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Ultraviolet radiation absorbing polymers

  • US 9,469,725 B2
  • Filed: 03/13/2013
  • Issued: 10/18/2016
  • Est. Priority Date: 06/28/2012
  • Status: Active Grant
First Claim
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1. An ultraviolet radiation absorbing polymer composition comprising the reaction product of a monoglyceride and a poly-acid monomer containing a UV-chromophore selected from the group consisting of triazoles;

  • dibenzoylmethanes;

    4-aminobenzoic acid and alkane esters thereof;

    anthranilic acid and alkane esters thereof;

    salicylic acid and alkane esters thereof;

    hydroxycinnamic acid and alkane esters thereof;

    dihydroxy, dicarboxy, or hydroxycarboxybenzophenones and alkane ester or acid halide derivatives thereof;

    dihydroxy, dicarboxy, or hydroxycarboxychalcones and alkane ester or acid halide derivatives thereof;

    dihydroxy, dicarboxy, or hydroxycarboxycoumarins and alkane ester or acid halide derivatives thereof;

    benzimidazole derivatives;

    benzoxazole derivatives;

    3-(3-(2H-benzo[d][1,2,3]triazol-2-yl)-5-(tert-butyl)-4-hydroxyphenyl);

    6-octyl-2-(4-(4,6-di([1,1′

    -biphenyl]-4-yl)-1,3,5-triazin-2-yl)-3-hydroxyphenoxy)propanoate and trioctyl 2,2′

    ,2″

    -(((1,3,5-triazine-2,4,6-triyl)tris(3-hydroxybenzene-4,1-diyl))tris(oxy))tripropanoate.

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