JPS5773022A - Preparation of polyether - Google Patents
Preparation of polyetherInfo
- Publication number
- JPS5773022A JPS5773022A JP14846480A JP14846480A JPS5773022A JP S5773022 A JPS5773022 A JP S5773022A JP 14846480 A JP14846480 A JP 14846480A JP 14846480 A JP14846480 A JP 14846480A JP S5773022 A JPS5773022 A JP S5773022A
- Authority
- JP
- Japan
- Prior art keywords
- polyfunctional
- polyether
- low
- pref
- reacting
- 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)
Abstract
PURPOSE: To prepare a polyether at low cost, without removing salts produced as by-products, by reacting a polyfunctional phenol with a polyfunctional halogen compound in the presence of a phase-transfer catalyst using water as a reaction solvent.
CONSTITUTION: The objective polyether can be prepared by reacting (A) an alkali metal salt or an alkaline earth metal slat of a polyfunctional phenol dissolved in an aqueous solution of pref. caustic soda or caustic potash, with (B) a polyfunctional halogen compound of formula X-R-Y (X and Y are halogen atom; R is bivalent hydrocarbom or substitued hydrocarbon group), e.g. methylene chloride, in the presence of (C) a phase-transfer catalyst (e.g. a quaternary ammonium slat). The amount of the catalyst is pref. 1W10mol% based on the component (A).
EFFECT: A low-cost, low-boiling solvent (e.g. halogenated hydrocarbon) can be used.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14846480A JPS5773022A (en) | 1980-10-22 | 1980-10-22 | Preparation of polyether |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14846480A JPS5773022A (en) | 1980-10-22 | 1980-10-22 | Preparation of polyether |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5773022A true JPS5773022A (en) | 1982-05-07 |
| JPS6317289B2 JPS6317289B2 (en) | 1988-04-13 |
Family
ID=15453328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14846480A Granted JPS5773022A (en) | 1980-10-22 | 1980-10-22 | Preparation of polyether |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5773022A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007089789A (en) * | 2005-09-28 | 2007-04-12 | Kai R & D Center Co Ltd | Scissors |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54125297A (en) * | 1978-03-23 | 1979-09-28 | Gen Electric | Preparation of polyformal and products thereof |
| JPS5721419A (en) * | 1980-07-15 | 1982-02-04 | Kanegafuchi Chem Ind Co Ltd | Production of polyether |
-
1980
- 1980-10-22 JP JP14846480A patent/JPS5773022A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54125297A (en) * | 1978-03-23 | 1979-09-28 | Gen Electric | Preparation of polyformal and products thereof |
| JPS5721419A (en) * | 1980-07-15 | 1982-02-04 | Kanegafuchi Chem Ind Co Ltd | Production of polyether |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007089789A (en) * | 2005-09-28 | 2007-04-12 | Kai R & D Center Co Ltd | Scissors |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6317289B2 (en) | 1988-04-13 |
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