US2006078705A1PendingUtilityA1

Carbon nanotube fiber-reinforced composite structures for EM and lightning strike protection

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Individually held — no corporate assignee on recordPriority: Mar 26, 2001Filed: Jun 7, 2005Published: Apr 13, 2006
Est. expiryMar 26, 2021(expired)· nominal 20-yr term from priority
Inventors:Paul GlatkowskiDavid LandisJoseph W. PicheJeffrey L. Conroy
C04B 2235/424B32B 5/16C04B 2235/3284B82Y 30/00C04B 35/52C04B 2235/3293H05K 9/009Y10T428/20A61K 9/0092Y10S977/902B29C 73/10H01B 1/24C04B 2235/3286B29L 2031/3076C04B 2235/5288
43
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Claims

Abstract

A method for repairing fiber-reinforced composite structures while maintaining original EM and lightning protection using carbon nanotubes, fibers, and thermoset resins is disclosed. According to one embodiment of the invention, the method comprises preparing a damaged area for repair; preparing a repair patch for the damaged area, the repair patch comprising nanotubes; applying the repair patch to the damaged area; and curing the repair patch. A repair patch for a composite structure having a conductive layer is disclosed. According to one embodiment of the present invention, the repair patch includes a binder and nanotubes. A repair resin for repairing a composite structure having a conductive layer is disclosed. According to one embodiment of the present invention, the repair layer includes a resin and nanotubes. A putty for repairing a composite structure having a conductive layer is disclosed. According to one embodiment of the present invention, the putty includes a base and electrically conductive carbon nanotubes.

Claims

exact text as granted — not AI-modified
1 - 21 . (canceled)  
     
     
         22 . A repair patch for a composite structure having a conductive layer, comprising a binder and electrically conductive carbon nanotubes.  
     
     
         23 . The repair patch of  claim 22  which contains greater than 50% carbon nanaotubes.  
     
     
         24 . The repair patch of  claim 22  which contains greater than 90% carbon.  
     
     
         25 . A resin for repairing a composite structure comprising electrically conductive carbon nanotubes.  
     
     
         26 . The resin of  claim 25  which contains greater than 50% carbon nanotubes.  
     
     
         27 . The resin of  claim 25  which contains greater than 90% carbon.  
     
     
         28 . A putty for repairing a composite structure comprising a base and electrically conductive carbon nanotubes.  
     
     
         29 . The putty of  claim 28  which contains greater than 50% carbon nanotubes.  
     
     
         30 . The putty of  claim 28  which contains greater than 90% carbon.  
     
     
         31 . A layer for application to a damaged area of a composite structure that restores electrically conductivity across said damaged area comprising electrically conductive carbon nanotubes.  
     
     
         32 . The layer of  claim 31  which comprises greater than 50% carbon nanotubes.  
     
     
         33 . The layer of  claim 31  which comprises greater than 90% carbon.  
     
     
         34 . The layer of  claim 31  further comprising an agent that allows for molding of said layer into a damaged area.  
     
     
         35 . The layer of  claim 34  wherein the agent is a plasticizer.

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