JPS5346907A - Improvement of quality of polyoxyalkylene compounds - Google Patents

Improvement of quality of polyoxyalkylene compounds

Info

Publication number
JPS5346907A
JPS5346907A JP12168476A JP12168476A JPS5346907A JP S5346907 A JPS5346907 A JP S5346907A JP 12168476 A JP12168476 A JP 12168476A JP 12168476 A JP12168476 A JP 12168476A JP S5346907 A JPS5346907 A JP S5346907A
Authority
JP
Japan
Prior art keywords
improvement
quality
polyoxyalkylene compounds
coloring
polyoxyalkylenes
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.)
Pending
Application number
JP12168476A
Other languages
Japanese (ja)
Inventor
Noriaki Yoshimura
Masuhiko Tamura
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.)
Kuraray Co Ltd
Original Assignee
Kuraray 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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP12168476A priority Critical patent/JPS5346907A/en
Publication of JPS5346907A publication Critical patent/JPS5346907A/en
Pending legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyethers (AREA)

Abstract

PURPOSE: To reduce the coloring or coloring tendency of polyoxyalkylenes which contain colored impurities or ones changeable to colored substances by the action of bases, by treating with hydrogen in the presence of a hydrogenation catalyst.
COPYRIGHT: (C)1978,JPO&Japio
JP12168476A 1976-10-08 1976-10-08 Improvement of quality of polyoxyalkylene compounds Pending JPS5346907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12168476A JPS5346907A (en) 1976-10-08 1976-10-08 Improvement of quality of polyoxyalkylene compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12168476A JPS5346907A (en) 1976-10-08 1976-10-08 Improvement of quality of polyoxyalkylene compounds

Publications (1)

Publication Number Publication Date
JPS5346907A true JPS5346907A (en) 1978-04-27

Family

ID=14817304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12168476A Pending JPS5346907A (en) 1976-10-08 1976-10-08 Improvement of quality of polyoxyalkylene compounds

Country Status (1)

Country Link
JP (1) JPS5346907A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61166832A (en) * 1985-01-17 1986-07-28 Taiyo Kagaku Kk Purification of polyglycerol
WO2004056904A1 (en) * 2002-12-20 2004-07-08 Basf Aktiengesellschaft Method for producing polyoxyalkylene glycols
JP2007503522A (en) * 2003-05-06 2007-02-22 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Hydrogenation of polytrimethylene ether glycol.
JP2008063343A (en) * 2001-03-27 2008-03-21 Nof Corp Polyethylene glycol to be used in living body-related field
US7495063B2 (en) 2006-02-03 2009-02-24 Dow Global Technologies Inc. Reduced oligomer concentration in high purity polyalkylene glycols
JP6916402B1 (en) * 2021-02-01 2021-08-11 株式会社日本触媒 Method for producing secondary alcohol alkoxylate

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61166832A (en) * 1985-01-17 1986-07-28 Taiyo Kagaku Kk Purification of polyglycerol
JPH0555530B2 (en) * 1985-01-17 1993-08-17 Taiyo Kagaku Kk
JP2008063343A (en) * 2001-03-27 2008-03-21 Nof Corp Polyethylene glycol to be used in living body-related field
WO2004056904A1 (en) * 2002-12-20 2004-07-08 Basf Aktiengesellschaft Method for producing polyoxyalkylene glycols
JP2007503522A (en) * 2003-05-06 2007-02-22 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Hydrogenation of polytrimethylene ether glycol.
US7495063B2 (en) 2006-02-03 2009-02-24 Dow Global Technologies Inc. Reduced oligomer concentration in high purity polyalkylene glycols
JP6916402B1 (en) * 2021-02-01 2021-08-11 株式会社日本触媒 Method for producing secondary alcohol alkoxylate

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