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Electrical Properties of a Composite Film of Poly(acrylonitrile) Nanoparticles Coated with Carbon Nanotubes

✍ Scribed by Seung-Jin Han; Bumsu Kim; Kyung-Do Suh

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
287 KB
Volume
208
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

A novel time‐ and cost‐saving technique to fabricate a CNT composite film was suggested by using poly(acrylonitrile) nanoparticles coated with functionalized carbon nanotubes. Composite films were formed with fCNTs attached to nanoparticles by hot pressing onto PMMA films. The electrical properties (conductivity and electromagnetic interference shielding effectiveness) of the films were investigated. It was observed that CNT/polymer composite films with PAN nanoparticles coated with fCNTs showed good electrical properties because of enhanced dispersity of CNTs in the polymer matrix.

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## Abstract Nanocomposites of blends of polymethylmethacrylate (PMMA) and poly(styrene‐__co__‐acrylonitrile) (SAN) with multi‐walled carbon nanotubes (MWCNTs) were prepared by melt mixing in a twin‐screw extruder. The dispersion state of MWCNTs in the matrix polymers was investigated using transmis