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Low distortion interlayer

  • US 20060188695A1
  • Filed: 02/22/2005
  • Published: 08/24/2006
  • Est. Priority Date: 02/22/2005
  • Status: Active Grant
First Claim
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1. A polymer sheet, comprising:

  • poly(vinyl butyral); and

    , a plasticizer, wherein said polymer sheet has a surface with a waviness index of less than 20,000 square micrometers, an Rz value of at least 20 micrometers, and a permanence of between 10 and 95.

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