JPS60109584A - ポリオキシテトラメチレングリコ−ルの解重合方法 - Google Patents

ポリオキシテトラメチレングリコ−ルの解重合方法

Info

Publication number
JPS60109584A
JPS60109584A JP58215112A JP21511283A JPS60109584A JP S60109584 A JPS60109584 A JP S60109584A JP 58215112 A JP58215112 A JP 58215112A JP 21511283 A JP21511283 A JP 21511283A JP S60109584 A JPS60109584 A JP S60109584A
Authority
JP
Japan
Prior art keywords
depolymerization
acid
reaction
water
heteropolyacid
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
JP58215112A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0434550B2 (enrdf_load_stackoverflow
Inventor
Atsushi Aoshima
青島　淳
Shoichiro Tonomura
外村　正一郎
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 Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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, Asahi Kasei Kogyo KK 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

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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 true JPS60109584A (ja) 1985-06-15
JPH0434550B2 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)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995002625A3 (en) * 1993-07-16 1995-05-26 Du Pont Polymerization/depolymerization catalyst for polyethers
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
EP0596859B1 (en) * 1988-08-02 1997-10-29 Union Carbide Chemicals And Plastics Company, Inc. Carbonylation catalyst
JP2010516822A (ja) * 2007-01-19 2010-05-20 ビーエーエスエフ ソシエタス・ヨーロピア ポリテトラヒドロフランまたはＴＨＦコポリマーを連続的に製造する際に所定の平均分子量Ｍｎを変化させる方法
JP2010538136A (ja) * 2007-09-06 2010-12-09 ビーエーエスエフ ソシエタス・ヨーロピア ポリテトラヒドロフランのモノエステル及び／又はジエステルを含有する混合物の解重合のための方法
WO2011071503A1 (en) 2009-12-11 2011-06-16 Invista Technologies S.A.R.L. Depolymerization of oligomeric cyclic ethers

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5277051A (en) * 1975-11-26 1977-06-29 Gen Electric Production of tetrahydrofuran

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5277051A (en) * 1975-11-26 1977-06-29 Gen Electric Production of tetrahydrofuran

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0596859B1 (en) * 1988-08-02 1997-10-29 Union Carbide Chemicals And Plastics Company, Inc. Carbonylation 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
WO1995002625A3 (en) * 1993-07-16 1995-05-26 Du Pont Polymerization/depolymerization catalyst for polyethers
EP0750000A3 (en) * 1993-07-16 1997-02-19 Du Pont Depolymerization of polyethers in the presence of heterogeneous catalysts
JP2010516822A (ja) * 2007-01-19 2010-05-20 ビーエーエスエフ ソシエタス・ヨーロピア ポリテトラヒドロフランまたはＴＨＦコポリマーを連続的に製造する際に所定の平均分子量Ｍｎを変化させる方法
JP2010538136A (ja) * 2007-09-06 2010-12-09 ビーエーエスエフ ソシエタス・ヨーロピア ポリテトラヒドロフランのモノエステル及び／又はジエステルを含有する混合物の解重合のための方法
WO2011071503A1 (en) 2009-12-11 2011-06-16 Invista Technologies S.A.R.L. Depolymerization of oligomeric cyclic ethers
US8809491B2 (en) 2009-12-11 2014-08-19 INVISTA North America S.à r.l. Depolymerization of oligomeric cyclic ethers

Also Published As

Publication number Publication date
JPH0434550B2 (enrdf_load_stackoverflow) 1992-06-08

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