Resistivity-Temperature Behavior of CB-Filled EVA/HDPE

doi:10.19491/j.issn.1001-9278.2009.12.012

Abstract

Abstract: Abstract: The foamed conductive composites of specially conductive carbon black（HG-1P）-filled ethylene-vinyl acetate (EVA)/high-density polyethylene (HDPE) were prepared by the methods of blending on the mixer and mold foaming in this thesis. The vadose threshold value, bubble structures, and resistivity-temperature behavior of the composites and the influences of different proportion of EVA/LDPE, the foamer and the cross-linker on the electric behavior of the composites were investigated.The results showed that EVA/HDPE conductive foamed composites filled with HG-1P had ideal bubble structures and the composites had good switching characteristics, and displayed clear negative temperature coefficient (NTC) effect through resistivity tests at the increasing temperature.

Key words: ethylene-vinyl acetate, high-density polyethylene, carbon black, foamed material, resistivity-temperature behavior

CLC Number:

O482

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Resistivity-Temperature Behavior of CB-Filled EVA/HDPE

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