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Carbon black/high density polyethylene conducting composite materials: Part I Structural modification of a carbon black by gasification in carbon dioxide and the effect on the electrical and mechanical properties of the composite

Lookup NU author(s): Emeritus Professor Mark Thomas

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Abstract

Carbon black/polymer composites can be used in a wide variety of applications, such as for antistatic shielding. Some of these applications rely on the enhancement of conductivity that the carbon black filler imparts to the polymer matrix. This study has involved modifying the structure and surface functionality of a high structure (H) carbon black by gasification with carbon dioxide, thereby allowing the properties of the corresponding composite to be modified systematically. Partial gasification of the carbon black decreased the room temperature volume resistivity, at the same concentration (wt%) of carbon black in the composite, and decreased the magnitude of the positive temperature coefficient effect. The results are discussed in terms of a carbon black structure modification and its relation to mechanical and electrical properties.


Publication metadata

Author(s): Mather PJ, Thomas KM

Publication type: Article

Publication status: Published

Journal: Journal of Materials Science

Year: 1997

Volume: 32

Issue: 2

Pages: 401-407

Print publication date: 01/01/1997

ISSN (print): 0022-2461

ISSN (electronic): 1573-4803

Publisher: Springer New York LLC

URL: http://dx.doi.org/10.1023/A:1018557501174

DOI: 10.1023/A:1018557501174


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