Ink for a polycarbonate substrate
AssigneeExatec LLC
InventorsKeith D. Weiss, Claus-Peter Reisinger, Jason Beaudoin
Life of this patent
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Abstract
The present invention is generally directed towards a polycarbonate surface having an ink printed on the surface. The ink adheres to the polycarbonate and is compatible with a hard coat applied to the polycarbonate substrate. The ink comprises a polycarbonate or a polyester resin or an acrylic resin. The ink composition also comprises a blend of polycarbonate ink or an acrylic ink with a polyester ink such that the ink adheres to the polycarbonate substrate on subjecting the substrate to water immersion and cataplasma tests.
Claims32
A polycarbonate substrate, the substrate comprising:
- a substrate ink printed and cured on a surface of the substrate, the substrate ink comprising:
- about 61 to 90 weight % synthetic resin mixture;
- and
- about 6 to 10 weight % Isocyanate additive, the synthetic resin mixture being about 12 to 18 weight % of a polyester resin and about 49 to 72 weight % of a polycarbonate resin or an acrylic resin;
- and
- a hard coat system applied on the substrate ink and having a hard coat solvent selected from the group consisting of glycol ethers, ketones, alcohols and acetates;
- the substrate ink being adaptable to adhere to the surface of the substrate and pass compatability, water immersion, and Cataplasma tests.
A polycarbonate substrate, the substrate comprising:
- a substrate ink printed on a surface of the substrate, the ink having a composition comprising:
- 1.9% to 13.2% by weight of a polyester resin obtained from a polyester ink;
- 5.4% to 34.2% by weight of a polycarbonate resin or an acrylic resin being obtained from a polycarbonate ink or acrylic ink;
- 0.1% to 5.0% by weight isocyanate additive and the balance being an ink solvent;
- a hard coat system applied on top of the ink after the ink is cured, the hard coats system then having a hard coat solvent selected from the group consisting of glycol ethers, ketones, alcohols and acetates;
- the substrate ink adaptable to adhere to the surface of the substrate and pass compatability, water immersion, and Cataplasma tests.
A polycarbonate substrate, the substrate comprising:
- a substrate ink printed on a surface of the substrate, the substrate ink having a composition comprising:
- between 1.9 and 13.2 weight % of a polyester resin obtained from a polyester ink;
- between 5.4 and 34.2 weight % of a polycarbonate resin or acrylic resin obtained from a polycarbonate ink or acrylic ink, the substrate ink having a ratio of the polycarbonate or acrylic ink to the polyester ink of less than 100:0 and greater than 50:50;
- between 0.1 and 5.0 weight % of an isocyanate;
- and
- balance being a solvent, the solvent being a mixture of dibasic esters, aromatic highdrocarbons, and ketones;
- and
- a hard-coat system applied an the ink such that the ink adheres to the surface and is compatible with the hard-coat system.
Dependencies are inferred from the claim text.