Production and characterization of polycarbonate composite sheets reinforced with vapor grown carbon fiber

This investigation describes fabrication of polymer composite sheets incorporated with vapor grown carbon nanofibers by a solution-evaporation and a rolling method, and a procedure to determine fiber dispersion, orientation state and electrical and mechanical properties. Microscopic analysis has sho...

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Bibliographic Details
Published in:Composites. Part A, Applied science and manufacturing Applied science and manufacturing, 2006-01, Vol.37 (11), p.1944-1951
Main Authors: Choi, Young-Kuk, Sugimoto, Koh-ichi, Song, Sung-Moo, Endo, Morinobu
Format: Article
Language:English
Subjects:
A. Fibres
Applied sciences
B. Electrical properties
B. Mechanical properties
Composites
E. Casting
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
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Summary:This investigation describes fabrication of polymer composite sheets incorporated with vapor grown carbon nanofibers by a solution-evaporation and a rolling method, and a procedure to determine fiber dispersion, orientation state and electrical and mechanical properties. Microscopic analysis has shown a homogeneous dispersion of VGCFs in a polycarbonate matrix with no agglomerates and no shortening of the fibers. Higher amounts of VGCFs also were relatively well dispersed. The electrical resistivity and the tensile strength were decreased in both materials; the porosities were increased by the addition of the fibers. The rolling process improved the orientation of nanofibers and enhanced its mechanical properties. Thin composite sheets showed a high tensile modulus due to the compressor-processing effect.
ISSN:1359-835X
1878-5840
DOI:10.1016/j.compositesa.2005.12.026