JPS5461124A - Preparation of flame-retardant phosphinic acid esters - Google Patents

Preparation of flame-retardant phosphinic acid esters

Info

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
Application number
JP12682177A
Other languages
Japanese (ja)
Inventor
Tetsuro Nakahama
Koji Mimura
Kunihiro Aoki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Rayon Co Ltd
Nitto Chemical Industry Co Ltd
Original Assignee
Mitsubishi Rayon Co Ltd
Nitto Chemical Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Rayon Co Ltd, Nitto Chemical Industry Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP12682177A priority Critical patent/JPS5461124A/en
Publication of JPS5461124A publication Critical patent/JPS5461124A/en
Pending legal-status Critical Current

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  • 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
JP12682177A 1977-10-24 1977-10-24 Preparation of flame-retardant phosphinic acid esters Pending JPS5461124A (en)

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)

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