Fluorescent articles having multiple film layers

B - Operations – Transporting – 32 – B

Patent

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B32B 27/20 (2006.01)

Patent

CA 2480519

Articles are provided which have fluorescent properties and which are suitable for use in making retroreflective articles such as safety and informational signage. The articles have at least two film layers, each film layer including a colorant dye. The multiple film layer sheeting exhibits excellent resistance to weathering and overall color durability while also providing chromaticity properties dictated by industry standards for a particular coloration. A method of preparing the articles is provided. In a particular application, the articles embody retroreflective properties and are informational for safety signage articles such as pedestrian crossing and school safety fluorescent yellow green signs.

L'invention concerne des articles présentant des propriétés fluorescentes et pouvant être utilisés dans la fabrication d'articles rétroréfléchissants, tels que des articles de signalisation de sécurité et d'information. Ces articles comprennent au moins deux couches de film, chaque couche de film renfermant un colorant. La feuille continue à couches de film multiples présente d'excellentes caractéristiques de résistance au vieillissement climatique et de durabilité des couleurs ainsi que des propriétés de chromaticité régies par les normes industrielles pour une coloration particulière. L'invention concerne également un procédé de préparation de ces articles. Dans une application particulière, lesdits articles présentent des propriétés rétroréfléchissantes et revêtent une fonction informative dans des articles de signalisation de sécurité tels que des panneaux de sécurité jaunes/verts fluorescents destinés aux passages pour piétons et aux écoles.

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