polymer coating of carbon nanotube fibers for electric microcables

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ID: 179327
2014
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Ranked #86 of 133 articles by views in progress in neuro-psychopharmacology & biological psychiatry

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Abstract
Carbon nanotubes (CNTs) are considered the most promising candidates to replace Cu and Al in a large number of electrical, mechanical and thermal applications. Although most CNT industrial applications require macro and micro size CNT fiber assemblies, several techniques to make conducting CNT fibers, threads, yarns and ropes have been reported to this day, and improvement of their electrical and mechanical conductivity continues. Some electrical applications of these CNT conducting fibers require an insulating layer for electrical insulation and protection against mechanical tearing. Ideally, a flexible insulator such as hydrogenated nitrile butadiene rubber (HNBR) on the CNT fiber can allow fabrication of CNT coils that can be assembled into lightweight, corrosion resistant electrical motors and transformers. HNBR is a largely used commercial polymer that unlike other cable-coating polymers such as polyvinyl chloride (PVC), it provides unique continuous and uniform coating on the CNT fibers. The polymer coated/insulated CNT fibers have a 26.54 μm average diameter—which is approximately four times the diameter of a red blood cell—is produced by a simple dip-coating process. Our results confirm that HNBR in solution creates a few microns uniform insulation and mechanical protection over a CNT fiber that is used as the electrically conducting core.
Reference Key
alvarez2014nanomaterialspolymer Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Noe T. Alvarez;Timothy Ochmann;Nicholas Kienzle;Brad Ruff;Mark R. Haase;Tracy Hopkins;Sarah Pixley;David Mast;Mark J. Schulz;Vesselin Shanov
Journal progress in neuro-psychopharmacology & biological psychiatry
Year 2014
DOI
10.3390/nano4040879
URL
http://www.mdpi.com/2079-4991/4/4/879
Keywords
doping coating

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