Process for preparing polydichlorophosphazene composition having controlled ratio of cyclic oligomer and composition obtained by the method

摘要

Process for the preparation of polydichlorophosphazene compositions with a controlled cyclic oligomer content. The control of this content is obtained by modifying the concentration of the monomer (P2NOCl5 or P2NSCl5) in the solution of the said monomer subjected to polycondensation. The invention also relates to compositions with the said controlled cyclic oligomer content.