electret, polypropylene, composite materials, potential relaxation, aluminium oxide, low-angled Xray dispersion, fractals, fractal properties of surfaces " />

DISPERSIVE ALUMINIUM FILLING MATERIAL INFLUENCE ON THE POLYPROPYLENE STRUCTURE AND PROPERTIES

E. Fomicheva, D. Temnov, A. V. Smirnov, B. Fedorov


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Abstract

 

Electret properties of composite polymer materials on the basis of polypropylene were investigated. Investigations were done by methods of thermostimulated and isothermal relaxation of potential and X-ray diffraction analysis. It is shown that aluminium powder adding in pure polymer improves electret stability of original polymer. By a low-angled X-ray dispersion method it was shown that aluminium surface possesses clearly defined fractal properties. Fractal dimensions values indicate that aluminium surface fractions are rough.
 

Keywords:   electret, polypropylene, composite materials, potential relaxation, aluminium oxide, low-angled Xray dispersion, fractals, fractal properties of surfaces

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