Process for producing organophosphazene polymers with chlorophos

Details Process for producing organophosphazene polymers with chlorophos Process for producing organophosphazene polymers with chlorophos

1988-11-14

1989-11-14

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phosphorus-containing reactant

528167, 528168, 528398, 528400, 525538, C08G 7300, C08G 2500

Patent

active

048809055

ABSTRACT:
Various kinds of organophosphazene polymers are produced by reacting dichlorophosphezene polymer with hydroxy compounds using a tertiary amine such as triethyl amine as an acid acceptor in the presence of pyridine derivative such as 4-dimethylaminopyridine as a catalyst under mild reaction conditions to substitute substantially all the chlorine atoms with organic groups.

REFERENCES:
patent: 3888800 (1975-06-01), Shibuta et al.
patent: 4446295 (1984-05-01), Allcock

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