Retroreflective article and method

G - Physics – 02 – B

Patent

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Details

G02B 5/128 (2006.01) B32B 27/32 (2006.01) G02B 5/124 (2006.01) G02B 27/00 (2006.01)

Patent

CA 2434907

A retroreflective article comprising a plurality of retroreflective elements and a film comprising a blend of polyolefin and hydrocarbon resin, wherein the polyolefin is semicrystalline and has a suitable degree of crystallinity and molecular weight, or the polyolefin is amorphous and has sufficiently high molecular weight, and sufficient hydrocarbon resin is present in the blend, so that the film is substantially vinyl-like. The articles can be used, for example, in reflective footwear, apparel, safety wear, sweatbands, piping and adornments.

L'invention concerne un article rétroréfléchissant comportant une pluralité d'éléments rétroréfléchissants et un film contenant un mélange de polyoléfine et d'une résine hydrocarbure ; la polyoléfine est semi-cristalline et présente un degré de cristallinité ainsi qu'un poids moléculaire appropriés, ou la polyoléfine est amorphe et présente un poids moléculaire suffisamment élevé, et la résine hydrocarbure est présente en quantité suffisante dans le mélange, de sorte que le film est de type sensiblement vinylique. Ces articles peuvent être utilisés, par exemple, dans des articles chaussants et d'habillement, des vêtements de sécurité, des bandeaux serre-tête, sur des tuyauteries et des parures réfléchissants.

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