JPS5241698A - Process for the purification of polyethers - Google Patents

Process for the purification of polyethers

Info

Publication number
JPS5241698A
JPS5241698A JP50118398A JP11839875A JPS5241698A JP S5241698 A JPS5241698 A JP S5241698A JP 50118398 A JP50118398 A JP 50118398A JP 11839875 A JP11839875 A JP 11839875A JP S5241698 A JPS5241698 A JP S5241698A
Authority
JP
Japan
Prior art keywords
polyethers
purification
bubbling
polymer
treatment
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
JP50118398A
Other languages
Japanese (ja)
Other versions
JPS5233000B2 (en
Inventor
Toshiyuki Hayazaki
Kozo Hiraishi
Toshio Sainai
Shunroku Fukushima
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.)
Sanyo Chemical Industries Ltd
Original Assignee
Sanyo Chemical Industries 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 Sanyo Chemical Industries Ltd filed Critical Sanyo Chemical Industries Ltd
Priority to JP50118398A priority Critical patent/JPS5241698A/en
Publication of JPS5241698A publication Critical patent/JPS5241698A/en
Publication of JPS5233000B2 publication Critical patent/JPS5233000B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyethers (AREA)

Abstract

PURPOSE:A process to eliminate alkali catalysts present in polyethers, by bubbling an inert gas into the polymer after the treatment with carbon dioxide in the presence of a specific amount of water.
JP50118398A 1975-09-30 1975-09-30 Process for the purification of polyethers Granted JPS5241698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50118398A JPS5241698A (en) 1975-09-30 1975-09-30 Process for the purification of polyethers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50118398A JPS5241698A (en) 1975-09-30 1975-09-30 Process for the purification of polyethers

Publications (2)

Publication Number Publication Date
JPS5241698A true JPS5241698A (en) 1977-03-31
JPS5233000B2 JPS5233000B2 (en) 1977-08-25

Family

ID=14735667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50118398A Granted JPS5241698A (en) 1975-09-30 1975-09-30 Process for the purification of polyethers

Country Status (1)

Country Link
JP (1) JPS5241698A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008156626A (en) * 2006-11-30 2008-07-10 Sanyo Chem Ind Ltd Method for producing polyalkylene polyol

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0884784A (en) * 1994-09-19 1996-04-02 Senju Sprinkler Kk Simultaneously opening valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008156626A (en) * 2006-11-30 2008-07-10 Sanyo Chem Ind Ltd Method for producing polyalkylene polyol

Also Published As

Publication number Publication date
JPS5233000B2 (en) 1977-08-25

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