Abstract: Disclosed is a composite white pigment having mixed together white pigments having different colorimeter values from each other by comprising substrates having various sizes and/or TiO2 having various thicknesses. The composite white pigment, according to the present invention, comprises: a first white pigment comprising a substrate and a white metal oxide layer formed on the substrate; and a second white pigment comprising a substrate and a white metal oxide layer formed on the substrate, and having a different colorimeter value from that of the first white pigment.

Abstract: A gold pigment is disclosed. The gold pigment according to the present disclosure includes a substrate; a first coating layer formed on a surface of the substrate and including a metal oxide having a refractive index of more than 1.8; a second coating layer formed on the first coating layer and including an oxide containing manganese; a third coating layer formed on the second coating layer and including a colorless metal oxide having a refractive index of 1.8 or less; a fourth coating layer formed on the third coating layer and including a metal oxide having a refractive index of more than 1.8; and a fifth coating layer formed on the fourth coating layer and including Fe2O3.

Abstract: Disclosed is a cosmetic composition capable of exhibiting various colors, including red, yellow and blue colors. The disclosed cosmetic composition comprises a red, yellow or blue pearlescent pigment prepared by coating a natural pigment on a matrix, so that it is capable of exhibiting various colors.

Abstract: Disclosed is a method for manufacturing plate ?-alumina pearlescent pigments and nano-metal coating pearlescent pigments with a large aspect ratio, having excellent reflectivity and capable of expressing various colors.

Abstract: The present invention relates to a technology for producing a black pearlescent pigment for cosmetics which is a human-friendly and nature-friendly by using a pigment including natural charcoal powder. The production method of the pearlescent pigment using natural charcoal according to the present invention includes (a) milling natural charcoal to produce a pigment including natural charcoal powder; and (b) coating a flake substrate with the produced pigment including the natural charcoal powder, wherein the milling is performed at 20 to 40 Hz for 24 to 72 hours, and an average particle size of the pigment including the natural charcoal powder is 100 to 300 nm.

Abstract: Disclosed are a glossy pigment having a hollow structure and a method for producing the same. The glossy pigment having a hollow structure according to the present invention comprises: a hollow which penetrates through the center of the inside thereof; and a metal oxide coating layer which covers a part or all of the hollow, wherein the metal oxide coating layer has a hollow structure having a thickness of 0.1-3 ?m.

Abstract: A gold pigment is disclosed. The gold pigment according to the present disclosure includes a substrate; a first coating layer formed on a surface of the substrate and including a metal oxide having a refractive index of more than 1.8; a second coating layer formed on the first coating layer and including an oxide containing manganese; a third coating layer formed on the second coating layer and including a colorless metal oxide having a refractive index of 1.8 or less; a fourth coating layer formed on the third coating layer and including a metal oxide having a refractive index of more than 1.8; and a fifth coating layer formed on the fourth coating layer and including Fe2O3.

Abstract: The present invention relates to a cosmetic product having an excellent UV-blocking effect and a manufacturing method thereof, in which the cosmetic product has an excellent UV-blocking effect, shows reduced whitening, has a good feeling in use, and good adhesion to the skin, and is not glossy and sticky after application to the skin, and to a manufacturing method thereof. The cosmetic product having an excellent UV-blocking effect according to the present invention includes: a cosmetic composition; and a hollow pearlescent pigment added to the cosmetic composition in an amount of 1 to 15 parts by weight based on 100 parts by weight of the cosmetic composition.

Abstract: Disclosed are a pigment having excellent electrical conductivity and corrosion resistance and a method for preparing the same. The method for preparing a pigment according to the present invention comprises the steps of: (a) stirring and dispersing flakes in water to form a suspension; (b) forming a catalyst layer on surfaces of the flakes; and (c) plating the surfaces of the flakes on which the catalyst layer is formed.

Abstract: The present invention relates to flaky aluminum oxide and a preparation method thereof, and more particularly, to a flaky aluminum oxide which is suitably used as a substrate for a pearlescent pigment or the like, and to a preparation method thereof.

Abstract: The present invention relates to a method of preparing a colored gloss pigment using a natural dye. According to the present disclosure, the method may include preparing a dye from a dye material of natural dyes; titrating the dye with an inorganic salt solution and subsequently adjusting a pH neutral to prepare a natural pigment containing the dye; dispersing a substrate coated with a metal oxide into a DI water to form a substrate suspension; and introducing a pH adjusting agent and the natural pigment into the substrate suspension to coat a surface of the substrate with the natural pigment.

Abstract: The present invention relates to flaky aluminum oxide and a preparation method thereof, and more particularly, to a flaky aluminum oxide which is suitably used as a substrate for a pearlescent pigment or the like, and to a preparation method thereof.

Abstract: Disclosed is a cosmetic composition capable of exhibiting various colors, including red, yellow and blue colors. The disclosed cosmetic composition comprises one or more pigments selected from among a natural pigment, a red, yellow or blue pearlescent pigment prepared by coating a natural pigment on a matrix, and a red, yellow or blue pearlescent pigment prepared by coating a metal oxide on a matrix, so that it is capable of exhibiting various colors.

Abstract: The present invention relates to a method for preparing an iron oxide-based gloss and, more specifically, to a method for preparing an iron oxide-based black glossy pigment with high yield using iron sulfate as a starting material through thermal synthesis without sintering, wherein the method comprises the steps of: preparing an iron sulfate dilution liquid; forming a suspension of flake substrates; titrating the substrate suspension with an aqueous inorganic salt solution and mixing the iron sulfate dilution liquid therewith, thereby coating an oxide layer on surfaces of the flake substrates.

Abstract: The present invention relates to a method of preparing a colored gloss pigment using a natural dye. According to the present disclosure, the method may include preparing a dye from a dye material of natural dyes; titrating the dye with an inorganic salt solution and subsequently adjusting a pH neutral to prepare a natural pigment containing the dye; dispersing a substrate coated with a metal oxide into a DI water to form a substrate suspension; and introducing a pH adjusting agent and the natural pigment into the substrate suspension to coat a surface of the substrate with the natural pigment.

Abstract: Disclosed are a pigment having excellent electrical conductivity and corrosion resistance and a method for preparing the same. The method for preparing a pigment according to the present invention comprises the steps of: (a) stirring and dispersing flakes in water to form a suspension; (b) forming a catalyst layer on surfaces of the flakes; and (c) plating the surfaces of the flakes on which the catalyst layer is formed.

Abstract: A carbon dioxide separation device has an absorption tower for receiving exhaust gas and configured to cause carbon dioxide, included in the exhaust gas, and an absorbent to react with each other. The separation device has a pressure reduction and phase separation unit to depressurize the CO2-rich-solution, and cause heat exchange between a lean solution and the CO2-rich-solution and separate a phase of the CO2-rich-solution into gas and liquid. In the separation device lean solution flows into the pressure reduction and phase separation unit, and the CO2-rich-solution undergoes a phase separation into gas and liquid due to heat of the lean solution, and then, flows into the stripping tower.

Abstract: The present invention relates to a nacreous pigment and a method of preparing the same. The nacreous pigment includes a flake substrate, a first metal oxide layer coated on the substrate, and an oxide layer coated on the first metal oxide layer and containing MgO.SiO2, and a second metal oxide layer coated on the oxide layer. The pigment exhibits high brightness, high chroma, high gloss, and multi-color effects.

Abstract: Disclosed is a method for manufacturing plate ?-alumina pearlescent pigments and nano-metal coating pearlescent pigments with a large aspect ratio, having excellent reflectivity and capable of expressing various colors.

Abstract: The interference pigment with high color intensity includes: a platelet-shaped substrate including at least one of natural mica, synthetic mica, alumina flakes, glass flakes, and iron oxide flakes; a lower first metal oxide layer formed of Fe2O3 on the platelet-shaped substrate; a second metal oxide layer formed of MgO•SiO2 on the lower first metal oxide layer; and an upper first metal oxide layer formed of Fe2O3 on the second metal oxide layer.