Conducting polymer composites of zinc-filled nylon 6

The present work is concerned with the effect of processing variables and filler concentration on the electrical conductivity, hardness, and density of composite materials prepared by compression molding of a mixture of zinc powder and nylon 6 powder. The electrical conductivity of the composites is...

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Bibliographic Details
Published in:	Journal of applied polymer science Vol. 82; no. 6; pp. 1449 - 1454
Main Authors:	Pinto, Gabriel, Maidana, Mónica B.
Format:	Journal Article
Language:	English
Published:	New York John Wiley & Sons, Inc 07-11-2001 Wiley
Subjects:	Applied sciences Composites conducting polymer composites electrical properties Exact sciences and technology Forms of application and semi-finished materials nylon 6 percolation Polymer industry, paints, wood Technology of polymers zinc powder filler Electrical conductivity Electrical properties Property composition relationship Hardness Experimental study Fabrication property relation Density Composite material Zinc Compression molding Amide 6 polymer Preparation Percolation
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Summary:	The present work is concerned with the effect of processing variables and filler concentration on the electrical conductivity, hardness, and density of composite materials prepared by compression molding of a mixture of zinc powder and nylon 6 powder. The electrical conductivity of the composites is <10−12 S/cm, unless the metal content reaches the percolation threshold at a volume fraction of about 0.18, beyond which the conductivity increases markedly by as much as 10 orders of magnitude. The density of the composites was measured and compared with values calculated by assuming different void levels within the samples. Furthermore, it is shown that the hardness increases with the increase of metal concentration, but for values of filler volume fraction higher than about 0.30 the hardness of samples remains almost constant. Two parameters of molding process, temperature and time, were shown to have a notable effect on the conductivity of composites, whereas pressure has no influence on this property in the pressure range considered. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 82: 1449–1454, 2001
Bibliography:	ArticleID:APP1983 Universidad del Nordeste of Argentina - Project Cooperación Universitaria/AL. E. 99 No. 782 ark:/67375/WNG-7RT58Z55-M istex:9584F0CF6AA37512574E6075DAD6A23233135081 Poliseda S.L. Agencia Española de Cooperación Internacional (AECI), Spain ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0021-8995 1097-4628
DOI:	10.1002/app.1983