JPS5665020A - Polyester having phenoxaphosphine ring and production thereof - Google Patents
Polyester having phenoxaphosphine ring and production thereofInfo
- Publication number
- JPS5665020A JPS5665020A JP14102779A JP14102779A JPS5665020A JP S5665020 A JPS5665020 A JP S5665020A JP 14102779 A JP14102779 A JP 14102779A JP 14102779 A JP14102779 A JP 14102779A JP S5665020 A JPS5665020 A JP S5665020A
- Authority
- JP
- Japan
- Prior art keywords
- polyester
- flame
- phenoxaphosphine
- ring
- production
- 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
- Polyesters Or Polycarbonates (AREA)
Abstract
PURPOSE: A highly heat-resistant, flame-retardant polyester having phenoxyphosphine rings.
CONSTITUTION: A polyester, reduced viscosity about 0.2W2dl/g, comprising repeating units represented by formula I, wherein R is a group selected from formulas IIWXIII. The above polyester has a m.p. about 288W355°C, does not decompose even at about 400°C, exhibits sufficient heat resistance and is self-extinguishing and flame-retardant. Said polyester is prepared by polycondensing (interfacial polymerization is preferred) an aromatic diol with 2,8-dihalogenoformyl-10-phenylphenoxaphosphine 10-oxide represented by formula IX, wherein X is a halogen.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14102779A JPS5665020A (en) | 1979-10-30 | 1979-10-30 | Polyester having phenoxaphosphine ring and production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14102779A JPS5665020A (en) | 1979-10-30 | 1979-10-30 | Polyester having phenoxaphosphine ring and production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5665020A true JPS5665020A (en) | 1981-06-02 |
Family
ID=15282502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14102779A Pending JPS5665020A (en) | 1979-10-30 | 1979-10-30 | Polyester having phenoxaphosphine ring and production thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5665020A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4463159A (en) * | 1982-06-16 | 1984-07-31 | Rohm Gmbh | Polyarylene esters containing phosphorus |
US4472570A (en) * | 1982-08-24 | 1984-09-18 | Rohm Gmbh | Polyarylene esters containing phosphorus |
-
1979
- 1979-10-30 JP JP14102779A patent/JPS5665020A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4463159A (en) * | 1982-06-16 | 1984-07-31 | Rohm Gmbh | Polyarylene esters containing phosphorus |
US4472570A (en) * | 1982-08-24 | 1984-09-18 | Rohm Gmbh | Polyarylene esters containing phosphorus |
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