Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
 
Efficient Dispersion of “Super-Growth” Single-Walled Carbon Nanotubes Using a Copolymer of Naphathalene Diimide and Poly(dimethylsiloxane)
Liu HongYusaku TakagakiHitoshi YoshikawaNaotoshi Nakashima
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2016 Volume 89 Issue 2 Pages 183-191

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Abstract

The dispersion of carbon nanotubes is a key issue for maximizing their performance in many applications. Here we describe the design and synthesis of an efficient dispersant for the so-called “super-growth” single-walled carbon nanotubes (SG-SWNTs) to provide a stable and homogeneous dispersion in typical organic solvents simply by sonication. The synthesized dispersant is a copolymer composed of a naphthalene diimide and poly(dimethylsiloxane), and the dispersions were characterized using visible absorption, Raman, AFM, and TGA measurements as well as molecular-mechanics simulations. It was found that the copolymer efficiently dissolves the SG-SWNTs in many solvents including methyl ethyl ketone, methyl isobutyl ketone, and toluene that are widely-used solvents in polymer/resin-related industrial areas.

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© 2016 The Chemical Society of Japan
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