Abstract:
A colour inkjet ink set comprising a white ink comprising a pigment with a refractive index greater than 1.60 and at least one colour inkjet ink characterized in that the viscosity of the white inkjet ink is at least 4 mPa.s greater than the viscosity of the colour inkjet ink wherein the viscosity is measured at 40°C with a Brookfield DV-II+Pro at 12 rotations per minute. Inkjet printing methods and inkjet printers are also disclosed.
Abstract:
A colour inkjet ink set comprising a white ink comprising a pigment with a refractive index greater than 1.60 and at least one colour inkjet ink characterized in that the viscosity of the white inkjet ink is at least 4 mPa.s greater than the viscosity of the colour inkjet ink wherein the viscosity is measured at 40°C with a Brookfield DV-II+Pro at 12 rotations per minute. Inkjet printing methods and inkjet printers are also disclosed.
Abstract:
A contrast dye for preparing a lithographic printing plate comprising at least one A, D and B group wherein A represents a phosphorous containing group capable of reacting with the surface of a lithographic receiver; D represents a chromophore group absorbing light between 400 and 700 nm; and B represents an aliphatic group of at least 6 carbon atoms. A lithographic printing plate comprising such a contrast dye is also disclosed.
Abstract:
A method for making a lithographic printing plate comprising the steps of a) providing an aqueous fluid containing at least 2 weight% of a fluorosurfactant based on the total weight of the aqueous fluid wherein the fluorosurfactant has a phosphorous containing group capable of reacting with the surface of a lithographic printing plate precursor; and b) jetting the aqueous fluid on the surface of a lithographic printing plate precursor.