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: Methods for forming a latex are provided. In an embodiment, such a method comprises adding a monomer emulsion comprising water, a monomer, an acidic monomer, a multifunctional monomer, a first reactive surfactant, and a chain transfer agent, to a reactive surfactant solution comprising water, a second reactive surfactant, and an initiator, at a feed rate over a period of time so that monomers of the monomer emulsion undergo polymerization reactions to form resin particles in a latex, wherein the reactive surfactant solution does not comprise monomers other than the second reactive surfactant, the reactive surfactant solution does not comprise a resin seed, and the monomer emulsion does not comprise the resin seed. The latexes are also provided.

Abstract: Methods for forming a monodisperse latex are provided. In an embodiment, such a method comprises adding a monomer emulsion comprising water, a monomer, an acidic monomer, a multifunctional monomer, a first reactive surfactant, and a chain transfer agent, to a reactive surfactant solution comprising water, a second reactive surfactant, and an initiator, at a feed rate over a period of time so that monomers of the monomer emulsion undergo polymerization reactions to form resin particles in a monodisperse latex, wherein the reactive surfactant solution does not comprise monomers other than the second reactive surfactant, the reactive surfactant solution does not comprise a resin seed, and the monomer emulsion does not comprise the resin seed. The monodisperse latexes 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 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: UV-curable interlayer compositions are provided. In embodiments, the interlayer composition comprises at least one aliphatic di(meth)acrylate monomer diluent having a dynamic viscosity at 25° C. of less than about 100 cps; at least one (meth)acrylate oligomer selected from epoxy (meth)acrylates, polyester (meth)acrylates, polyether (meth)acrylates, urethane (meth)acrylates and combinations thereof, the at least one (meth) acrylate oligomer having a glass transition temperature in the range of from about minus 10° C. to about 100° C. and a dynamic viscosity at 25° C. of less than about 3000 cps; and at least two photoinitiators. Multilayer structures formed using the compositions and related methods are also provided.

Abstract: An aqueous sacrificial coating composition for an image transfer member in an aqueous ink imaging system is provided. The sacrificial coating composition may include at least one polymer, at least one selected from (i) at least one chain extender, or (ii) a reactive elastomeric latex, wherein the at least one chain extender comprises a species capable of linking linear chains or chain segments of the reactive elastomeric latex, at least one hygroscopic plasticizer, and at least one surfactant.

Abstract: The present disclosure relates to a print process in which ink is transferred as a thin layer to a thin polymeric substrate and then the non-image areas of the polymeric substrate are laser-cured. After the curing of the non-imaged area the remaining ink (non-cured ink) undergoes complete transfer to a print-media-of-interest forming the digital print.

Abstract: An aqueous sacrificial coating composition for an image transfer member in an aqueous ink imaging system is provided. The sacrificial coating composition may include at least one polymer, at least one selected from (i) at least one chain extender, or (ii) a reactive elastomeric latex, wherein the at least one chain extender comprises a species capable of linking linear chains or chain segments of the reactive elastomeric latex, at least one hygroscopic plasticizer, and at least one surfactant.

Abstract: An embodiment of the present disclosure is directed to a sacrificial coating composition for an image transfer member in an aqueous ink imaging system. The coating composition is made from ingredients including: a latex having polymer particles dispersed in a continuous liquid phase; at least one hygroscopic material; at least one oil-in-water emulsion; and at least one surfactant.

Abstract: A curable ink including at least one monomer, oligomer, or prepolymer; an optional photoinitiator; an optional colorant; and amide gellant having a molecular weight of from about 800 to about 2,500 g/mole; wherein the ink has an onset of gelation defined by the glass transition of the low molecular weight amide gellant according to the relationship Onset of Gelation (K)=(Constant) Tg of gellant (K); wherein the Constant is less than 1.5. A process for printing a three-dimensional article including providing a curable ink; depositing the curable ink in one or more layers; and curing the deposited ink to form the three-dimensional object.

Abstract: An aqueous sacrificial coating composition for an image transfer member in an aqueous ink imaging system is provided. The sacrificial coating composition may include at least one polymer, at least one selected from (i) at least one chain extender, or (ii) a reactive elastomeric latex, wherein the at least one chain extender comprises a species capable of linking linear chains or chain segments of the reactive elastomeric latex, at least one hygroscopic plasticizer, and at least one surfactant.

Abstract: UV-curable interlayer compositions are provided. In embodiments, the interlayer composition comprises at least one aliphatic di(meth)acrylate monomer diluent having a dynamic viscosity at 25° C. of less than about 100 cps; at least one (meth)acrylate oligomer selected from epoxy (meth)acrylates, polyester (meth)acrylates, polyether (meth)acrylates, urethane (meth)acrylates and combinations thereof, the at least one(meth) acrylate oligomer having a glass transition temperature in the range of from about minus 10° C. to about 100° C. and a dynamic viscosity at 25° C. of less than about 3000 cps; and at least two photoinitiators. Multilayer structures formed using the compositions and related methods are also provided.

Abstract: A process including providing a curable gellant ink composition having a phase transition temperature; heating the ink composition to a temperature above the phase transition temperature; depositing the ink composition onto a substrate; wherein upon contact with the substrate the ink composition freezes to provide a gel ink layer; treating at least a portion of the gel ink layer whereby treated gellant ink reacts to form a three-dimensional object and wherein untreated gellant ink does not react and remains in gellant form; optionally, wherein the unreacted gellant ink provides a support structure for overhang portions of the three-dimensional object.

Abstract: UV-curable interlayer compositions are provided. In embodiments, the interlayer composition comprises at least one aliphatic di(meth)acrylate monomer diluent having a dynamic viscosity at 25° C. of less than about 100 cps; at least one (meth)acrylate oligomer selected from epoxy (meth)acrylates, polyester (meth)acrylates, polyether (meth)acrylates, urethane (meth)acrylates and combinations thereof, the at least one(meth) acrylate oligomer having a glass transition temperature in the range of from about minus 10° C. to about 100° C. and a dynamic viscosity at 25° C. of less than about 3000 cps; and at least two photoinitiators. Multilayer structures formed using the compositions and related methods are also provided.

Abstract: A white ink composition is disclosed. The 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 polyester resin that exhibits a crystalline structure at temperatures at or below a recrystallization temperature and that has a melting temperature below 120° C.; at least one photoinitiator; a filler comprising at least one component chosen from clay fillers and silica fillers; and at least one white colorant.

Abstract: An ink composition including a metal nanoparticle; a viscous heat decomposable liquid, wherein the viscous heat decomposable liquid imparts a desired viscosity to the ink composition and which evaporates at a sintering temperature of the metal nanoparticle; an optional solvent; wherein the ink composition has a metal content of less than about 25 percent by weight, based upon the total weight of the ink composition; and wherein the ink composition has a viscosity of from about 50 to about 200 centipoise at a temperature of about 20 to about 30° C. A process for preparing the ink composition and for printing the ink composition. A flexographic printing process or gravure printing process including the ink composition.

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 and about 30 weight percent to about 70 weight percent of a C16 to C22 fatty alcohol, 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: An ink composition for use in digital offset printing including a white colorant, a translucent colorant, or a combination thereof; wherein the white colorant, translucent colorant, or combination thereof is present in an amount of at least 50 percent by weight based on the total weight of the ink composition; at least one component selected from the group consisting of a curable monomer and a curable oligomer; at least one phase change agent; an optional dispersant; an optional photoinitiator. 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.

Abstract: An ink for use in 3D printing including at least one monomer, and an optional oligomer, and a photoinitiator, and the ink has a high glass transition temperature (Tg) and wide range of viscosity. The 3D ink composition, and embodiments, maintains a homogeneous and easily processed consistency when used in a multi-jet modeling printing process.