JPS61120832A - ポリアルキレンエ−テルの解重合方法 - Google Patents

ポリアルキレンエ−テルの解重合方法

Info

Publication number
JPS61120832A
JPS61120832A JP24048484A JP24048484A JPS61120832A JP S61120832 A JPS61120832 A JP S61120832A JP 24048484 A JP24048484 A JP 24048484A JP 24048484 A JP24048484 A JP 24048484A JP S61120832 A JPS61120832 A JP S61120832A
Authority
JP
Japan
Prior art keywords
depolymerization
polyalkylene ether
heteropolyacid
molecular weight
reaction
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
JP24048484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0531572B2 (enExample
Inventor
Shoichiro Tonomura
外村　正一郎
Hiroyuki Fukui
福井　弘行
Atsushi Aoshima
青島　淳
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 JP24048484A priority Critical patent/JPS61120832A/ja
Publication of JPS61120832A publication Critical patent/JPS61120832A/ja
Publication of JPH0531572B2 publication Critical patent/JPH0531572B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyethers (AREA)
  • Furan Compounds (AREA)
JP24048484A 1984-11-16 1984-11-16 ポリアルキレンエ−テルの解重合方法 Granted JPS61120832A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24048484A JPS61120832A (ja) 1984-11-16 1984-11-16 ポリアルキレンエ−テルの解重合方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24048484A JPS61120832A (ja) 1984-11-16 1984-11-16 ポリアルキレンエ−テルの解重合方法

Publications (2)

Publication Number Publication Date
JPS61120832A true JPS61120832A (ja) 1986-06-07
JPH0531572B2 JPH0531572B2 (enExample) 1993-05-12

Family

ID=17060196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24048484A Granted JPS61120832A (ja) 1984-11-16 1984-11-16 ポリアルキレンエ−テルの解重合方法

Country Status (1)

Country Link
JP (1) JPS61120832A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994009055A3 (en) * 1992-10-21 1994-07-21 Du Pont Polymerization of, and depolymerization to, cyclic ethers using selected metal compound 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
WO2011071503A1 (en) * 2009-12-11 2011-06-16 Invista Technologies S.A.R.L. Depolymerization of oligomeric cyclic ethers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994009055A3 (en) * 1992-10-21 1994-07-21 Du Pont Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts
EP1029881A3 (en) * 1992-10-21 2001-07-04 E.I. Du Pont De Nemours And Company Depolymerization to cyclic ethers using selected metal compound 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
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
JPH0531572B2 (enExample) 1993-05-12

Similar Documents

Publication Publication Date Title
US5099074A (en) Process for the preparation of polyether glycols
JPS6323211B2 (enExample)
JPH0730176B2 (ja) ポリアルキレンエーテルポリオールの合成方法
US5097077A (en) Purification of heteropolyacid-containing polyalkylene ether glycols
EP1219658B1 (en) Polyoxytetramethylene glycol and process for producing the same
JPS61120832A (ja) ポリアルキレンエ−テルの解重合方法
US6414109B1 (en) Process for producing tetrahydrofuran polymer
JPH0434550B2 (enExample)
TW442513B (en) Method for preparing polyether diol
JPS6279223A (ja) ポリアルキレンエ−テルポリオ−ルの製造法
JPS61143428A (ja) ポリアルキレンエ−テルポリオ−ルの製造方法
JP3284031B2 (ja) ポリエーテルグリコールの製造方法
JPH0561270B2 (enExample)
EP1433807A1 (en) Method for producing polyether-polyol having narrow molecular weight distribution
JPH0148820B2 (enExample)
JP3776123B2 (ja) ポリエーテル、ポリエステル及びポリエーテルエステルからヘテロポリ化合物を分離除去する方法
JPH0558012B2 (enExample)
JPS61123626A (ja) 分子中にポリオキシアルキレン基を有する重合体の製造方法
JPH0558011B2 (enExample)
JPS63178131A (ja) テトラヒドロフランとε―カプロラクトンの共重合方法
JP2506363B2 (ja) カルボキシル基含有量の少ないポリ−β−メチル−δ−バレロラクトン系ポリエステルポリオ−ル及びその製造方法
JPS62257931A (ja) ポリオキシアルキレングリコ−ルおよび、または環式ポリアルキレンエ−テルの解重合方法
JPS6330931B2 (enExample)
JP4831851B2 (ja) ヘテロポリ酸を触媒としたｔｈｆ重合体の製造方法
JPS63196623A (ja) ラクトン重合体の製造方法

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term