Flexible cube-corner retroreflective sheeting

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

1993-10-20

1995-09-12

Ben, Loha

Optical: systems and elements

Signal reflector

3-corner retroreflective

359530, 359900, 428156, 428286, G02B 85122

Patent

active

054502357

ABSTRACT:
A retroreflective article 10 has a body portion 14 and a multitude of cube-comer 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.times.10.sup.8 pascals. The cube-corner elements 12 contain a light transmissible polymeric material having an elastic modulus greater than 16.times.10.sup.8 pascals. A retroreflective article of this construction can be highly flexed while maintaining good retroreflective performance.

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