Nano structured uv absorbers

Nano structured uv absorbers

  • CN 101,990,555 A
  • Filed: 12/12/2008
  • Published: 03/23/2011
  • Est. Priority Date: 12/21/2007
  • Status: Active Application
First Claim
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1. composition that comprises thermoplastic organic polymer and following component:

  • (a1) be selected from the nano particle metal oxide of the oxide compound of periodictable the 4th and 12 families, wherein said doped metallic oxide is selected from periodictable the 13rd, 14 and 17 families, be preferably selected from In, Ga and/or Al doped element and(b1) comprise organic UV light stabilizing of bulky amine and/or comprise the UV absorbing material of polymerization hydroxyphenyltriazinuv,Or(a2) be selected from the 4th and 12 families oxide compound the nano particle metal oxide and(b2) comprise organic UV photoabsorption material of the bulky amine of N-oxygen-replacement;

    It is characterized in that (a1) or amount (a2) are 0.1-3 weight % based on total polymer weight, preferred 0.3-2 weight %.

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