JPS61115934A - ポリエ−テルの精製方法 - Google Patents

ポリエ−テルの精製方法

Info

Publication number
JPS61115934A
JPS61115934A JP59237491A JP23749184A JPS61115934A JP S61115934 A JPS61115934 A JP S61115934A JP 59237491 A JP59237491 A JP 59237491A JP 23749184 A JP23749184 A JP 23749184A JP S61115934 A JPS61115934 A JP S61115934A
Authority
JP
Japan
Prior art keywords
polyether
heteropolyacid
phase
solvent
distillation
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
JP59237491A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0530849B2 (enrdf_load_stackoverflow
Inventor
Shoichiro Tonomura
外村　正一郎
Atsushi Aoshima
青島　淳
Setsuo Yamamatsu
節男 山松
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 JP59237491A priority Critical patent/JPS61115934A/ja
Priority to EP85114247A priority patent/EP0181621B1/en
Priority to US06/798,249 priority patent/US4677231A/en
Priority to CA000494863A priority patent/CA1268481A/en
Priority to DE8585114247T priority patent/DE3583988D1/de
Priority to KR1019850008492A priority patent/KR880001518B1/ko
Publication of JPS61115934A publication Critical patent/JPS61115934A/ja
Publication of JPH0530849B2 publication Critical patent/JPH0530849B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyethers (AREA)
JP59237491A 1984-11-13 1984-11-13 ポリエ−テルの精製方法 Granted JPS61115934A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP59237491A JPS61115934A (ja) 1984-11-13 1984-11-13 ポリエ−テルの精製方法
EP85114247A EP0181621B1 (en) 1984-11-13 1985-11-08 Process for purification of polyalkylene ether
US06/798,249 US4677231A (en) 1984-11-13 1985-11-08 Process for purification of polyether
CA000494863A CA1268481A (en) 1984-11-13 1985-11-08 Process for purification of polyether
DE8585114247T DE3583988D1 (de) 1984-11-13 1985-11-08 Verfahren zur reinigung von polyalkylenaethern.
KR1019850008492A KR880001518B1 (ko) 1984-11-13 1985-11-13 폴리알킬렌 에테르의 정제방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59237491A JPS61115934A (ja) 1984-11-13 1984-11-13 ポリエ−テルの精製方法

Publications (2)

Publication Number Publication Date
JPS61115934A true JPS61115934A (ja) 1986-06-03
JPH0530849B2 JPH0530849B2 (enrdf_load_stackoverflow) 1993-05-11

Family

ID=17016108

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59237491A Granted JPS61115934A (ja) 1984-11-13 1984-11-13 ポリエ−テルの精製方法

Country Status (1)

Country Link
JP (1) JPS61115934A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0530849B2 (enrdf_load_stackoverflow) 1993-05-11

Similar Documents

Publication Publication Date Title
EP0181621B1 (en) Process for purification of polyalkylene ether
KR102312153B1 (ko) 헥사플루오로-1,3-부타디엔의 제조 방법
JP2002128728A (ja) メタクリル酸の精製方法
US5097077A (en) Purification of heteropolyacid-containing polyalkylene ether glycols
KR100189509B1 (ko) 메타크릴산의 정제방법
CN102046689A (zh) 制备液体环氧树脂的方法
JPS61115934A (ja) ポリエ−テルの精製方法
JP4042212B2 (ja) ヒドロキシアルキルモノアクリレートの製造方法
JPH0148820B2 (enrdf_load_stackoverflow)
TW444032B (en) Process for producing tetrahydrofuran polymer
US3410761A (en) Recovery of epoxy polybutadiene by plural stage flash distillation
EP0063782B1 (en) Process for recovering trioxane
EP0109486A2 (en) Recovery of components of a binary azeotrope
US2463030A (en) Process of purifying glyoxal
JPS6112680A (ja) グリシド−ルの新規精製方法
JPS5976026A (ja) 塩化メチレンとｎ−ヘキサンの分離精製法
US3149131A (en) Purification of oxiranes by reduction of carbonyl impurittes with trivalent nitrogencompounds
JPS61289069A (ja) 高純度ｎ−ビニルホルムアミドの製法
US3558719A (en) Recovery of aqueous formaldehyde by extraction with an alkanol followed by distillation
JP2690366B2 (ja) シクロヘキサノールの分離法
JPS63188673A (ja) トリオキサン水溶液の回収法
JPS61120832A (ja) ポリアルキレンエ−テルの解重合方法
JP2965722B2 (ja) ポリエーテルからの燐タングステン酸の回収方法
JPH051264B2 (enrdf_load_stackoverflow)
JPS6038358A (ja) β―Ｎ―アジリジノ―プロピオン酸エステルの製法

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term