Launderable retroreflective applique with metal-azo dye

Details Launderable retroreflective applique with metal-azo dye Launderable retroreflective applique with metal-azo dye

1992-09-30

1994-08-16

Watkins, III, William

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428149, 428285, 428325, 428346, 428349, 428343, 428241, 428447, 428521, 428522, 428523, 428442, 428441, 359536, 359538, 359539, 359541, 359540, G02B 5128, B32B 2502

Patent

active

053385950

ABSTRACT:
Retroreflective appliques comprising a monolayer of retroreflective elements partially embedded in and protruding from the front surface of a binder layer and an optional layer of adhesive on the rear surface of the binder layer, wherein the binder layer, the adhesive layer, or both contain a metal-azo dye to camouflage the color of any exposed portions of said binder layer. Appliques comprising micropheres with aluminum reflectors as retroreflective elements and a black metal-azo dye in the binder layer will exhibit a pleasing silver appearance even after portions of the binder layer have been visibly exposed due to degradation of the aluminum reflectors, typically as a result of subjecting the applique to harsh laundering conditions.

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ASTM D2244-79, Standard Method for Instrumental Evaluation of Color Differences of Opaque Materials.

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