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Carbon nanotube dispersion and utilization of same

  • US 9,181,090 B2
  • Filed: 02/08/2008
  • Issued: 11/10/2015
  • Est. Priority Date: 02/08/2008
  • Status: Active Grant
First Claim
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1. A carbon nanotube dispersion comprising carbon nanotubes dispersed in a liquid medium, wherein:

  • the liquid medium includes an alcohol solvent and a polyvinyl butyral resin, 0.5 mg to 200 mg of the carbon nanotubes are dispersed per 100 mL of the alcohol solvent,a weight ratio of the polyvinyl butyral resin to the carbon nanotubes is between 0.5 and 2 andthe polyvinyl butyral resin exhibits a solution viscosity of 5 mPa·

    s to 30 mPa·

    s at 20°

    C. when dissolved at a concentration of 10% by weight in a mixed solvent consisting of ethanol and toluene at a volume ration of 1;

    1.

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