JPH0434550B2 - - Google Patents

Info

Publication number
JPH0434550B2
JPH0434550B2 JP58215112A JP21511283A JPH0434550B2 JP H0434550 B2 JPH0434550 B2 JP H0434550B2 JP 58215112 A JP58215112 A JP 58215112A JP 21511283 A JP21511283 A JP 21511283A JP H0434550 B2 JPH0434550 B2 JP H0434550B2
Authority
JP
Japan
Prior art keywords
thf
ptmg
depolymerization
heteropolyacid
molecular weight
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.)
Expired - Lifetime
Application number
JP58215112A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60109584A (ja
Inventor
Atsushi Aoshima
Shoichiro Tonomura
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP58215112A priority Critical patent/JPS60109584A/ja
Publication of JPS60109584A publication Critical patent/JPS60109584A/ja
Publication of JPH0434550B2 publication Critical patent/JPH0434550B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyethers (AREA)
  • Furan Compounds (AREA)
JP58215112A 1983-11-17 1983-11-17 ポリオキシテトラメチレングリコ−ルの解重合方法 Granted JPS60109584A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58215112A JPS60109584A (ja) 1983-11-17 1983-11-17 ポリオキシテトラメチレングリコ−ルの解重合方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58215112A JPS60109584A (ja) 1983-11-17 1983-11-17 ポリオキシテトラメチレングリコ−ルの解重合方法

Publications (2)

Publication Number Publication Date
JPS60109584A JPS60109584A (ja) 1985-06-15
JPH0434550B2 true JPH0434550B2 (enrdf_load_stackoverflow) 1992-06-08

Family

ID=16666948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58215112A Granted JPS60109584A (ja) 1983-11-17 1983-11-17 ポリオキシテトラメチレングリコ−ルの解重合方法

Country Status (1)

Country Link
JP (1) JPS60109584A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218140A (en) * 1988-08-02 1993-06-08 Union Carbide Chemicals & Plastics Technology Corporation Carbonylation reaction and catalyst therefor
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
DE69420845T2 (de) * 1993-07-16 2000-04-20 E.I. Du Pont De Nemours And Co. Polymerisationskatalysator für polyether
WO2008086919A1 (de) * 2007-01-19 2008-07-24 Basf Se Verfahren zur änderung des vorgegebenen mittleren molekulargewicht mn bei der kontinuierlichen herstellung von polytetrahydrofuranen oder thf copolymeren
DE502008002275D1 (de) * 2007-09-06 2011-02-24 Basf Se Verfahren zur depolymerisation von mono- und/oder diestern des polytetrahydrofurans enthaltenden gemischen
US8809491B2 (en) 2009-12-11 2014-08-19 INVISTA North America S.à r.l. Depolymerization of oligomeric cyclic ethers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR7607840A (pt) * 1975-11-26 1977-10-11 Gen Electric Processo aperfeicoado para a producao de tetra-hidro-furano

Also Published As

Publication number Publication date
JPS60109584A (ja) 1985-06-15

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