| 摘要 |
A dispersant for carbon nanotubes is provided to improve a disperse effect by controlling structural properties of the dispersant, and to produce easily a carbon nanotube composition suitable for an emitter of a field emission display, carbon nanotube ink, and printable carbon nanotubes. A dispersant for carbon nanotubes comprises a head part of an aromatic ring and a tail part, wherein the tail part is regioregularly arranged. A ratio of the head part to the tail part is 1 or greater. A carbon nanotube composition includes 0.001-10wt% of the dispersant, 0.01-5wt% of carbon nanotubes, and the balance of a dispersing medium selected from an organic solvent, water, or a mixture thereof, based on 100wt% of the composition. Further, the tail part is C3-C20 of polyethyleneoxide or C4-C20 of polypropyleneoxide.
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