The present invention relates to the field of UV-LED radically curable inks for offset printing of security documents. In particular, the invention relates to UV-LED radically curable offset printing inks for offset printing on a substrate or security document, said UV-LED radically curable inks having a viscosity in the range of about 2.5 to about 25 Pa s at 40° C. and 1000 s.sup.−1 and comprising radically curable (meth)acrylate compounds, one or more photoinitiators of formula (I), one or more amino containing compounds selected from the group consisting of aminobenzoate compounds, amine modified polyether based acrylates and combinations thereof, and one or more fillers and/or extenders.

The present invention relates to the field of UV-LED radically curable inks for offset printing of security documents. In particular, the invention relates to UV-LED radically curable offset printing inks for offset printing on a substrate or security document, said UV-LED radically curable inks having a viscosity in the range of about 2.5 to about 25 Pa s at 40° C. and 1000 s.sup.−1 and comprising radically curable (meth)acrylate compounds, one or more photoinitiators of formula (I), one or more amino containing compounds selected from the group consisting of aminobenzoate compounds, amine modified polyether based acrylates and combinations thereof, and one or more fillers and/or extenders.

An ink composition according to an embodiment of the present invention, comprising: a volatile solvent; and dispersed in the volatile solvent, a plurality of semiconductor nanoparticles each coordinated to a plurality of organic ligands, wherein a ratio by mass of the semiconductor nanoparticles to the volatile solvent is greater than 1:1. A product according to an embodiment of the present invention comprising: a solid substrate; and arranged on the solid substrate, a dried residue of an ink composition, the dried residue comprising a plurality of semiconductor nanoparticles arranged without an intervening polymer matrix, wherein the a plurality of semiconductor nanoparticles each coordinated to a plurality of organic ligands.

An ink composition according to an embodiment of the present invention, comprising: a volatile solvent; and dispersed in the volatile solvent, a plurality of semiconductor nanoparticles each coordinated to a plurality of organic ligands, wherein a ratio by mass of the semiconductor nanoparticles to the volatile solvent is greater than 1:1. A product according to an embodiment of the present invention comprising: a solid substrate; and arranged on the solid substrate, a dried residue of an ink composition, the dried residue comprising a plurality of semiconductor nanoparticles arranged without an intervening polymer matrix, wherein the a plurality of semiconductor nanoparticles each coordinated to a plurality of organic ligands.

Laminated glass having two glass sheets are laminated by an adhesive interlayer film with specific inks having a pH≥7 applied to at least one side of the interlayer.

Laminated glass having two glass sheets are laminated by an adhesive interlayer film with specific inks having a pH≥7 applied to at least one side of the interlayer.

The infrared-absorbing UV ink according to the present invention contains a tungsten-based infrared-absorbing pigment, a solvent, an acrylic resin that is soluble to the solvent, a UV-curable acrylic monomer, and a photocuring agent.

The infrared-absorbing UV ink according to the present invention contains a tungsten-based infrared-absorbing pigment, a solvent, an acrylic resin that is soluble to the solvent, a UV-curable acrylic monomer, and a photocuring agent.

Ink compositions are provided which may comprise water; resin particles; a colorant; and optionally, a wax, wherein the resin particles comprise a polymerization product of reactants comprising a dioxane/dioxalane monomer and an additional monomer, wherein the dioxane/dioxalane monomer is an ester of (meth)acrylic acid with an alcohol comprising a dioxane moiety, an ester of (meth)acrylic acid with an alcohol comprising a dioxalane moiety, or both.

Ink compositions are provided which may comprise water; resin particles; a colorant; and optionally, a wax, wherein the resin particles comprise a polymerization product of reactants comprising a dioxane/dioxalane monomer and an additional monomer, wherein the dioxane/dioxalane monomer is an ester of (meth)acrylic acid with an alcohol comprising a dioxane moiety, an ester of (meth)acrylic acid with an alcohol comprising a dioxalane moiety, or both.