Silicon dioxide coating for improving hydrophilicity/transmittivity

Silicon dioxide coating for improving hydrophilicity/transmittivity

  • CN 101,579,672 A
  • Filed: 05/16/2008
  • Published: 11/18/2009
  • Est. Priority Date: 05/16/2008
  • Status: Active Application
First Claim
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1. one kind for matrix provides the method for coating, and this method comprises makes matrix contact with coating composition, and dry so that the Nano particles of silicon dioxide coating to be provided, and described coating composition comprises:

  • A) average grain diameter is the aqueous dispersion of 40 nanometers or littler Nano particles of silicon dioxide, its pH less than 5 andB) acid of pKa<

    3.5.

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