Paper Title:
Negative Temperature Coefficient of PVC Filled with Carbon Black
  Abstract

PVC filled with carbon black (CB) composition were prepared by a conventional melt-mixing method. The effects of CB on the negative-temperature-coefficient (NTC) effect and the resistivity-temperature characteristic of PVC/CB composites were studied. Our present research suggests that percolation threshold can be obtained for the content of CB 10%. The reasons of NTC phenomenon were also investigated from point of view of polymer structure. We also discussed relationship between the current and voltage, that is, the I-U characteristic of the composites can be divided into two regions, ohmic and nonohmic according to the different content of CB and voltage.

  Info
Periodical
Advanced Materials Research (Volumes 301-303)
Chapter
Chapter 2: Measuring and Testing Techniques
Edited by
Riza Esa and Yanwen Wu
Pages
1128-1132
DOI
10.4028/www.scientific.net/AMR.301-303.1128
Citation
J. X. Li, "Negative Temperature Coefficient of PVC Filled with Carbon Black", Advanced Materials Research, Vols. 301-303, pp. 1128-1132, 2011
Online since
July 2011
Authors
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Price
$32.00
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