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Adhesives and sealants nanotechnology

  • US 8,932,632 B2
  • Filed: 10/21/2004
  • Issued: 01/13/2015
  • Est. Priority Date: 10/21/2003
  • Status: Active Grant
First Claim
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1. An adhesive formulation comprising:

  • an epoxy resin formulated to hold together two or more solid materials by surface attachment; and

    nanoparticles having a mean domain size less than 100 nanometers, wherein the nanoparticles are selected from the group consisting of silicon dioxide nanoparticles, zirconium dioxide nanoparticles, titanium dioxide nanoparticles, rare earth oxide nanoparticles, calcium silicon oxide nanoparticles, zirconium silicon oxide nanoparticles, barium zirconium oxide nanoparticles, yttrium oxide nanoparticles, yttrium zirconium oxide nanoparticles, cerium oxide nanoparticles, a mixture of silicon dioxide nanoparticles and aluminum oxide nanoparticles, and combinations of any thereof;

    wherein the nanoparticles impart negligible modification of visual appearance of the adhesive formulation.

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