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Transparent molded plastic article having a surfactant layer

  • US 6,827,991 B2
  • Filed: 10/16/2002
  • Issued: 12/07/2004
  • Est. Priority Date: 10/17/2001
  • Status: Active Grant
First Claim
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1. A transparent molded plastic article comprising:

  • a transparent molded plastic body; and

    a surfactant layer, which is located on a surface of the transparent molded plastic body, wherein the surfactant layer contains a quaternary ammonium salt having a mean molecular weight of 260 to 385 to eliminate static electricity of the plastic body, wherein the quaternary ammonium salt is one of the following;

    a) dialkyldimethylammonium salt;

    b) monoalkyltrimethylammonium salt;

    c) a mixture of n-alkyldimethylbenzylammonium salt and n-alkyldimethylammonium salt; and

    d) a combination of any of the salts of a, b and c.

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