Retroreflective article and method of making same

Details Retroreflective article and method of making same Retroreflective article and method of making same

1998-08-25

2000-11-28

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

264 83, 264160, 26417316, 4271634, B29D 1100

Patent

active

061531286

ABSTRACT:
A retroreflective article has first and second segments each comprising a binder layer and a multitude of microspheres partially embedded in the front surface of the binder layer. The first segment also has an opaque reflective metal layer disposed on the embedded portions of the microspheres; whereas, the second segment lacks such an opaque reflective metal layer and thereby allows the color of the underlying binder layer to be seen from the front side of the retroreflective article. The first and second segments display noticeably different colors under daytime lighting conditions, and each possesses a distinctly different retroreflective efficiency when viewed under retroreflective lighting conditions. The first and second segments therefore stand out in contrast to each other to enhance the conspicuity of the retroreflective article.

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