Abstract: The purpose of the present invention is to provide a silicone rubber particle having a higher light scattering property which can be expected to provide makeup cosmetics such as a foundation with a higher soft focus effect, and a method for preparing the same. The present invention provides a silicone composite particle composed of a silicone rubber particle and a polyorganosilsesquioxane, wherein the silicone rubber particle has plural dents on its surface and said polyorganosilsesquioxane adheres to the surface of the silicone rubber particle. Further, the present invention provides a method for preparing the silicone composite particle, wherein the method includes steps of subjecting organotrialkoxysilane to a hydrolysis and subsequent condensation in the presence of water, an alkaline substance and a silicone rubber particle containing therein a liquid to thereby have a resultant polyorganosilsesquioxane adhered to the surface of the silicone rubber particle, and subsequently removing the liquid.

Abstract: Silicone elastomer spherical particles having a volume mean particle size of 0.1-100 ?m are coated with a polyorganosilsesquioxane and washed with alcohol or a mixture of alcohol and water. The coated fine particles are water repellent so that they are non-dispersible in water and float on water.

Abstract: Provided are silicone microparticles including 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 ?m, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, in which the silicone elastomer is capable of absorbing not less than 30 parts by mass of at least one oily substance selected from the group consisting of sebum, hydrocarbon oils and ester oils per 100 parts by mass of the silicone elastomer.

Abstract: Provided is a cosmetic including silicone microparticles, in which the silicone microparticles include 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 ?m, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats a surface of the silicone elastomer spherical microparticles, and the silicone elastomer is capable of absorbing not less than 30 parts by mass of at least one oily substance selected from the group consisting of sebum, hydrocarbon oils and ester oils per 100 parts by mass of the silicone elastomer. Even if containing an unctuous agent, the cosmetic exhibits favorable feelings upon use, with no spreading difficulties, stickiness, greasiness, oily film feeling, or the like, and is also capable of suppressing problems caused by sebum, namely, changes in the makeup cosmetic properties of the cosmetic, changes in the color of the cosmetic, increased shine, and the like.

Abstract: The present invention provides a silicone microparticle, wherein the silicone microparticle comprises 100 parts by mass of a silicone elastomer spherical microparticle having volume-average particle diameter of 0.1 to 100 ?m and 0.5 to 25 parts by mass of a polyorganosilsesquioxane to cover surface of the silicone elastomer spherical microparticle, wherein the polyorganosilsesquioxane has a shape of granule with the size thereof being 60 nm or less. There can be provided a silicone microparticle having low agglomerating tendency and excellent dispersibility even if rubber hardness of a silicone elastomer microparticle is low and a particle diameter thereof is small.

Abstract: Provided is a cosmetic including silicone microparticles, in which the silicone microparticles include 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 ?m, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, and the silicone elastomer is capable of absorbing not less than 200 parts by mass of a polymethylsiloxane having a viscosity at 25° C. of not more than 10 mm2/s per 100 parts by mass of the silicone elastomer. Even if containing a silicone oil, the cosmetic exhibits favorable feelings upon use, with no spreading difficulties, stickiness, greasiness, or oily film feeling or the like.

Abstract: The present invention provide a paste organopolysiloxane elastomer composition comprises at least: (I) specific organopolysiloxane elastomer microparticle and (II) an oil that is a liquid at 25° C.; wherein the organopolysiloxane elastomer microparticle of the component (I) is a spherical or an amorphous microparticle having a volume-average particle diameter of 2 to 50 ?m and can absorb 200 or more parts by mass of a methyl polysiloxane having a dynamic viscosity of 10 mm2/second or less at 25° C. relative to 100 parts by mass of the organopolysiloxane elastomer microparticle. There can be a paste organopolysiloxane elastomer composition having excellent stability in storage, blending, and so on with a cosmetic and so on while giving a sleek and light feeling without a heavy spreading property and without such feelings as an oily, a sticky, and an oil-film feeling.

Abstract: Provided are silicone microparticles including 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 ?m, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, in which the silicone elastomer is capable of absorbing not less than 200 parts by mass of a polymethylsiloxane having a viscosity at 25° C. of not more than 10 mm2/s per 100 parts by mass of the silicone elastomer. These silicone microparticles are capable of absorbing a large amount of the above types of polymethylsiloxanes, which represent low-viscosity silicones, and can therefore suppress the greasiness, stickiness, and oily film feeling of cosmetic materials containing this type of polymethylsiloxane.

Abstract: Provided is a cosmetic including silicone microparticles, in which the silicone microparticles include 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 ?m, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats a surface of the silicone elastomer spherical microparticles, and the silicone elastomer is capable of absorbing not less than 30 parts by mass of at least one oily substance selected from the group consisting of sebum, hydrocarbon oils and ester oils per 100 parts by mass of the silicone elastomer. Even if containing an unctuous agent, the cosmetic exhibits favorable feelings upon use, with no spreading difficulties, stickiness, greasiness, oily film feeling, or the like, and is also capable of suppressing problems caused by sebum, namely, changes in the makeup cosmetic properties of the cosmetic, changes in the color of the cosmetic, increased shine, and the like.

Abstract: Provided is a cosmetic including silicone microparticles, in which the silicone microparticles include 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 ?m, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, and the silicone elastomer is capable of absorbing not less than 200 parts by mass of a polymethylsiloxane having a viscosity at 25° C. of not more than 10 mm2/s per 100 parts by mass of the silicone elastomer. Even if containing a silicone oil, the cosmetic exhibits favorable feelings upon use, with no spreading difficulties, stickiness, greasiness, or oily film feeling or the like.

Abstract: Silicone composite particles are provided in which silicone elastomer spherical particles having a volume average particle size of 0.1-100 ?m are coated with an organosilsesquioxane-based silicone resin containing inorganic nano-particles having a volume average particle size of up to 100 nm. The silicone composite particles are compounded in a cosmetic composition to exert a UV screening effect or bactericidal property inherent to inorganic nano-particles and to impart a pleasant feel on use. A preparing method and a cosmetic composition are also provided.

Abstract: Composite particles formed of core particles and a silicone elastomer adhered to surfaces of the core particles.

Abstract: Silicone elastomer spherical particles having a volume mean particle size of 0.1-100 ?m are coated with a polyorganosilsesquioxane and washed with alcohol or a mixture of alcohol and water. The coated fine particles are water repellent so that they are non-dispersible in water and float on water.

Abstract: Provided are silicone microparticles including 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 ?m, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, in which the silicone elastomer is capable of absorbing not less than 200 parts by mass of a polymethylsiloxane having a viscosity at 25° C. of not more than 10 mm2/s per 100 parts by mass of the silicone elastomer. These silicone microparticles are capable of absorbing a large amount of the above types of polymethylsiloxanes, which represent low-viscosity silicones, and can therefore suppress the greasiness, stickiness, and oily film feeling of cosmetic materials containing this type of polymethylsiloxane.

Abstract: Provided are silicone microparticles including 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 ?m, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, in which the silicone elastomer is capable of absorbing not less than 30 parts by mass of at least one oily substance selected from the group consisting of sebum, hydrocarbon oils and ester oils per 100 parts by mass of the silicone elastomer.

Abstract: The invention provides a coating composition for rubbers which forms a coating film having excellent adhesion to the rubber surface as well as excellent wear resistance and surface lubricity.

Abstract: An object of the present invention is to provide a coating agent capable of giving a coating film having excellent adhesion to the base surface, and exhibiting excellent releasability with good surface lubricity.

Abstract: Zinc compound is added as a curing catalyst to an emulsion composition comprising an organopolysiloxane end-blocked with a hydroxyl or alkoxy group and an aminoalkyl group, both bonded to a silicon atom, an organotrialkoxysilane or tetraalkoxysilane, and a surfactant. The silicone emulsion composition can form a cured film briefly without a need for tin compounds.

Abstract: An object of the present invention is to provide a coating agent capable of giving a coating film having excellent adhesion to the base surface, and exhibiting excellent releasability with good surface lubricity. The coating agent comprises a water-base resin composition containing the following components A and B: component A: a curable silicone composition composed of: component (A-1): an organopolysiloxane in which a group selected from among a hydroxyl group and groups represented by the formula R1O— (where R1 is a monovalent hydrocarbon group having 1 to 6 carbon atoms), and a group represented by the following formula (1): ?are bonded to the same silicon atom at two or more terminals of the polysiloxane chain, component (A-2): an alkoxy silane compound or a partial hydrolysis-condensation product thereof, and component (A-3): a condensation catalyst in an amount of 0 to 10 mass parts per 100 mass parts of the total amount of the components (A-1) and (A-2); and component B: a polyurethane resin.

Abstract: The invention provides a coating composition for rubbers which forms a coating film having excellent adhesion to the rubber surface as well as excellent wear resistance and surface lubricity.