An ink set including an inkjet ink, and a treatment liquid used in combination with the inkjet ink, wherein the inkjet ink includes a pigment, a water-soluble organic solvent, a surfactant and water, the treatment liquid includes a coagulant, an organic solvent and water, the coagulant includes calcium nitrate in an amount of 21.5 to 41.7% by mass relative to the total mass of the treatment liquid, an amount of organic solvent having a boiling point at one atmosphere of 240° C. or higher in the treatment liquid is not more than 8% by mass, a pH of the treatment liquid is within a range from 3.5 to 10.5, and a viscosity of the treatment liquid at 25° C. is within a range from 5.5 to 18.5 mPa.Math.s.

An ink set including an inkjet ink, and a treatment liquid used in combination with the inkjet ink, wherein the inkjet ink includes a pigment, a water-soluble organic solvent, a surfactant and water, the treatment liquid includes a coagulant, an organic solvent and water, the coagulant includes calcium nitrate in an amount of 21.5 to 41.7% by mass relative to the total mass of the treatment liquid, an amount of organic solvent having a boiling point at one atmosphere of 240° C. or higher in the treatment liquid is not more than 8% by mass, a pH of the treatment liquid is within a range from 3.5 to 10.5, and a viscosity of the treatment liquid at 25° C. is within a range from 5.5 to 18.5 mPa.Math.s.

An oil-based inkjet ink is disclosed that contains a pigment, a dispersant formed with an acidic resin, a low-molecular weight amine compound and a basic polymer, and a non-aqueous solvent. A method for producing an oil-based inkjet ink and a method for producing a dispersant is also disclosed.

An oil-based inkjet ink is disclosed that contains a pigment, a dispersant formed with an acidic resin, a low-molecular weight amine compound and a basic polymer, and a non-aqueous solvent. A method for producing an oil-based inkjet ink and a method for producing a dispersant is also disclosed.

The radiation-curable coating compositions disclosed herein are provided for use as photo-stable coatings for an optical article substrate. The compositions may be applied by a variety of methods, including spin coating, dip coating, and inkjet coating. The coating compositions are fast cured and exhibit robust adhesion to the substrates.

The radiation-curable coating compositions disclosed herein are provided for use as photo-stable coatings for an optical article substrate. The compositions may be applied by a variety of methods, including spin coating, dip coating, and inkjet coating. The coating compositions are fast cured and exhibit robust adhesion to the substrates.

A composition can comprise particles comprising 5% by weight (wt %) or more, a photo-initiator, a curing agent, a dispersant, and an organic binder. The composition can be substantially solvent-free. In some embodiments, particles comprise 65 wt % or more. In some embodiments, the curing agent comprises dipropylene-glycol diacrylate. In some embodiments, the dispersant comprises a phosphate ester. In some embodiments, the organic binder comprises isobornyl methacrylate. In some embodiments, the composition comprises a viscosity from about 100 milliPascal-seconds to about 7,000 milliPascal-seconds. Methods of making a green body can comprise creating a composition, printing the green body using the composition, and curing the green body. Method of making a printed article can comprise creating a composition, printing a green body using the composition, curing the green body, heating the green body to remove the organic binder to form a porous article, and sintering the porous article to form the printed article.

A composition can comprise particles comprising 5% by weight (wt %) or more, a photo-initiator, a curing agent, a dispersant, and an organic binder. The composition can be substantially solvent-free. In some embodiments, particles comprise 65 wt % or more. In some embodiments, the curing agent comprises dipropylene-glycol diacrylate. In some embodiments, the dispersant comprises a phosphate ester. In some embodiments, the organic binder comprises isobornyl methacrylate. In some embodiments, the composition comprises a viscosity from about 100 milliPascal-seconds to about 7,000 milliPascal-seconds. Methods of making a green body can comprise creating a composition, printing the green body using the composition, and curing the green body. Method of making a printed article can comprise creating a composition, printing a green body using the composition, curing the green body, heating the green body to remove the organic binder to form a porous article, and sintering the porous article to form the printed article.

The present invention relates to a method for producing ceramic gas-separation membranes, which comprises depositing, by means of inkjet printing, water-based inks that form layers of a gas separation membrane. More specifically, the method comprises at least the following steps forming a porous support (i) compatible with a functional separation layer; depositing on the support (i), by means of inkjet printing, at least one functional separation layer (ii) formed by at least two inks, and depositing at least one porous catalytic activation layer (iii) on the functional separation layer (ii); and performing at least one heat treatment, which produces sintering. The functional separation layer (ii) is deposited in a manner to produce a surface with fadings, patterns, or combinations thereof he invention also relates to a gas separation membrane produced using the described method.

An ink includes the following ingredients by weight: pigment: 5 to 10 wt %; dispersant: 1 to 5 wt %; photoinitiator: 5 to 8 wt %; monofunctional reactive monomer 10 to 15 wt %; multifunctional reactive monomer: 25 to 40 wt %; acrylic resin: 20 to 35 wt %; coupling agent: 2 to 5 wt %; defoamer: 0.1 to 1 wt %; and leveling agent: 0.1 to 1 wt %. The ink according to this application can concurrently meet various performance requirements such as deep curing, high adhesion, high resistance to abrasion and perspiration, and ease of correction.