Exposed lens retroreflective article having a polymeric...

G - Physics – 02 – B

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G02B 5/128 (2006.01) A41D 27/08 (2006.01) F21V 33/00 (2006.01)

Patent

CA 2234605

An exposed lens retroreflective article (10) has in sequence a layer of microspheres (12), a polymeric intermediate layer (18), a metal reflective layer (16), and a polymeric binder layer (14). Microspheres (12) are partially embedded in the binder layer (14), and the intermediate layer (18) and the metal reflective layer (16) are disposed between the microspheres (12) and the binder layer (14) such that the intermediate layer (18) is in contact with microspheres (12). Retroreflective articles of this construction provide improved laundering durability.

Un article réfléchissant à lentille apparente (10) comporte successivement une couche de microsphères (12), une couche intermédiaire polymère (18), une couche réfléchissante métallique (16) et une couche de liaison polymère (14). Les microsphères (12) sont partiellement enchâssées dans la couche de liaison (14), et la couche intermédiaire (18) et la couche réfléchissante métallique (16) sont disposées entre les microsphères (12) et la couche de liaison (14), de façon que la couche intermédiaire (18) soit en contact avec les microsphères (12). Les articles réfléchissants ainsi conçus présentent une meilleure durabilité au lavage.

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