Method for making retroreflective article with dual reflectors

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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156256, 156276, 4271634, 427199, 427204, 427289, 4273855, 4274071, B05D 506, B32B 2100

Patent

active

055713629

ABSTRACT:
A retroreflective article and a method for making same are taught. The retroreflective article comprises transparent microspheres and both specular and diffuse reflective pigments dispersed in a binder layer. The utilization of both types of pigments results in improved retroreflectivity over a greater range of entrance angles than if only one or the other pigment alone were used.

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Stoudt, "Retroreflection from Special Spherical Glass Beads In Highway Pavement Markings, 1: Specular reflection", Applied Optics,vol. 17, No. 12, Jun. 1978, pp. 1855-1858.

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