Unvernetzte epoxide-amin-additionspolymere, 32. Hochmolekulare polykationen vom michler-hydrolblau-typ und ihre dielektrische charakterisierung

A high-molecular-weight poly(leuco base) (M _n = 11000–18000) was obtained by addition polymerization of N,N′-dibenzyl-4,4′-methylenedianiline ( 2 ) and 2,2-bis4-(2,3-epoxypropoxy)-phenyl]propane (diglycidyl ether of Bisphenol A) ( 1 ). The oxidation of this addition polymer with chloroanil, iodine, bromine, chlorine or antimony pentachloride results in polymeric dyes (absorption at λ = 620 nm) containing units of the “Michler Hydrolblau” type. The dielectric behavior in the frequency range 10² Hz up to 10⁷ Hz shows a dependence of the conductivity on the temperature. Polymer 4c exhibits a conductivity of σ = 6 · 10^?6 S/cm at 134,3°C and 10⁶ Hz.