HIGH-QUALITY CONDUCTIVE POLYPYRROLE WITHIN A SECONDARY CROSS-LINKED INTERPENETRATING POLYMER NETWORK

A high-quality conductive polypyrrole was prepared within a secondary crosslinked interpenetrating polymer network by chemical oxidative pol ymerization, whose conductivity is high up to 0.25 S/cm only with 0.9% polypyrrole. The ''microfiber'' structure of polypyrrole was characte rized by scanning electron microscopy, polarizing microscopy, and smal l angle X-ray diffraction. The formation of the microfiber was strongl y dependent on the structure of the matrix. This might provide a new m ethod for the preparation of conductive microfibers. (C) 1997 John Wil ey & Sons, Inc.