Abstract: A resin composition for laser engraving is provided that includes (a) a binder polymer having a reactive group, (b) a compound having a hydrophilic group and a bonding group that can react with the reactive group, and (c) a crosslinking agent.

Abstract: The present invention provides a planographic printing plate precursor including on a support a photosensitive layer that contains a polymerizable composition containing a specific binder polymer having a repeating unit of formula (I), an infrared absorbent, a polymerization initiator and a polymerizable compound, wherein R1 represents a hydrogen atom or a methyl group; R2 represents a linking group which includes two or more atoms selected from a carbon atom, a hydrogen atom, an oxygen atom, a nitrogen atom and a sulfur atom and has a number of atoms of 2 to 82; A represents an oxygen atom or —NR3— in which R3 represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 10 carbon atoms; and n represents an integer of 1 to 5. The invention also provides a planographic printing plate precursor provided with a specific photosensitive layer with respect to an alkaline developer.

Abstract: A colored curable composition including: (A) a pigment dispersion containing (a-1) a pigment, (a-2) a compound having a pigment mother nucleus structure and an amino group in a molecule, and (a-3) a resin having an acid group and a polymerizable group; (B) an oxime ester initiator; and (C) a polymerizable compound.

Abstract: A composition for use in laser decomposition includes (A) at least one of a polymer having a nitrogen atom-containing hetero ring and a polymerizable compound having a nitrogen atom-containing hetero ring; and (B) a metal ion.

Abstract: A printing plate precursor for laser engraving, including a relief forming layer including a cured resin material formed by thermally crosslinking a resin composition including at least (A) non-porous inorganic particles, (B) a binder polymer having a glass transition temperature (Tg) of 20° C. or higher, and (C) a crosslinking agent.

Abstract: A decomposable resin composition containing a metathesis catalyst and a polymer compound.

Abstract: A method for preparing a lithographic printing plate includes treating a lithographic printing plate precursor including a hydrophilic support and an image-forming layer containing the following (i) to (iii) with an aqueous solution having a buffering ability: (i) a binder polymer comprising a repeating unit having a structure represented by the following formula (1); (ii) an ethylenically unsaturated compound; and (iii) a polymerization initiator, P-L-(CO2H)n ??(1) wherein P represents a part constituting a main chain skeleton of the polymer, L represents an (n+1) valent connecting group, and n represents an integer of 1 or more.

Abstract: The present invention provides a resin composition for laser engraving, including at least a complex between a layered inorganic compound and a cationic organic compound, and a binder polymer that is insoluble in water and soluble in an alcohol having 1 to 4 carbon atoms; a relief printing plate precursor for laser engraving using the same, a relief printing plate; and a method of producing the relief printing plate.

Abstract: A relief printing plate precursor for laser engraving, including a relief forming layer that includes a peroxide and a binder polymer, and includes a crosslinked structure.

Abstract: The present invention provides a resin composition for laser engraving, containing at least an inorganic porous material, a binder polymer, a thermopolymerization initiator and a polymerizable compound; a relief printing plate precursor for laser engraving using the same; a relief printing plate; and a method of producing the relief printing plate.

Abstract: A resin composition for laser engraving, including: a binder polymer; and a metal compound containing a metal selected from the group consisting of metals in Group 1 to Group 15 in the periodic table.

Abstract: A polymerizable composition comprising: a polyurethane resin synthesized by using a compound represented by the following formula (I) as one of starting materials; a photopolymerization or thermal polymerization initiator; and an addition-polymerizable compound having an ethylenically unsaturated bond: wherein X represents a tri- or higher valent atom; R1 and R2 each independently represent a single bond or an alkylene group optionally having a substituent, provided that R1 and R2 do not represent a single bond at a same time; A represents a straight chain linking group; and n is an integer of from 1 to 5.

Abstract: A relief printing plate precursor for laser engraving, including a relief forming layer containing (A) a polymerizable compound having an ethylenic unsaturated bond, (B) a binder polymer, and (C) a compound having deodorizing ability.

Abstract: The invention provides a relief printing plate precursor for laser engraving, comprising a relief forming layer, the relief forming layer comprising a resin composition for laser engraving, and the resin composition for laser engraving comprising a binder polymer (A) that is insoluble in water and soluble in an alcohol having 1 to 4 carbon atoms. The invention further provides a method for manufacturing a relief printing plate having crosslinking components of the relief forming layer and laser engraving the relief forming layer, and a relief printing plate formed thereby.

Abstract: The invention provides a resin composition for laser engraving, containing at least (A) a polymerizable compound having two or more ethylenic unsaturated bonds, a carbon-sulfur bond being contained at the site where two among the two or more ethylenic unsaturated bonds are connected and (B) a binder polymer. The invention further provides an image forming material containing the resin composition, a relief printing plate precursor having a relief forming layer which contains the resin composition, a relief printing plate precursor having a relief forming layer which contains a product formed by subjecting the resin composition to cross-linking, a method for manufacturing a relief printing plate including subjecting the relief printing plate precursor having the relief forming layer which contains the resin composition to cross-linking, and a relief printing plate manufactured by the manufacturing method.

Abstract: The invention provides a resin composition for laser engraving, having a binder polymer containing at least one of a structure unit represented by the following Formula (I) or a structure unit represented by the following Formula (II). In the Formulae, Q represents a partial structure which provides an acid group having an acid dissociation constant pKa of 0 to 20 when it is in the form of -Q-H; R1 to R3 each independently represent a hydrogen atom or a monovalent organic group; and A and B each independently represent a bivalent organic connecting group. The invention further provides a relief printing plate precursor having a relief forming layer containing the resin composition, a method for manufacturing a relief printing plate having crosslinking components of the relief forming layer and laser engraving the relief forming layer, and a relief printing plate formed thereby.

Abstract: A resin composition for laser engraving includes a binder polymer including a polyester, and an oxy compound of at least one of metal and metalloid selected from Groups 1 to 16 of periodic table.

Abstract: A laser-decomposable resin composition contains: a compound including at least one structure selected from a carboxyl group and a carboxylic acid anhydride structure and at least one hetero atom selected from N, S and O atoms other than the structure; and a binder polymer.

Abstract: The invention provides a method of manufacturing a relief printing plate having at least engraving an area which is in a relief forming layer of a relief printing plate precursor for laser engraving and is to be exposed by scanning exposure using a fiber-coupled semiconductor laser which emits laser beam with a wavelength of 700 nm to 1,300 nm. The relief printing plate precursor has at least a relief forming layer provided over a support, and the relief forming layer contains at least a binder polymer and a photo-thermal conversion agent. The invention further provides a relief printing plate precursor for laser engraving which can be used in the method of manufacturing a relief printing plate.

Abstract: The present invention provides a resin composition for laser engraving containing at least an acetylene compound and a binder polymer, a relief printing plate precursor for laser engraving using the same, a relief printing plate, and a method for producing a relief printing plate.