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Nanotube solution treated with molecular additive, nanotube film having enhanced adhesion property, and methods for forming the nanotube solution and the nanotube film

  • US 9,634,251 B2
  • Filed: 03/09/2012
  • Issued: 04/25/2017
  • Est. Priority Date: 02/27/2012
  • Status: Active Grant
First Claim
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1. A nanotube solution for forming highly adhesive, low defect nanotube fabrics, comprising:

  • a liquid medium;

    a purified dispersion of nanotubes in said liquid medium; and

    a selected concentration of molecular additive in the liquid medium, said molecular additive containing one or more group IV elements;

    a dispersion of molecular silica in said liquid medium;

    wherein said selected concentration of molecular additive is capable of promoting the formation of molecular silica within said nanotube solution while inhibiting the formation of colloidal silica particles;

    wherein said molecular silica is capable of providing an enhanced adhesion property within a nanotube fabric formed from said nanotube solution; and

    wherein said nanotube solution is substantially free of impurities, wherein the impurities consist of polymers and surfactants.

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