Retroreflective articles comprising olefinic seal films

Details Retroreflective articles comprising olefinic seal films Retroreflective articles comprising olefinic seal films

2006-04-18

2009-11-03

Allen, Stephone B (Department: 2872)

Optical: systems and elements

Signal reflector

3-corner retroreflective

Reexamination Certificate

active

07611251

ABSTRACT:
Microstructured articles, such as a retroreflective articles, having a plurality of (e.g. cube-corner) microstructured elements and a seal film layer adhered to portions of the cube-corner elements and/or portions of a (e.g. flexible) body layer. The seal film is a thermoplastic polymeric material comprising reaction products of alkylene in an amount of at least about 50% and reaction products of at least one non-acidic polar monomer.

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