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Structure and Electrical Properties of Conjugated Polymer Composites

Published online by Cambridge University Press:  10 February 2011

K. C. Gong  and
W. S. Ma
K. C. Gong
Affiliation:
Polymer Structure and Modification Research Laboratory, K.C.Gong@Letter box.scut.edu.cn
W. S. Ma
Affiliation:
South China University of Technology, Guangzhou, China 510641
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Abstract

The microstructure and electrical property relationships in conjugated polymer composites( polyaniline (PAn) or polypyrrole(PPy)/thiokol rubber (TR)) have been characterized by 4-probe method , scanning electron microscope (SEM), x-ray energy dispersive spectrometer (EDS) and attenuated total reflection(ATR). The electrical conductivities of the two surfaces of the film, with film thicknesses from 0.01mm to 0.30mm, prepared by electropolymerization , were measured . The differences were related to the thickness of the film. As for a similar PPy/TR film, when trichloroacetic acid was regarded as the supporting electrolyte the film thickness was 0.05mm and the electrical conductivity of the surface on the solution side was reduced by about 21.3%. The studies of SEM, x-ray EDS , ATR for the chemical composition and microstructure of the two surfaces of the composite films showed that a reaction layer was present in the films. Moreover , the conductivity changes between two sides of a fold mark in the conducting composite film is discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 411: Symposium T – Electricaly-Based Microstructural Characterization , 1995 , 351
Copyright
Copyright © Materials Research Society 1996

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References

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