Abstract
The paper describes the synthesis and properties of polypyrrole (PPyr) layers, obtained by gas-phase oxidative polymerization, on the surface of a microporous polyethylene (PE) film. Kinetic studies have revealed three stages in the pyrrole polymerization in situ on the PE film. Properties of the composite with various contents of PPyr have been investigated by ultrafiltration, gas separation, and electrodialysis techniques. The composite containing up to 12% of PPyr is an ultrafiltration membrane permeable to liquids. The electrolytic resistance of the HCl-doped PE–PPyr composite anion-exchange membranes has been measured with direct and alternating current as a function of the polypyrrole content. Electron-microscopic and mechanical characteristics of the PE films and composite membranes have been determined.
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