Lens for glasses and process for producing the same

Lens for glasses and process for producing the same

  • CN 1,910,503 A
  • Filed: 01/19/2005
  • Published: 02/07/2007
  • Est. Priority Date: 01/20/2004
  • Status: Active Application
First Claim
Patent Images

1. eyeglass, it is formed by poly carbonate resin composition, and this poly carbonate resin composition comprises:

  • (1) polycarbonate resin (A) 100 weight portions;

    (2) be selected from least a ultraviolet light absorber (B) 0.05~

    0.5 weight portion of 2-(2 '"'"'-hydroxyl-5 '"'"'-aminomethyl phenyl) benzotriazole (B-1) and 2-(2 '"'"'-hydroxyl-5 '"'"'-uncle'"'"'s octyl phenyl) benzotriazole (B-2);

    (3) be selected from 2-(the 3-tert-butyl group-5-methyl-2-hydroxy phenyl)-5-chlorobenzotriazole (C-1), 2, [4-(1 for 2 '"'"'-di-2-ethylhexylphosphine oxide, 1,3, the 3-tetramethyl butyl)-6-(2H-benzotriazole)-2-base phenol] (C-2) and 2-[2-hydroxyl-3, two (α

    , the α

    -Er Jiajibianji) phenyl of 5-]-at least a ultraviolet light absorber (C) 0.01~

    0.3 weight portion of 2H-benzotriazole (C3);

    With(4) lactone compound (D) 0.0005~

    0.1 weight portion shown in the following formula (1),

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