Abstract: The invention relates to a pigment dispersion comprising: a condensate of or a salt between a polyallylamine and a polyester having a free carboxylic acid or the salt; a pigment derivative represented by the following general formula (1); a pigment; and an organic solvent,

Abstract: The invention relates to a nonaqueous ink-jet ink comprising at least two kinds of mixed organic solvents, a pigment and a resin, wherein all of the following mathematical formulae (1) (2) and (3) are satisfied in which when the total amount of the mixed organic solvents is regarded as 1, weight ratios of the respective organic solvents are x1, x2 . . . xn wherein n represents an integer; vapor pressures (mmHg) of the respective organic solvents at 20° C. are y1, y2 . . . yn wherein n represents an integer; A=x1y1+x2y2+ . . . +xnyn; and B=x1/y1+x2/y2+ . . .

Abstract: A colored composition contains a colorant carrier including a transparent resin, a precursor thereof, or a mixture of the transparent resin and the precursor, a colorant, and an organic liquid medium. The organic liquid medium consists of an organic solvent (a) having a boiling point at 760 mmHg of 100° C. or higher but lower than 160° C., and an organic solvent (b) having a boiling point at 760 mmHg of 160° C. or higher but lower than 215° C. The organic solvent (b) is contained in an amount of 3% to 35% by weight based on the total amount of the colored composition.

Abstract: The invention relates to a pressure sensitive adhesive composition containing an acrylic polymer having a weight average molecular weight of 300,000 or higher and produced copolymerizing: a C1-14 alkyl (meth)acrylate; 0.2 to 1.

Abstract: A pigment composition which shows excellent flowability and stability with time, when used for an ink, and whose printed matter shows an excellent gloss, clearness, color strength and migrationfastness, and an ink composition, which pigment composition is formed of a phthalocyanine type pigment and a compound of the formula (1), P-[SO3−.Fen+/n]m  (1)  (wherein P is a metal-free or metal phthalocyanine residue which may be substituted with a chlorine atom, a bromine atom or both of them, n is 2 or 3 and m is a number of 1 to 4).

Abstract: The invention relates to an exposure apparatus, in particular for wavelength-dependent light outcoupling, in which at least one preferably wavelength-dependent mirror layer is located within an exposure beam path of a lamp, which mirror layer is used to divide the beam path into a spectral portion used for exposure, and into an unused spectral portion. The object of the invention is to provide an exposure apparatus and a method with which the quality of exposure can be optimized using simple means. The object on which the invention is based is attained according to the invention by locating a mirror in the beam path of the unused region of the spectrum that reflects the unused spectral range in the direction of a mirror layer, and a portion of this is projected onto a viewing screen for adjustment purposes.

Abstract: A Ti alloy for a positive electrode for electrocoagulation printing contains, as a weight percentage, 28.0 to 35.0% of Al, 0.1% or less of C, 0.05% or less of N, 0.3% or less of O, and Ti. The Ti alloy may further contain one or more elements selected from the group consisting of 0.5 to 15.0% of Nb, 0.5 to 15.0% of Ta, 0.1 to 1.0% of Hf, 0.1 to 1.0% of Zr, 1.0 to 6.0% of W, 1.0 to 6.0% of Mo, 0.5 to 6.0% of Cr, 0.5 to 6.0% of Mn, 0.5 to 6.0% of V, 0.1 to 1.0% of Si, and 0.005 to 0.10% of B, by weight. A positive electrode for electrocoagulation printing has a surface composed of a Ti alloy containing Al.

Abstract: The present invention relates to an aqueous pigment dispersion that shows excellent dispersibility and storage stability, an inkjet ink that shows excellent jetability, water resistance, and adhesion, and a process for producing an aqueous pigment dispersion that shows excellent dispersibility and storage stability, as well as superior jetability, water resistance and adhesion. An aqueous pigment dispersion of the present invention comprises a dispersion formed by dispersing a monoalkyl maleate graft polymer of a maleic anhydride/&agr;-olefin copolymer in water in the presence of a base, a pigment, and an aqueous medium.

Abstract: A colored composition for color filter contains a colorant carrier formed of a transparent resin, a precursor of a transparent resin or a mixture thereof, and a green colorant dispersed in the colorant carrier. The green colorant contains a first halogenated metallophthalocyanine pigment having copper as a central metal, and at least one second halogenated metallophthalocyanine pigment having, as a central metal, a metal selected from the group consisting of Mg, Al, Si, Ti, V, Mn, Fe, Co, Ni, Zn, Ge and Sn. The content of the second halogenated metallophthalocyanine pigment is within a range of 1 to 80 mol % based on a total amount of the green colorant. Also disclosed is a color filter including at least one red filter segment, at least one blue filter segment, and at least one green filter segment. At least one green filter segment is prepared from the above-mentioned colored composition.

Abstract: A method for exposing print media formed as printed plates with the use of UV light from a light source that is modified by a projection unit with respect to direction and/or intensity, the method comprising the steps of in a first process appearing an image of a calculated and stored partial image from the projection unit on the print medium; in a second process positioning the projection unit relative to the print medium by a positioning unit; optimizing joining of partial images into one image by running the first process and the second process in parallel with coordination of the first process and the second process by a higher-level unit via control of lines, and by providing at least one unit in which one or more trigger signals are generated for starting and ending the second process to move the projection unit to a next partial unit, and for the first process for starting and ending an exposure, so that the trigger signals are evaluated by a receiver formed as the higher-level unit.

Abstract: A water-based pigment dispersion comprising 100 parts by weight of a pigment, 3 to 30 parts by weight of a sulfonic acid group-containing pigment derivative and water, wherein the sulfonic acid group-containing pigment derivative has only one sulfonic acid group in a molecule of a pigment of which the type is the same as the type of the pigment to be dispersed, the sulfonic acid group forms at least one salt selected from the group consisting of ammonia salt, an organic amine salt and a salt in which at least 15% of the sulfonic acid group is liberated and the rest is a salt with monovalent metal, the content of metal ion having a valence of at least 2 in a solid matter of the above water-based pigment dispersion is 500 ppm or less, and the above pigment is dispersed in water according to electrostatic repulsion due to the sulfonic acid group-containing pigment derivative adsorbed on the particle surface of the pigment, an inkjet recording liquid containing the same and process for the production thereof.

Abstract: An aqueous emulsion based pressure sensitive adhesive is disclosed that includes water and a water dispersible polymer, and has (1) a viscosity of 100 to 1000 mpa·s, (2) a dynamic surface tension of a water diluted 75% solution thereof of 59 mN/m or more at a discharge frequency of 25 Hz and a temperature of 25° C., and (3) a nonvolatile content of 50 to 70 wt %. This pressure sensitive adhesive is an emulsion composition having low viscosity and ease of handling and causing no coating defects such as ‘cissing’ and ‘retraction’ when coated on a release paper.

Abstract: Disclosed herein is a green pigment composition comprising (a) a green pigment comprising a mixture of fine particles of a halogen-free blue pigment and fine particles of a halogen-free yellow pigment and (b) a halogen-free pigment derivative. Since the green pigment composition of the present invention does not generate the harmful substances such as dioxin and PCB at the time of burning processing, it is environmentally friendly, sanitary, easily recycled, excellent in light resistance and heat resistance and has the hue of clearness.

Abstract: Disclosed is a coloring resin composition comprising a dispersing agent, a pigment and a thermoplastic resin, in which the dispersing agent is expressed by the following Formula 1 and the thermoplastic resin is metallocene polyolefin: CnH2n+1(OCH2CH2)mOH  Formula 1 wherein n is an integer of 26 to 50, and m is an integer of 4 to 100. The composition is useful in coloring molded articles of thermoplastic resin. Colored resin molded articles using the composition are also disclosed.

Abstract: A curable coating composition comprising a polymer of an aromatic vinyl compound and an &agr;,&bgr;-unsaturated carboxylic acid ester; a vegetable oil or a fatty acid ester thereof; and a (metha) acrylic monomer or (metha) acrylic oligomer, and a printing method thereof are disclosed. A printing ink utilizing the curable coating composition of the present invention can be printed with a printing machine used for oil-based inks. At the same time, if in combination with an activation energy beam curable overprint varnish, glossy printed matters having aesthetically high-grade feeling can be obtained.

Abstract: A method for preparing a green pigment composition in which a mixture of a halogen-free organic blue pigment material and a halogen-free organic yellow pigment material are subjected to an atomizing process. The atomizing process is desirably (1) a co-kneading process conducted in the presence of a grinding material, or (2) a process that comprises dissolving the above-mentioned blue pigment material and yellow pigment material in a strong acid to obtain a solution, and injecting this solution into water to obtain a re-deposited substance. The method prevents the “fogging” problem, and provides high quality green shade having simultaneously sufficient light resistance and heat resistance. The resulting organic pigment composition is excellent also in plastics coloring use requiring a heating process at higher temperature, and has high safety/sanitation property, and causes no environmental problem.

Abstract: Disclosed herein is a green pigment composition comprising (a) a green pigment comprising a mixture of fine particles of a halogen-free blue pigment and fine particles of a halogen-free yellow pigment and (b) a halogen-free pigment derivative. Since the green pigment composition of the present invention does not generate the harmful substances such as dioxin and PCB at the time of burning processing, it is environmentally friendly, sanitary, easily recycled, excellent in light resistance and heat resistance and has the hue of clearness.

Abstract: There is disclosed a self-dispersible aqueous pigment dispersion and preparing method thereof, the dispersion comprising an aqueous solution, particles of a pigment and a water-soluble pigment derivative, said particles being dispersed in the aqueous pigment dispersion in a concentration within the range from 2 to 25 wt. % based on the amount of the aqueous pigment dispersion, wherein a part of the water-soluble pigment derivative is adsorbed on the surface of the particles of the pigment to form dispersed particles comprising the particles of the pigment adsorbed by said part of the pigment derivative, and the remaining parts of the water-soluble pigment derivative are free in the dispersion without being adsorbed on the surface of the pigment in a concentration less than the critical flocculation concentration on which flocculation is initiated on said particles of the pigment dispersed under said concentration.

Abstract: An electrocoagulation printing ink contains electrolytically coagulable polymer, soluble electrolyte, coloring agent, and liquid medium, where electrocoagulability is obtained by an electric circuit comprised of capacitor and resistor under constant voltage with the time constant of 0.02 seconds and the electrocoagulability obtained with the time constant of 0.09 seconds have a ratio from 1:1.5 to 1:3.0, hence improving the gradation reproducibility. Further, bisphenol sulfonic acid polymer can be used as a dispersant, and/or, a pigment in which the particle size of the pigment at 50% of the volume accumulation is 0.3 to 2 &mgr;m when dispersed in the ink and a ratio of particles with a particle size equal to or less than 0.2 &mgr;m is equal to or less than 25% by weight in the particle size distribution of the pigment, thereby producing a print free of undesirable background in its non-image region and high of quality.

Abstract: Disclosed is a novel method for ink jet printing on a surface of a substrate made of a synthetic resin, the method comprising the steps of conducting a surface treatment to the surface so as to provide it with a specific surface free energy of 65-72 mJ/m2; providing an activation energy beam-curable ink having a surface tension of 25-40 mN/m; discharging the ink onto the surface with an ink jet printing device thereby forming printed portions of the ink on the surface; and projecting an activation energy beam onto the printed portions. According to the disclosed method, printing articles having desirable image qualities are obtained by achieving a uniform dot diameter of the drop of ink on a synthetic resin substrate by utilizing an ink jet printing process.