JPS61115935A - 環式ポリアルキレンエ−テルの解重合方法 - Google Patents

環式ポリアルキレンエ−テルの解重合方法

Info

Publication number
JPS61115935A
JPS61115935A JP23749284A JP23749284A JPS61115935A JP S61115935 A JPS61115935 A JP S61115935A JP 23749284 A JP23749284 A JP 23749284A JP 23749284 A JP23749284 A JP 23749284A JP S61115935 A JPS61115935 A JP S61115935A
Authority
JP
Japan
Prior art keywords
acid
ether
cyclic
depolymerization
polyalkylene ether
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
JP23749284A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0561270B2 (enrdf_load_stackoverflow
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 JP23749284A priority Critical patent/JPS61115935A/ja
Publication of JPS61115935A publication Critical patent/JPS61115935A/ja
Publication of JPH0561270B2 publication Critical patent/JPH0561270B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Furan Compounds (AREA)
  • Epoxy Compounds (AREA)
  • Polyethers (AREA)
JP23749284A 1984-11-13 1984-11-13 環式ポリアルキレンエ−テルの解重合方法 Granted JPS61115935A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23749284A JPS61115935A (ja) 1984-11-13 1984-11-13 環式ポリアルキレンエ−テルの解重合方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23749284A JPS61115935A (ja) 1984-11-13 1984-11-13 環式ポリアルキレンエ−テルの解重合方法

Publications (2)

Publication Number Publication Date
JPS61115935A true JPS61115935A (ja) 1986-06-03
JPH0561270B2 JPH0561270B2 (enrdf_load_stackoverflow) 1993-09-06

Family

ID=17016122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23749284A Granted JPS61115935A (ja) 1984-11-13 1984-11-13 環式ポリアルキレンエ−テルの解重合方法

Country Status (1)

Country Link
JP (1) JPS61115935A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009025201A (ja) * 2007-07-20 2009-02-05 Shimadzu Corp 電子天秤
WO2011071503A1 (en) * 2009-12-11 2011-06-16 Invista Technologies S.A.R.L. Depolymerization of oligomeric cyclic ethers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009025201A (ja) * 2007-07-20 2009-02-05 Shimadzu Corp 電子天秤
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
JPH0561270B2 (enrdf_load_stackoverflow) 1993-09-06

Similar Documents

Publication Publication Date Title
JPH04505934A (ja) 環状エーテルの重合
US5003111A (en) Isobutylene oxide polyols
JPH0730176B2 (ja) ポリアルキレンエーテルポリオールの合成方法
KR101759358B1 (ko) 개선된 폴리에테르 글리콜 제조 방법
JPS61115935A (ja) 環式ポリアルキレンエ−テルの解重合方法
US6313262B1 (en) Method for preparing polyether polyol and copolymer thereof
US6414109B1 (en) Process for producing tetrahydrofuran polymer
EP0094014B1 (en) Process for preparing colorless hydroxyl epihalohydrin polymers
JPH0713140B2 (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
US3503898A (en) Cationic polymerization catalyst
JPS60109584A (ja) ポリオキシテトラメチレングリコ−ルの解重合方法
JP3284031B2 (ja) ポリエーテルグリコールの製造方法
JPS61120832A (ja) ポリアルキレンエ−テルの解重合方法
JP2534053B2 (ja) ラクトン重合体の製造方法
US5055496A (en) Polymer product containing isobutylene oxide polyols
JP4831851B2 (ja) ヘテロポリ酸を触媒としたｔｈｆ重合体の製造方法
US12221514B2 (en) Process for purifying polyether polyols
JPS61143428A (ja) ポリアルキレンエ−テルポリオ−ルの製造方法
JPH0597996A (ja) ポリエーテル類の精製方法
JP2006510754A (ja) テトラヒドロフラン−コポリマーの製造方法
JP3172079B2 (ja) プロペニルエーテル化合物の製造方法
EP0213800B2 (en) Monomer Production
US3356619A (en) Method of polymerizing tetrahydrofuran
JPH0558011B2 (enrdf_load_stackoverflow)
CN114891200A (zh) 一种离子液体催化剂及其催化合成四氢呋喃环氧乙烷共聚醚的方法

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term