Abstract: A method for producing a resin frame equipped membrane electrode assembly includes: a first conveyance step of supporting a sheet-shaped member having a cathode and an electrolyte membrane by a resin frame member to which the sheet-shaped member is joined and linearly conveying the supported sheet-shaped member to a pressure bonding device; a second conveyance step of conveying an anode to the pressure bonding device by way of a rotary table; and a pressure bonding step of heating and pressing the cathode and the anode from above and below by the pressure bonding device to thereby integrate the cathode and the anode together.

Abstract: Provided are: an on-press development type planographic printing plate precursor having a support, an image-recording layer, and an overcoat layer in this order, in which a content of an inorganic compound in the overcoat layer is zero or is more than 0% by mass or less than 1% by mass with respect to a total mass of the overcoat layer, and the image-recording layer contains an infrared absorber, a polymerization initiator, a polymerizable compound, and an oil agent; and a method of preparing a planographic printing plate and a planographic printing method in which the on-press development type planographic printing plate precursor is used.

Abstract: Provided are: a lithographic printing plate precursor having a support and an image-recording layer on the support, in which the image-recording layer contains an onium polymerization initiator, a borate compound, an infrared absorber, a chromogenic agent, and a compound A which is an onium salt formed of a cation having a shape index lower than a shape index of a cationic moiety of the onium polymerization initiator; a method of preparing a lithographic printing plate using the lithographic printing plate precursor; and a lithographic printing method.

Abstract: Provided is an on-press development type lithographic printing plate precursor having a support, an image-recording layer, and an outermost layer in this order, in which the image-recording layer contains an infrared absorber, an electron-donating polymerization initiator, and a polymerizable compound, HOMO of the infrared absorber - HOMO of the electron-donating polymerization initiator is 0.60 eV or less, and the outermost layer contains a discoloring compound. Also provided are a method of preparing a lithographic printing plate and a lithographic printing method in which the on-press development type lithographic printing plate precursor is used.

Abstract: Provided is an on-press development type lithographic printing plate precursor having two or more maximal absorption wavelengths in a wavelength range of 760 nm to 900 nm, in which in a case where the on-press development type lithographic printing plate precursor is subjected to exposure to infrared having a wavelength of 830 nm at an energy density of 110 mJ/cm2, in a portion subjected to the exposure, a brightness change ?L before the exposure and after storage subsequent to the exposure for 24 hours under conditions of 25° C. and 70% RH is 3.0 or more. Also provided are a method of preparing a lithographic printing plate and a lithographic printing method in which the on-press development type lithographic printing plate precursor is used.

Abstract: Provided is an on-press development type lithographic printing plate precursor having a support, an image-recording layer, and an outermost layer in this order, in which the image-recording layer contains an infrared absorber, an electron-accepting polymerization initiator, and a polymerizable compound, LUMO of the electron-accepting polymerization initiator-LUMO of the infrared absorber is 0.45 eV or more, and the outermost layer contains a discoloring compound. Also provided is a method of preparing a lithographic printing plate and a lithographic printing method in which the on-press development type lithographic printing plate precursor is used.

Abstract: An on-machine development lithographic printing plate precursor includes an image-recording layer on an aluminum support having an anode oxide film, wherein an end portion of the lithographic printing plate precursor has a shear droop shape, the image-recording layer contains a compound having a support adsorptive property, having a molecular weight of 1,000 or less, and not having an unsaturated double bond group in a molecule, and a content of the compound is substantially the same in a plane of the image-recording layer.

Abstract: The present invention provides a compound having an excellent control effect on a harmful arthropod. A compound represented by formula (I) [wherein: A represents a CH or a nitrogen atom; R1 represents a hydrogen atom or a NR2R3; R2 and R3 are identical to or different from each other, and each represent a C1-C6 alkyl group, a hydrogen atom, or the like; and n represents 0, 1, or 2] has an excellent control effect on a harmful arthropod.

Abstract: Provided is a lithographic printing method including a preparing step of preparing a lithographic printing plate precursor which includes an aluminum support, and an image recording layer containing an acid color developing agent and an acid generator on the aluminum support, an exposing step of exposing the lithographic printing plate precursor, a developing step of supplying acidic dampening water to the exposed lithographic printing plate precursor and removing a non-image area of the image recording layer, and a printing step, in which the aluminum support includes an anodized aluminum film, the anodized film has micropores, and a value ?S is 15% or greater and 60% or less.

Abstract: Provided is a lithographic printing plate recursor having a support and an image-recording layer on the support, in which the image-recording layer contains an infrared absorber, a polymer A that has a weight-average molecular weight of more than 15,000 and 150,000 or less, and a polymerizable compound B that has a weight-average molecular weight of 1,000 or more and 15,000 or less, and the polymer A is a polymer represented by Formula (I). AP-(BP)nP??Formula (I) In Formula (I), AP represents an nP-valent organic group having a hydrogen bonding group, BP represents a group having 2 or more Polymerizable groups, nP represents an integer of 2 or more, and weight-average molecular weight of AP/(molecular weight of BP×nP) is 1 or less.

Abstract: Provided is a lithographic printing plate precursor having a support and an image-recording layer on the support, in which the image-recording layer contains an infrared absorber, a polymerization initiator, and a polymer A, a weight-average molecular weight of the polymer A is more than 15,000 and 150,000 or less, and an ethylenically unsaturated bond valence of the polymer A is 3.0 mmol/g or more.

Abstract: Provided is an on-press development type lithographic printing plate precursor having a support and an image-recording layer on the support, in which the image-recording layer contains an infrared absorber, a polymerization initiator, a polymerizable compound, and a color-developing substance precursor, and in a case where the image-recording layer is exposed to an infrared laser having a wavelength of 830 nm at an energy density of 110 mJ/cm2, a loss of ethylenically unsaturated bonds in an exposed area in the image-recording layer is 10% to 40% of ethylenically unsaturated bonds in a non-exposed area in the image-recording layer. Also provided is a method for preparing a lithographic printing plate or a lithographic printing method using the on-press development type lithographic printing plate precursor.

Abstract: Provided is an on-machine development type planographic printing plate precursor having a support and an image-recording layer on the support, in which the image-recording layer contains an initiator, an infrared absorber capable of donating electrons to the initiator, and a color-developing substance precursor, the image-recording layer can form an image by exposure to infrared laser, and in a case where the image-recording layer is exposed to an infrared laser with a wavelength of 830 nm at an energy density of 110 mJ/cm2, a brightness change ?L of the image-recording layer before and after the exposure is 3.0 or more. Also provided are a method for preparing a planographic printing plate or a planographic printing method in which the on-machine development type planographic printing plate precursor is used.

Abstract: An object of the present invention is to provide an aqueous developer for a flexographic printing plate capable of maintaining good developability and suppressing aggregation of a dispersion in the developer diluted with water after repeated use, and a manufacturing method of a flexographic printing plate using the same. The aqueous developer for a flexographic printing plate according to the present invention is an aqueous developer for a flexographic printing plate, containing a surfactant represented by Formula (1), and water.

Abstract: An object of the present invention is to provide a water-developable flexographic printing plate precursor which has excellent water developability and exhibits excellent printing durability in a case of being made into a flexographic printing plate, a flexographic printing plate, and a photosensitive resin composition. The water-developable flexographic printing plate precursor of the present invention includes a photosensitive layer, in which the photosensitive layer contains a monomer, a polymerization initiator, a base polymer, and water-dispersible particles, the water-dispersible particles have carbon-carbon double bonds, and an amount of the carbon-carbon double bonds on a surface of the water-dispersible particles is 21 or less.

Abstract: The present invention provides a compound having an excellent control effect on a harmful arthropod. A compound represented by formula (I) [wherein: A represents a CH or a nitrogen atom; R1 represents a hydrogen atom or a NR2R3; R2 and R3 are identical to or different from each other, and each represent a C1-C6 alkyl group, a hydrogen atom, or the like; and n represents 0, 1, or 2] has an excellent control effect on a harmful arthropod.

Abstract: Provided are a planographic printing plate precursor and a method of producing a planographic printing plate precursor, in which an image forming region during printing on newspaper page is ensured and edge stains are eliminated. Provided are a planographic printing plate precursor (10b) including an aluminum support (12) which has an anodized film (14), and an image recording layer (16) on the aluminum support (12), in which an end portion of the planographic printing plate precursor (10b) has a sagging shape having a sagging amount (X) of 25 ?m to 150 ?m and a sagging width (Y) of 70 ?m to 300 ?m, the image recording layer (16) contains an infrared absorbing agent, and a part or an entire side surface of two sides of the aluminum support (12), the two sides having the sagging shape and opposing each other contains an ink repellent agent (44); and a method of producing the planographic printing plate precursor (10b).

Abstract: Provided is to provide a cylindrical printing plate with which printing of excellent solid density and high halftone dot quality is made possible, and further print medium followability and printing durability are excellent, a cylindrical printing plate precursor, a method for manufacturing a cylindrical printing plate precursor, and a method for manufacturing a cylindrical printing plate. A cylindrical printing plate includes a relief layer having a first hard layer, a soft layer, and a second hard layer in this order from a printing surface side, in which a hardness K1 of the first hard layer is 10 MPa or more and less than 20 MPa, a ratio K1/K2 of the hardness K1 of the first hard layer with respect to a hardness K2 of the soft layer is 2.7 or more, a ratio K3/K2 of a hardness K3 of the second hard layer with respect to the hardness K2 of the soft layer is 1.2 or more, a thickness of the first hard layer is 0.05 mm or more and 0.3 mm or less, and a thickness of the soft layer is 0.3 mm or more and 2.

Abstract: Provided are an on-machine development-type lithographic printing plate precursor including: an image-recording layer on an aluminum support having an anode oxide film, in which an end portion of the lithographic printing plate precursor has a shear droop shape, the image-recording layer contains a compound having a support adsorptive property, having a molecular weight of 1,000 or less, and not having an unsaturated double bond group in a molecule, and a content of the compound is substantially the same in a plane of the image-recording layer and a method for producing a lithographic printing plate in which the lithographic printing plate precursor is used.

Abstract: An on-press development type lithographic printing plate precursor including an aluminum support having an anodized film and an image-recording layer provided on the support, a shear droop shape in which an amount X of shear droop is from 25 to 150 ?m and a width Y of shear droop is from 70 to 300 ?m is provided on an edge portion of the lithographic printing plate precursor, and an area ratio of cracks present on a surface of the anodized film in a region corresponding to the width of shear droop Y of the lithographic printing plate precursor is 30% or less, and a method for producing a lithographic printing plate using the on-press development type lithographic printing plate precursor are provided.