DE2364859A1 - Verfahren zum polymerisieren von tetrahydrofuran - Google Patents

Verfahren zum polymerisieren von tetrahydrofuran

Info

Publication number
DE2364859A1
DE2364859A1 DE2364859A DE2364859A DE2364859A1 DE 2364859 A1 DE2364859 A1 DE 2364859A1 DE 2364859 A DE2364859 A DE 2364859A DE 2364859 A DE2364859 A DE 2364859A DE 2364859 A1 DE2364859 A1 DE 2364859A1
Authority
DE
Germany
Prior art keywords
tetrahydrofuran
acid
parts
sulfuric acid
polymerization
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.)
Pending
Application number
DE2364859A
Other languages
German (de)
English (en)
Inventor
Kazuo Matsuda
Takeyo Sakai
Yoshiaki Tanaka
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.)
Kao Corp
Original Assignee
Kao Corp
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 Kao Corp filed Critical Kao Corp
Publication of DE2364859A1 publication Critical patent/DE2364859A1/de
Pending 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)
DE2364859A 1972-12-29 1973-12-28 Verfahren zum polymerisieren von tetrahydrofuran Pending DE2364859A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP732657A JPS5232677B2 (US06826419-20041130-M00005.png) 1972-12-29 1972-12-29

Publications (1)

Publication Number Publication Date
DE2364859A1 true DE2364859A1 (de) 1974-07-04

Family

ID=11535400

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2364859A Pending DE2364859A1 (de) 1972-12-29 1973-12-28 Verfahren zum polymerisieren von tetrahydrofuran

Country Status (6)

Country Link
US (1) US3864287A (US06826419-20041130-M00005.png)
JP (1) JPS5232677B2 (US06826419-20041130-M00005.png)
DE (1) DE2364859A1 (US06826419-20041130-M00005.png)
FR (1) FR2212364B1 (US06826419-20041130-M00005.png)
GB (1) GB1456660A (US06826419-20041130-M00005.png)
NL (1) NL7400043A (US06826419-20041130-M00005.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003112A1 (de) * 1978-01-14 1979-07-25 BASF Aktiengesellschaft Verfahren zur Herstellung von Polybutylenglykolcarbonsäurediester durch Polymerisation von chemisch vorbehandeltem Tetrahydrofuran

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709280C2 (de) * 1976-03-31 1986-08-21 E.I. Du Pont De Nemours And Co., Wilmington, Del. Verfahren zur Herstellung von Poly-(tetramethylenether)-glykol
FR2361433A1 (fr) * 1976-03-31 1978-03-10 Du Pont Preparation de poly(tetramethylene ether) glycol a partir d'esters de celui-ci
US4153786A (en) * 1977-03-30 1979-05-08 E. I. Du Pont De Nemours And Company Method for preparing ester end-capped copolyether glycols
FR2438346A1 (fr) * 1978-10-04 1980-04-30 Anvar Perfectionnement aux elements d'accumulateur au plomb
US4230892A (en) * 1979-07-20 1980-10-28 E. I. Du Pont De Nemours And Company Alcoholysis process for preparing poly-(tetramethylene ether) glycol
DE3004328A1 (de) * 1980-02-06 1981-08-13 Bayer Ag, 5090 Leverkusen Polytetrahydrofurane mit acrylat- oder methacrylatendgruppen
US5155283A (en) * 1991-03-19 1992-10-13 E. I. Du Pont De Nemours And Company Polymerization of tetrahydrofuran using trifluoromethane sulfonic acid monohydrate as catalyst
US5541346A (en) * 1992-10-21 1996-07-30 E. I. Du Pont De Nemours And Company Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts
US5990264A (en) * 1993-02-23 1999-11-23 E. I. Du Pont De Nemours And Company Copolymerization of tetrahydrofurans and cyclic anhydrides
US5478920A (en) * 1993-07-16 1995-12-26 E. I. Du Pont De Nemours And Company Cyclic ether polymerization using silicon compound accelerators
DE69424316T2 (de) * 1993-07-16 2000-12-28 Du Pont Depolymerisierung von Polyethern in Gegenwart von heterogenen Katalysatoren
US9447321B2 (en) * 2014-01-16 2016-09-20 Graham Packaging Company, L.P. Oxygen scavenging compositions for plastic containers
CN114395120B (zh) * 2021-12-22 2023-11-10 山东一诺威新材料有限公司 阻燃耐高温聚醚多元醇的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344088A (en) * 1964-05-21 1967-09-26 Continental Oil Co Catalytic process for polymerizing cyclic ethers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003112A1 (de) * 1978-01-14 1979-07-25 BASF Aktiengesellschaft Verfahren zur Herstellung von Polybutylenglykolcarbonsäurediester durch Polymerisation von chemisch vorbehandeltem Tetrahydrofuran

Also Published As

Publication number Publication date
JPS4990798A (US06826419-20041130-M00005.png) 1974-08-29
FR2212364A1 (US06826419-20041130-M00005.png) 1974-07-26
GB1456660A (en) 1976-11-24
NL7400043A (US06826419-20041130-M00005.png) 1974-07-02
JPS5232677B2 (US06826419-20041130-M00005.png) 1977-08-23
US3864287A (en) 1975-02-04
FR2212364B1 (US06826419-20041130-M00005.png) 1976-11-19

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