Conductive composites prepared via a propagating polymerization front

Judit Szalay, István P. Nagy, István Barkai, Miklós Zsuga

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A novel material, a conducting composite with variable temperature coefficient of electrical conductivity, was prepared in a propagating front of an addition polymerization. Graphite and zinc particles were incorporated into an acrylamide-triethylene glycol dimethacrylate copolymer. Specific electric resistance values of the materials yielded were measured at room temperature and also conductivity measurements were performed in the range of 20-220°C. The basic recipe was modified by doping the conductive composite materials with microscopic-scale-size particles of several inorganic and organic compounds, resulting in significantly different conductivity features of the composite. Scanning electron microscopy was performed to study the morphology of materials yielded. No percolative patterns containing zinc particles were found to support the conductive behavior of the composite. In accordance with to the modifying effect of doping materials we suspect that the acrylamide-triethylene glycol dimethacrylate copolymer plays a specific role in the electric conductivity behavior of the composite material.

Original languageEnglish
Pages (from-to)97-109
Number of pages13
JournalAngewandte Makromolekulare Chemie
Publication statusPublished - Mar 1 1996


ASJC Scopus subject areas

  • Materials Science(all)

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