812results about How to "Good dispersibility" patented technology

A novel modified conjugated diene polymer is obtained by polymerizing a conjugated diene compound with a specified catalyst consisting of components (a)-(c) and then reacting with at least one specified compound selected from the group consisting of components (d)-(l), and has a content of cis-1,4-bond of not less than 85% and a ratio of weight average molecular weight to number average molecular weight of not more than 4. And also, a rubber composition comprises the modified conjugated diene polymer a rubber ingredient.

A powdered, dispersible composition having stable dispersibility over time is provided. The composition exhibits a characteristic glass transition temperature (Tg) and a recommended storage temperature (Ts), wherein the difference between Tg and Ts is at least about 10° C. (i.e. Tg-Ts is greater than 10° C.). The composition comprises a mixture of a pharmaceutically-acceptable glassy matrix and at least one pharmacologically active material within the glassy matrix. It may be further mixed with a powdered, pharmaceutically-acceptable carrier. It is particularly valuable in unit dosage form having a moisture barrier, in combination with appropriate labelling instructions. A process for producing a powdered dispersible composition is also provided, wherein the process comprises removing the solvent from a solution comprising a solvent, a glass former and a pharmacologically active material under conditions sufficient to form a glassy matrix having the pharmacologically active material within the matrix.

Provided is a method of producing a denatured whey protein which has an improved heat stability without using an additive such as an organic solvent. Also provided is a denatured whey protein produced by this method. A method of producing a denatured whey protein which comprises contacting and mixing a whey protein solution with a whey protein solution that is flowing as a thin film in the form of a rotating cylinder, and thus shearing the same at a temperature ranging form 76 to 120° C. at a shear speed of 5,000 s−1 to 25,000 s−1 for 8 minutes to 0.1 second; and a denatured whey protein obtained by this method.

A dispersion composition is provided in which the dispersibility of titanium black is high, the sedimentation of titanium black over time is suppressed, and overall dispersibility and storage stability are high. Further, a polymerizable composition is provided in which favorable coating property on a substrate and even film thickness can be obtained, generation of residue in an unexposed region when a pattern is formed can be suppressed, and favorable pattern shape having any steps after exposure / development can be obtained. The dispersion composition contains (A) titanium black, (B) a graft copolymer and (C) a solvent.

The present invention provides a toner and a developer which includes the toner. The toner is produced in an aqueous medium and includes at least a binding resin, a colorant and a dispersant which disperses the colorant. The binding resin contains 50% by mass to 100% by mass of a polyester resin, and the colorant is a pigment whose surface is given an acid treatment. The acid value of the dispersant is 1 mg KOH / g to 30 mg KOH / g, and the amine value of the dispersant is 1 mg KOH / g to 100 mg KOH / g.

An electrophotographic photoreceptor comprising a conductive support and a photosensitive layer disposed on the conductive support, wherein the photosensitive layer comprises a silicon compound-containing layer containing a silicon compound, and the silicon compound-containing layer further contains a resin, and wherein the photosensitive layer has a peak area in the region of -40 to 0 ppm (S1) and a peak area in the region of -100 to -50 ppm (S2) in a <29>Si-NMR spectrum satisfying the following equation (1): S1 / (S1+S2)>=0.5 (1).

A cationically polymerizable pigmented composition comprising (A) a cationically polymerizable binder component containing at least one resin or compound selected from the group consisting of (A-1) a cationically polymerizable acrylic resin consisting of a copolymer of (a) a (meth) acrylic ester monomer having C6-31 aliphatic hydrocarbon group, (b) a polymerizable unsaturated monomer containing a polymerizable unsaturated group and at least one cationically polymerizable moiety selected from the group consisting of an epoxy group and an oxetane ring, and optionally (c) other polymerizable unsaturated monomer, and (A-2) a fatty acid-modified epoxy compound containing C6-32 aliphatic hydrocarbon group and epoxy group, (B) a cationic polymerization initiator initiating polymerization by irradiation or heating, and (C) a color pigment.

Monodisperse colloidal nanocrystal clusters of magnetite (Fe3O4) with tunable sizes from about thirty to about three hundred nanometers have been synthesized using a high-temperature hydrolysis process. The colloidal nanocrystal clusters are capped with polyelectrolytes, and highly water soluble. Each cluster is composed of many single magnetite crystallites, thus retaining the superparamagnetic behavior at room temperature. The combination of superparamagnetic property, high magnetization, and high water dispersibility makes the colloidal nanocrystal clusters ideal candidates for various important biomedical applications such as drug delivery and bioseparation. The present invention is further directed to methods for forming colloidal photonic crystals from both aqueous and nonaqueous solutions of the superparamagnetic colloidal nanocrystal clusters with an external magnetic field applied thereto. The diffraction of the photonic crystals can be tuned from near infrared to visible and further ultraviolet spectral region by varying the external magnetic field.

A nanocomposite concentrate composition comprising about 10 weight percent to about 90 weight percent of a layered silicate material and about 10 weight percent to about 90 weight percent of a matrix polymer comprising about 90-99.8% by weight of a polyolefin and about 0.2% to about 10%, preferably about 0.2% to about 3%, more preferably about 1% to 3% by weight, of a maleic anhydride-modified polyolefin, based on the total weight of polyolefins, wherein the layered silicate material is dispersed uniformly throughout the matrix polymer. Shearing of the concentrate and later (after shear) addition of an added matrix polymer avoids thermal degradation of the added matrix polymer and optimizes the dispersion of the nanomer throughout the matrix polymer; provides increased tensile strength; and reduces degradation of the polymer by melt formation of a concentrate thereby decreasing heat degradation of added matrix polymer.

A self-emulsifying composition contains: 70 to 90% by weight of at least one compound selected from the group consisting of ω3 polyunsaturated fatty acids and their pharmaceutically acceptable salts and esters; 0.5 to 6% by weight of water; 1 to 29% by weight of a polyoxyethylene sorbitan fatty acid ester as an emulsifier (optionally including a polyoxyl castor oil, and not including lecithin); and lecithin in an amount of 3 to 40 parts by weight in relation to 100 parts by weight of ω3 polyunsaturated fatty acids and the like. The self-emulsifying composition is excellent in self-emulsifying property, composition dispersibility, emulsion stability, and absorbability, is free from ethanol and polyhydric alcohols or only has such an alcohol added thereto at a reduced concentration, and is useful for foods and pharmaceuticals.

The invention provides a flame retardant composition comprising 1-99 weight parts of a salt of piperazine and an inorganic compound selected from among piperazine phosphate, piperazine pyrophosphate and piperazine polyphosphate, or a mixture of two or more of these piperazine salts (ingredient (A)), 99-1 weight parts of a salt of melamine and an inorganic compound selected from among melamine phosphate, melamine pyrophosphate and melamine polyphosphate, or a mixture of two or more of these melamine salts (ingredient (B) ) (wherein, the sum of ingredient (A) and ingredient (B) is 100 weight parts), 0-50 weight parts of an arbitrary ingredient (ingredient (C)), and 0.01-20 weight parts of a silicone oil having a viscosity at 25° C. of 5000 mm2 / s (ingredient (D)) which is added thereto. This flame retardant not only has superior flame retarding properties, but also has enhanced powder properties and anti-hygroscopic properties, and when it is added to a resin, there is little change of electrical resistance.

The present invention relates to a basically spherical hyperbranched block copolymer having an internal hydrophobic block and an external hydrophilic block. Within the spherical copolymer, the hydrophobic block constitutes a hydrophobic layer, suitable to associate or encapsulate hydrophobic bioactive agents, while the hydrophilic block provides an outer layer, which is suitable to render the copolymer soluble or dispersible in aqueous solutions. Also claimed is a method for preparing the copolymer, which is suitable to encapsulate fragrances, flavours, drugs, agrochemicals, for example.

The present invention provides a method of purifying an aqueous fluoropolymer emulsion by which fluorine-containing surfactants can be removed without lowering the dispersibility of the aqueous fluoropolymer dispersions. The present invention provides a method of purifying an aqueous fluoropolymer emulsion comprising; purifying an aqueous fluoropolymer emulsion by a specific technique of concentration wherein the aqueous fluoropolymer emulsion comprises a fluoropolymer and a fluorine-containing surfactant, said specific technique of concentration comprises concentration by phase separation, electric concentration and / or ion exchange concentration, and said concentration by phase separation, electric concentration and / or ion exchange concentration is carried out for removing the fluorine-containing surfactant.

A spherical silver powder which has a good dispersibility and which is capable of obtaining a good degree of sintering even if it is used for forming a paste to be fired at a low temperature of 600° C. or less to form a conductor. An aqueous solution containing a reducing agent is added to a water reaction system containing silver ions, to deposit silver particles by reduction, to produce a spherical silver powder which has a shrinkage of 5 to 15% at 500° C., a shrinkage of 10 to 20% at 600° C., a mean particle size of not greater than 5 μm, a tap density of not less than 2 g / cm3, and a BET specific surface area of not greater than 5 m2 / g.

An electrophotographic photoconductor having at least a photosensitive layer on a conductive support, wherein the electrophotographic photoconductor comprising, in the outermost layer thereof: a filler, an organic compound having an acid value of 10–400 mgKOH / g, and at least one of compounds represented by the following general formulas 1 and 2: where R1, R2 are substituted or unsubstituted alkyl groups or aromatic hydrocarbon rings, and may be identical or different. R1, R2 may also be bonded together to form a substituted or unsubstituted heterocycle containing a nitrogen atom. R3, R4, R5 are substituted or unsubstituted alkyl or alkoxy groups, or halogen atoms. Ar is a substituted or unsubstituted aromatic hydrocarbon ring or aromatic heterocycle. n is an integer in the range 2 to 4, and k, l, m are respectively integers in the range 0 to 3. X is an oxygen atom, or a sulfur atom.

Disclosed herein are a method for manufacturing a graphene transparent electrode and a graphene transparent electrode manufactured by the method. The method includes: providing a graphene oxide solution: forming a metal thin film on a glass substrate; coating the graphene oxide solution on the metal thin film, followed by drying; primarily reducing the thus obtained graphene oxide by using a reducing agent, to obtain reduced graphene oxide; secondarily reducing the reduced graphene oxide by heat treatment under the inert atmosphere, to form a reduced layer; compressing a transparent film on the reduced layer; and etching the metal film by an etching solution. The method enables a graphene transparent electrode having economical feasibility and excellent electric conductivity to be manufactured.

The present invention relates to a toner for electrostatic image development, comprising a crystalline ester compound synthesized by polymerizing a carboxylic acid component with an alcohol component, a non-crystalline resin, a colorant and a releasing agent, wherein the weight-average molecular weight of the crystalline ester compound is 5000 or less, and the number of carbon atoms in at least one component selected from the carboxylic acid component and the alcohol component is 10 or more.

A micro-capsulated pigment containing pigment ink being excellent in density, fineness, transparency, and coloring and color rendering properties required for ink solutions and having excellent dispersibility and dispersion stability with time due to the reduced particle size is provided. At least a color material with at least part of the surfaces of pigment particles covered with polyhydroxyalkanoate, and a medium for dispersion of the color material are used to obtain the pigment ink.

The present invention relates to a process for the preparation of a pigment comprising a core material and at least one dielectric layer using microwave deposition of a metal oxide from an aqueous solution of fluorine scavenger onto a core material.

A method for producing a modified conjugated diene polymer comprising a polymerization step of obtaining a conjugated diene polymer containing a nitrogen atom in a polymer chain and an active end by copolymerizing a conjugated diene compound and a nitrogen atom-containing vinyl compound, or a conjugated diene compound, an aromatic vinyl compound and a nitrogen atom-containing vinyl compound by use of an alkali metal compound and / or an alkaline earth metal compound as a polymerization initiator, and a modification step of reacting a modifier.

A toner including a thermoplastic resin; a colorant; a wax; and a crystalline polymer, wherein a DSC endothermic peak temperature of the wax or the crystalline polymer determined by subjecting the toner to a differential scanning calorimetric analysis is lower by not less than 2° C. than a DSC endothermic peak temperature thereof determined when only the wax or the crystalline polymer is subjected to the differential calorimetric analysis.

This invention features a graft copolymer of lignosulfonates reacted with an unsaturated carbonyl compound and an aldehyde, in two separate reaction steps. The resin can be used as a substitute for a majority of pure urea formaldehyde resin in the manufacture of composite board products. The resin can also be introduced directly into the urea formaldehyde resin production process.

An aluminum pigment having aluminum particles, a molybdenum coat comprising a molybdenum oxide and / or a molybdenum hydrate covering the surface of each aluminum particle and a silica coat comprising amorphous silica and / or a coat prepared from a silane coupling agent further covering this molybdenum coat is provided as an aluminum pigment having excellent dispersibility and stability, neither generating hydrogen gas nor agglomerating during storage and providing excellent designability for the appearance of a film. With respect to 100 parts by mass of aluminum, the content of molybdenum is preferably in the range of 0.01 to 5 parts by mass, and the content of silicon is preferably in the range of 1 to 20 parts by mass.

A filler for porous films is provided which is easy to be mixed with a resin, has good dispersibility in a resin, and provides a porous film useful for a light reflector of, for example, a liquid crystal display and a lighting apparatus and a porous film useful for a diaphragm (separator) between electrodes of a battery.A filler comprises inorganic particles surface treated with a surfactant (A) and a compound (B) having a chelating function to an alkaline earth metal.

A metal nanoparticle dispersion comprising: a dispersion of a polymer compound (X), which comprises a polyalkyleneimine chain (a), a hydrophilic segment (b) and a hydrophobic segment (c), and metal nanoparticles (Y).

To provide a secondary battery porous membrane which is produced using a slurry for secondary battery porous membranes having excellent coatability and excellent dispersibility of insulating inorganic particles and is capable of improving the cycle characteristics of a secondary battery that is obtained using the secondary battery porous membrane, said secondary battery porous membrane having high flexibility and low water content and being capable of preventing particle fall-off. [Solution] A slurry for secondary battery porous membranes of the present invention is characterized by containing: insulating inorganic particles, each of which has a surface functional group that is selected from the group consisting of an amino group, an epoxy group; a mercapto group and an isocyanate group; a binder which has a reactive group that is crosslinkable with the surface functional group; and a solvent.

A toner is composed primarily of toner particles containing at least a binder resin, a colorant and a wax, and inorganic fine particles. The binder resin is one which has at least a polyester unit and is synthesized by using as a catalyst one or more compounds selected from titanium chelate compounds each having a specific structure and hydrates of the titanium chelate compounds. The toner has superior fixing performance and high-temperature anti-offset properties and is superior in charge stability even when used for a long time.

A powdered, dispersible composition having stable dispersibility over time is provided. The composition exhibits a characteristic glass transition temperature (Tg) and a recommended storage temperature (Ts), wherein the difference between Tg and Ts is at least about 10° C. (i.e. Tg-Ts is greater than 10° C.). The composition comprises a mixture of a pharmaceutically-acceptable glassy matrix and at least one pharmacologically active material within the glassy matrix. It may be further mixed with a powdered, pharmaceutically-acceptable carrier. It is particularly valuable in unit dosage form having a moisture barrier, in combination with appropriate labelling instructions. A process for producing a powdered dispersible composition is also provided, wherein the process comprises removing the solvent from a solution comprising a solvent, a glass former and a pharmacologically active material under conditions sufficient to form a glassy matrix having the pharmacologically active material within the matrix.