Abstract: An emulsifying dispersant includes, as the main component, vesicles formed from an amphiphilic substance capable of self-assembly or an emulsifying dispersant comprising single particles of a biopolymer as the main component. The particles made from amphiphilic substances capable of self-assembly are used. The amphiphilic substances are selected from among polyoxyethylene-hydrogenated castor oil derivatives wherein the average number of added ethylene oxide molecule is 5 to 15, dialkyldimethyl-ammonium halides wherein the chain length of the alkyl or alkenyl is 8 to 22, and phospholipids or phospholipid derivatives. According to the invention a three-phase structure composed of an aqueous phase, an emulsifying dispersant phase and an oil phase is formed on the surface of an emulsion to give an emulsion (such as emulsion fuel) excellent in thermal stability and long-term stability.

Abstract: Provided is an external agent for skin or mucous membrane excellent in feeling during use despite containing petrolatum as a base. An external agent for skin or mucous membrane according to the present invention includes an oil phase, as an inner phase, that consists of petrolatum or is a liquid or a semi-solid including petrolatum with a viscosity of 5000 mPa·s or more at 25° C. and a water-insoluble functional component phase, as an inner phase, including a water-insoluble functional component, and an aqueous phase as an outer phase, in which particles of a polycondensation polymer having a hydroxyl group and/or vesicles formed of an amphiphilic substance are present at an interface between the oil phase and the aqueous phase, and at an interface between the functional component phase and the aqueous phase.

Abstract: Provided are: a particulate composition which exhibits high water dispersibility regardless of the kind of solid particles; and a method for producing this particulate composition. Also provided are: a liquid composition; a surface modifying agent and a method for improving water dispersibility. The present invention additionally provides: a particulate composition which has dispersibility in an oil-based material; and a method for producing this particulate composition. A particulate composition according to the present invention contains solid particles and an amphiphilic substance that is present on the surfaces of the solid particles; and the amphiphilic substance has an ability of forming vesicles in water.

Abstract: Disclosed are a structure and a method capable of protecting from outside stimuli while containing in a liquid state a water-dispersible substance to be protected. The protective structure of the substance to be protected is a water-in-oil emulsion structure comprising an aqueous phase configuring a discontinuous phase containing the water-dispersible substance to be protected, an oil phase in which said aqueous phase is dispersed, and either vesicles formed with an amphiphilic substance which spontaneously forms vesicles or polycondensation polymer particles having hydroxyl groups.

Abstract: An emulsifying dispersant includes, as the main component, vesicles formed from an amphiphilic substance capable of self-assembly or an emulsifying dispersant comprising single particles of a biopolymer as the main component. The particles made from amphiphilic substances capable of self-assembly are used. The amphiphilic substances are selected from among polyoxyethylene-hydrogenated castor oil derivatives wherein the average number of added ethylene oxide molecule is 5 to 15, dialkyldimethyl-ammonium halides wherein the chain length of the alkyl or alkenyl is 8 to 22, and phospholipids or phospholipid derivatives. According to the invention a three-phase structure composed of an aqueous phase, an emulsifying dispersant phase and an oil phase is formed on the surface of an emulsion to give an emulsion (such as emulsion fuel) excellent in thermal stability and long-term stability.

Abstract: To provide a method for preparing a visible light-responsive photocatalyst and a visible light-responsive photocatalyst intermediate, a usage of a visible light-responsive photocatalyst, and the visible light-responsive photocatalyst, the method enabling arbitrary setting of the amount of solvent, thus making it possible to prepare composite fine particles of gold colloids and titanium oxide fine particles in high yield. A method for preparing a visible light-responsive photocatalyst or a visible light-responsive photocatalyst intermediate includes the step of forming a disperse system including an oil liquid containing an organic titanium complex as a dispersant, and an aqueous dispersion containing gold colloids as a dispersoid, and the visible light-responsive photocatalyst or the visible light-responsive photocatalyst intermediate enables the organic titanium complex to undergo hydrolysis to cause clathration of gold colloids, thus forming a clathrate.

Abstract: Provided are an emulsifier derived from sugar polymer capable of successfully emulsifying even unsaturated oil, a production method therefore, and a production method for emulsion using the emulsifier. This emulsifier can be obtained by a production method including an emulsification improving step of improving the emulsification of sugar polymer particles dispersed in water. In this emulsification improving step, the emulsification of sugar polymer particles can be improved by an action of an emulsification aid that is at least water-soluble one kind selected from salts, an amphiphilic agent, saccharides, an organic acid, and an amino acid. Alternatively, the emulsification of sugar polymer particles can be improved by storing the sugar polymer particles dispersed in water at a low temperature of 10° C. or lower.

Abstract: An emulsifying dispersant includes, as the main component, vesicles formed from an amphiphilic substance capable of self-assembly or an emulsifying dispersant comprising single particles of a biopolymer as the main component. The particles made from amphiphilic substances capable of self-assembly are used. The amphiphilic substances are selected from among polyoxyethylene-hydrogenated castor oil derivatives wherein the average number of added ethylene oxide molecule is 5 to 15, dialkyldimethyl-ammonium halides wherein the chain length of the alkyl or alkenyl is 8 to 22, and phospholipids or phospholipid derivatives. According to the invention a three-phase structure composed of an aqueous phase, an emulsifying dispersant phase and an oil phase is formed on the surface of an emulsion to give an emulsion (such as emulsion fuel) excellent in thermal stability and long-term stability.

Abstract: An emulsifying dispersant includes, as the main component, vesicles formed from an amphiphilic substance capable of self-assembly or an emulsifying dispersant comprising single particles of a biopolymer as the main component. The particles made from amphiphilic substances capable of self-assembly are used. The amphiphilic substances are selected from among polyoxyethylene-hydrogenated castor oil derivatives wherein the average number of added ethylene oxide molecule is 5 to 15, dialkyldimethyl-ammonium halides wherein the chain length of the alkyl or alkenyl is 8 to 22, and phospholipids or phospholipid derivatives. According to the invention a three-phase structure composed of an aqueous phase, an emulsifying dispersant phase and an oil phase is formed on the surface of an emulsion to give an emulsion (such as emulsion fuel) excellent in thermal stability and long-term stability.

Abstract: The invention provides an emulsification technique which permits the formation of functional oil/water or functional granules/water emulsion systems excellent in thermal stability and long-term stability and which can attain the emulsification independent of required HLB of the functional oils, and the dispersion independent of surface properties of the functional granules. In the technique is used an emulsifying dispersant comprising, as the main component, vesicles formed from an amphiphilic substance capable of self-assembly or an emulsifying dispersant comprising single particles of a biopolymer as the main component. The particles made from amphiphilic substances capable of self-assembly are used.

Abstract: To provide a method for preparing a visible light-responsive photocatalyst and a visible light-responsive photocatalyst intermediate, a usage of a visible light-responsive photocatalyst, and the visible light-responsive photocatalyst, the method enabling arbitrary setting of the amount of solvent, thus making it possible to prepare composite fine particles of gold colloids and titanium oxide fine particles in high yield. A method for preparing a visible light-responsive photocatalyst or a visible light-responsive photocatalyst intermediate includes the step of forming a disperse system including an oil liquid containing an organic titanium complex as a dispersant, and an aqueous dispersion containing gold colloids as a dispersoid, and the visible light-responsive photocatalyst or the visible light-responsive photocatalyst intermediate enables the organic titanium complex to undergo hydrolysis to cause clathration of gold colloids, thus forming a clathrate.

Abstract: To provide a method for preparing a visible light-responsive photocatalyst and a visible light-responsive photocatalyst intermediate, a usage of a visible light-responsive photocatalyst, and the visible light-responsive photocatalyst, the method enabling arbitrary setting of the amount of solvent, thus making it possible to prepare composite fine particles of gold colloids and titanium oxide fine particles in high yield. A method for preparing a visible light-responsive photocatalyst or a visible light-responsive photocatalyst intermediate includes the step of forming a disperse system including an oil liquid containing an organic titanium complex as a dispersant, and an aqueous dispersion containing gold colloids as a dispersoid, and the visible light-responsive photocatalyst or the visible light-responsive photocatalyst intermediate enables the organic titanium complex to undergo hydrolysis to cause clathration of gold colloids, thus forming a clathrate.

Abstract: Emulsifying dispersants, comprising an amphipathic substance and an electrolyte, wherein the amphipathic substance forms two or more layers, are capable of stably dispersing a large amount of oil even when used in a small amount. Emulsion compositions containing such an emulsifying dispersant show high emulsion stability even when added to a food or drink containing an electrolyte, and can be used to prepare a final product without the need for a complicated operation.

Abstract: Disclosed are a structure and a method capable of protecting from outside stimuli while containing in a liquid state a water-dispersible substance to be protected. The protective structure of the substance to be protected is a water-in-oil emulsion structure comprising an aqueous phase configuring a discontinuous phase containing the water-dispersible substance to be protected, an oil phase in which said aqueous phase is dispersed, and either vesicles formed with an amphiphilic substance which spontaneously forms vesicles or polycondensation polymer particles having hydroxyl groups.

Abstract: Provided are an emulsifier derived from sugar polymer capable of successfully emulsifying even unsaturated oil, a production method therefore, and a production method for emulsion using the emulsifier. This emulsifier can be obtained by a production method including an emulsification improving step of improving the emulsification of sugar polymer particles dispersed in water. In this emulsification improving step, the emulsification of sugar polymer particles can be improved by an action of an emulsification aid that is at least water-soluble one kind selected from salts, an amphiphilic agent, saccharides, an organic acid, and an amino acid. Alternatively, the emulsification of sugar polymer particles can be improved by storing the sugar polymer particles dispersed in water at a low temperature of 10° C. or lower.

Abstract: A cosmetic in an emulsified state, in which a titanium dioxide microparticle coated with hydrous silicic acid and/or a hydrous silicate compound, a higher alcohol, an oily component other than the higher alcohol, and a polysaccharide are contained, and the polysaccharide containing at least one of fucose, glucose, glucuronic acid and rhamnose as a constituent monosaccharide, and having fucose and/or rhamnose in a side chain is contained in an amount of 0.01% by weight to 1% by weight relative to the total amount of the cosmetic. And a cosmetic containing the higher alcohol, the oily component and the polysaccharide in an emulsified state, in which the higher alcohol is composed of two or more kinds of higher alcohols having different molecular weights, and is contained in the cosmetic in an amount of 1% by weight to 20% by weight relative to the total amount of the cosmetic.

Abstract: A cosmetic exhibiting improved thermal stability and storage stability, which is prepared by using a three-phase emulsification-dispersing method in an aqueous phase. In the cosmetic containing an oily base material and/or a pigment as a component to be emulsification-dispersed, an emulsification-dispersing agent and water, the thermal stability and storage stability are improved, and the emulsification-dispersing agent composed of a polysaccharide having a particulate structure as a main component, and two or more kinds of components to be emulsification-dispersed are contained. The components to be emulsification-dispersed exhibit a dielectric constant ranging from 1 to 5 (F/m), and an inorganicity/organicity ratio ranging from 0 to 0.5.

Abstract: A cosmetic in an emulsified state, in which a titanium dioxide microparticle coated with hydrous silicic acid and/or a hydrous silicate compound, a higher alcohol, an oily component other than the higher alcohol, and a polysaccharide are contained, and the polysaccharide containing at least one of fucose, glucose, glucuronic acid and rhamnose as a constituent monosaccharide, and having fucose and/or rhamnose in a side chain is contained in an amount of 0.01% by weight to 1% by weight relative to the total amount of the cosmetic. And a cosmetic containing the higher alcohol, the oily component and the polysaccharide in an emulsified state, in which the higher alcohol is composed of two or more kinds of higher alcohols having different molecular weights, and is contained in the cosmetic in an amount of 1% by weight to 20% by weight relative to the total amount of the cosmetic.