Solution polymerization of chlorophosphazene with sulfur modifie

Details Solution polymerization of chlorophosphazene with sulfur modifie Solution polymerization of chlorophosphazene with sulfur modifie

1976-11-05

1980-09-30

Vertiz, O. R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Halogen containing

C01B 2510

Patent

active

042255678

ABSTRACT:
Solution polymerization of cyclic dichlorophosphazenes represented by the general formula (NPCl.sub.2).sub.n in which "n" is less than 15 to essentially linear polydichlorophosphazenes in which the degree of polymerization is within the range of 20 to 50,000 is improved by the use of selected solvents and by the presence of elemental sulfur or sulfur donating compounds in the polymerization mixture.

REFERENCES:
MacCallum et al., "The Effect of Sulfur on the Polymerization of Hexachlorocyclotriphosphazene", Polymer letters, vol. 7, 743-747, (1969).

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