Provided is a thermosetting conductive paste which is able to be processed at low temperature (for example, at 250° C. or less), and which enables the achievement of a conductive film that has low resistivity. The conductive paste which contains (A) a conductive component, (B) a thermosetting resin, (C) a compound having a specific structure, and (D) a solvent.

A conductive ink composition for screen printing contains a conductive metal particle (A) having an oleic acid surfactant, a non-chlorine-based resin composition (B), and an organic solvent (C), wherein the conductive metal particle (A) is contained in an amount of 45 to 70% by weight with respect to the total ink composition, the non-chlorine-based resin composition (B) has a number average molecular weight of 50,000 or more and is contained in an amount of 5 to 15% by weight with respect to the total ink composition, the organic solvent (C) has a flash point of 75 to 110° C. and is contained in an amount of 25 to 50% by weight with respect to the total ink composition, and the ink composition has an ink viscosity of 10 to 25 Pa.Math.s (23° C.) at a shear rate of 100 s.sup.−1.

A conductive ink composition for screen printing contains a conductive metal particle (A) having an oleic acid surfactant, a non-chlorine-based resin composition (B), and an organic solvent (C), wherein the conductive metal particle (A) is contained in an amount of 45 to 70% by weight with respect to the total ink composition, the non-chlorine-based resin composition (B) has a number average molecular weight of 50,000 or more and is contained in an amount of 5 to 15% by weight with respect to the total ink composition, the organic solvent (C) has a flash point of 75 to 110° C. and is contained in an amount of 25 to 50% by weight with respect to the total ink composition, and the ink composition has an ink viscosity of 10 to 25 Pa.Math.s (23° C.) at a shear rate of 100 s.sup.−1.

An ink set includes a first ink and a second ink which are water-based ink compositions, in which each of the first ink and the second ink includes a pigment and resin including resin particles, the first ink includes a first pigment and the second ink includes a second pigment different from the first pigment, the first ink and the second ink are mixed with a 5% by mass water-based solution of magnesium sulfate heptahydrate to increase a volume average particle diameter of the ink and a difference in the volume average particle diameter for the inks in the inks after mixing is 40% or less, and the ink set is used for recording together with a treatment liquid including an aggregating agent for aggregating the components of the water-based ink compositions.

An ink set includes a first ink and a second ink which are water-based ink compositions, in which each of the first ink and the second ink includes a pigment and resin including resin particles, the first ink includes a first pigment and the second ink includes a second pigment different from the first pigment, the first ink and the second ink are mixed with a 5% by mass water-based solution of magnesium sulfate heptahydrate to increase a volume average particle diameter of the ink and a difference in the volume average particle diameter for the inks in the inks after mixing is 40% or less, and the ink set is used for recording together with a treatment liquid including an aggregating agent for aggregating the components of the water-based ink compositions.

An apparatus is disclosed to create a breakaway junction for 3D printed parts. Powder is spread along a target zone, such as a build bed. A liquid functional agent is selectively dispensed upon the powder to form a 3D object, a supporting part, and the breakaway junction between them.

An inkjet ink composition includes cellulose nanocrystals and a metal oxide. The cellulose nanocrystals are present in the inkjet ink composition in an amount ranging from 0.5 wt % up to 2 wt %, based on a total weight of the inkjet ink composition, and the metal oxide is present in the inkjet ink composition in an amount ranging from 0.5 wt % up to 7 wt %, based on the total weight of the inkjet ink composition. The inkjet ink composition further includes a pigment, a polar solvent and a balance of water.

An inkjet ink composition includes cellulose nanocrystals and a metal oxide. The cellulose nanocrystals are present in the inkjet ink composition in an amount ranging from 0.5 wt % up to 2 wt %, based on a total weight of the inkjet ink composition, and the metal oxide is present in the inkjet ink composition in an amount ranging from 0.5 wt % up to 7 wt %, based on the total weight of the inkjet ink composition. The inkjet ink composition further includes a pigment, a polar solvent and a balance of water.

Examples are disclosed that relate to method for producing nanoparticles using a shear-flow reactor. One disclosed example provides a method for producing nanoparticles with ligands bound to the surface of the nanoparticles, which comprises a step of mixing and processing a first solution and a second solution in a shear-flow reactor, and the first solution contains a first solvent in which nanoparticles having a initial ligand bound to the surface of the nanoparticles are dissolved, the second solution contains a second solvent in which the second ligand dissolved, a ligand exchange reaction is carried out in the shear-flow reactor to form a solution of the nanoparticles in which the second ligand is bound to the surface of the nanoparticles.

Examples are disclosed that relate to method for producing nanoparticles using a shear-flow reactor. One disclosed example provides a method for producing nanoparticles with ligands bound to the surface of the nanoparticles, which comprises a step of mixing and processing a first solution and a second solution in a shear-flow reactor, and the first solution contains a first solvent in which nanoparticles having a initial ligand bound to the surface of the nanoparticles are dissolved, the second solution contains a second solvent in which the second ligand dissolved, a ligand exchange reaction is carried out in the shear-flow reactor to form a solution of the nanoparticles in which the second ligand is bound to the surface of the nanoparticles.