Abstract: A hole-injecting material for an organic EL device, having excellent hole-injecting capability and durability and having the formula [I], [II] or [III] specified in claim 1, and an organic electroluminescence device obtained by forming either a light-emitting layer or a plurality of organic compound thin layers including the light-emitting layer between a pair of electrodes composed of a cathode and an anode, wherein at least one layer contains the above material.

Abstract: Titanium dioxide powder with a greatly decreased volatile moisture content can be obtained by surface treating with titanium dioxide powder with addition of a calcium salt and/or a silane coupling agent, or by a surface treatment by addition of an aluminate together with these surface treatments. A masterbatch containing this titanium dioxide powder is of high quality, having no defect due to foam generation upon high temperature processing.

Abstract: The object is to provide a moistureproof paper which is excellent in light-screening, moisture-proof, waterproof and heat-sealing properties and regeneration property at the time of reuse as a used paper, and in order to attain the object, a moisture-proof layer (3) of maceration, regeneration and heat-sealing properties is provided on the surface of a coated base (1) having a light-screening layer (2) of a hue of from 25 to 70 in terms of the luminosity index L* to obtain a moisture-proof paper having a light-screening and regeneration properties.

Abstract: A process for the production of a metal phthalocyanine excellent in color-related properties such as tinting strength, clearness and hue, in which no reactions of raw materials with a solvent take place and a substance harmful to human bodies such as polychlorinated biphenyl (PCB) is not formed, the process comprising heating phthalic anhydride or phthalimide, urea, metal salt and a catalyst in mixed solvents of chlorinated benzene and a linear hydrocarbon.

Abstract: A delayed-tack adhesive composition exhibiting a high tack strength even for adherends made of non-polar materials such as polyethylene and polypropylene, which comprises a (co)polymer prepared by the use of a radical-polymerizable monomer having a straight-chain or branched alkyl group having 9 to 18 carbon atoms and a plasticizer being solid at ordinary temperatures.

Abstract: A curable liquid resin composition containing 100 parts by weight of the following (meth)acrylic liquid resin (A) and 1 to 1,000 parts by weight of a (meth)acrylic monomer (B) having an unsaturated double bond in its molecule and having a number average molecular weight of 1,000 or less, the (meth)acrylic liquid resin (A) being a liquid resin which is obtained by polymerizing monomers containing an alkyl (meth)acrylate monomer (a-1-1) of the formula (1),CH.sub.2 C(R.sup.1)COO--R.sup.2 (1)wherein R.sup.1 is a hydrogen atom or CH.sub.3 and R.sup.2 is an alkyl group,and/or an alkylene glycol (meth)acrylate monomer (a-1-2) of the formula (2) ,CH.sub.2 .dbd.C(R.sup.1)COO(C.sub.n H.sub.2n O).sub.m R.sup.3(2)wherein R.sup.1 is a hydrogen atom or CH.sub.3, R.sup.

Abstract: A water-based dispersion composition obtained by partially or wholly neutralizing a mixture of a modified epoxy resin (A) as an emulsifying resin and an aromatic epoxy resin (B) having a number average molecular weight of 1,000 to 30,000 as a resin to be emulsified, with ammonia and/or an amine, the modified epoxy resin (A) being a modified epoxy resin obtained by reacting an aromatic epoxy resin (a1) having an epoxy equivalent of 2,000 to 20,000 with an acrylic resin (a2) having an acid value of 50 to 450 and containing acrylic acid and/or methacrylic acid, the water-based dispersion composition is applied to an internal surface of a metal can particularly required to have high processability and corrosion resistance by coating it directly on a metal material or coating it on an undercoating, baking it and drying it.

Abstract: An inkjet recording ink having excellent water resistance and having excellent ejection stability through a nozzle, which ink is obtained by dispersing colorant particles in a water-based liquid, the colorant particles being a product formed by coating each of resin particles having an average particle diameter of 50 to 300 nm with an organic pigment.

Abstract: It is an object to provide a continuous type dispersing apparatus arranged to disperse particle media in a vessel by stirring blades thereof to satisfactorily perform a process for dispersing a material to be dispersed to effectively use energy of the stirring blades to disperse pigment so as to reduce required quantity of the particle media to be discharged, prevent generation of short pass and chocking phenomena, secure safety, obtain excellent crushing efficiency and dispersing efficiency and attain economical advantage.

Abstract: An organic EL device which is excellent in stability in the repetitive operation and has a high light emission brightness can be obtained from a gallium complex of the general formula (1), ##STR1## wherein each of Q.sup.1 and Q.sup.2 is independently a ligand of the general formula (2); and L is a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic ring group, --OR.sup.1 in which R.sup.1 is a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic ring group, or --O--Ga--Q.sup.3 (Q.sup.4) in which Q.sup.3 and Q.sup.4 have the same meanings as those of Q.sup.1 and Q.sup.2, ##STR2## wherein A.sup.1 and A.sup.2 are substituted or unsubstituted six-membered aryl rings which are mutually fused to form a fused ring moiety.

Abstract: By use of recording liquid for water based inkjet with pigment and colloidal silica, it is possible to obtain prints print recorded on plain paper with good clearness and high quality and image of the print recorded material with sufficient water resistance and light resistance.

Abstract: A hole-transporting material having excellent hole transportation capability and sufficient durability, used in an organic EL device and an electrophotographic photoreceptor, the hole-transporting material having the general formula specified in claim 1.

Abstract: In the method of manufacturing a disazo pigment according to the present invention, a superior coupling reaction rate during the coupling reaction process makes it possible to manufacture a disazo pigment having superior transparency, brightness, color strength and gloss for the case in which a color strength agent is used. In this method, a coupling reaction is carried out while continuously feeding a coupler aqueous solution comprising a coupler component having the general formula (I) shown below and a tetrazo aqueous solution comprising a benzidine derivative tetrazo component at a molar ratio of 2:0.8.about.0.99 into an acidic aqueous solution held in a batch type mixing vessel. ##STR1## (where each of X, Y, Z independently represents H, CH.sub.3, OCH.sub.

Abstract: A material for an organic EL device, having excellent capability of injecting holes from a metal electrode and having durability, and an organic EL device which is imparted with excellent stability in the repeated use for light emission by using the above material, the material having the formula (1), (6) or (7) as specified in claim 1.

Abstract: A resin composition for a water-repellent coating which is excellent in adhesion to a substrate and weathering resistance and has a high hardness equivalent to that of a hard coating and excellent acid resistance, which can exhibit these properties in spite of a low fluorine content, the composition containing a polymer (A) formed from 20 to 80% by weight of a fluorine-containing monomer (a) having a carbon-carbon unsaturated double bond and a perfluoroalkyl group, 20 to 80% by weight of a monomer (b) having a carbon-carbon unsaturated double bond and a crosslinkable functional group and 0 to 30% by weight of a monomer (c) having a carbon-carbon unsaturated double bond other than the monomers (a) and (b), and a polymer (B) formed from 20 to 100% by weight of a monomer (b) having a carbon-carbon unsaturated double bond and a crosslinkable functional group and 0 to 80% by weight of a monomer (c) having a carbon-carbon unsaturated double bond other than the monomer (a) and (b), and a water-repellent coating comp

Abstract: High quality .beta.-form copper phthalocyanine pigment printing ink is produced by the present method, this method reducing the large amount of time and labor required in the process of pigmentation of crude copper phthalocyanine and production of the pigment printing ink.To this end, the production method of printing ink according to the present invention is characterized by adding to crude copper phthalocyanine, 20-80 weight % of printing ink resin based on the amount of the crude copper phthalocyanine, dry-milling the mixture at 80-170.degree. C., and heating the ground material in printing ink solvent. The printing ink obtained contains copper phthalocyanine particles of .beta.-form crystals with an aspect ratio of 1-2.

Abstract: A color correcting unit receives color separation values such as CMY values from an image input unit. Under the control of a control portion, inputs to a first conversion portion constituted by a neural network which has been trained in advance on the basis of the spectral distribution of an arbitrary illuminant are corrected so that outputs from the first conversion portion satisfy the color separation values and a predetermined requirement. The input values to the first conversion portion, which satisfy the predetermined requirement, are sent to an image output unit. The image output unit outputs an image in accordance with these input values.

Abstract: A surface-treated organic pigment excellent in initial dispersibility and long-term dispersion stability in water and an organic solvent and free from the coagulation of pigment particles, obtained by reacting a sulfonating agent with an organic pigment dispersed in a solvent in which the organic pigment is insoluble or sparingly soluble, and thereby introducing a sulfonic acid group to the surface of each particle of the organic pigment.

Abstract: A water-based resin dispersion having excellent durability against water, obtained by radical-polymerizing a radical-polymerizable ethylenically unsaturated monomer, a dimethylpolysiloxane having a molecule containing a radical-polymerizable unsaturated double bond and a radical-polymerizable monomer of the formula (A) or (B) in the presence of a reactive emulsifier, an oil-soluble polymerization initiator and water, and a process for the production thereof, ##STR1## wherein R.sub.1 is (C.sub.2 H.sub.5 O).sub.2 or (CH.sub.3 O).sub.2, and R.sub.2 is (C.sub.2 H.sub.5 O).sub.3 or (CH.sub.3 O).

Abstract: A process for the production of copper phthalocyanine, which overcomes the defect of a method using two reaction steps that since phthalimide formed in the first step adheres to the wall of a reactor and a stirring blade, the reaction in the second step does not smoothly proceed, so that the yield and the purity of the resultant pigment are low, and which process enables the industrially stable production of highly pure copper phthalocyanine at high yields,the process comprising the steps of(A) reacting phthalic anhydride or a phthalic anhydride derivative with ammonia to form phthalimide,(B) adding part or all of urea to the phthalimide obtained in step (A) and melting the mixture under heat to form a homogeneous slurry, and(C) adding copper or a copper compound and remaining urea if any to the slurry obtained in step (B) and forming a copper phthalocyanine or a copper phthalocyanine derivative in the presence of a catalyst.