Abstract: The object of the present invention is to provide an ink composition for heatset offset printing which has an excellent drying property, does not cause skinning during storage of ink composition, and has excellent stability on press in printing. The present invention is an ink composition for heatset offset printing containing a pigment, a binder resin, a petroleum solvent, and at least one kind of vegetable oil component selected from the group consisting of a vegetable oil and a fatty acid ester thereof, the content of the vegetable oil component being 20% by mass or less, and the ink composition further containing: 0.008 to 0.7% by mass of a metal soap drier based on the mass of the metal contained in the drier; 0.008 to 12% by mass of at least one kind selected from the group consisting of a polyvalent carboxylic acid, a derivative thereof, tocopherol, and tocotrienol; and 0.08 to 12% by mass of a phenolic antioxidant.

Abstract: It is an object of the present invention to provide a liquid developer in which in liquid developers for electrophotography or electrostatic recording obtained using the coacervation method, electric resistance of the liquid developer and the electrophoretic property or the charging characteristic of the toner particles are adequately maintained, and the dispersibility of a pigment and the dispersion stability of the toner particles are good. A liquid developer formed by dispersing colored resin particles comprising at least a pigment, a dispersant and a resin in a hydrocarbon insulating medium using a coacervation method, wherein said dispersant is a carbodiimide compound having at least one basic nitrogen-containing group and at least one polyester side chain introduced through a reaction with a carbodiimide group in its molecule, and said resin is an acid group-containing resin and the acid value of the resin is 1 to 100.

Abstract: It is an object of the present invention to provide a method of producing an ink composition for offset printing, which can improve the productivity of inks considerably, and the ink composition for offset printing obtained by the production method. The present invention pertains to a method of producing an ink composition for offset printing, including the steps of wetting 300 parts by mass of a neutral carbon black with 30 to 900 parts by mass of a wetting agent containing at least water, performing flushing of the wetted neutral carbon black using an oil-based varnish for a printing ink containing at least one component of four components consisting of gilsonite, an aliphatic hydrocarbon resin having a softening point of 120 to 125° C., extracted from gilsonite, a petroleum resin and a heavy oil, and then removing the wetting agent.

Abstract: The present invention relates to a gas barrier composite film for a hydrothermally processable package, wherein at least one gas barrier layer containing a gas barrier resin and an inorganic layered compound is interposed between a base film layer and a sealing material layer, and an adhesive layer is further formed on both sides of the gas barrier layer by applying an adhesive composition comprising: a base material mainly comprising a polyurethane resin having at least one functional group selected from the group consisting of an amino group, a hydroxyl group, and a carboxyl group; and a curing agent comprising an isocyanate curing agent and an epoxy curing agent, at the following functional group ratio: I/P=0.3 to 30.0 E/P=1.5 to 25.

Abstract: The present invention aims to provide a photocurable ink composition for ink-jet printing having excellent photocurability, favorable adhesiveness to a substrate, and excellent elongation property and flexibility. The present invention relates to a photocurable ink composition for ink-jet printing containing: a ketone resin having a hydroxyl group; as a photopolymerizable compound, (a) aromatic ring-containing acrylate, which is represented by the following formula (I), and isobornyl acrylate and/or (b) trimethylcyclohexane acrylate, (in the formula, “R” represents an aromatic ring in which a hydrogen atom may be substituted by an alkyl group, and “n” represents an integer from 0 to 5); and a photopolymerization initiator, a blending ratio of said aromatic ring-containing acrylate to said isobornyl acrylate being 70/30 to 30/70 by mass, and a content of said ketone resin having a hydroxyl group being 8 to 20% by mass.

Abstract: The present invention aims to provide a method of producing an ink composition for offset printing, which can improve the productivity of inks considerably, and in which the printing quality of printed substances obtained in using the foregoing ink composition for offset printing for sheet-fed printing is equal to or higher than that of printed substances obtained with the acid powder carbon black, while using the acid carbon black, particularly an acid bead carbon black. The present invention pertains to a method of producing an ink composition for offset printing, including the steps of wetting 100 parts by mass of an acid carbon black having a pH value of 2.0 to 6.0 with 25 to 400 parts by mass of a wetting agent containing at least water, using an oil-based varnish for a printing ink containing an alkyd resin having an acid value of 30 KOH mg/g or less to perform flushing of the wetted acid bead carbon black, and then removing the wetting agent.

Abstract: An object of the present invention is to provide a carbodiimide type compound having high dispersibility and dispersion stability of pigments, fine resin particles, and pigment-resin composite fine particles particularly in a silicone dispersion medium; a pigment dispersion composition and a pigment-resin composite fine particles-containing dispersion composition preferably usable in a wide range of fields such as inks for solvent ink jet, liquid developers, and the like by using the compound; and a liquid developer using such a pigment dispersion composition and/or pigment-resin composite fine particles-containing dispersion composition. The present invention provides a carbodiimide type compound obtained by introducing a polysiloxane chain by reaction of a functional group of a polysiloxane chain-containing compound having the functional group reactive with a carbodiimide group with a carbodiimide group of a carbodiimide compound having a carbodiimide equivalent weight of 100 to 50000.

Abstract: The present invention aims to provide a method of producing an ink composition for offset printing, which can improve the productivity of inks considerably while using a neutral carbon black and in which the printing quality of printed substances obtained by using the ink obtained by the method to perform sheet-fed printing is higher than that of printed substances using an acid carbon black, and an ink composition for offset printing prepared by the production method. The present invention pertains to a method of producing an ink composition for offset printing, including the steps of wetting 300 parts by mass of a neutral carbon black with 100 to 900 parts by mass of a wetting agent containing at least water, using an oil-based varnish for a printing ink containing an alkyd resin having an acid value of 30 KOH mg/g or less to perform flushing of the foregoing wetted neutral carbon black, and then removing the wetting agent.

Abstract: It is an object of the present invention to provide a liquid developer in which, in liquid developers for electrophotography or electrostatic recording, the adverse effect on electric resistance of the liquid developer and the electrically charged characteristics of toner particles is minimized and the dispersibility of a pigment and the dispersion stability of the toner particles are improved. The present invention relates to a liquid developer, which is obtained by dispersing colored resin particles encapsulating a pigment in an insulating hydrocarbon organic solvent by a wet-grinding method using a dispersant, wherein the dispersant is a polyester side chain-containing carbodiimide type compound formed by introducing a polyester side chain into a molecule of a carbodiimide compound through a reaction with a carbodiimide group.

Abstract: A purpose of the present invention is to provide a treated pigment usable in fields where the pigment is required to give high transparency and a high contrast ratio in the case where an organic pigment is used as the pigment by treating primary particles of the pigment and making the particles finer and more uniform and dispersing the particles. The present invention provides a treated pigment obtained by grinding down a pigment by friction with an inorganic salt using a kneading apparatus having three agitation blades respectively made movable in an autorotation manner and simultaneously in a revolution manner.

Abstract: The present invention provides a pigment dispersion composition which has good fluidity and dispersion stability even in the case of having a high pigment concentration and exhibits excellent development characteristics when it is used for the areas requiring development characteristics such as a resist composition for a color filter or a resist composition for a black matrix. The pigment dispersion composition of the present invention is a pigment dispersion composition formed by dispersing a pigment in a dispersion medium, wherein the surface of said pigment is coated with an acid radical-containing reactant produced by the reaction of a carbodiimide compound having at least one carbodiimide group with an acid radical-containing resin having an acid value of 20 to 300 mgKOH/g and a weight average molecular weight of 1000 to 100000.

Abstract: The present invention has its object to provide a coating material with a gas-barrier property which can give a very transparent packaging material with a satisfactory gas-barrier property when it has a thin gas-barrier layer and, when it has a gas-barrier layer with an ordinary thickness, can give a packaging material with a higher gas-barrier property, a process for producing such coating material with a gas-barrier property, and a packaging container with a high gas-barrier level obtained by coating with such coating material with a gas-barrier property. The present invention provides a coating material composition with a gas-barrier property which comprises, as essential components, an ethylene-vinyl alcohol copolymer (A) obtained by saponifying an ethylene-vinyl acetate copolymer, an inorganic layered compound (B) and a solvent, wherein the total amount of (A) and (B) is 1 to 30% by mass and the mass ratio (A)/(B) is (30/70) to (50/50).

Abstract: A process for producing a resin-coated pigment capable of providing an ink and a paint being superior in dispersion stability of a pigment and having rapid drying property, high gloss and density without containing those such as an organic solvent and a salt that cause the lowering of performance of pigment dispersion, characterized in that a pigment is dispersed in an aqueous solution in which an anionic group-containing resin is dissolved in the presence of a basic compound and then, the anionic group-containing resin is precipitated on the surface of the pigment by removing the basic compound in the aqueous solution, using an ion exchange means.

Abstract: The present invention provides a nickel compound-containing solution having suitability for screen printing, and a method of forming a nickel metal thin film comprising applying the nickel compound-containing solution by screen printing. In a nickel compound obtained by reacting a reducing compound with nickel salt of organic acid, a nickel compound-containing solution, in which a nickel compound is stable and dissolved in terpineol, can be provided by using the specific structure compound as the reducing compound. This solution or the solution further containing resin such as cellulose and the like has the viscosity suitable for screening printing. A nickel metal thin film can be formed by applying the nickel compound-containing solution onto a substrate with screen printing and then heat-treating.

Abstract: A pigment dispersion composition which can be suitably applied in such fields as color filters, black matrices and ink jet recording where it is necessary to finely disperse pigments still with retention of good dispersion stability and temporal stability even when the total amount a pigment derivative, pigment intermediate, colorant derivative and colorant intermediate, and/or a pigment dispersant is small. Another object is a pigment dispersion-based resist composition which can give color filters high in permeability, excellent in contrast and causing no bleeding or black matrices high in light-shielding and insulating properties, and causing no bleeding.

Abstract: A treated pigment and a dispersion composition thereof having preferable dispersion stability and fluidity in a dispersion medium even the pigment has no functional group reactive with a carbodiimide group on the surface thereof, and further to provide a resist composition exerting very excellent developing characteristics when forming color filters, black matrices and the like patterns. Furthermore, the invention also provides a compound for pigment treatment suited for the treatment of such pigment. A treated pigment which is producible by the treatment with a carbodiimide-based compound having at least one side chain selected from the group consisting of polyester side chains, polyether side chains and polyacrylic side chains and at least one basic nitrogen-containing group within the molecule.

Abstract: An ink-jet recording oil-based ink which has satisfactory pigment dispersibility both at the beginning of storage and even during long-term storage and provides excellent spouting stability without being influenced by temperature changes in printing circumstances. The ink comprises a pigment; a dispersing agent comprising a reaction product of a polyamine compound and a self condensation product of 12-hydroxystearic acid; a saturated hydrocarbon solvent comprising a liquid paraffin as a main component; and a vegetable oil, the ink having a surface tension of 26 to 30 dyne/cm at 25° C. and a contact angle on a polytetrafluoroethylene plate of 40° to 50° at 25° C., and satisfying the following relationship: WHC/WVC>10 wherein WHC is the weight of the saturated hydrocarbon solvent and WVC is the weight of the vegetable oil.

Abstract: An oil-based ink for ink-jet recording comprising mainly an organic solvent, a pigment and a dispersing agent, said organic solvent comprising a saturated hydrocarbon solvent and a vegetable oil in a weight ratio of 100:(10 to 100), in order to provide an oil-based ink for ink-jet recording which possesses good spouting stability and storage stability without being influenced by temperature changes in printing circumstances, and causes little cockling.

Abstract: A pigment dispersion is disclosed which comprises a pigment dispersant, a nonaqueous solvent and optionally a binder resin, wherein the pigment dispersion comprises as the pigment dispersion at least 0.2 parts by weight of a modified novolak resin (A) relative to 100 parts weight of the pigment, the modified novolak resin (A) having an aromatic ring and a ring structure given by ring opening of an epoxy group by a carboxyl group of a hydroxycarboxylic acid or a derivative thereof. An ink composition for offset printing containing the pigment dispersion is also disclosed.

Abstract: The invention relates to ink compositions for ink-jet recording which can avoid clogging of nozzles. An ink composition for ink-jet recording comprising a pigment and a compound containing 5 to 90 moles of ethylene oxide per 1 mole of polyglycerin having a polymerization degree of 2 to 10 in an aqueous medium is provided.