JPS5461124A - Preparation of flame-retardant phosphinic acid esters - Google Patents
Preparation of flame-retardant phosphinic acid estersInfo
- Publication number
- JPS5461124A JPS5461124A JP12682177A JP12682177A JPS5461124A JP S5461124 A JPS5461124 A JP S5461124A JP 12682177 A JP12682177 A JP 12682177A JP 12682177 A JP12682177 A JP 12682177A JP S5461124 A JPS5461124 A JP S5461124A
- Authority
- JP
- Japan
- Prior art keywords
- retardant
- flame
- preparation
- acid esters
- diol
- 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
- Fireproofing Substances (AREA)
Abstract
PURPOSE: To prepare the title compound useful as a durable phosphorus flame-retardant for polyester fiber, in high yield, by the dehydrochlorinating condensation of specific phosphinyl chloride with a diol in an inert organic solvent in the presence of deacidifying agent.
CONSTITUTION: The title compound III is prepared by reacting a phosphinyl chloride I (R1,2 are aryl, Cl- or Br-substituted aryl, 1W6C alkyl, etc.; R1 and R2 may together form an alkylene.) with a diol II (R3 is arylene, halogen-substituted arylene, 1W6C alkylene, etc.; Z is O, S) in an inert organic solvent in the presence of a deacidifying agent.
EFFECT: Since the polyester containing the compound has excellent flame-retardancy and heat-resistnce, it can be spun without viscosity decrease and discoloration, and polyester fiber having high weatherability and resistance to washing is obtained
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12682177A JPS5461124A (en) | 1977-10-24 | 1977-10-24 | Preparation of flame-retardant phosphinic acid esters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12682177A JPS5461124A (en) | 1977-10-24 | 1977-10-24 | Preparation of flame-retardant phosphinic acid esters |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5461124A true JPS5461124A (en) | 1979-05-17 |
Family
ID=14944769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12682177A Pending JPS5461124A (en) | 1977-10-24 | 1977-10-24 | Preparation of flame-retardant phosphinic acid esters |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5461124A (en) |
-
1977
- 1977-10-24 JP JP12682177A patent/JPS5461124A/en active Pending
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