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US 11,001,040 B2Granted
Pigmented PVC based graphics films
AssigneeAvery Dennison Corporation
InventorsMark Alessandro, Emre Unsal
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Abstract
Multilayer graphics products are described. The graphics products include a polyvinyl chloride film layer, an adhesive layer on one face of the film layer, and a polyurethane layer on another oppositely directed face of the film layer. Also described are methods of producing the multilayer graphics products.
Claims12
A graphics product comprising:
- a film layer, the film defining a first face and a second face oppositely directed from the first face;
- a layer of adhesive disposed on the first face of the film layer;
- a layer of flexible transparent polyurethane disposed on and immediately adjacent to the second face of the film layer;
- a barrier layer disposed between the film layer and the layer of adhesive;
- wherein the flexible transparent polyurethane serves as substrate and the film layer is casted on the flexible transparent polyurethane;
- wherein the polyurethane is an aliphatic polycaprolactone thermoplastic polyurethane;
- wherein the film layer comprises (i) pigment or pigment dispersion, (ii) copolymer or copolymer dispersion, and (iii) polyvinyl chloride (PVC) or a PVC dispersion;
- wherein each of the film layer, the layer of adhesive, the layer of flexible transparent polyurethane, and the barrier layer has thickness from 0.5 mils to 1.5 mils;
- wherein the graphics product exhibits a peak tensile load of at least 11.0 lbf/inch;
- wherein the graphics product exhibits an elongation greater than 170%;
- wherein the graphics product exhibits a modulus within a range of from 52,000 psi to 63,000 psi;
- and
- wherein the graphics product is free of adhesive between the layer of flexible transparent polyurethane and the second face of the film layer.
10 more elements
Dependencies are inferred from the claim text.