Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1996-04-09
1998-04-07
Cain, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
523172, 523219, 106 3104, C08K 300
Patent
active
057366020
ABSTRACT:
The present invention relates to a novel retroreflective coating composition which can be suitably applied to a metal substrate using a conventional coral coating process and apparatus. The retroreflective coating composition provides a retroreflective film upon application by coral coating without additional processing steps. The retroreflective coating composition is comprised of (a) 45 to 60% of a resin binder system and (b) 55 to 40% of reflective transparent glass microspheres having a refractive index of 2.1 to 2.5 and a diameter of 20 to 60 microns. The resin binder system is comprised of a thermosetting ethyl acrylate-styrene copolymer, cross-linking resin, aromatic volatile solvent, anti-gelling stabilizer, colloidal suspending agent, dibasic ester acetate, and cross-linking accelerator, and have a refractive index of 1.5 to 1.9. Hence, the novel retroreflective coating composition can provide a retroreflective article with less manufacturing steps and at a lower cost.
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Beam Rickey L.
Crocker George L.
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