Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 102, Issue 3, Pages 2520-2526Publisher
JOHN WILEY & SONS INC
DOI: 10.1002/app.24654
Keywords
carbon black; nylon 6; composites; electrical resistivity; mechanical properties
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Nylon 6/carbon black conductive composites were prepared using two different methods, masterbatch dilution and melt mixing. Their effect on the size and distribution of carbon black agglomerates in the matrix was studied in terms of electrical and mechanical properties and morphology. The electrical resistivity of composites prepared by both methods decreased with increasing filler composition. The electrical resistivity of the diluted masterbatch composites and the melt mixed composites was reduced from the resistivity of pure nylon 6, 10(15) ohm, cm, to 107 ohm, cm at 1 and 6 wt % of carbon black, respectively. As the filler content increased, elongation at break and impact strength decreased, but tensile modulus increased. Masterbatch dilution method provided smaller carbon black clusters in composites compared to melt mixing method. (c) 2006 Wiley Periodicals, Inc.
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