Ink jet ink composition and method for printing
AssigneeVideojet Technologies Inc.
InventorsSumana Sharmin, Ayesha Syed
Life of this patent
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Abstract
Disclosed is an ink jet ink composition suitable for printing on substrates such as glass and metal. The ink jet ink composition comprises two or more organic solvents at least one of which is an alcohol, three or more binder resins comprising nitrocellulose, a thermoplastic polyurethane, and a polyvinylbutyral resin, two or more adhesion promoters, and a soluble colorant. Also disclosed is a method of printing images on such glass and metal substrates. The ink jet ink composition provides improved print quality and reduced need for cleaning the nozzle.
Claims23
An ink jet ink composition comprising two or more organic solvents at least one of which is an alcohol, three or more binder resins comprising nitrocellulose, a thermoplastic polyurethane, and polyvinylbutyral, two or more adhesion promoters, and a soluble colorant, wherein the polyvinylbutyral is present in an amount from about 0.1% by weight to about 1% by weight of the ink jet ink composition.
Dependencies are inferred from the claim text.