Microstructured articles comprising nitrogen containing...

Details Microstructured articles comprising nitrogen containing... Microstructured articles comprising nitrogen containing...

2011-01-04

2011-01-04

Allen, Stephone B (Department: 2872)

Optical: systems and elements

Signal reflector

3-corner retroreflective

Reexamination Certificate

active

07862187

ABSTRACT:
Microstructured articles, such as a retroreflective articles, having a plurality of (e.g. cube-corner) microstructured elements projecting from a major surface are described. The microstructured (e.g.) cube-corner elements or interface with an adjacent layer comprises certain nitrogen-containing ingredients. The inclusion of such nitrogen-containing ingredients can improve the adhesion of the (e.g. cube-corner) elements to adjacent (e.g. olefinic) layers such as a body layer, seal film layer, or combination thereof. The flexible retroreflective articles have a light transmissive polymeric body layer having an elastic modulus of less than 7×108pascals.

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Aminoplast Glues Manufacturers Association, Chemistry Sectors: Paints, Coatings & Adhesives, 2 pages printed from website www.cefic.be on Jan. 30, 2006.
U.S. Appl. No. 11/379,130, filed Apr. 18, 2006.

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