JPS541365A - Purification of high-molecular-weight alkylene oxide polymer - Google Patents

Purification of high-molecular-weight alkylene oxide polymer

Info

Publication number
JPS541365A
JPS541365A JP6688977A JP6688977A JPS541365A JP S541365 A JPS541365 A JP S541365A JP 6688977 A JP6688977 A JP 6688977A JP 6688977 A JP6688977 A JP 6688977A JP S541365 A JPS541365 A JP S541365A
Authority
JP
Japan
Prior art keywords
purification
molecular
alkylene oxide
oxide polymer
weight alkylene
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
JP6688977A
Other languages
Japanese (ja)
Other versions
JPS6125739B2 (en
Inventor
Fumio Kawakubo
Minoru Tada
Tetsuo Mita
Katsuhiko Isayama
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi 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 Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Priority to JP6688977A priority Critical patent/JPS541365A/en
Publication of JPS541365A publication Critical patent/JPS541365A/en
Publication of JPS6125739B2 publication Critical patent/JPS6125739B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: In the purification of crude high-molecular-weight polyalkylene oxide by removing an alkali metal compound, a solvent is added to reduce the viscosity of the reaction mixture and make the solution different in specific gravity from water and the aqueous layer is made acidic to facilitate the layer separation.
COPYRIGHT: (C)1979,JPO&Japio
JP6688977A 1977-06-06 1977-06-06 Purification of high-molecular-weight alkylene oxide polymer Granted JPS541365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6688977A JPS541365A (en) 1977-06-06 1977-06-06 Purification of high-molecular-weight alkylene oxide polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6688977A JPS541365A (en) 1977-06-06 1977-06-06 Purification of high-molecular-weight alkylene oxide polymer

Publications (2)

Publication Number Publication Date
JPS541365A true JPS541365A (en) 1979-01-08
JPS6125739B2 JPS6125739B2 (en) 1986-06-17

Family

ID=13328915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6688977A Granted JPS541365A (en) 1977-06-06 1977-06-06 Purification of high-molecular-weight alkylene oxide polymer

Country Status (1)

Country Link
JP (1) JPS541365A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63176527A (en) * 1987-01-14 1988-07-20 Shigeru Tanaka Steep slope protection work by planting
JPH11256185A (en) * 1998-03-11 1999-09-21 Tokuyama Corp Purification of nonionic surfactant
JP2007204509A (en) * 2006-01-30 2007-08-16 Nof Corp Method for producing terminal alkenyl group-containing polyoxyalkylene sterol derivative

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63176527A (en) * 1987-01-14 1988-07-20 Shigeru Tanaka Steep slope protection work by planting
JPH0453207B2 (en) * 1987-01-14 1992-08-26 Shigeru Tanaka
JPH11256185A (en) * 1998-03-11 1999-09-21 Tokuyama Corp Purification of nonionic surfactant
JP2007204509A (en) * 2006-01-30 2007-08-16 Nof Corp Method for producing terminal alkenyl group-containing polyoxyalkylene sterol derivative

Also Published As

Publication number Publication date
JPS6125739B2 (en) 1986-06-17

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