Abstract: The present disclosure is directed to a metallic ink composition for use in digital offset printing, comprising: metallic effect pigment particles, wherein an average equivalent sphere diameter of at least about 90% of the metallic effect pigment particles ranges from greater than 1 micrometer (?m) to 150 ?m; at least one dispersant; at least one curable oligomer; and a photo initiator, wherein the metallic ink composition has a viscosity ranging from 150,000 to 1,000,000 millipascal seconds (mPa·s) at 0.1 rad/s at 25° C. Also provided is a method of digital offset printing using the metallic ink composition of the present disclosure.

Abstract: 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.

Abstract: Aqueous inkjet ink compositions are provided. In an embodiment, such an aqueous inkjet ink composition comprises a solvent system comprising water, a first organic solvent, and a second organic solvent, wherein the second organic solvent is an alkanediol having from 2 to 8 carbon atoms and the second organic solvent is present at an amount of from greater than 0 weight % to about 8 weight %; a white pigment; and resin particles. Methods of making and using the aqueous inkjet ink compositions are also provided.

Abstract: Aqueous inkjet ink compositions are provided. In an embodiment, such a composition comprises water; resin particles; and a colorant; wherein the resin particles comprise a polymerization product of reactants comprising a monomer, an acidic monomer, a multifunctional monomer, and a reactive surfactant, the resin particles having a D(z, ave) of no greater than about 150 nm, a D(v,90) of less than about 200 nm, and a polydispersity index (PDI) of no greater than about 0.050. Methods of forming and using the aqueous inkjet ink compositions are also provided.

Abstract: Aqueous inkjet ink compositions are provided. In embodiments, an aqueous inkjet ink composition comprises water, a colorant, resin particles, and optionally, a wax, wherein the resin particles comprise a polymerization product of reactants comprising one or more types of hydrophobic monomers; and one or more types of acidic monomers comprising one or more types of phosphoric acid monomers.

Abstract: 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.

Abstract: Aqueous inkjet ink compositions are provided. In an embodiment, such an aqueous inkjet ink composition comprises a solvent system comprising water, a first organic solvent, and a second organic solvent, wherein the second organic solvent is an alkanediol having from 2 to 8 carbon atoms and the second organic solvent is present at an amount of from greater than 0 weight % to about 8 weight %; a white pigment; and resin particles. Methods of making and using the aqueous inkjet ink compositions are also provided.

Abstract: An ink composition for use in digital offset printing including at least one component selected from the group consisting of a curable monomer and a curable oligomer; an optional dispersant; an optional photoinitiator; and at least one non-radiation curable additive, wherein the non-radiation curable additive is a detergent or an emulsifying agent, or wherein the non-radiation curable additive functions as a detergent or emulsifying agent when in the presence of a cleaning fluid, and wherein the non-radiation curable additive is a solid at a temperature of from about 20° C. to about 40° C.

Abstract: A white ink composition comprises an ink vehicle comprising at least one compound chosen from acrylate monomers, methacrylate monomers, acrylate oligomers and methacrylate oligomers; at least one polyol adhesive resin that is solid at 25° C.; at least one photoinitiator; and at least one white colorant. A method of printing the ink composition is also disclosed.

Abstract: Aqueous inkjet ink compositions are provided. In an embodiment, such an aqueous inkjet ink composition comprises water; a high viscosity latex; a colorant; and optionally, a wax. The high viscosity latex comprises water and resin particles comprising a polymerization product of a monomer, an acidic monomer, a hydrophilic monomer, a difunctional monomer, and a reactive surfactant. The high viscosity latex is characterized by a viscosity in a range of from 10 cP to 100 cP as measured at a solid content of 30% and at room temperature. The aqueous inkjet ink composition is free of a water-soluble binder. Methods of forming and using the aqueous inkjet ink compositions are also provided.

Abstract: Aqueous inkjet ink compositions are provided. In an embodiment, such a composition comprises water; resin particles; and a colorant; wherein the resin particles comprise a polymerization product of reactants comprising a monomer, an acidic monomer, a multifunctional monomer, and a reactive surfactant, the resin particles having a D(z, ave) of no greater than about 150 nm, a D(v,90) of less than about 200 nm, and a polydispersity index (PDI) of no greater than about 0.050. Methods of forming and using the aqueous inkjet ink compositions are also provided.

Abstract: Aqueous inkjet ink compositions are provided. In an embodiment, such an aqueous inkjet ink composition comprises water; resin particles; a colorant; and optionally, a wax. The resin particles comprise a polymerization product of reactants comprising a monomer, an acidic monomer, a hydrophilic monomer, a difunctional monomer, and a reactive surfactant. The acidic monomer, the hydrophilic monomer, and the difunctional monomer may be present at an amount in a range of from about 10 weight % to about 30 weight % in the resin particles. Methods of forming and using the aqueous inkjet ink compositions are also provided.

Abstract: Aqueous inkjet ink compositions are provided. In an embodiment, such a composition comprises water; a monodisperse latex; and a colorant; wherein the monodisperse latex comprises resin particles comprising a polymerization product of a monomer, an acidic monomer, a multifunctional monomer, and a reactive surfactant, the resin particles having a D(z, ave) of no greater than 150 nm, a D(z, 90) of less than 200 nm, and a polydispersity index (PDI) of no greater than 0.050. Methods of forming and using the aqueous inkjet ink compositions are also provided.

Abstract: A support material for use in additive manufacturing includes greater than about 30 weight percent up to about 70 weight percent of a C12 to C18 fatty alcohol ethoxylate, about 30 weight percent to about 70 weight percent of a C16 to C22 fatty alcohol, and a tackifier, a transition temperature measured as the temperature immediately before phase change, based on viscosity measurement, is less than about 65° C. A system for additive manufacturing includes such a support material and a build material, the ratio of C12 to C18 fatty alcohol ethoxylate to C16 to C22 fatty alcohol is selected for property matching of the support material to the build material. A method of additive manufacturing includes providing such a system and printing via an inkjet printer the support material and the build material to provide a precursor to a three-dimensional printed article.

Abstract: The present disclosure is directed to a metallic ink composition for use in digital offset printing, comprising: metallic effect pigment particles, wherein an average equivalent sphere diameter of at least about 90% of the metallic effect pigment particles ranges from greater than 1 micrometer (?m) to 150 ?m; at least one dispersant; at least one curable oligomer; and a photo initiator, wherein the metallic ink composition has a viscosity ranging from 150,000 to 1,000,000 millipascal seconds (mPa·s) at 0.1 rad/s at 25° C. Also provided is a method of digital offset printing using the metallic ink composition of the present disclosure.

Abstract: An ink composition including a metal nanoparticle; at least one aromatic hydrocarbon solvent, wherein the at least one aromatic hydrocarbon solvent is compatible with the metal nanoparticles; at least one aliphatic hydrocarbon solvent, wherein the at least one aliphatic hydrocarbon solvent is compatible with the metal nanoparticles; wherein the ink composition has a metal content of greater than about 45 percent by weight, based upon the total weight of the ink composition; wherein the ink composition has a viscosity of from about 5 to about 30 centipoise at a temperature of about 20 to about 30° C. A process for preparing the ink composition. A process for printing the ink composition comprising pneumatic aerosol printing.

Abstract: A composition including at least one component selected from the group consisting of a curable monomer and a curable oligomer; at least one photoinitiator that absorbs at an ultraviolet light-emitting diode wavelength; and at least one photoinitiator that does not absorb radiation at the ultraviolet light-emitting diode wavelength. A process of digital offset printing including applying a composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature.

Abstract: An ink composition including at least one component selected from the group consisting of a curable monomer and a curable oligomer; at least one non-radiation curable poly-alpha-olefin; at least one photoinitiator that absorbs at an ultraviolet light-emitting diode wavelength; and an optional colorant. A process of digital offset printing including applying an ink composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature; wherein the ink composition comprises at least one component selected from the group consisting of a curable monomer and a curable oligomer; at least one non-radiation curable poly-alpha-olefin; at least one photoinitiator that absorbs at an ultraviolet light-emitting diode wavelength; and an optional colorant.

Abstract: An ink composition for use in digital offset printing including at least one component selected from the group consisting of a curable monomer and a curable oligomer; an optional dispersant; an optional photoinitiator; and at least one non-radiation curable additive, wherein the non-radiation curable additive is a detergent or an emulsifying agent, or wherein the non-radiation curable additive functions as a detergent or emulsifying agent when in the presence of a cleaning fluid, and wherein the non-radiation curable additive is a solid at a temperature of from about 20° C. to about 40° C.

Abstract: An ink composition for use in digital offset printing including at least one component selected from the group consisting of a curable monomer and a curable oligomer; an optional colorant; an optional dispersant; an optional photoinitiator; and at least one non-radiation curable additive, wherein the non-radiation curable additive is a solid at a temperature of from about 20° C. to about 40° C. A process of digital offset printing including applying the ink composition onto a re-imageable imaging member surface at an ink take up temperature, the re-imageable imaging member having dampening fluid disposed thereon; forming an ink image; transferring the ink image from the re-imageable surface of the imaging member to a printable substrate at an ink transfer temperature.