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Dew resistant coatings

  • US 9,428,654 B2
  • Filed: 01/30/2009
  • Issued: 08/30/2016
  • Est. Priority Date: 04/15/2004
  • Status: Active Grant
First Claim
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1. A dew-resistant coating for a retroreflective substrate, said coating comprising:

  • at least about 75% by weight of elongate silica particles having an aspect ratio greater than 1;

    a surfactant;

    an organic binder wherein the organic binder comprises at least one hydrolysis product or at least one partial condensate of one or more silane compounds; and

    spherical silica particles having an average diameter of less than 50 nanometers;

    wherein the one or more silane compounds comprises cyclohexyltrimethoxysilane.

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