Abstract: The present invention provides an antibacterial composition capable of forming an antibacterial film having suppressed coloration, excellent antibacterial property, and suppressed film cracking, antibacterial film, and an antibacterial film-attached substrate. The antibacterial composition of the present invention includes a silver-based antibacterial agent containing zirconium phosphate and silver carried and supported on the zirconium phosphate, a monomer having a polymerizable group, and a solvent. The monomer having a polymerizable group includes a first monomer having a polymerizable group and a hydrophilic group, and a second monomer having a polymerizable group and having no hydrophilic group, and the content of the first monomer is 30% to 70% by mass with respect to the total mass of the monomer having a polymerizable group.

Abstract: The present invention provides an antibacterial composition capable of forming an antibacterial film having suppressed coloration, excellent antibacterial property, and suppressed film cracking, antibacterial film, and an antibacterial film-attached substrate. The antibacterial composition of the present invention includes a silver-based antibacterial agent containing zirconium phosphate and silver carried and supported on the zirconium phosphate, a monomer having a polymerizable group, and a solvent. The monomer having a polymerizable group includes a first monomer having a polymerizable group and a hydrophilic group, and a second monomer having a polymerizable group and having no hydrophilic group, and the content of the first monomer is 30% to 70% by mass with respect to the total mass of the monomer having a polymerizable group.

Abstract: A first object of the present invention is to provide an antibacterial film excellent in the antibacterial property and the antiviral property and resistant to discoloration. A second object of the present invention is to provide an antibacterial composition excellent in the antibacterial property and the antiviral property and capable of providing an antibacterial film that is resistant to discoloration. A third object of the present invention is to provide an antibacterial film-attached substrate provided with the above antibacterial film. A fourth object of the present invention is to provide a method for imparting an antibacterial property using the above antibacterial film and the above antibacterial composition. An antibacterial film of the present invention includes: an antibacterial agent including silver; a binder; an antiviral agent; and a fluorine-based surfactant.

Abstract: The wavelength conversion member includes: a first substrate; a second substrate; and a wavelength conversion layer disposed between the first substrate and the second substrate and including quantum dots which are excited by excitation light to emit fluorescence. The wavelength conversion layer is a cured layer obtained by curing a polymerizable composition which includes the quantum dots and a polymerizable compound having a molecular weight of 200 or lower, and the number of bubble-shaped defects having a diameter of 0.1 mm or more in the wavelength conversion layer is less than 10 per 100 cm2.

Abstract: The wavelength conversion member includes: a first substrate; a second substrate; and a wavelength conversion layer disposed between the first substrate and the second substrate and including quantum dots which are excited by excitation light to emit fluorescence. The wavelength conversion layer is a cured layer obtained by curing a polymerizable composition which includes the quantum dots and a polymerizable compound having a molecular weight of 200 or lower, and the number of bubble-shaped defects having a diameter of 0.1 mm or more in the wavelength conversion layer is less than 10 per 100 cm2.

Abstract: Provided is manufacturing method of a quantum dot-containing laminated body including: forming a coating film by applying a quantum dot-containing composition which contains quantum dots, a curable compound, and a thixotropic agent and has a viscosity in a case of a shear rate of 500 s?1 of 3 to 100 mPa·s and a viscosity in a case of a shear rate of 1 s?1 of equal to or greater than 300 mPa·s, onto a first base material; laminating a second base material onto the coating film; and applying external stimuli to the coating film sandwiched between the first base material and the second base material for hardening, and forming a quantum dot-containing layer. The manufacturing method realizes high productivity, obtains a quantum dot-containing layer without coating streaks, and has slight film thickness unevenness of the quantum dot-containing laminated body.

Abstract: In an aspect of the coating method according to the present invention, the lower limit decompression degree PS1 at which a seam trouble occurs is obtained from the formula of the viscocapillary model. According to the aspect of the present invention, coating is performed by setting the Pb so as to satisfy PS1<P0?Pb?PS1+0.2, and therefore, stepped unevenness can be effectively suppressed so that a seam trouble does not occur. It goes without saying that the aspect of the present invention can be applied to high viscosity/thick film coating, but it is effective especially in the case where a coating solution with low viscosity (for example, 0.005 Pa·s or lower) is coated to be an ultra-thin film (for example, 10 ?m or less in the wet film thickness) where stepped unevenness easily occurs.

Abstract: The present invention provides a method of curing a coated film which includes irradiating an active ray by a plurality of active ray irradiation devices, wherein the coated film is composed of an active ray-curable resin formed on a surface of a running band-shaped flexible support, including the step of: maintaining the coated film in a deoxidized atmosphere during a period in which the flexible support irradiated with an active ray by the at least one active ray irradiation device is transferred to the active ray irradiation device in a subsequent step.

Abstract: The coating apparatus includes a base for supporting a slot die, wherein the base has a height of not more than 5 m from a ground level, and a mean cross sectional area of not less than 3 m2 in terms of a horizontal direction.

Abstract: A gravure coating apparatus containing a gravure roll, a manifold block for continuously coating a solution on an outer peripheral surface of the gravure roll 15 by immersing a lower part of the outer peripheral surface in the solution, and a doctor blade for scraping off excess solution, a surface of a flexible strip support conveyed to the gravure roll being made in contact with the outer peripheral surface of the gravure roll to transfer and coat a prescribed amount of the solution on the surface of the flexible strip support. The apparatus further contains a dam block which extends from the manifold block on a side where the outer peripheral surface of the gravure roll moves out from the manifold block by rotation of the gravure roll.

Abstract: A coated film drying method for drying a film which is coated on a surface of a web while the web is running through a tunnel-shaped dry case having a web entrance and a web exit, comprising the steps of: blowing dry air toward a surface of the coated film through an outlet port which is provided with a porous distributor; and sucking the dry air through an inlet port which is disposed at a position downstream or upstream of the position where the dry air is blown out and on the same side as that on which the outlet port is disposed relative to the coated film, so that a stream of the dry air which flows in a direction parallel to the running direction of the web is formed across the entire width of the surface of the coated film.

Abstract: The coating apparatus includes a base for supporting a slot die, wherein the base has a height of not more than 5 m from a ground level, and a mean cross sectional area of not less than 3 m2 in terms of a horizontal direction.

Abstract: The present invention provides a process for producing an antireflection film comprising applying, using a slot die, a coating solution onto a web which is backed up by a back-up roller and runs continuously to form at least one layer which has a thickness of 200 nm or less in a dried state and has a refractive index lower than that of the web. The slot die has an edge lip downstream of the running web which has a land length along the running web is 30 to 100 ?m, and the space between the edge lip of the slot die upstream of the running web and the surface of the web is set to be 30 to 120 ?m larger than the space between the edge lip of the slot die downstream of the running web and the surface of the web.

Abstract: A producing method of a coated film is provided and includes: coating a coating solution that contains a light-transmitting resin and a solvent on a support and, subsequently applying first and second drying steps for drying a coated coating solution. The first drying step is carried out in a drying zone where the maximum wind speed on a surface of a coated layer is 1 m/sec or more, and the second drying step is carried out in a drying zone having a temperature of 50° C. or more higher than a temperature in a zone where the first drying step is carried out.

Abstract: The coating construction has flexibility corresponding to the number of layers of multiple coating layers, by which a multilayer coating film can be produced with small film thickness without adherence of dust to a film surface, a drying fault such as unevenness induced by drying-wind on the film surface, or a coating fault such as a level variation and a streak. The multilayer coating film has a coating surface state of high quality with coating thickness deviation of 3% or less. A coating device is constructed in which at least a feed roller, a coater and a dryer are integrally incorporated in a casing, and the coating device is given a function as an independent device, whereby the production apparatus of the multilayer coating film can be constructed by only appropriately placing as many coating devices as the number corresponding to the number of layers of the multiple coating layers formed on a web between a delivery device and a winder.

Abstract: The present invention provides a method of curing a coated film which includes irradiating an active ray by a plurality of active ray irradiation devices, wherein the coated film is composed of an active ray-curable resin formed on a surface of a running band-shaped flexible support, comprising the step of: maintaining the coated film in a deoxidized atmosphere during a period in which the flexible support irradiated with an active ray by the at least one active ray irradiation device is transferred to the active ray irradiation device in a subsequent step.

Abstract: A coating device for coating a coating solution on a web has a roller and a weir which partially constructs a solution store space. In the solution store space the coating solution is stored. When the web sequentially moves in a direction, the roller rotates and the solution in the solution store space is supplied on the web. Thereby a part of the solution overflows the weir such that another part of the solution may remain on the web to have a constant width in a widthwise direction of the web. A drying device has plural drying zones in which the web is fed after the coating of the coating solution. One of the drying zones is neighbored to the coating device. A top of the plural drying zones is constructed of a blow regulation member so as to confront to the solution on the web. The blow regulation member has holes through which is exhausted a gas evaporated from the layer of the solution on the web.

Abstract: A method for forming multiple coating layers produces a coating construction that has flexibility corresponding to the number of layers of multiple coating layers, by which a multilayer coating film can be produced with small film thickness without adherence of dust to a film surface, a drying fault such as unevenness induced by drying-wind on the film surface, or a coating fault such as a level variation and a streak. The multilayer coating film has a coating surface state of high quality with coating thickness deviation of 3% or less. In the method, a belt-like substrate is continuously fed. A coating/drying step follows, with multiple steps performed in a single unit. A plurality of coating layers are formed by sequentially performing the coating/drying step by multiple units. Finally, the belt-like substrate with the multiple coatings is continuously wound.

Abstract: In an aspect of the coating method according to the present invention, the lower limit decompression degree PS1 at which a seam trouble occurs is obtained from the formula of the viscocapillary model. According to the aspect of the present invention, coating is performed by setting the Pb so as to satisfy Ps1<P0?Pb?PS1+0.2, and therefore, stepped unevenness can be effectively suppressed so that a seam trouble does not occur. It goes without saying that the aspect of the present invention can be applied to high viscosity/thick film coating, but it is effective especially in the case where a coating solution with low viscosity (for example, 0.005 Pa·s or lower) is coated to be an ultra-thin film (for example, 10 ?m or less in the wet film thickness) where stepped unevenness easily occurs.

Abstract: A coating method includes the steps of: providing a pressure reducing chamber and a slot die adjacent to each other from an upstream side in a moving direction of a base material, providing a backup roller so as to face the slot die, and coating a coating liquid on the base material using the slot die, the base material being subjected to tension by the pressure reducing chamber, wound around the backup roller and continuously moved, wherein when A=?×V×h×L×1/D3, the coating liquid is coated under 2 N/m2?A?700 N/m2, where ? is coating liquid viscosity, V is a coating speed, h is a coating film thickness in a wet state, L is a slot length, and D is a slot width.