Radiation-curable ink-jet ink vehicle
AssigneeCoates Brothers PLC
InventorsNigel Antony Caiger, Hartley David Selman
Life of this patent
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Abstract
An ink-jet ink is provided including an ink jet vehicle and a colorant. The vehicle includes at least 35% by weight radiation curable material, based on the total vehicle weight. The vehicle may but does not necessarily include a thickener. The vehicle is a paste or a solid at 20° C. and has a viscosity of less than 25 centipoise between 40° C. and 130° C.
Claims37
An ink-jet ink comprising an ink jet vehicle and a colourant, the vehicle comprising at least 35% by weight, based on the total vehicle weight, of a radiation curable material and further comprising a thickener, said vehicle being a thixotropic paste at 20° C., and said vehicle having a viscosity of less than 25 centipoise at least one temperature in the range of from 40° C. to 130° C.
An ink-jet ink comprising a colourant in admixture with a vehicle, the vehicle comprising a first radiation curable material, which first radiation curable material is a radiation curable wax that is a paste or a solid at 20° C., and a second radiation curable material, the vehicle having a viscosity of less than 25 centipoise at least one temperature in the range of from 40° C. to 130° C.
Dependencies are inferred from the claim text.