Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1998-01-16
2000-04-25
Le, Hoa T.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
359536, 359538, 359541, 428325, 428327, 4284258, 4284259, B32B 516
Patent
active
06054208&
ABSTRACT:
Aliphatic polyurethane film forming mixtures, image bearing aliphatic polyurethane films, and image bearing retroreflective sheeting having such image bearing films are described. The image-bearing aliphatic polyurethane films of the invention comprise an aliphatic polyurethane film derived from a film-forming mixture comprising (A) an aliphatic polyurethane, and (B) at least one hydroxy-containing imidazoline surfactant represented by the formula ##STR1## wherein R is an aliphatic group containing from about 10 to about 22 carbon atoms and R.sup.1 is an alkylene group containing from 1 to about 3 carbon atoms, said film having printed thereon either a monocolor image and a clear overcoat or a multicolor image with or without a clear overcoat wherein the monocolor image is derived from at least one UV radiation curable ink which is cured prior to application of the clear overcoat, and the multicolor image is derived from at least two UV radiation curable inks applied sequentially with curing after each ink application and before application of any clear overcoat. The retroreflective sheetings described herein and having the image bearing aliphatic urethane cover sheets or films may be enclosed lens or encapsulated lens retroreflective sheetings. The images may be single color images or multicolor images derived from UV radiation curable inks and, the images optionally coated with a UV cured clear overcoat.
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Rega Robert K.
Wise George H.
Avery Dennison Corporation
Le Hoa T.
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