High-transparency polycarbonates with scratch-resistant coating, process for production thereof and use thereof

High-transparency polycarbonates with scratch-resistant coating, process for production thereof and use thereof

  • CN 102,216,401 A
  • Filed: 09/10/2009
  • Published: 10/12/2011
  • Est. Priority Date: 11/15/2008
  • Status: Active Application
First Claim
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1. coating polycarbonate substrate, especially apply the method for transparent polycarbonate substrate, wherein will comprise (A) at least a radiation-hardenable base-material, (B) nanoparticle and (C) on the Clear coating agent paint polycarbonate substrate of optional solvent and/or optional reactive diluent, it is characterized in that(i) described coating-forming agent contains silica nanoparticles (B),(ii) described nanoparticle have between 80 and 300nm between d 50The value and (iii) described nanoparticle (B) has such size-grade distribution,The particulate that is less than 15 weight % has less than the granularity in the 80nm scope,The particulate of 75 to 95 weight % has the granularity in 80 to 300nm scopes,The particulate of 0 to 5 weight % has greater than 300 to 1, the granularity in the 000nm scope andThe particulate of 0 to 5 weight % has greater than 1,000nm to 10, the granularity in the 000nm scope.

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