TRANSPORT-PROPERTIES OF POLYNAPHTHYLIMIDE S

A series of polynaphthylimides was synthesized, and the physicochemica l and transport properties (gas permeability and diffusivity) of these polymers were investigated, The effect of the structure of dianhydrid e and diamine components on the properties of the resulting polymers w as studied. It was shown that polynaphthylimides containing meta-subst ituted phenylene rings in a diamine component are characterized by low er gas permeability as compared to para-substituted polymers. The cond ensed tetracyclic structure in a dianhydride component leads to the po lymers that show higher values of permeability and diffusion coefficie nts.