Abstract: An ink composition for high-speed screen printing, includes a solvent with a boiling point of not less than 170° C. at not less than 70 wt % of the total solvent, and a prepolymer or polymer with a weight-average molecular weight of not less than 2000 at not less than 7 wt % with respect to the total ink composition, and having a viscosity of not less than 6 Pa·s and less than 30 Pa·s as measured with a BH-type rotating viscosimeter at 25° C., and a thixotropic index (TI value) of 2.0 to 8.0, the measured flow radius value of 14.0 to 24.0 mm after 1 minute from the start of measurement by a flow property measuring method using a spread meter at 25° C. according to JIS K5701-1:2000.

Abstract: An ink composition for screen printing having a measured flow radius value 13.0 to 24.0 mm after 1 minute from the start of measurement by a flow property measuring method using a spread meter at 25° C. according to JIS K5701-1:2000, “F60”?“F45”?1.0 mm is satisfied, wherein “F60” and “F45” are defined as measured flow radius values after 1 minute and 45 seconds, respectively, from the start of measurement by the flow property measuring method, the viscosity is 5 to 180 Pa·s, the thixotropic index is 2.0 to 8.0, the composition contains a solvent with a boiling point at least 170° C. at least at 70 mass % and a thermoplastic polymer with a weight-average molecular weight of at least 4000 and with a Tg of 20 to 95° C. at least at 10 mass %, wherein the printed image coating film has an elongation percentage at least 250%.

Abstract: An ultraviolet curing type coating resin composition having all of respective beneficial features of excellent state in chemical resistance, under high temperature, against human skin protection creams containing a mixture of alkyl esters of benzoic acid, trademark), excellent state in gas barrier property against metal-corrosive gases as represented by sulfur-containing gases, and excellent state in flexibility that accommodates three-dimensional shape forming processing is demanded, includes an ultraviolet curing type coating resin composition containing an unsaturated-group-containing acrylic resin, with a weight average molecular weight of 5000 to 70000, a number of (meth)acrylate functional groups per molecule of 12 to 40, a hydroxyl value of 2 to 200 mgKOH/g, and with a glass transition temperature of 20 to 90° C., a volatile organic solvent, and a photopolymerization initiator.

Abstract: An ink composition for screen printing for a glass substrate includes a solvent with a boiling point at least 170° C. at least at 70 mass % of the total solvent and a prepolymer or polymer with a weight-average molecular weight of at least 2000 at least at 2 mass % with respect to total ink composition, and with a viscosity of 5 to 180 Pa·s measured with a BH-type rotating viscosimeter at 25° C. and thixotropic index (TI value) of 2.0 to 8.0, the measured flow radius value being 13.0 to 24.0 mm after 1 minute from start of measurement by a flow property measuring method using a spread meter at 25° C. according to JIS K5701-1:2000, satisfying “F60”?“F45”?1.0 mm, where “F60” and “F45” are measured flow radius values after 1 minute and 45 seconds, respectively, from start of measurement, and containing a coupling agent compound.

Abstract: An ink composition for high-speed screen printing, includes a solvent with a boiling point of not less than 170° C. at not less than 70 wt % of the total solvent, and a prepolymer or polymer with a weight-average molecular weight of not less than 2000 at not less than 7 wt % with respect to the total ink composition, and having a viscosity of not less than 6 Pa·s and less than 30 Pa·s as measured with a BH-type rotating viscosimeter at 25° C., and a thixotropic index (TI value) of 2.0 to 8.0, the measured flow radius value of 14.0 to 24.0 mm after 1 minute from the start of measurement by a flow property measuring method using a spread meter at 25° C. according to JIS K5701-1:2000.

Abstract: An ink composition for screen printing having a measured flow radius value 13.0 to 24.0 mm after 1 minute from the start of measurement by a flow property measuring method using a spread meter at 25° C. according to JIS K5701-1:2000, “F60”?“F45?” 1.0 mm is satisfied, wherein “F60” and “F45” are defined as measured flow radius values after 1 minute and 45 seconds, respectively, from the start of measurement by the flow property measuring method, the viscosity is 5 to 180 Pa·s, the thixotropic index is 2.0 to 8.0, the composition contains a solvent with a boiling point at least 170° C. at least at 70 mass % and a thermoplastic polymer with a weight-average molecular weight of at least 4000 and with a Tg of 20 to 95° C. at least at 10 mass %, wherein the printed image coating film has an elongation percentage at least 250%.

Abstract: An ink composition for high-quality/high-definition screen printing that, when producing printed matter by screen printing on an object to be printed using a 360-mesh screen printing plate formed by a high-strength, non-deforming stainless steel mesh with a filament diameter of 25 ?m, produces printed matter with a printed image edge spreading width of no more than 10 ?m from the image design dimensions of the printing plate, the ink composition for screen printing containing a solvent with a boiling point of 170° C. or higher at 70 wt % or greater of the total solvent, and a prepolymer or polymer with a weight-average molecular weight of 2000 or greater at 2 wt % or greater with respect to the total ink composition, and having a viscosity of 30 to 180 Pa·s as measured with a BH-type rotating viscosimeter at 25° C., and a thixotropic index of 2.0 to 8.0.

Abstract: An ultraviolet curing type coating resin composition having all of respective beneficial features of excellent state in chemical resistance, under high temperature, against human skin protection creams containing a mixture of alkyl esters of benzoic acid, as represented by Neutrogena Cream (registered trademark), excellent state in gas barrier property against metal-corrosive gases as represented by sulfur-containing gases, and excellent state in flexibility that accommodates three-dimensional shape forming processing is demanded, includes an ultraviolet curing type coating resin composition containing an unsaturated-group-containing acrylic resin, with a weight average molecular weight of 5000 to 70000, a number of (meth)acrylate functional groups per molecule of 5 to 40, a hydroxyl value of 2 to 200 mgKOH/g, and with a glass transition temperature of 20 to 90° C., a volatile organic solvent, and a photopolymerization initiator.

Abstract: An ink composition for screen printing for a glass substrate includes a solvent with a boiling point at least 170° C. at least 70 mass % of the total solvent and a prepolymer or polymer with a weight-average molecular weight of at least 2000 at least at 2 mass % with respect to total ink composition, and with a viscosity of 5 to 180 Pa·s measured with a BH-type rotating viscosimeter at 25° C. and thixotropic index (TI value) of 2.0 to 8.0, the measured flow radius value being 13.0 to 24.0 mm after 1 minute from start of measurement by a flow property measuring method using a spread meter at 25° C. according to JIS K5701-1:2000, satisfying “F60”?“F45”?1.0 mm, where “F60” and “F45” are measured flow radius values after 1 minute and 45 seconds, respectively, from start of measurement, and containing a coupling agent compound.

Abstract: Provided is a method for manufacturing inkjet system ultraviolet curable inks which are improved in formability, adhesiveness and tackiness by selecting a combination of a monofunctional radical polymerization monomer as a major component with other polyfunctional radical polymerization oligomers and/or monofunctional radical polymerization monomers.