JPS6451432A - Aromatic polyester-ether and its production - Google Patents
Aromatic polyester-ether and its productionInfo
- Publication number
- JPS6451432A JPS6451432A JP20835187A JP20835187A JPS6451432A JP S6451432 A JPS6451432 A JP S6451432A JP 20835187 A JP20835187 A JP 20835187A JP 20835187 A JP20835187 A JP 20835187A JP S6451432 A JPS6451432 A JP S6451432A
- Authority
- JP
- Japan
- Prior art keywords
- solvent
- pyrrolidone
- methyl
- alkali metal
- metal salt
- 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
- Polyethers (AREA)
Abstract
PURPOSE:To obtain the title polyester excellent in heat resistance, solvent resistance moldability and mechanical properties, by reacting a dihydric phenol with an alkali metal salt in an organic solvent, removing the formed water from the reaction system, adding a specified ester compound to the reaction mixture and polymerizing it. CONSTITUTION:A dihydric phenol (A) of formula I (wherein Ar<1> is an aromatic ring, R<1> is a 1-20C alkyl or alkoxyl, a 2-20C acyl or a 7-20C aralkyl, and a is 0-4) is reacted with an alkali metal salt in an organic polar solvent such as N-methyl-2-pyrrolidone, and the formed water is removed by azeotropic distillation with an azeotrope-forming solvent such as benzene. The reaction product completely freed of water is mixed with an ester compound (B) of formula II (wherein Ar<2-4> are each Ar<1>, R<2-4> are each R<1>, b-d are each a, and X and Y are each a nucleophilic substituent such as a halogen or nitro) in an A to B ratio of 1/1-1.05, and the resulting mixture is polymerized at 100-400 deg.C for 0.5-24hr to obtain the title polymer comprising approximately equimolar amounts of repeating units of formulas III and IV and having an intrinsic viscosity of 0.02-10 in an N-methyl-2-pyrrolidone/LiCl (weight ratio of 95/5) solvent in a concentration of 0.1g/dl at 140 deg.C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20835187A JPS6451432A (en) | 1987-08-24 | 1987-08-24 | Aromatic polyester-ether and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20835187A JPS6451432A (en) | 1987-08-24 | 1987-08-24 | Aromatic polyester-ether and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6451432A true JPS6451432A (en) | 1989-02-27 |
Family
ID=16554843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20835187A Pending JPS6451432A (en) | 1987-08-24 | 1987-08-24 | Aromatic polyester-ether and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6451432A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006183023A (en) * | 2004-12-01 | 2006-07-13 | Nippon Shokubai Co Ltd | Fluorine-containing ester compound, fluorine-containing aryl ester polymer, its manufacturing method and resin composition containing the same |
| JP2010070657A (en) * | 2008-09-19 | 2010-04-02 | Kaneka Corp | Method for manufacturing polyethers |
| US9216072B2 (en) | 2010-08-02 | 2015-12-22 | Sunstar Inc. | Drug-containing personal hygiene implement |
-
1987
- 1987-08-24 JP JP20835187A patent/JPS6451432A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006183023A (en) * | 2004-12-01 | 2006-07-13 | Nippon Shokubai Co Ltd | Fluorine-containing ester compound, fluorine-containing aryl ester polymer, its manufacturing method and resin composition containing the same |
| JP2010070657A (en) * | 2008-09-19 | 2010-04-02 | Kaneka Corp | Method for manufacturing polyethers |
| US9216072B2 (en) | 2010-08-02 | 2015-12-22 | Sunstar Inc. | Drug-containing personal hygiene implement |
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