Retroreflective applique

Details Retroreflective applique Retroreflective applique

G - Physics

02

B

G02B 5/128 (2006.01)

Patent

CA 2214121

A retroreflective applique (10) includes a supporting structure (12), a layer of optical lens elements (14), and a reflective material (16). The layer of optical lens elements (14) is partially embedded in the supporting structure (12), and the reflective material (16) is disposed on the embedded portion of the layer of optical lens elements (14). The supporting structure (12) may contain a binder layer (24) and a heat-activatable adhesive layer (26). The binder layer (24) includes a non-filamentary acrylic polymer layer. The use of such a supporting structure (12) eliminates the need for a release liner on the rear surface (20) of the heat-activatable adhesive layer (26), and it also enables a carrier web (28) to be separated from the polymeric supporting structure (12) before the applique (16) is permanently secured to a substrate. The separation step can be accomplished without causing substantial harm to the retroreflective performance of the applique (10).

Application réfléchissante (10) comportant une structure support (12) une couche d'éléments optiques lenticulaires (14) et un matériau réfléchissant (16). La couche optique (14) est partiellement encastrée dans la structure support (12), et le matériau réfléchissant (16) est disposé sur la partie encastrée de la couche optique (14). La structure support (12) peut comporter une couche de liaison (24) et une couche d'adhésif thermocollant (26). La couche de liaison (24) comporte une couche d'un polymère acrylique non filamenteux. Ladite structure support (12) élimine la nécessité d'une couche antiadhésive sur la face dorsale (20) de la de la couche thermocollante (26) et permet à une nappe porteuse (28) d'être séparé de la structure support polymère (12) avant que l'application (16) ne soit définitivement fixée à son substrat. La séparation peut se faire sans pratiquement altérer les qualités réflectrices de l'application.

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