Catalyst for preparation of soluble poly(dichlorophosphazenes)

Details Catalyst for preparation of soluble poly(dichlorophosphazenes) Catalyst for preparation of soluble poly(dichlorophosphazenes)

1978-11-07

1981-03-24

Sneed, Helen M. S.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252428, 252437, 260543P, 260941, 423299, 423300, B01J 2714

Patent

active

042579171

ABSTRACT:
High molecular weight poly(dihalophosphazenes) which exhibit solubility in benzene and in substituted benzenes are prepared in solution or in bulk from dihalophosphazenes such as (Cl.sub.2 PN).sub.3-7 at moderate temperatures by the use of novel polymerization catalysts.

REFERENCES:
patent: 3625755 (1971-12-01), Potrafke
patent: 4005171 (1977-01-01), Reynard et al.
patent: 4139598 (1979-02-01), Reynard et al.

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