Production of polyorganophosphazenes

Details Production of polyorganophosphazenes Production of polyorganophosphazenes

1997-08-18

1998-06-02

Ambrose, Michael G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus esters

558157, C07F 924

Patent

active

057602719

ABSTRACT:
A process for producing a polyorganophosphazene from a polyhalophosphazene. The polyhalophosphazene is reacted with a metal salt of an alkyl ester of hydroxybenzoic acid wherein the metal salt of the alkyl ester of hydroxybenzoic acid is contained in a homogeneous melt solution. The reaction of the polyhalophosphazene with the metal salt of an alkyl ester of hydroxybenzoic acid produces a macromolecular substituted polymer, which is reacted with a base to hydrolyze the polymer and produce the desired polyorganophosphazene product.

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patent: 5529777 (1996-06-01), Andrianov et al.
Andrianov, et al., J. Appl. Pol. Sco., vol. 53, pp. 1573-1578 (1994).

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