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Barrier layer made of a curable resin containing polymeric polyol

  • US 7,255,926 B2
  • Filed: 01/31/2003
  • Issued: 08/14/2007
  • Est. Priority Date: 02/01/2002
  • Status: Expired due to Fees
First Claim
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1. A component comprising a substrate, a layered structure arranged on the substrate, and a barrier layer arranged over the layered structure for protection against moisture, wherein the layered structure includes an optically active film and wherein the barrier layer comprises the reaction product of polymeric polyol in the form of polyvinyl butyral, and a curable epoxy resin, wherein the amount of polymeric polyol is in the range of from 1% to 30% by weight of the curable epoxy resin.

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