Fabrication and application of vapor grown carbon fiber

Fukuyo, Tomoyuki; Iinou, Satoshi

doi:10.7209/tanso.2010.130

Cited by 2 publications

(1 citation statement)

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“…Carbon nanotubes (CNTs) are regarded as a conductive filler having a high aspect ratio and excellent mechanical and electrical conductive properties, due to their tube diameter of a few dozens of nm and mean length of a few μm. If it can be ensured that the contact probability between the fillers is increased, a high effective conductivity can be obtained even by adding only a small amount of filler . Many studies have reported that the electrical resistivity of the conductive polymer composites was dramatically increased compared with that of pure polymers .…”

Section: Introductionmentioning

confidence: 99%

Effects of injection molding conditions on the electrical properties of polycarbonate/carbon nanotube nanocomposites

et al. 2015

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Polycarbonate/Carbon nanotube (PC/CNT) nanocomposites containing various CNT contents (0–5 wt%) were prepared by injection molding. The effects of CNT contents, injection speed (V) and injection temperature (T) on the electrical resistivity of the PC/CNT nanocomposites were investigated. It was found that the tensile strength of nanocomposites was enhanced slightly with increased CNT contents, and the tensile modulus was 29% greater after the 5 wt% CNT addition, but the brittle tendency became stronger. Aside from tensile properties, the electrical resistivity of the nanocomposites dropped 12 orders of magnitude after the 5 wt% CNT addition. Also, there was a tendency that the electrical resistivity was lower in the case of higher injection temperature and lower injection speed. Scanning electron microscope (SEM) images and the distribution of surface layer electrical resistivity, clearly showed a notable influence by surface layer microstructures on the electrical resistivity, and the injection conditions affected both the value of the maximum electrical resistivity and the position where it occurred. This study offers an alternative green and simple molding process to prepare conductive PC nanocomposites and to achieve the industrialization of PC/CNT nanocomposite products which can be used in electromagnetic shielding and anti‐static fields. POLYM. COMPOS., 37:3245–3255, 2016. © 2015 Society of Plastics Engineers

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Section: Introductionmentioning

confidence: 99%