene ether glycol et d'esters de celui-ci

Country Status (7)

Country Link
BE (1) BE853028A (US06826419-20041130-M00005.png)
DE (2) DE2709280C2 (US06826419-20041130-M00005.png)
FR (1) FR2357591A1 (US06826419-20041130-M00005.png)
GB (1) GB1575529A (US06826419-20041130-M00005.png)
IT (1) IT1104560B (US06826419-20041130-M00005.png)
NL (1) NL184066C (US06826419-20041130-M00005.png)
PL (1) PL114086B1 (US06826419-20041130-M00005.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429802A1 (fr) * 1978-06-30 1980-01-25 Du Pont Procede perfectionne pour preparer des copolyether glycols a groupes terminaux ester

Families Citing this family (8)

* 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
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

Citations (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
NL7400043A (US06826419-20041130-M00005.png) * 1972-12-29 1974-07-02
NL7511378A (nl) * 1974-09-26 1976-03-30 Basf Ag Werkwijze voor de polymerisatie van tetrahydro- furan.

Patent Citations (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
NL7400043A (US06826419-20041130-M00005.png) * 1972-12-29 1974-07-02
NL7511378A (nl) * 1974-09-26 1976-03-30 Basf Ag Werkwijze voor de polymerisatie van tetrahydro- furan.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429802A1 (fr) * 1978-06-30 1980-01-25 Du Pont Procede perfectionne pour preparer des copolyether glycols a groupes terminaux ester

Also Published As

Publication number Publication date
DE2760272A1 (US06826419-20041130-M00005.png) 1985-05-09
PL114086B1 (en) 1981-01-31
NL7703462A (nl) 1977-10-04
NL184066C (nl) 1989-04-03
NL184066B (nl) 1988-11-01
BE853028A (fr) 1977-09-30
IT1104560B (it) 1985-10-21
DE2709280A1 (de) 1977-10-06
DE2760272C2 (US06826419-20041130-M00005.png) 1987-04-16
GB1575529A (en) 1980-09-24
FR2357591B1 (US06826419-20041130-M00005.png) 1981-06-26
DE2709280C2 (de) 1986-08-21
PL197041A1 (pl) 1978-01-02

Similar Documents

Publication Publication Date Title
FR2357591A1 (fr) Preparation de poly(tetramethylene ether glycol et d'esters de celui-ci
ES441908A2 (es) Un procedimiento mejorado para la preparacion de un agente tensoactivo por transesterificacion de sacarosa con un tri- glicerido.
ES458534A1 (es) Procedimiento para la obtencion de esteres glicolicos.
GB527645A (en) Improvements in or relating to the production of substituted acetic acids
ES8200337A1 (es) Procedimiento de preparacion de acido percarboxilico
GB1466552A (en) Stabilised acrylic acid esters of polyhydric alcohols and a process for their preparation
ATE52523T1 (de) Verfahren zur herstellung von poly(tetramethylenether)glykol.
KR910007873A (ko) 메르캅토 카르복실산 에스테르의 연속 제조방법
US2384119A (en) Unsaturated esters
EP0328102B1 (en) Novel polyvinyl alcohol and process for producing polyvinyl alcohol by hydrolysis catalysed by acids
Rehberg et al. Mixed esters of lactic and carbonic acids. reaction of chloroformates with esters of lactic acid
JPH0623245B2 (ja) ポリオキシブチレン―ポリオキシアルキレングリコールカルボン酸ジエステルの製法
US2464741A (en) Polymer of allyl glycolate and process of making same
Reid Esterification A review of the recent past and a look towards the future
US2541155A (en) Polymerization of unsaturated alcohols
SU1232670A1 (ru) Способ получени олигокарбонатметакрилатов
GB576027A (en) Improvements in and relating to the production of acetals
GB1223015A (en) Polymers of 2-methyl-4-(vinyloxymethyl)-1,3-dioxolane
GB989476A (en) Process for the preparation of cyclic carboxylic acids and their esters
SU544914A1 (ru) Способ количественного определени -метилбензилового эфира ацетоуксусной кислоты
GB1232317A (US06826419-20041130-M00005.png)
JPS5721339A (en) Esterification of organic carboxylic acid
FR2135729A5 (en) Lower aliphatic acids - prepd and separated by a process allowing recycling of catalyst
GB1318524A (en) Liquid phase oxidation of elefins to olefin oxides glycols and glycol esters
RU94046191A (ru) Усовершенствованный процесс удаления примесей полиэтилентерефталата

Legal Events

Date Code Title Description
ST Notification of lapse