Fluorescent dye blends

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 5/00 (2006.01) C08J 3/20 (2006.01) C08K 5/3437 (2006.01) C08L 23/02 (2006.01) C08L 33/12 (2006.01) C08L 67/00 (2006.01) C08L 69/00 (2006.01) C09B 67/22 (2006.01) G09F 13/20 (2006.01)

Patent

CA 2231778

A fluorescent yellow article comprising polyolefin copolymer, perylene imide dye N,N'-bis(2,6-di-isopropylphenyl)-3,4:9, 10--perylenebis(dicarboximide), and at least one yellow-green dye selected from the group consisting essentially of Lumogen F Yellow 083, CI Solvent Yellow 98, CI Solvent Yellow 160:1, Oraset Yellow 8GF, CI Solvent Green 4, CI Solvent Green 5, CI Pigment Yellow 101 and CI Solvent Yellow 131 wherein the resultant article has chromaticity coordinates (x, y) within the area defined by (0.425, 0.480), (0.465, 0.535), (0.557, 0.440), and (0.500, 0.410) in terms of the CIE 1931 Standard Colorimetric System and measured using 0/45 geometry and evaluated with CIE Standard Illuminant D65.

L'invention concerne un article jaune fluorescent comprenant un copolymère polyoléfinique, un colorant pérylène imide N,N'-bis(2,6-di-isopropylphényl)-3,4:9,10-pérylènebis(dicarboximide) et au moins un colorant jaune-vert choisi dans le groupe constitué essentiellement de jaune lumogène F 083, jaune à solvant CI 98, jaune à solvant CI 160:1, jaune oraset 8GF, vert à solvant CI 4, vert à solvant CI 5, jaune à pigment CI 101 et jaune à solvant CI 131. L'article obtenu présente des coordonnées de chromaticité (x, y) dans la zone définie par (0,425, 0,480), (0,465, 0,535), (0,557, 0,440), et (0,500, 0,410) conformément au système de valence normalisée de la CIE 1931 et mesurées à l'aide de la géométrie 0/45 et évaluées avec la source luminescente normale D65 de la CIE.

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