Agfa Nv

Agfa Gevaert Nv

Vincent Courtet

Jens Lenaerts

Yiru Li

Matthieu Retailleau

Koen Steert

Peter Willaert

Fernando Cortes Salazar

Dieter Jancart

Karl Van Den Bossche

Willem Gilbert

Gert Daelemans

Mark Donders

Angela Maliali

A radiation curable white inkjet ink including at least 18.5 wt % of white pigment and 0 to 35 wt % of organic solvent, both weight percentages based on the total weight of the radiation curable white inkjet ink and a polymerizable composition containing 0 to 15.0 wt % of one or more polyfunctional polymerizable compounds, and at least 85.0 wt % of one or more monofunctional polymerizable compounds; and a specific polymerizable composition.

Radiation curable inkjet inks

A manufacturing method for decorating natural leather including the steps of: jetting a decorative image with one or more radiation curable inkjet inks on a leather surface; and curing the radiation curable inkjet inks jetted on the leather surface; wherein the one or more radiation curable inkjet inks include a colorant and a polymerizable composition containing 0.5 to 15.0 wt % of one or more polyfunctional polymerizable compounds and at least 85.0 wt % of one or more monofunctional polymerizable compounds with the weight percentages based on the total weight of the polymerizable composition; wherein the one or more radiation curable inkjet inks include 0 to 35.0 wt % of organic solvent; and at least 85.0 wt % of one or more monofunctional polymerizable compounds; and wherein the glass transition temperature of the one or more radiation curable inkjet inks (I) is less than 25° C.

Decorated leather manufacturing

A manufacturing method for decorating natural leather including the steps of: jetting a decorative image with one or more radiation curable inkjet inks on a leather surface; and curing the radiation curable inkjet inks jetted on the leather surface; wherein the one or more radiation curable inkjet inks include a colorant and a polymerizable composition containing 0 to 15.0 wt % of one or more polyfunctional polymerizable compounds and at least 85.0 wt % of one or more monofunctional polymerizable compounds with the weight percentages based on the total weight of the polymerizable composition; wherein the one or more radiation curable inkjet inks include 0 to 35.0 wt % of organic solvent; and at least 85.0 wt % of one or more monofunctional polymerizable compounds; and wherein the glass transition temperature of the one or more radiation curable inkjet inks (I) is less than 25° C.; and wherein one of the one or more radiation curable inkjet inks includes a white pigment in an amount of at least 17.5 wt % based on the total weight of the radiation curable inkjet ink.

A free radical UV curable inkjet ink set includes a free radical UV curable primer containing: one or more photoinitiators; a mixture of at least two monomers according to Formula (I): wherein n represents an integer 0 or 1, k represents an integer selected from the range of 0 to 3, and R represents hydrogen or phenyl; 0.0 to 4.0 wt % of a polyfunctional monomer; 0.0 to 2.0 wt % of an organosilane coupling agent; and 0.0 to 10.0 wt % of a N-vinyllactam monomer; and one or more free radical UV curable inkjet inks containing: a colour pigment; one or more photoinitiators; and at least 50.0 wt % of one or more monoacrylate monomers; wherein the mixture of at least two monomers according to Formula (I) includes 3.0 to 50.0 wt % of a first monomer having n=1 and R representing phenyl and 35.0 to 90.0 wt % of a second monomer having n=0 and R representing phenyl.

Free radical UV curable inkjet ink sets and inkjet printing methods

A method of preparing a conductive pattern on a substrate includes the steps of applying a receiving layer on a substrate, applying a metallic nanoparticle dispersion on the white receiving layer thereby forming a metallic pattern, and sintering the metallic pattern, characterized in that the receiving layer has a roughness Rz between 1 and 75.

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Mortsel, Belgium

Vincent Courtet