Retroreflective sheet with enhanced brightness

Details Retroreflective sheet with enhanced brightness Retroreflective sheet with enhanced brightness

G - Physics

02

B

88/113, 154/122

G02B 5/128 (2006.01)

Patent

CA 1278991

Abstract Retroreflective construction comprising a monolayer of microspheres with associated dielectric mirrors which are hemispherically surrounded by tangentially-oriented, preferably contour-conforming, reflective pigment nacreous flakes. The dielectric mirrors and reflective nacreous pigment flakes cooperate additively substantially without interfering with each other to provide a high brightness retroreflective sheet. The novel sheets retain much of their reflectivity after several launderings or drycleanings and, in some embodiments, can be made very flexible, making them well-suited for use as reflective fabrics.

541911

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