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US 2013/0096225 A1Published application
White inkjet ink improved for dispersion stability
AssigneeAgfa Graphics NV
InventorEmiel VERDONCK
Life of this patent
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Abstract
An inkjet printing method includes the steps of a) providing a white inkjet ink and at least one colour inkjet ink to an inkjet printer; and b) jetting the white inkjet ink at a higher temperature than the colour inkjet ink onto an ink-receiver. The difference in jetting temperature between the white inkjet ink and the colour inkjet ink is at least 5° C. Inkjet ink sets and inkjet printers are also disclosed.
Claims14
A color inkjet ink set comprising:
- a white inkjet ink containing a pigment with a refractive index greater than 1.60;
- and
- at least one color inkjet ink;
- wherein
- a viscosity of the white inkjet ink is at least 4 mPa·s greater than a viscosity of the at least one color inkjet ink, the viscosity being measured at 40° C. with a Brookfield DV-II+Pro at 12 rotations per minute.
2 more elements
Dependencies are inferred from the claim text.