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CNT-infused carbon fiber materials and process therefor

  • US 9,574,300 B2
  • Filed: 12/23/2014
  • Issued: 02/21/2017
  • Est. Priority Date: 01/03/2007
  • Status: Active Grant
First Claim
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1. A continuous CNT infusion process comprising:

  • functionalizing a carbon fiber material to form a functionalized carbon fiber material;

    disposing a barrier coating on said functionalized carbon fiber material;

    wherein the barrier coating is selected from the group consisting of an alkoxysilane, a methylsiloxane, an alumoxane, alumina nanoparticles, spin on glass and glass nanoparticles;

    disposing a carbon nanotube (CNT)-forming catalyst on said functionalized carbon fiber material; and

    synthesizing carbon nanotubes on said functionalized carbon fiber material, thereby forming a carbon nanotube-infused carbon fiber material;

    wherein the functionalized carbon fiber material is moving while disposing the barrier coating and the CNT-forming catalyst, and while synthesizing the carbon nanotubes.

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