JPS5381597A - Purification of polyoxyalkylene polyol - Google Patents
Purification of polyoxyalkylene polyolInfo
- Publication number
- JPS5381597A JPS5381597A JP15843476A JP15843476A JPS5381597A JP S5381597 A JPS5381597 A JP S5381597A JP 15843476 A JP15843476 A JP 15843476A JP 15843476 A JP15843476 A JP 15843476A JP S5381597 A JPS5381597 A JP S5381597A
- Authority
- JP
- Japan
- Prior art keywords
- polyoxyalkylene polyol
- purification
- treating
- useful
- raw material
- 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
Links
Landscapes
- Polyethers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
PURPOSE: To prepare polyoxyalkylene polyol containing little residual alkalis, and useful as a raw material of a high quality polyurethane foam, by treating a crude polyoxyalkylene polyol with CO2 under specific conditions.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15843476A JPS5381597A (en) | 1976-12-28 | 1976-12-28 | Purification of polyoxyalkylene polyol |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15843476A JPS5381597A (en) | 1976-12-28 | 1976-12-28 | Purification of polyoxyalkylene polyol |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5381597A true JPS5381597A (en) | 1978-07-19 |
JPS614404B2 JPS614404B2 (en) | 1986-02-10 |
Family
ID=15671668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15843476A Granted JPS5381597A (en) | 1976-12-28 | 1976-12-28 | Purification of polyoxyalkylene polyol |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5381597A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0052276A1 (en) * | 1980-11-19 | 1982-05-26 | E.I. Du Pont De Nemours And Company | Method for reducing oligomeric cyclic ether content of a polymerizate |
JP2011246731A (en) * | 2001-05-16 | 2011-12-08 | Nippon Shokubai Co Ltd | Production method of alkoxylate compound |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4832596A (en) * | 1971-08-31 | 1973-04-28 |
-
1976
- 1976-12-28 JP JP15843476A patent/JPS5381597A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4832596A (en) * | 1971-08-31 | 1973-04-28 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0052276A1 (en) * | 1980-11-19 | 1982-05-26 | E.I. Du Pont De Nemours And Company | Method for reducing oligomeric cyclic ether content of a polymerizate |
JP2011246731A (en) * | 2001-05-16 | 2011-12-08 | Nippon Shokubai Co Ltd | Production method of alkoxylate compound |
Also Published As
Publication number | Publication date |
---|---|
JPS614404B2 (en) | 1986-02-10 |
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