JPS5346907A - Improvement of quality of polyoxyalkylene compounds - Google Patents
Improvement of quality of polyoxyalkylene compoundsInfo
- 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
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
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)
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 |
-
1976
- 1976-10-08 JP JP12168476A patent/JPS5346907A/en active Pending
Cited By (7)
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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