Flexible cube-corner retroreflective sheeting

Details Flexible cube-corner retroreflective sheeting Flexible cube-corner retroreflective sheeting

G - Physics

02

B

G02B 5/124 (2006.01) B29C 39/14 (2006.01)

Patent

CA 2172636

A retroreflective article (10) has a body portion (14) and a multiple of cube- corner elements (12) that project from a rear side (20) of the body portion (14). The body portion (14) includes a body layer (18) that contains a light- transmissible polymeric material having an elastic modulus less than 7 x 108 pascals. The cube-corner elements (12) contain a light transmissible polymeric material having an elastic modulus greater than 16 x 108 pascals. A retroreflective article of this construction can be highly flexed while maintaining good retroreflective performance.

Article rétroréfléchissant (10) comprenant un corps (14) et une multitude de trièdres trirectangles (12) qui partent d'une partie arrière (20) du corps (14). Le corps (14) comporte une couche (18) qui contient une matière polymère transparente dont le module d'élasticité est inférieur à 7 x 10?8¿ pascals. Les trièdres trirectangles (12) contiennent une matière polymère transparente dont le module d'élasticité est supérieur à 16 x 10?8¿ pascals. Un article rétroréfléchissant de ce type peut subir une flexion très importante et conserver tout de même une bonne rétroréflexion.

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