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Transparent composite articles

  • US 7,632,563 B2
  • Filed: 12/14/2006
  • Issued: 12/15/2009
  • Est. Priority Date: 12/14/2006
  • Status: Active Grant
First Claim
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1. A transparent composite article having a maximum haze value less than 10% comprising:

  • (a) a polyurethane matrix and incorporated within the matrix(b) nanofibers having a diameter of 50 to 5000 nanometers, the nanofibers being a crosslinked (meth)acrylic polymer containing silane groups that have reacted with moisture.

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