Weather-stable titanium dioxide pigment and method for the production thereof

Weather-stable titanium dioxide pigment and method for the production thereof

  • CN 1,969,019 B
  • Filed: 06/23/2005
  • Issued: 09/19/2012
  • Est. Priority Date: 07/31/2004
  • Status: Active Grant
First Claim
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1. TiO 2 pigment;

  • Its particle has the tight silicon-dioxide overcover of doping metals atom;

    It is characterized in that;

    The said overcover of silicon-dioxide closely is designed to multilayer, and the said overcover of silicon-dioxide closely is doped with tin, zirconium or titanium or their mixture, and innermost layer does not conform to the atoms metal that obvious amount is arranged.

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