Abstract: An object is to provide a method for manufacturing an aluminum plate having a plurality of through-holes in a thickness direction in which the locations of the through-holes are controlled and a manufacturing apparatus that is used in the method for manufacturing the aluminum plate. A method for manufacturing an aluminum plate of the present invention is a method for manufacturing an aluminum plate having a plurality of through-holes in a thickness direction, the method including a coating-forming step of forming a coating of an aluminum compound on a surface of an aluminum substrate having a thickness of 5 to 1,000 ?m, a partial coating removal step of removing, out of the coating, the coating present on portions in which the through-holes need to be formed, and a through-hole-forming step of forming the through-holes in the aluminum substrate by carrying out an electrochemical melting treatment on the aluminum substrate after the partial coating removal step.

Abstract: An object of the present invention is to provide a method for manufacturing an aluminum plate which is simple, is high in productiveness, allows the use of arbitrary aluminum materials, and can be suitably used for collectors having excellent adhesiveness to active material layers, a collector for a storage device, and a storage device. The method for manufacturing an aluminum plate of the present invention is a method for manufacturing an aluminum plate having an aluminum substrate having a plurality of through holes in a thickness direction, including an oxidized film-forming step of forming an oxidized film by carrying out an oxidized film-forming treatment on a surface of the aluminum substrate having a thickness in a range of 5 ?m to 1,000 ?m and a through hole-forming step of forming through holes by carrying out an electrochemical dissolution treatment after the oxidized film-forming step.

Abstract: An object is to provide a method for manufacturing an aluminum plate having a plurality of through-holes in a thickness direction in which the locations of the through-holes are controlled and a manufacturing apparatus that is used in the method for manufacturing the aluminum plate. A method for manufacturing an aluminum plate of the present invention is a method for manufacturing an aluminum plate having a plurality of through-holes in a thickness direction, the method including a coating-forming step of forming a coating of an aluminum compound on a surface of an aluminum substrate having a thickness of 5 to 1,000 ?m, a partial coating removal step of removing, out of the coating, the coating present on portions in which the through-holes need to be formed, and a through-hole-forming step of forming the through-holes in the aluminum substrate by carrying out an electrochemical melting treatment on the aluminum substrate after the partial coating removal step.

Abstract: The present invention provides a gas separation composite which has high heat resistance and mechanical strength, prevents a support layer from being deformed or damaged by heat during formation of a gas separation membrane and heat during a gas separation operation, and properly supports a gas separation layer to obtain high gas permeability and gas separation properties; and a method of producing the gas separation composite. The gas separation composite includes a metal support having a plurality of through holes in the thickness direction and a gas separation layer laminated on the surface of the metal support. The thickness of the gas separation layer is in a range of 0.1 to 5 ?m, the average opening diameter of the through holes of the metal support is in a range of 0.1 to 30 ?m, and the opening ratio thereof is in a range of 0.05% to 10%.

Abstract: A manufacturing method of a support for a planographic printing plate including at least an alkaline etching step of dissolving an aluminum surface layer of an aluminum web with an alkaline solution during a surface roughening treatment on a surface of the aluminum web continuously traveling, the manufacturing method comprising: a circulating step of cyclically using the alkaline solution between a treatment tank for the etching and an alkaline solution reservoir during adjusting composition concentration of the alkaline solution; and a filtering step of filtering the alkaline solution cyclically used so as to remove solid matter in the alkaline solution.

Abstract: The present invention provides a gas separation composite which has high heat resistance and mechanical strength, prevents a support layer from being deformed or damaged by heat during formation of a gas separation membrane and heat during a gas separation operation, and properly supports a gas separation layer to obtain high gas permeability and gas separation properties; and a method of producing the gas separation composite. The gas separation composite includes a metal support having a plurality of through holes in the thickness direction and a gas separation layer laminated on the surface of the metal support. The thickness of the gas separation layer is in a range of 0.1 to 5 ?m, the average opening diameter of the through holes of the metal support is in a range of 0.1 to 30 ?m, and the opening ratio thereof is in a range of 0.05% to 10%.

Abstract: An object of the present invention is to provide a method for manufacturing an aluminum plate which is simple, is high in productiveness, allows the use of arbitrary aluminum materials, and can be suitably used for collectors having excellent adhesiveness to active material layers, a collector for a storage device, and a storage device. The method for manufacturing an aluminum plate of the present invention is a method for manufacturing an aluminum plate having an aluminum substrate having a plurality of through holes in a thickness direction, including an oxidized film-forming step of forming an oxidized film by carrying out an oxidized film-forming treatment on a surface of the aluminum substrate having a thickness in a range of 5 ?m to 1,000 ?m and a through hole-forming step of forming through holes by carrying out an electrochemical dissolution treatment after the oxidized film-forming step.

Abstract: An electrolytic treatment method and electrolytic treatment device are provided for electrolytic treatment of an aluminum web W by applying an alternating current to an upstream electrode and a downstream electrode disposed along a conveying direction a. At least one of a conveying velocity v of the aluminum web W, a frequency f of alternating current applied at the upstream electrode and the downstream electrode, and/or a web conveying direction separation distance d2 between the upstream electrode and the downstream electrode are set such that the alternating current and voltage waveform applied to the aluminum web W at the far end of the upstream electrode and the alternating current and voltage waveform applied to the aluminum web W at the near end of the downstream electrode do not reinforce each other.

Abstract: An aluminum support is manufactured at lower cost by efficiently performing a surface roughening treatment with dispersed pits formed on the aluminum support. In an electrolytic surface roughening treatment method for performing an electrolytic surface roughening treatment on a strip-shaped metal as being conveyed in an acidic electrolytic solution by applying an alternating waveform voltage, the method includes a step of applying a negative voltage to the metal plate at least once while the alternating waveform voltage is being applied so that the metal plate assumes a negative polarity.

Abstract: A method for producing a lithographic printing plate original plate, the method comprising an electrolytic surface-roughening treatment step to perform an electrolytic surface-roughening treatment of an aluminum support body, wherein, in the electrolytic surface-roughening treatment step, an electrolysis treatment is performed in an acidic solution having a dissolved oxygen concentration of 6.0 mg/l or less.

Abstract: An electrolytic treatment apparatus according to one aspect of the subject matter includes: a transportation device configured to transport a metal plate; an electrolytic bath configured to store an acidic electrolytic solution, wherein the metal plate is transported inside the electrolytic bath; a current supplying device configured to supply an alternating waveform current to continuously subject a surface of the metal plate to an alternating current electrolytic treatment with the alternating waveform current; and a hydroxide ion-adding device installed in an inlet of the electrolytic bath through which the metal plate is introduced into the electrolytic bath, the hydroxide ion-adding device configured to add hydroxide ions (OH?) on a surface of the metal plate before the surface of the metal plate is subjected to the alternating current electrolytic treatment.

Abstract: An electrolytic treatment method and electrolytic treatment device are provided for electrolytic treatment of an aluminum web W by applying an alternating current to an upstream electrode and a downstream electrode disposed along a conveying direction a. At least one of a conveying velocity v of the aluminum web W, a frequency f of alternating current applied at the upstream electrode and the downstream electrode, and/or a web conveying direction separation distance d2 between the upstream electrode and the downstream electrode are set such that the alternating current and voltage waveform applied to the aluminum web W at the far end of the upstream electrode and the alternating current and voltage waveform applied to the aluminum web W at the near end of the downstream electrode do not reinforce each other.

Abstract: A presensitized plate comprising a support for a lithographic printing plate including an anodized layer formed on an aluminum plate and a recording layer recordable by infrared laser exposure on the support, wherein in a section of the anodized layer after the recording layer is provided, an atomicity ratio of carbon to aluminum (C/Al) represented by Auger Electron Spectroscopic analysis is 1.0 or less. In the case of being used as an on-machine development type, it exhibits a good on-machine development characteristic, a high sensitivity, a high press life, and high scum resistance during printing and while left (ink discharging). In the case of being used as a conventional thermal positive or negative working type, it exhibits an efficient use of heat for image formation, a high sensitivity, a high press life, and a slight possibility of scum occurrence at non-image areas.

Abstract: This invention provides a support for a lithographic printing plate, and an original form of a heat-sensitive lithographic printing plate, which comprises a hydrophilic film formed on a metallic base whose surface has been roughened, said hydrophilic film having a heat conductivity of 0.05–0.5 W/(m·K) in the direction of its film thickness, which when used as the development on machine type, exhibits good on-press, or good non-treatment developability, a high sensitivity, a long press life and a preferable stain resistance and ink removal property upon printing and which, when used as a conventional thermal positive or negative type, makes efficient utilization of heat for the formation of image, has a high sensitivity and exhibits a long press life and a good stain resistance in a nonimage area, wherein the non-treatment in which the development is not performed.

Abstract: Disclosed is a lithographic printing plate support obtainable by subjecting an aluminum plate to an electrochemical graining treatment with an aqueous solution containing hydrochloric acid, anodizing treatment and alkali metal silicate treatment at least, wherein: a surface of the support has a grained shape in which large pits with a mean aperture diameter of 2 to 10 ?m and small pits with a mean aperture diameter of 0.05 to 0.8 ?m overlap with each other, with the mean ratio of depth to aperture diameter of the small pits being 0.2 to 0.

Abstract: A presensitized plate in which an image recording layer is formed on a support for a lithographic printing plate obtainable by performing a treatment with an aqueous solution containing one or more divalent or multivalent cations at a concentration ranging from 0.0001 mol/L to less than 0.020 mol/L is excellent in both scum resistance and press life when processed into a lithographic printing plate.

Abstract: The present invention provides a thermal type planographic printing plate which is writable by infrared laser beam exposure, can record images with high sensitivity and can provide a high quality printed matter which does not have stains. The planographic printing plate comprises a recording layer which is writable by infrared-laser exposure on a support formed with an anodic oxidation coating having a predetermined density and/or vacancy ratio on a roughened surface of an aluminum substrate.

Abstract: Disclosed is a support for a lithographic printing plate, wherein an adhering amount of a rare-earth element atom to a surface thereof is 0.1 to 20 mg/mg2, and a presensitized plate provided with an image recording layer on the support for a lithographic printing plate. The presensitized plate achieving both high scum resistance and long press life can be realized, which is the same in the case the image recording layer containing an infrared absorbent, where scum would easily occur, is provided onto the support.

Abstract: Disclosed is a support for a lithographic printing plate obtainable by performing at least graining treatment on an aluminum plate, having on its surface thereof, a grain shape with a structure in which a grained structure with medium undulation of 0.5 to 5 ?m average aperture diameter and a grained structure with small undulation of 0.01 to 0.2 ?m average aperture diameter are superimposed, and a presensitized plate provided with an image recording layer on the support for a lithographic printing plate. By using this presensitized plate, a balance between scum resistance and press life when a lithographic printing plate is produced therefrom, which has been in a trade-off relation in the past, can be maintained at a high level.

Abstract: The bid management unit has a lockout management section that determines whether to impose restrictions on submission of bid information by a participant terminal according to a predetermined determination condition, and a lockout timer that control a timing to perform determination in the lockout management section. The bid management unit activates the lockout timer upon occurrence of a predetermined lockout timer start event. Further, the bid management unit imposes restrictions on receipt of bid information from the participant terminal according to the determination in the lockout management section.