The Preparation of Polypyrrole/Cellulose Acetate Composite Films and their Electrical Properties

摘要

A new method was developed for directly preparing conductive polypyrrole (PPy)/cellulose acetate (CA) composite films by in-situ chemical polymerization. The surface morphology of the films was observed by the atomic force microscopy (AFM). It was found that the composite films were composed of two layers with different structures. FTIR spectroscopy was used to analyze the chemical components of each layer. The thermo-oxidative degradation of the films was studied by thermogravimetric analysis (TGA). The results indicated that the thermal stability of the PPy/CA film is higher than that of the pure CA film.