Abstract: A solid or phase change inkjet ink incorporating a polar acidic wax is described. The use of polar waxes as an ink additive improves the polarity of the ink and adhesion of the ink to paper. A method for applying the solid or phase change ink incorporating an acidic polar wax additive to form an image is also described.

Abstract: A phase change ink composition comprising an amorphous component, and a crystalline material, which are suitable for ink jet printing, including printing on coated paper substrates. In particular, the functional group(s) present in the amorphous component differ from the functional group(s) present in the crystalline component. In particular, the phase change inks compositions solidify fast and are suitable for high speed printing.

Abstract: A phase change ink composition suitable for high speed ink jet printing, including printing on coated paper substrates. In particular, the phase change ink composition comprises an aromatic diester crystalline compound and an amorphous compound, and optionally, a colorant, which provides for a robust ink.

Abstract: A radiation curable solid ink composition comprising at least one curable wax that is curable by free radical polymerization; at least one monomer, oligomer, or prepolymer; at least one non-curable wax; at least one free-radical photoinitiator or photoinitiating moiety; and a colorant; wherein the components form a curable ink composition that is a solid at a first temperature of from about 20 to about 25° C.; and wherein the components form a liquid composition at a second temperature of greater than about 40° C.

Abstract: Exemplary embodiments provide a phase change ink composition including at least a first semi-crystalline material having a high amorphous content; and at least a second semi-crystalline material having a high crystalline content, such that the phase change ink has a viscosity ranging from about 0.1 cps to about 15 cps at a temperature ranging from about 60° C. to about 145° C. and the phase change ink composition has excellent robustness when forming images or printing on a printing substrate.

Abstract: A phase change ink including at least one crystalline component of the formula wherein R1 and R2 can be the same or different, and wherein R1 and R2 each, independently of the other, is (i) an alkyl group, (ii) an arylalkyl group, (iii) an alkylaryl group, or (iv) an aromatic group, provided that at least one of R1 and R2 is an aromatic group, and wherein the crystalline component has a melting point of from about 65° C. to about 150° C.; at least one amorphous component; and an optional colorant.

Abstract: A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink formulation comprises a blend of amorphous and crystalline components which provides a solid ink with excellent rheological properties and robustness when forming images or printing on coated paper substrates.

Abstract: A phase change ink composition comprising an amorphous component, a crystalline component comprises a sulfone compound or derivatives thereof, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates.

Abstract: Disclosed is a phase change ink comprising (i) an ink carrier; (ii) a quinacridone pigment; (iii) a synergist of the formula or mixtures thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R10, R11, and x are as defined herein; and (iv) a pigment dispersant; said phase change ink being a solid at about 25° C.

Abstract: An ink including at least one first reactive component, at least one second component comprising a triggerable component, at least one third reactive component, and an optional colorant; wherein the at least one first reactive component and the at least one third reactive component are capable of reacting with one another to form a solid ink on a substrate; wherein the at least one first reactive component is encapsulated in a microcapsule; wherein the ink can be jetted onto a substrate and treated whereby the treatment causes the at least one triggerable component to trigger the rupture of the microcapsule thereby releasing the at least one first reactive component from the microcapsule so that the at least one first reactive component and the at least one third reactive component come into contact, react, and polymerize thereby curing the ink.

Abstract: There is provided novel curable ink compositions comprising coated magnetic metal nanoparticles. In particular, there is provided ultraviolet (UV) curable gel inks comprising at least the coated magnetic metal nanoparticles, one curable monomer, a radiation activated initiator that initiates polymerization of curable components of the ink, a gellant. The inks may also include optional colorants and one or more optional additives. These curable gel UV ink compositions can be used for ink jet printing in a variety of applications.

Abstract: A solventless radiation curable stretchable ink composition including an aliphatic urethane monomer or oligomer; an acrylic ester monomer; a photoinitiator; and an optional colorant. A patterned article including a deformable substrate; an image printed on the deformable substrate, the image being formed from a radiation curable stretchable ink composition comprising an aliphatic urethane monomer or oligomer; an acrylic ester monomer; a photoinitiator; and an optional colorant.

Abstract: A modified naturally-derived colorant comprising a naturally-derived colorant that is modified with an aliphatic quaternary ammonium salt, an aromatic quaternary ammonium salt, or a mixture or combination thereof. The modified naturally-derived colorant is compatible with phase change ink vehicles.

Abstract: A phase change ink composition comprising an ink vehicle; an optional dispersant; and a modified naturally-derived colorant comprising a naturally-derived colorant that is modified with an aliphatic quaternary ammonium salt, an aromatic quaternary ammonium salt, or a mixture or combination thereof. The modified naturally-derived colorant is compatible with phase change ink vehicles.

Abstract: There is described a surface layer or coating of a fluoropolymer. Dispersed in the fluoropolymer is a compound of the formula: wherein R1, R2, R3, and R4 each, independently of the others, are —H, alkyl, aryl, arylalkyl, or alkylaryl, R is a group of the formula —COOH, —COOM, —R5—COOH, —R5—COOM, —X—R5—COOH, or —X—R5—COOM wherein X and R5 are as defined herein, M is a cationic metal, A represents a saccharide monomer repeating unit having one or more R groups, B represents a saccharide monomer repeating unit having no R groups, m is an integer representing the number of repeating A units, and n is an integer representing the number of repeating B units.

Abstract: A phase change ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In particular, the crystalline component comprises an aromatic ether.

Abstract: A phase change ink composition includes a carrier; an optional colorant; and a lignosulfonate compound of the formula wherein R is hydrogen or and wherein the cationic counterion+ is a nitrogen-alkyl cationic counterion, a nitrogen-aryl cationic counterion, a nitrogen-alkylaryl cationic counterion, or a nitrogen arylalkyl cationic counterion; and wherein the cationic counterion contains at least eight carbon atoms.

Abstract: Disclosed is a phase change ink comprising (i) an ink carrier; (ii) a quinacridone pigment; (iii) a synergist of the formula or mixtures thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R10, R11, and x are as defined herein; and (iv) a pigment dispersant; said phase change ink being a solid at about 25° C.

Abstract: A phase change ink composition including an ink vehicle; an optional colorant; and ethylene vinyl acetate in an amount of from about 0.1 to about 10 percent by weight based on the total weight of the phase change ink composition.

Abstract: A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In particular, the solid ink composition comprises a crystalline compound, an amorphous compound, and an inorganic nucleating agent, which provides for a robust and fast printing ink.