A non-aqueous ink composition which has superior printing performance, such as continuous discharge stability, and also has excellent storage stability and excellent coloring properties, and with which printed matter having superior durability can be obtained. A non-aqueous ink composition discharged using an inkjet method, the composition containing an organic solvent, a colorant, and a resin, where the resin contains at least one resin selected from the group consisting of acrylic resins, vinyl chloride-vinyl acetate copolymer resins, and cellulose resins, and a resin having intrinsic viscosity at 25° C. of 90 mL/g or more accounts for up to 5 mass% of the entire resin.

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): ##STR00001##
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.

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): ##STR00001##
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.

An inkjet ink contains a pigment, a polysaccharide, a water-soluble organic solvent, and self-emulsifying polyolefin resin particles. The polysaccharide has a percentage content of at least 0.01% by mass and no greater than 0.20% by mass. The water-soluble organic solvent contains a specific glycol ether compound. The specific glycol ether compound has a percentage content of at least 3.0% by mass and no greater than 24.0% by mass. A ratio (M.sub.Y/M.sub.X) of a mass M.sub.Y of the pigment to a mass M.sub.X of the self-emulsifying polyolefin resin particles is at least 0.24 and no greater than 3.10.

An inkjet ink contains a pigment, a polysaccharide, a water-soluble organic solvent, and self-emulsifying polyolefin resin particles. The polysaccharide has a percentage content of at least 0.01% by mass and no greater than 0.20% by mass. The water-soluble organic solvent contains a specific glycol ether compound. The specific glycol ether compound has a percentage content of at least 3.0% by mass and no greater than 24.0% by mass. A ratio (M.sub.Y/M.sub.X) of a mass M.sub.Y of the pigment to a mass M.sub.X of the self-emulsifying polyolefin resin particles is at least 0.24 and no greater than 3.10.

Provided is an ink-jet recording liquid set including a pretreatment liquid for ink-jet recording and an ink-jet ink, wherein the pretreatment liquid for ink-jet recording includes: composite resin particles in which a polyolefin resin is contained in a polyurethane resin; a coagulant; and water, and the ink-jet ink contains: a pigment; water; and 3-methoxy-1-butanol or 3-methoxy-3-methy-1-butanol.

Provided is an ink-jet recording liquid set including a pretreatment liquid for ink-jet recording and an ink-jet ink, wherein the pretreatment liquid for ink-jet recording includes: composite resin particles in which a polyolefin resin is contained in a polyurethane resin; a coagulant; and water, and the ink-jet ink contains: a pigment; water; and 3-methoxy-1-butanol or 3-methoxy-3-methy-1-butanol.

An object is to achieve both good washing fastness and texture by combining a urethane resin of high fracture elongation with a small quantity of crosslinking agent. As a means for achieving the object, a white inkjet ink composition for textile printing is provided that contains a white pigment, a water-dispersible urethane resin having reactivity to cationic compounds, a crosslinking agent, a water-soluble organic solvent, and water; wherein the crosslinking agent is contained by 0.02 to 0.15 parts by mass relative to 1 part by mass of the water-dispersible urethane resin, and as the water-soluble organic solvent, a glycol ether that dissolves by 1 to 60 g in 100 g of water is contained.

An object is to achieve both good washing fastness and texture by combining a urethane resin of high fracture elongation with a small quantity of crosslinking agent. As a means for achieving the object, a white inkjet ink composition for textile printing is provided that contains a white pigment, a water-dispersible urethane resin having reactivity to cationic compounds, a crosslinking agent, a water-soluble organic solvent, and water; wherein the crosslinking agent is contained by 0.02 to 0.15 parts by mass relative to 1 part by mass of the water-dispersible urethane resin, and as the water-soluble organic solvent, a glycol ether that dissolves by 1 to 60 g in 100 g of water is contained.

This invention discloses formulations of mutually compatible sets of graphene, graphene-carbon, metal and dielectric inks for the fabrication of high performance membrane touch switches (MTS). The compositions of these inks are optimized to achieve higher degree of compatibility with highly engineered polymeric substrates, thereby offering a holistic solution for fabricating high-performance MTS. These sets of materials can also be used for fabrication of sensors, biosensors and RFIDs on flexible substrates, such as polymers and papers.