Fluorescent red article and retroreflective article made...

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 5/3437 (2006.01) B32B 27/20 (2006.01) C08K 5/00 (2006.01) C09B 5/62 (2006.01) G02B 5/12 (2006.01) G02B 5/22 (2006.01) G02B 5/26 (2006.01)

Patent

CA 2420157

A fluorescent red article comprising a polymer matrix; and a perylene dicarboximide dye, wherein the article has chromaticity coordinates (x, y) within the area defined by (0.648, 0.351), (0.735, 0.265), (0.629, 0.281) and (0.565, 0.346) in terms of the CIE 1931 Standard Colorimetric System and measured using 0/45 geometry and evaluated with CIE Standard Illuminant D65 and a fluorescence luminance factor of at least about 8, and laminates, retroreflective materials, and methods of making thereof.

La présente invention concerne un article rouge fluorescent qui comprend une matrice polymère, et un colorant dicarboxymide pérylène. Cet article possède des coordonnées trichromatiques (x, y) dans la zone définie par (0.648, 0.351), (0.735, 0.265), (0.629, 0.281) et (0.565, 0.346) dans les termes du système colorimétrique des normes de la CIE de 1931, mesurées par géométrie 0/45 et évaluées avec un source lumineuse D65 de la norme CIE et un facteur d'illumination fluorescente d'au moins 8 environ. Cette invention concerne aussi des laminés, des matériaux rétroréfléchissants et des procédés de fabrication de ces articles.

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