摘要:
There is provided a carbon material dispersion in which a carbon material containing a carbon nanotube is dispersed favorably without substantially producing a coarse aggregate irrespective of liquid compositions and dispersion methods, the carbon material dispersion excellent in viscosity stability. The carbon material dispersion excluding one that contains a volatile salt contains: a carbon material containing a carbon nanotube; a liquid medium; and a dispersant. The content of the dispersant in terms of solid content based on 100 parts by mass of the carbon material is 204 parts by mass or less, and when a dilute dispersion is obtained by diluting the carbon material dispersion with a diluent comprising the liquid medium such that absorbance at a wavelength WM, which is a median value of an arbitrary wavelength WL within a range of 350 to 550 nm and an arbitrary wavelength WH within a range of 650 to 850 nm, is 1.8±0.02, a ratio of absorbance AL at the wavelength WL to absorbance AH at the wavelength WH, (AL/AH), is 1.60 or more for the dilute dispersion.
摘要:
Provided is a pigment composition that includes an isoindoline compound, has excellent dispersibility, weather resistance and heat resistance, and good storage stability, and is capable of forming images having high chroma and the like, the pigment composition including an isoindoline compound represented by formula (1) and an isoindoline compound represented by formula (2). Also provided are a colorant composition, a coating material, an ink, an ink set, a printed matter, and a packaging material.
摘要:
The present invention provides: an aqueous pigment dispersion characterized by comprising a first dispersant, a second dispersant, water, and an azo pigment which is represented by formula (1) given in the description and which, in analysis by diffractometry with CuKα characteristic X-ray, shows characteristic X-ray diffraction peaks at least at Bragg angles (2θ±0.2°) of 4.8°, 7.2°, 9.7°, 20.0°, 17.3°, 26.0°, and 26.7° and/or a tautomer of the azo pigment and characterized by being obtained via the following step b; a process for producing the aqueous pigment dispersion; a coloring composition comprising the aqueous pigment dispersion; an ink composition; an ink composition for ink-jet recording; and an ink-jet recording method which comprises using the ink composition for ink-jet recording. Step b: a step in which an azo pigment represented by formula (1) and/or a tautomer thereof, a first dispersant, and a second dispersant are dispersed in water to obtain an aqueous pigment dispersion.
摘要:
Provided is a near infrared absorbing fine particle dispersion liquid, which can be applied to offset printing, including: a solvent of one or more kinds selected from vegetable oils and vegetable oil-derived compounds; near infrared ray-absorbing fine particles of one or more kinds selected from composite tungsten oxide expressed by M x W y O z or tungsten oxide having a Magneli phase expressed by a general formula W y O z ; a solvent of one or more kinds selected from alcohols, ethers, esters, ketones, aromatic hydrocarbons and glycol ethers and having a boiling point of 180 °C or less, wherein a content of the solvent of one or more kinds selected from alcohols, ethers, esters, ketones, aromatic hydrocarbons and glycol ethers is 5 mass% or less.
摘要:
Provided is a near infrared absorbing fine particle dispersion liquid, which can be applied to a base material such as an acrylic resin base material having a low solvent resistance, including: a solvent of one or more kinds selected from petroleum-based solvents; near infrared absorbing fine particles of one or more kinds selected from 10 mass% more and 25 mass% or less of a composite tungsten oxide expressed by M x W y O z , and / or a magneli phase expressed by the general formula W y O z ; and a dispersant having a fatty acid in its structure and soluble in the solvent, wherein a viscosity is 180 mPa/S or less.
摘要:
A nanoparticle-containing solution comprising nanoparticles of a metal oxide, and a solution obtained by dissolving, in an organic solvent, a phosphoric acid ester and a reactive group-containing carbonyl compound as hydrophobic treatment agents, the phosphoric acid ester having an alkylene oxide chain, and an alkyl group or allyl group at an end, and the reactive group-containing carbonyl compound having at least a vinyl group and a carboxyl group or cyclic ester group, and having a solubility parameter calculated by Fedors' method of 10.0 to 12.5.
摘要:
Provided is a near infrared absorbing fine particle dispersion liquid, which can be applied to offset printing, including: a solvent of one or more kinds selected from vegetable oils and vegetable oil-derived compounds; near infrared ray-absorbing fine particles of one or more kinds selected from composite tungsten oxide expressed by M x W y O z or tungsten oxide having a Magneli phase expressed by a general formula W y O z ; a solvent of one or more kinds selected from alcohols, ethers, esters, ketones, aromatic hydrocarbons and glycol ethers and having a boiling point of 180 °C or less, wherein a content of the solvent of one or more kinds selected from alcohols, ethers, esters, ketones, aromatic hydrocarbons and glycol ethers is 5 mass% or less.
摘要:
Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit printed matter using near infrared absorbing fine particles. Also provided are a near infrared absorbing fine particle dispersion liquid containing a solvent of one or more kinds selected from vegetable oils or vegetable oil-derived compounds; near infrared absorbing fine particles in an amount of 2 mass% or more and 25 mass% or less, selected from one or more kinds of hexaboride fine particles expressed by a general formula XB a (wherein element X is at least one or more kinds selected from a group consisting of La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Y, Sm, Eu, Er, Tm, Yb, Lu, Sr, and Ca, satisfying 4.0 ≤ a ≤ 6.2); and a dispersant soluble in the solvent and having a fatty acid in its structure, wherein viscosity is 180 mPa/S or less, and an anti-counterfeit ink composition containing the near infrared absorbing fine particle dispersion liquid. Also provided is an anti-counterfeit printed matter excellent in anti-counterfeit effect due to the printed matter containing the near infrared absorbing fine particles.