Permanance light-polarizing article and preparation method thereof

Permanance light-polarizing article and preparation method thereof

  • CN 101,784,924 B
  • Filed: 08/21/2008
  • Issued: 04/20/2016
  • Est. Priority Date: 08/24/2007
  • Status: Active Grant
First Claim
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1. a polarizing article, it comprises:

  • A. comprise the carrier on surface, wherein one or more polarizing dye are adjacent with described carrier surface;

    B. the first adjacent with polarizing dye with described carrier polymeric layer, wherein said first polymkeric substance is by polyisocyanates and be selected from polyvalent alcohol, polyamines, polyester polyol, reaction product between polyether glycol and the compound of polycarbonate polyol form, and described first polymkeric substance comprises at least one free isocyanate groups, and the reaction original position on carrier surface forming described first polymeric layer occurs;

    AndC. adjacent with described first polymeric layer protective seam,Wherein;

    (i) described goods have passed the test of dry adhesion and the test of hot water adhesion;

    (ii) polarization efficiency of described goods is greater than 95%.

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