Abstract: The present invention provides an inspection tool and an inspection method, with which it is possible to easily discriminate whether or not irradiation with light having a wavelength of 222 nm and light having a wavelength of 254 nm is performed even under sunlight. The inspection tool of the present invention includes a sensing portion and a reference portion, in which the sensing portion includes a sensing layer which senses at least light having a wavelength of 200 to 254 nm, the reference portion includes the sensing layer and a transparent layer, and the transparent layer satisfies a relationship of Expressions (1) and (2), 0%?TMA200 to 254<15.0%??Expression (1) 50.0%<TMI360 to 800?100%??Expression (2) in Expression (1), TMA200 to 254 represents a maximum transmittance of the transparent layer in a wavelength range of 200 to 254 nm. in Expression (2), TMI360 to 800 represents a minimum transmittance of the transparent layer in a wavelength range of 360 to 800 nm.

Abstract: The present invention provides an ultraviolet inspection tool having excellent color formability with respect to light having a wavelength of 222 nm even in a case where an irradiation amount of the light having a wavelength of 222 nm is small, an ultraviolet inspection kit, and an ultraviolet inspection method. The ultraviolet inspection tool of the present invention is an ultraviolet inspection tool including an ultraviolet-sensing layer containing a color-forming agent and an acid generator, in which the color-forming agent has at least one selected from the group consisting of a lactone structure, a lactam structure, a sultone structure, a sultine structure, a ring-opened structure of these structures, and an azobenzene structure, a molecular weight of the acid generator is 600 or less, and a mass ratio of a content of the acid generator to a content of the color-forming agent is 1.01 to 40.00.

Abstract: With the present invention, it is possible to provide an inspection tool capable of easily inspecting whether or not light which inactivates a virus or the like has been radiated and easily inspecting whether or not light which is harmful to the human body has been radiated. The inspection tool of the present invention includes a first display portion and a second display portion, in which the first display portion is a display portion which indicates a visual change before and after irradiation of the inspection tool with light having at least any of wavelengths in a wavelength range of 200 to 280 nm, and the second display portion is a display portion which does not indicate a visual change before and after irradiation of the inspection tool with light in a wavelength range of 200 to 230 nm, but indicates a visual change before and after irradiation of the inspection tool with light having at least any of wavelengths in a wavelength range of more than 230 nm and 280 nm or less.

Abstract: A first object of the present invention is to provide an ultraviolet-sensing member having excellent storage stability and image stability. In addition, a second object of the present invention is to provide a microcapsule, a production method of a microcapsule, a dispersion liquid for forming an ultraviolet-sensing layer, and an ultraviolet-sensing kit. The ultraviolet-sensing member of the present invention is an ultraviolet-sensing member including an ultraviolet-sensing layer containing a microcapsule which contains a photoactivator, a color-forming agent, and an aromatic solvent, in which the aromatic solvent includes an aromatic solvent including a heteroatom and an aromatic solvent including no heteroatom.

Abstract: The present invention provides an inspection tool and an inspection method, with which it is possible to easily discriminate whether or not irradiation with light having a wavelength of 222 nm and light having a wavelength of 254 nm is performed even under sunlight. The inspection tool of the present invention includes a sensing portion and a reference portion, in which the sensing portion includes a sensing layer which senses at least light having a wavelength of 200 to 254 nm, the reference portion includes the sensing layer and a transparent layer, and the transparent layer satisfies a relationship of Expressions (1) and (2), 0%?TMA200 to 254<15.0%??Expression (1) 50.0%<TMI360 to 800?100%??Expression (2) in Expression (1), TMA200 to 254 represents a maximum transmittance of the transparent layer in a wavelength range of 200 to 254 nm. in Expression (2), TMI360 to 800 represents a minimum transmittance of the transparent layer in a wavelength range of 360 to 800 nm.

Abstract: With the present invention, it is possible to provide an inspection tool capable of easily inspecting whether or not light which inactivates a virus or the like has been radiated and easily inspecting whether or not light which is harmful to the human body has been radiated. The inspection tool of the present invention includes a first display portion and a second display portion, in which the first display portion is a display portion which indicates a visual change before and after irradiation of the inspection tool with light having at least any of wavelengths in a wavelength range of 200 to 280 nm, and the second display portion is a display portion which does not indicate a visual change before and after irradiation of the inspection tool with light in a wavelength range of 200 to 230 nm, but indicates a visual change before and after irradiation of the inspection tool with light having at least any of wavelengths in a wavelength range of more than 230 nm and 280 nm or less.

Abstract: The present invention provides an ultraviolet inspection tool having excellent color formability with respect to light having a wavelength of 222 nm even in a case where an irradiation amount of the light having a wavelength of 222 nm is small, an ultraviolet inspection kit, and an ultraviolet inspection method. The ultraviolet inspection tool of the present invention is an ultraviolet inspection tool including an ultraviolet-sensing layer containing a color-forming agent and an acid generator, in which the color-forming agent has at least one selected from the group consisting of a lactone structure, a lactam structure, a sultone structure, a sultine structure, a ring-opened structure of these structures, and an azobenzene structure, a molecular weight of the acid generator is 600 or less, and a mass ratio of a content of the acid generator to a content of the color-forming agent is 1.01 to 40.00.

Abstract: The present invention provides an ultraviolet-sensing member in which it is easy to determine whether an irradiation amount which inactivates the novel coronavirus has been irradiated, and an ultraviolet-sensing kit. In the ultraviolet-sensing member of the present invention, in a case where, using a KrCl excimer lamp as a light source, the ultraviolet-sensing member is irradiated with light through a filter which substantially shields light having a wavelength of 230 to 300 nm until an irradiation amount of light having a wavelength of 222 nm reaches 3 mJ/cm2, and using a spectrophotometer Spectrolino (GretagMacbeth AG), optical densities of predetermined colors are measured with the ultraviolet-sensing member before the light irradiation and the ultraviolet-sensing member after the light irradiation, the optical densities show a predetermined value.

Abstract: A first object of the present invention is to provide an ultraviolet-sensing member having excellent storage stability and image stability. In addition, a second object of the present invention is to provide a microcapsule, a production method of a microcapsule, a dispersion liquid for forming an ultraviolet-sensing layer, and an ultraviolet-sensing kit. The ultraviolet-sensing member of the present invention is an ultraviolet-sensing member including an ultraviolet-sensing layer containing a microcapsule which contains a photoactivator, a color-forming agent, and an aromatic solvent, in which the aromatic solvent includes an aromatic solvent including a heteroatom and an aromatic solvent including no heteroatom.

Abstract: Provided is an ink jet recording medium including a transparent support having a thickness of 10 ?m to 60 ?m and a transparent porous layer which is provided on at least one surface of the transparent support, contains inorganic particles, and has a thickness of 1 ?m to 15 ?m, in which a tear strength measured based on JIS K 7128-1 (2013) is equal to or lower than 0.5 N. Also provided is a packaging material.

Abstract: Provided is an inkjet recording sheet which includes a transparent support and an ink receiving layer disposed on one surface of the transparent support, in which the ink receiving layer is a layer formed by curing a composition containing at least a polymerization initiator and a polymerizable compound. When a printed article and ornamental glass are manufactured by forming an image portion by an inkjet method, the inkjet recording sheet is excellent in both the ink adhesiveness and the scratch resistance of the ink receiving layer including the image portion and a non-image portion. Also provided is a method for manufacturing an inkjet recording sheet, a printed article, a method for manufacturing a printed article, and ornamental glass.

Abstract: The present invention provides a polymerizable composition for a solder resist, including an infrared ray shielding material, a polymerization initiator, and a polymerizable compound, and a solder resist pattern forming method using the polymerizable composition for a solder resist.

Abstract: A polymerizable composition contains (A) a polymerization initiator that is an acetophenone-based compound or an acylphosphine oxide-based compound, (B) a polymerizable compound, (C) at least either a tungsten compound or a metal boride, and (D) an alkali-soluble binder.

Abstract: Provided is an inkjet recording sheet which includes a transparent support and an ink receiving layer disposed on one surface of the transparent support, in which the ink receiving layer is a layer formed by curing a composition containing at least a polymerization initiator and a polymerizable compound. When a printed article and ornamental glass are manufactured by forming an image portion by an inkjet method, the inkjet recording sheet is excellent in both the ink adhesiveness and the scratch resistance of the ink receiving layer including the image portion and a non-image portion. Also provided is a method for manufacturing an inkjet recording sheet, a printed article, a method for manufacturing a printed article, and ornamental glass.

Abstract: A polymerizable composition contains (A) a polymerization initiator that is an acetophenone-based compound or an acylphosphine oxide-based compound, (B) a polymerizable compound, (C) at least either a tungsten compound or a metal boride, and (D) an alkali-soluble binder.

Abstract: A polymerizable composition contains (A) a polymerization initiator that is an acetophenone-based compound or an acylphosphine oxide-based compound, (B) a polymerizable compound, (C) at least either a tungsten compound or a metal boride, and (D) an alkali-soluble binder.

Abstract: A polymerizable composition includes: a polymerization initiator; a polymerizable compound; a tungsten compound; and an alkali-soluble binder.

Abstract: Provided is a polymerizable composition containing (A) a polymerization initiator, (B) a polymerizable compound, (C) at least either a tungsten compound or a metal boride, (D) a compound having a maximum absorption wavelength between 300 nm and 450 nm and assuming that the maximum absorbance between 300 nm and 450 nm is 1, having an absorbance of 0.3 or less at a wavelength of 550 nm, and (E) an alkali-soluble binder.

Abstract: A prism sheet is provided with a prism member, being an optical functional member, and a multilayer film for supporting the prism member. The multilayer film is provided with a base layer and an adhesive layer. One of surfaces of the adhesive layer is adhered to a surface of the base layer. The other surface of the adhesive layer is adhered to the prism member. Thus, the prism member is adhered to the base layer through the adhesive layer. Polyester contained in the adhesive layer has a glass transition temperature Tg of less than 60° C. At least 30 mol % of dicarboxylic acid units in the polyester contained in the adhesive layer have naphthalene rings.

Abstract: The present invention provides a polymerizable composition for a solder resist, including an infrared ray shielding material, a polymerization initiator, and a polymerizable compound, and a solder resist pattern forming method using the polymerizable composition for a solder resist.