Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
  • A61K8/0216—Solid or semisolid forms
  • A61K8/022—Powders; Compacted Powders
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
  • A61K8/25—Silicon; Compounds thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
  • A61K8/26—Aluminium; Compounds thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
  • A61K8/27—Zinc; Compounds thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
  • A61K8/29—Titanium; Compounds thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/89—Polysiloxanes
  • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
  • A61K8/89—Polysiloxanes
  • A61K8/896—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate
  • A61K8/898—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
  • A61Q1/02—Preparations containing skin colorants, e.g. pigments
  • A61Q1/08—Preparations containing skin colorants, e.g. pigments for cheeks, e.g. rouge
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
  • A61Q1/02—Preparations containing skin colorants, e.g. pigments
  • A61Q1/10—Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
  • A61Q1/12—Face or body powders for grooming, adorning or absorbing
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
  • A61K2800/41—Particular ingredients further characterized by their size
  • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns

Definitions

• the present invention relates to a solid powder cosmetic.
• Solid powder cosmetics are widely used as foundation cosmetics such as foundation cosmetics such as foundation, white powder, eye color, teak color, eyebrows, body powder, whitening powder, etc. from the convenience of portability and ease of use. ing. Further, in recent years, in order to achieve an ultraviolet protective ability improvement and a clear feeling without white film, a technique using a fine particle metal oxide has been studied (see, for example, Patent Document 1).
• a dry molding method in which powder and oil are mixed and then press molding, and a cosmetic base comprising powder and oil and the like are added with a solvent to form a slurry and filled in a container.
• a wet molding method for obtaining a cosmetic by removing the solvent is well known.
• the solid powder cosmetic obtained by the wet molding method can be filled in containers of various shapes because it is filled in a fluid slurry state, and a cosmetic with high aesthetics can be obtained.
• the filling moldability may be a problem, and various studies have been made.
• Patent Document 2 For example, in order to improve the filling and molding properties, techniques using film-forming polymers (see, for example, Patent Document 2), techniques using spherical polyolefin resin powder and non-volatile oil agent (see, for example, Patent Document 3) are known. It is done.
• the main object of the present invention is to provide a solid powder cosmetic which is excellent in transparency, not squeaky, and excellent in the smoothness of the surface of a molded product but has no shrinkage of the molded product and is excellent in impact resistance. I assume.
• the present inventors reduce the squeakiness of the particulate metal oxide by containing the amino-modified silicone-treated powder having a cationic group, and further, the silicone oil is added to the specific amount. It has been found to improve the impact resistance reduction due to the inclusion. From the above, the present inventor is excellent in transparency and squeaky by using (A) fine particle metal oxide, (B) amino modified silicone treated powder and (C) specific amount of silicone oil. It has also been found that a solid powder cosmetic which is excellent in the smoothness of the surface of the molded product but has no shrinkage of the molded product and is also excellent in impact resistance can be obtained. Thus, the inventor has completed the present invention.
• the present invention provides the following components (A) to (C): (A) Particulate metal oxide (B) amino-modified silicone-treated powder (C) silicone oil 4 to 30% by mass
• the present invention provides a solid powder cosmetic containing
• the present invention provides the following components (A) to (C): (A) Particulate metal oxide (B) amino-modified silicone-treated powder (C) silicone oil 4 to 30% by mass It is also possible to provide a solid powder cosmetic obtained by mixing the above (A) to (C) with a solvent to form a slurry, filling it in a container, and removing the solvent. It is possible.
• the present invention is to provide a solid powder cosmetic which is excellent in transparency, not squeaky, and excellent in the smoothness of the surface of a molded product but has no shrinkage of the molded product and is excellent in impact resistance.
• the effect described here is not necessarily limited and may be any effect described in the present technology.
• the present invention is a solid powder cosmetic comprising the following components (A) to (C); (A) fine particle metal oxide, (B) amino modified silicone treated powder, (C) silicone oil 4 to 30% by mass
• A) fine particle metal oxide fine particle metal oxide
• B amino modified silicone treated powder
• C silicone oil 4 to 30% by mass
• Conventional solid powder cosmetics can obtain solid powder cosmetics that are easy to obtain transparency by containing fine particles of metal oxides with smaller particle sizes, but because they are fine particles, they tend to cause aggregation and impact resistance. It was weak.
• it is excellent in the sense of transparency, no squeaky, and excellent in the smoothness of the surface of the molded product, but there is no shrinkage of the molded product and solid impact resistance is excellent.
• Powder cosmetics can be provided.
• the present invention mixes the cosmetic base containing the above components (A) to (C) with a solvent to make a slurry It is also possible to provide a method for producing a solid powder cosmetic or a solid powder cosmetic obtainable by removing the solvent after filling the container. According to the present invention, a solid powder cosmetic can be favorably obtained even by a wet molding method.
• the particulate metal oxide of the component (A) used in the present invention is not particularly limited as long as it is a particulate metal oxide which can be used for cosmetics, and its particle shape (spherical, needle, plate, irregular shape And the like), particle structures (porous, non-porous and the like), etc., and any may be used.
• the metal oxide include zinc oxide, titanium oxide, cerium oxide, zirconium oxide, and iron oxide, and these can be used alone or in combination of two or more.
• zinc oxide and titanium oxide are more preferably used alone or in combination, from the viewpoint of being excellent in ultraviolet light protective ability and covering power such as pores and wrinkles, zinc oxide and / or zinc oxide.
• titanium oxide is more preferable.
• These particulate metal oxides may be surface-treated with oxides and / or hydroxides of aluminum and oxides and / or hydroxides of silicon.
• these metal oxides may be one or two or more of fluorine compounds, silicone compounds, metal soaps, lecithins, hydrogenated lecithins, collagens, hydrocarbons, higher fatty acids, higher alcohols, esters, waxes, waxes, surfactants, etc. You may surface-treat using more than seed
• the “average particle diameter” in the present invention is a value (median diameter D50) determined by measurement with an image analyzer (Lusex IIIU or its successor model Luthex AP, manufactured by Nireco).
• the metal oxide of the component (A) used in the present invention is a fine particle metal oxide, and the average particle diameter (D50) is not particularly limited, but the lower limit thereof is preferably 0.15 ⁇ m or less. It is preferably 0.13 ⁇ m or less, more preferably 0.10 ⁇ m or less, and the upper limit thereof is preferably 0.01 ⁇ m or more, more preferably 0.015 ⁇ m or more. And, the numerical value range is preferably 0.01 to 0.1 ⁇ m, and more preferably 0.01 to 0.15 ⁇ m from the viewpoint of being excellent in transparency, UV protection ability and dispersibility.
• the thickness is further preferably 0.01 to 0.10 ⁇ m, more preferably 0.01 to 0.08 ⁇ m, and particularly preferably 0.02 to 0.04 ⁇ m.
• the average particle size is less than 0.01 ⁇ m, the cohesive strength is strong and the squeaky feeling is strong, so a smooth feeling of use may not be obtained, and if the average particle size is larger than 0.15 ⁇ m, satisfactory transparency is obtained. It may not be obtained.
• component (A) for example, as fine particle zinc oxide, FINEX-50 (manufactured by Sakai Chemical Industry Co., Ltd.), XZ-100F (manufactured by Sakai Chemical Industry Co., Ltd.), ZnOX-350 (manufactured by Sumitomo Osaka Cement Co., Ltd.), oxidized Zinc FZO-50 (manufactured by Ishihara Sangyo Co., Ltd.), particulate zinc oxide MZ-500, MZ-300, MZ-200, MZ-150 (manufactured by Tayca Corporation), as particulate titanium oxide, MT-700 B, MT-500 series (for example, SMT-500SAS, MT-500SA) (made by Tayca Corporation), TTO-55 (A) (made by Ishihara Sangyo Co., Ltd.), ST-605 EC, ST-405 EC (titanium industry), STR-100A (made by Sakai Chemical
• the content of the component (A) used in the present invention is not particularly limited, but it has an ultraviolet light protective ability and natural covering power such as pores and wrinkles, and is more excellent in imparting transparency without film whiteness
• the lower limit thereof is preferably 0.1% by mass or more, more preferably 1% by mass or more
• the upper limit thereof is 20% by mass or less, more preferably 15% by mass or less
• the range is preferably 0.1 to 20% by mass, more preferably 1 to 15% by mass, and still more preferably 5 to 15% by mass.
• the fine particle zinc oxide preferably has an average particle diameter (D50) of 0.01 to 0.10 ⁇ m (more preferably 0.02 to 0.04 ⁇ m) from the viewpoint of transparency, ultraviolet light protection ability and dispersibility, and the fine particles
• the titanium oxide preferably has an average particle size (D50) of 0.02 to 0.04 ⁇ m.
• the content of fine particle titanium oxide and / or fine particle zinc oxide in the total amount of component (A) fine particle oxide is not particularly limited, and is preferably a main component, more preferably 60 mass% or more, more preferably The content is 70% by mass or more, more preferably 80% by mass or more, more preferably 90% by mass, and still more preferably 95% by mass or more. It may be a particulate metal oxide substantially consisting of only particulate titanium oxide and / or particulate zinc oxide. The particulate titanium oxide and / or particulate zinc oxide may be subjected to surface treatment. In the present specification, "substantially" means that other components may be contained within the range that does not impair the effect of the present invention.
• composition (B) amino-modified silicone-treated powder The amino-modified silicone-treated powder of component (B) used in the present invention is obtained by treating a part or the whole of the surface of the powder with amino-modified silicone, and its particle shape (spherical, needle-like, plate-like, Any one can be used regardless of indeterminate form etc.
• the "amino-modified silicone” used for the amino-modified silicone-treated powder of the component (B) used in the present invention is preferably a silicone compound having an amino group or an ammonium group, and its properties (liquid, solid And the like, and any one may be used regardless of the presence or absence of the crosslinked structure.
• the amino-modified silicones it is preferable to use an amino-modified silicone having no crosslinked structure and / or an amino-modified silicone having a crosslinked structure.
• an amino-modified silicone having a crosslinked structure from the viewpoint of being excellent in impact resistance and the like.
• amino-modified silicone having no crosslinked structure The amino-modified silicone having no crosslinked structure used in the present invention is not particularly limited, and examples thereof include those represented by the following general formula (1).
• R represents a hydroxyl group, a hydrogen atom or R a
• R a represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 20 carbon atoms
• X represents R a , -Q -NH (CH 2 ) n NH 2 -OR a or a hydroxyl group is shown
• Q is a divalent hydrocarbon group having 1 to 8 carbon atoms.
• n represents a number of 1 to 5.
• p and q each represents a number such that the sum thereof is preferably 2 or more and less than 2000, more preferably 20 or more and less than 2000, and still more preferably 30 or more and less than 1000.
• the amino equivalent of the amino-modified silicone is preferably 200 g / mol to 30,000 g / mol, more preferably 500 g / mol to 10,000 g / mol, and still more preferably 600 g / mol to 5,000 g / mol.
• the amino equivalent means the mass of the siloxane skeleton per amino group or ammonium group.
• the g / mol of the indicated unit is a value converted per mol of amino group or ammonium group. Therefore, the smaller the value of the amino equivalent, the higher the proportion of amino groups or ammonium groups in the molecule.
• the amino-modified silicone is not particularly limited, but from the viewpoint that powder is uniformly coated and uniformity of the cosmetic film is obtained, it has a kinematic viscosity in the range of 100 to 3000 mm 2 / s (25 ° C.) It is more preferable that It may be used in the form of an emulsion.
• the emulsion of amino-modified silicone is prepared, for example, by machine mixing of amino-modified silicone and solvent at high shear, emulsification of amino-modified silicone with water and an emulsifier, or a combination thereof, or by emulsion polymerization. be able to.
• kinematic viscosity 25 ° C.
• suitable commercially available products of the amino-modified silicone for example, SF8451C (Dow Corning Toray Silicone Co., kinematic viscosity 600 mm 2 / s, an amino equivalent of 1700 g / mol ), SF 8452 C (Toray Dow Corning Silicone Co., Ltd .; kinematic viscosity 700 mm 2 / s, amino equivalent 6400 g / mol), SF 8457 C (Toray Dow Corning Silicone Co., Ltd.), kinematic viscosity 1200 mm 2 / s, amino equivalent 1800 g / mol KF 8003 (Shin-Etsu Chemical Co., Ltd., kinematic viscosity 1850 mm 2 / s, amino equivalent 2000 g / mol), KF 8004 (Shin-Etsu Chemical Co., Ltd., kinematic viscosity 800 mm
• amino-modified silicone having a crosslinked structure used in the present invention is not particularly limited, and, for example, a fine tertiary of silicone obtained by condensation reaction of the following surface coating treatment agent (a) and the following surface coating treatment agent (b) Examples thereof include polymers having a pre-crosslinked structure (hereinafter also referred to as "silicone micro crosslinks"). Moreover, a surface coating treatment agent (a) and the following surface coating treatment agent (b) can be manufactured by a well-known manufacturing method, respectively, and a commercial item can also be used.
• the surface coating treatment agent (a) used in the present invention is a both-end reactive diorganopolysiloxane, and is a both-end hydroxysilyl group modified silicone represented by the following general formula (2).
• each R 1 represents a hydroxyl group
• each R 2 independently represents a hydrocarbon group having 1 to 20 carbon atoms
• L represents any integer of 3 to 10,000. .
• the form of the above (a) is not particularly limited, but in the present invention, it is preferable to use in the form of a water suspension or a water emulsion in terms of improving the feel of the component (B) and the like.
• the water emulsion of (a) may be prepared by any known method, such as emulsion polymerization using a low molecular weight cyclic siloxane as a starting material, or emulsification of an oil-like, both-end reactive diorganopolysiloxane. Etc. are illustrated.
• the surface coating agent (b) used in the present invention is an amino group-containing silane compound and is represented by the following general formula (3).
• R 3 R 4 m SiX (3-m) (3) (Wherein, R 3 represents a hydrocarbon group having 1 to 20 carbon atoms having at least one amino group, R 4 represents an alkyl group having 1 to 4 carbon atoms, and X represents 1 to 4 carbon atoms Represents an alkoxy group, m is 0 or 1)
• Preferred examples of the surface coating agent (b) include, but are not limited to, for example, N- (2-aminoethyl) -3-aminopropyltriethoxysilane, 3-aminopropyltriethoxysilane, 3-aminopropyl Trimethoxysilane etc. can be illustrated.
• the above m 0 amino group-containing trialkoxy (C1-C4) silane is preferred.
• the carbon number of the hydrocarbon of R 3 is preferably 1 to 10.
• aminopropyl triethoxysilane KBE-903; Shin-Etsu Chemical Co., Ltd. make
• this invention is not limited to this, Moreover, with a well-known manufacturing method It may be manufactured.
• the silicone micro-crosslinked product is not particularly limited, but the use mass ratio of the surface coating treatment agents (a) and (b) is (surface coating treatment agent (a)): The surface coating treatment (b)) is preferably 100: 0.1 to 100: 35.
• the said silicone micro crosslinked material is a polymer which does not have rubber elasticity (namely, rubber hardness).
• the polymer having no rubber hardness is a polymer having a measurement value of less than 10, more preferably less than 5 as measured by a durometer type AO defined in ISO 7619-1 (soft rubber hardness measurement).
• the rheological properties of the silicone micro cross-linked product are not particularly limited, but complex elasticity in dynamic viscoelasticity measurement (25 ° C., 17% strain rate, 4 Hz shear frequency) from the viewpoint of excellent adhesion to the skin etc.
• the loss coefficient tan ⁇ (loss modulus G ′ ′ / storage modulus G ′) is preferably 1.0 to 2.5. More preferably, the complex modulus is 10, It is from 000 to 100,000 Pa, and the loss factor tan ⁇ is from 1.0 to 2.0.
• the rheological properties of the silicone microcrosslinked product can be measured as follows.
• Dynamic viscoelasticity measuring device Rheosol-G3000 (manufactured by UBM) Measuring jig: Parallel plate with a diameter of 20 mm Measuring frequency: 4 Hz Measurement temperature: 25 ⁇ 1.0 ° C Measurement strain setting: The strain rate is set to 17%, and measurement is performed in the automatic measurement mode. Measurement sample thickness (gap): 1.0 mm
• the reason why the shear frequency is set to 4 Hz is a range of physical motion speed that is common to humans, and is because it approximates the speed when applying the cosmetic to the skin.
• the “powder” that can be surface-coated with the amino-modified silicone is a powder other than the component (A), as long as it is a powder used for ordinary cosmetics.
• a powder used for ordinary cosmetics for example, inorganic powders, organic powders, metal soap powders, glitter powders, pigment powders, composite powders thereof, etc. may be mentioned, and one or more kinds thereof may be combined as required. It can be used. Further, any particles can be used regardless of their particle shape (spherical, needle-like, plate-like, amorphous, etc.), particle structure (porous, non-porous, etc.), and the like.
• the inorganic powder is not particularly limited, and examples thereof include titanium oxide, zirconium oxide, zinc oxide, cerium oxide, magnesium oxide, barium sulfate, calcium sulfate, magnesium sulfate, calcium carbonate, magnesium carbonate, iron oxide, carbon black, chromium oxide , Chromium hydroxide, bitumen, ultramarine, bengara, talc, mica, kaolin, sericite, muscovite, synthetic mica, phlogopite, biotite, biotite, lithiamica, silicic acid, anhydrous silicic acid, aluminum silicate, silicic acid Magnesium Oxide, Aluminum Magnesium Silicate, Calcium Silicate, Barium Silicate, Strontium Silicate, Metal Tungstate, Hydroxyapatite, Vermiculite, Hydrite, Bentonite, Montmorillonite, Hectorite, Zeolite, Ceramic Spauda Powder Calcium phosphate, alumina, aluminum hydroxide,
• the organic powder is not particularly limited.
• inorganic powders are preferable, and the inorganic powders are not particularly limited, but for example, talc, mica, sericite, muscovite, synthetic mica, phlogopite, titanium oxide coated mica, titanium oxide tin oxide It is more preferable to select at least one inorganic powder selected from coated synthetic mica and titanium oxide-coated glass powder and the like because an amino-modified silicone-treated powder having a higher cosmetic effect can be obtained. Furthermore, it is particularly preferable to select one or more selected from talc, mica, sericite, muscovite, synthetic mica, and phlogopite.
• the average particle diameter (D50) of the “powder” that can be surface-coated is not particularly limited, but is preferably 3 to 200 ⁇ m, more preferably 3 to 100 ⁇ m, and still more preferably 5 to 50 ⁇ m from the viewpoint of cosmetic effects. Is particularly preferred.
• a plate-like one is particularly preferable in terms of smooth use feeling and filling moldability.
• the component (B) to be used in the present invention is not particularly limited as to the method of coating the surface of these powders with amino-modified silicone, but for example, dry method of directly mixing and coating amino-modified silicone and powder Coating method; amino-modified silicone is dissolved or dispersed in an organic solvent (for example, one or more selected from ethanol, isopropyl alcohol, n-hexane etc.), powder is added to this solution or dispersion, and mixed Thereafter, a wet coating method in which the solvent is removed by drying or the like, heating, and pulverizing; a mechanochemical method and the like can be mentioned. It is also possible to combine these appropriately.
• an organic solvent for example, one or more selected from ethanol, isopropyl alcohol, n-hexane etc.
• the component (B) used in the present invention is not particularly limited as to the method for surface-coating these powders with the amino-modified silicone, but, for example, the above-mentioned method in the presence of powders by in-situ method After depositing the silicone micro-crosslinked product of the surface coating treatment agent (a) and the surface coating treatment agent (b) on the surface of the powder particle, heating is performed to fix the silicone micro crosslinked material on the particle surface be able to.
• the uniformity of the coating on the powder particle surface is enhanced, and a surface-coated powder can be obtained with a better feeling of use and a better adhesion to the skin.
• the component (B) thus obtained is one in which the powder surface is coated with an amino-modified silicone, and the coating amount thereof is not particularly limited.
• the used mass ratio of the powder that can be surface-coated and the amino-modified silicone is (surface-coated, in that the component (B) has a smoother, lighter feel, moist feeling, and excellent adhesion to the skin.
• Powder): (amino-modified silicone) 99.99: 0.01 to 70:30, preferably 99.9: 0.1 to 90:10.
• the amino-modified silicone-treated powder of the component (B) used in the present invention include, for example, mica Y-2300WA3 (manufactured by Yamaguchi Mica Co., Ltd.), EX-15WA3 (manufactured by Yamaguchi Mica Co., Ltd.), SE-S- 100S (treated powder is sericite) (manufactured by Miyoshi Kasei), SE-TA-13R, SE-TA-46R (treated powder is talc) (manufactured by Miyoshi Kasei), MiyoSYN Fine-SE
• the treated powder include synthetic phlogopite (manufactured by Miyoshi Kasei), SE-MA-23 (treated powder is mica) (manufactured by Miyoshi Kasei), and the like. Alternatively, it may be produced by a known production method.
• the component (B) of the present invention can also be obtained by treating simultaneously with or separately from other treating agents (eg, fatty acids, metal soaps, fluorine compounds, etc.) as long as the effects of the present invention are not impaired.
• other treating agents eg, fatty acids, metal soaps, fluorine compounds, etc.
• the outermost layer of the component (B) of the present invention is an amino-modified silicone, since the effects of the present invention can be exhibited more remarkably.
• the content of the component (B) in the present invention is not particularly limited, but the lower limit of the total amount of the cosmetic from the viewpoint of being excellent in lightness of elongation and spread, smoothness of molded surface, and suppression of squeaky feeling Preferably it is 1 mass% or more, More preferably, it is 3 mass% or more, More preferably, it is 5 mass% or more.
• the upper limit thereof is preferably 90% by mass or less, more preferably 60% by mass or less, and still more preferably 40% by mass or less from the viewpoint of cost.
• the numerical value range is preferably 1 to 90% by mass, more preferably 5 to 90% by mass, and still more preferably 5 to 60% by mass, and more preferably 5 to 40% by mass in the total amount of the cosmetic. It is particularly preferable that the lightness of the spread, the smoothness of the surface of the molded product, the suppression of the squeaky feeling, the impact resistance and the like are more excellent.
• the silicone oil of component (C) used in the present invention is not particularly limited as long as it is generally used in cosmetics.
• silicone oil dimethylpolysiloxane, phenyl-modified silicone (eg, methylphenylpolysiloxane etc.), alkyl-modified silicone, cyclic siloxane (eg octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane etc.), methyltrimethicone, polyether
• modified methyl polysiloxane oleyl modified methyl polysiloxane, polyvinyl pyrrolidone modified methyl polysiloxane etc.
• One or two or more of these can be appropriately selected and used.
• silicone oils of the component (C) it is preferable to use dimethylpolysiloxane and / or phenyl-modified silicone in view of the smoothness of the surface of the molded product and the excellent removal efficiency of the solvent and the non-shrinkage of the molded product. .
• phenyl-modified silicone examples include, for example, triphenyldimethylvinyldisiloxane (for example, commercial product: SILSHINE VP), diphenylsiloxyphenyl trimethicone (for example, commercial product: KF-56 (methylphenylpolysiloxane), etc.), trimethyl Examples include, but are not limited to, pentaphenyltrisiloxane, diphenyldimethicone (eg, commercially available product: silicon KF-54 (methylphenylpolysiloxane), etc.), trimethylsiloxyphenyl dimethicone (eg, commercially available product: BELSIL PDM 1000, etc.) It may be produced by a known production method.
• triphenyldimethylvinyldisiloxane for example, commercial product: SILSHINE VP
• diphenylsiloxyphenyl trimethicone for example, commercial product: KF-56 (methylphenyl
• One or two or more of these can be used. Furthermore, among these, when using dimethylpolysiloxane and / or methylphenylpolysiloxane (preferably diphenylsiloxyphenyl trimethicone etc. mentioned above), the smoothness of the surface of the molded product and the removal efficiency of the solvent are excellent and the shrinkage of the molded product is excellent. It is more preferable from the point of being excellent in easiness.
• the average molecular weight of the silicone oil of the component (C) used in the present invention is not particularly limited, but is 500 to 15,000 from the viewpoints of smooth use feeling and excellent solvent removal efficiency and excellent non-shrinkage of molded products. Is preferred.
• the property is not particularly limited, but is preferably liquid at 25 ° C. because it is excellent in smooth use feeling and removal efficiency of the solvent and excellent in non-shrinkage of the molded product.
• KF-96A-6CS manufactured by Shin-Etsu Chemical Co., Ltd.
• KF-96-10 CS manufactured by Shin-Etsu Chemical Co., Ltd.
• SH200C FLUID 6CS manufactured by Toray Industries, Inc.
• KF-56 manufactured by Toray Industries, Inc.
• Shin-Etsu Chemical Co., Ltd. KF-54 (Shin-Etsu Chemical Co., Ltd.), etc.
• KF-96A-6CS manufactured by Shin-Etsu Chemical Co., Ltd.
• KF-96-10 CS manufactured by Shin-Etsu Chemical Co., Ltd.
• SH200C FLUID 6CS manufactured by Toray Industries, Inc.
• KF-56 manufactured by Toray Industries, Inc.
• Shin-Etsu Chemical Co., Ltd. Shin-Etsu Chemical Co., Ltd.
• KF-54 Shin-Etsu Chemical Co., Ltd.
• the content of the component (C) used in the present invention is not particularly limited as long as it exerts the effects of the present invention, but is preferably 4 to 30% by mass, and is 4 to 20% by mass. More preferably, it is particularly preferably 4 to 15% by mass.
• the content of the component (C) is less than 4% by mass, satisfactory feeling in use and removal efficiency of the solvent are excellent, and shrinkage of the molded product becomes difficult to obtain, and when it is more than 30% by mass, impact resistance Unfavorably likely to be inferior to.
• the content mass ratio of the component (C) / totally blended oil agent is preferably 0.3 to 1.0, more preferably 0.6 to 1.0, and particularly preferably 0.65 to 0.9. It is. When this ratio is high, it is possible to impart high transparency and to improve impact resistance while suppressing shrinkage.
• the content mass ratio of the component (A) and the component (C) used in the present invention is not particularly limited, it is preferably the lower limit value from the viewpoint of excellent solvent removal efficiency and excellent non-shrinkage of molded products.
• dimethylpolysiloxane and / or phenyl-modified silicone in the component (C) because it can improve gloss and impart high transparency while suppressing shrinkage.
• the silicone oil (C) preferably contains at least methylpolysiloxane and / or phenyl-modified silicone, preferably 50% by mass or more, more preferably 80% by mass or more, still more preferably 90% by mass or more, and further
• the silicone oil is preferably 95% by mass or more, more preferably 98% by mass or more, and substantially composed of methylpolysiloxane and / or phenyl-modified silicone (more preferably diphenylsiloxyphenyl trimethicone described above).
• substantially means that other components may be contained within the range that does not impair the effect of the present invention.
• the lower limit of the content of dimethylpolysiloxane in component (C) is preferably 0.1% by mass or more, more preferably 1% by mass or more, and still more preferably 2% by mass or more. Preferably it is 15 mass% or less, More preferably, it is 10 mass% or less.
• the content of the phenyl-modified silicone in the component (C) is preferably 5% by mass or more, more preferably 10% by mass or more, more preferably 30% by mass or more, still more preferably 40% by mass as its lower limit.
• the content is more preferably 45% by mass or more, and the upper limit thereof is preferably 95% by mass or less, more preferably 90% by mass or less, and still more preferably 85% by mass or less.
• the numerical range is more preferably 40 to 90% by mass.
• component (D) partially cross-linked organopolysiloxane polymer a partially crosslinked organopolysiloxane polymer can be used.
• a partially crosslinked organopolysiloxane polymer when expressed by Japanese cosmetic name, partially cross-linked methylpolysiloxane such as (dimethicone / vinyl dimethicone) cross polymer; partially cross-linked methyl phenyl poly such as (dimethicone / phenyl dimethicone) cross polymer A siloxane etc. are mentioned.
• examples of the polymer having a polyoxyalkylene group in the molecule include partially cross-linked polyether-modified silicones such as (dimethicone / (PEG-10 / 15)) crosspolymer, and the like.
• partially cross-linked alkyl-modified silicone such as (vinyl dimethicone / lauryl dimethicone) cross polymer can be mentioned.
• polymers containing a polyoxyalkylene group and a long chain alkyl group in the molecule include partially cross-linked alkyl polyether co-modified silicones such as (PEG-15 / lauryl dimethicone) crosspolymer, (lauryl dimethicone / poly Glycerin-3) Partially cross-linked polyglycerin-modified silicones such as crosspolymers may, for example, be mentioned.
• the polymer containing a halogenated hydrocarbon group in the molecule include partially crosslinked fluorine-modified silicones such as (trifluoropropyldimethicone / trifluoropropyldivinyldimethicone) crosspolymer.
• Component (D) is not particularly limited to these specific examples, and may be produced by a known production method. These can be used alone or in combination of two or more.
• partially crosslinked methylpolysiloxanes such as (dimethicone / vinyl dimethicone) crosspolymers; partially crosslinked methylphenylpolysiloxanes such as (dimethicone / phenyl dimethicone) crosspolymers; (dimethicone / (PEG -10/15)) Partially crosslinked polyether-modified silicone such as crosspolymer; Partially crosslinked alkyl-polyether co-modified silicone such as (PEG-15 / lauryldimethicone) crosspolymer; (lauryldimethicone / polyglycerin-3) Partially cross-linked polyglycerin-modified silicones such as crosspolymers are more preferable from the viewpoint of enhancing smooth feeling in use and impact resistance.
• Component (D) is more preferably used in a state of being swollen with an oil such as silicone oil of component (C), because it is more likely to be uniformly dispersed and the stability of the preparation is excellent.
• Component (D) is often marketed in the form of a mixture with a solvent such as the above-mentioned oil and the like, and such commercial products can be used in the present invention.
• component (D) Commercially available products of component (D) include, for example, KSG-15 (solid content 5%) as a mixture of partially crosslinked methylpolysiloxane and cyclic silicone; KSG as a mixture of partially crosslinked methylpolysiloxane and dimethylpolysiloxane -16 (solid content: 20 to 30%); KSG-18 (solid content: 10 to 20%) as a mixture of partially crosslinked methylphenylpolysiloxane and phenyltrimethicone, partially crosslinked polyether-modified silicone and dimethylpolysiloxane KSG-210 (solid content 20 to 30%) as a mixture of KSG-41 (solid content 25 to 35%) and KSG-42 (solid content 20 to 30% as a mixture of partially cross-linked alkyl-modified silicone and oil agent ), KSG-43 (25-35% solids) and KSG-44 (25-35% solids), parts KSG-310 (solid content 25 to 35%), KSG-320 (solid content 20 to
• the partially crosslinked fluorine-modified silicone is used as a mixture with a cyclic fluorine-containing silicone such as a fluoroalkyl group-containing cyclic organopolysiloxane, and, for example, KSG-51 (solid content 15 to 25%: Shin-Etsu Chemical Co., Ltd.) Can be mentioned.
• the commercial item of the component (D) is not limited to this, and may be produced by a known production method. Moreover, these can be used 1 type or in combination of 2 or more types.
• Component (D) can be used alone or in combination of two or more as needed, and the content thereof is not particularly limited, but the smoothness of the surface of the molded product and the absence of a feeling of stain etc.
• the total amount of the cosmetic composition is preferably 0.05 to 5% by mass, and more preferably 0.3 to 3% by mass.
• partially crosslinked methylpolysiloxane such as (dimethicone / vinyl dimethicone) crosspolymer is preferably 50% by mass or more, more preferably 80% by mass or more, and still more preferably 90% by mass or more.
• Component (E) fluorination / hydroxylation / oxidation) / (Mg / K / silicon)>
• (fluorination / hydroxylation / oxidation) / (Mg / K / silicon) can be further used as the component (E).
• Component (E) fluorinated / hydroxylated / oxidized) / (Mg / K / silicon) may be any one as long as it is generally used for cosmetics, and its particle shape (spherical, needle-like, plate-like, indeterminate form) Any one can be used regardless of particle size (eg, fume, fine particle, pigment grade, etc.), particle structure (porous, non-porous, etc.), etc. Although it is not particularly limited, it is more preferably in the form of a plate from the viewpoint of obtaining more excellent transparency.
• the average particle size (D50) of the component (E) is not particularly limited, but is preferably 1 to 20 ⁇ m, and preferably 3 to 18 ⁇ m from the viewpoint of light elongation and spread on the skin and high transparency.
• the thickness is more preferably 3 to 15 ⁇ m, more preferably 5 to 15 ⁇ m, and particularly preferably 5 to 14 ⁇ m.
• component (E) Commercially available products of component (E) include, for example, soft sericite T-6 (average particle size: 5 to 7 ⁇ m) and soft sericite SH (average particle size: 5 to 7 ⁇ m) (both manufactured by Dainippon Kasei Co., Ltd.) , Micro mica MK-200 K (average particle size: 5.8 to 8.2 ⁇ m), Micro mica MK-300 K (average particle size: 11.6 to 13.1 ⁇ m) (both manufactured by Katakura Coop Aggri Co., Ltd.), etc.
• the present invention is not limited thereto, and may be produced by a known production method. Moreover, these can be used 1 type or in combination of 2 or more types.
• the content of the component (E) in the present invention is not particularly limited, but it is preferably 1 mass as the lower limit in the total amount of the cosmetic, from the viewpoint of obtaining more excellent transparency and natural gloss. % Or more, more preferably 3% by mass or more, further preferably 5% by mass or more, and the upper limit thereof is preferably 90% by mass or less, more preferably 70% by mass or less, still more preferably 60% by mass or less .
• the numerical value range is preferably 1 to 90% by mass, more preferably 3 to 90% by mass, and still more preferably 5 to 90% by mass, and 5 to 50% by mass in the total amount of the cosmetic. Is particularly preferred.
• a metal oxide having a larger particle size than that of the component (A) can be used as the component (F).
• the “metal oxide having a particle diameter larger than that of the component (A)” is hereinafter defined as “large-diameter metal oxide”. More preferably, the said large particle size metal oxide is larger than the upper limit (more preferably more than 0.15 micrometer) of the average particle diameter (D50) of a component (A).
• the average particle size (D50) of the large particle size metal oxide of the component (F) is preferably at least 0.15 ⁇ m, more preferably 0.2 ⁇ m or more, still more preferably 0.3 ⁇ m or more, as the lower limit.
• the upper limit thereof is preferably 10 ⁇ m or less, more preferably 5 ⁇ m or less, and still more preferably 4 ⁇ m or less.
• the range is more preferably 0.15 ⁇ m or more and 5 ⁇ m or less.
• component (F) large particle size metal oxide is a particle shape other than the average particle size, particle structure, material, kind of metal compound, and the above-mentioned ⁇ Component (A) fine particle metal compound such as surface treatment methods thereof.
• an inorganic pigment such as a white inorganic pigment such as barium or a colored inorganic pigment such as iron oxide.
• titanium oxide and / or zinc oxide as a white inorganic pigment, and it is more preferable to contain iron oxide as a colored inorganic pigment.
• you may combine these and 1 type, or 2 or more types selected from a titanium oxide, a zinc oxide, and an iron oxide are preferable.
• These large particle size metal oxides may be surface-treated with oxides and / or hydroxides of aluminum, and oxides and / or hydroxides of silicon.
• these powders may be used as one or two or more composites, and may be obtained by a known method using a fluorine compound, silicone oil, metal soap, surfactant, oil, hydrocarbon and the like. It may be surface treated.
• component (F) for example, MP-18, MP-701, MP-1133 (Table 1, No. 2 in the Examples described later), MP-40, MP-100, etc. or their composite powder ( Made by Tayca Corporation; MKR-1 (made by Fuso Chemical Industry Co., Ltd.); SYMPHOLIGHT series (made by JGC Catalysts & Chemicals Co., Ltd.); RONAELAIR BLANCSEALER (made by Merck Performance Materials); XZ-300F, XZ-1000F, XZ-3000F etc Composite powder thereof (made by Sakai Chemical Industry Co., Ltd.); ZnO-CX (made by Sumitomo Osaka Cement Co., Ltd.); TAROX series (made by titanium industry Co., Ltd., P or HP grade various: TAROX R-516P, TAROX YP1200P, TAROX BL-100P Etc.
• Component (F) may also be produced by a known production method.
• the content of the component (F) in the present invention is not particularly limited, but is preferably 20 mass% as the upper limit value in the total amount of the cosmetic, from the viewpoint of obtaining more excellent transparency and natural gloss. % Or less, more preferably 15% by mass or less, further preferably 10% by mass or less.
• the numerical value range is preferably 1 to 20% by mass, and more preferably 2 to 10% by mass.
• the shape, size, etc. of the boron nitride of the component (G) in the present invention is not particularly limited, but is preferably a plate-like shape, and as the size, the average particle diameter (D50) is 3 to 40 ⁇ m. Some are preferable, and more preferably, the average particle diameter (D50) is 5 to 40 ⁇ m, and more preferably 6 to 36 ⁇ m.
• the component (G) boron nitride may be surface-treated by a well-known method, the said component (B) amino modified silicone treatment boron nitride is remove
• component (G) As commercial products of component (G), for example, SHP-3, SHP-5 (No. 4 in Example 17), SHP-6 (No. 4 in Example 18), SHP-9, SHP-100, etc. SHP series (made by Mizushima Kotetsu Co., Ltd.); CCS 102 BORON NITRIDE POWDER (No. 5 of Example 16) (made by Momentive Performance Materials) etc. may be mentioned, but it is not limited thereto, and it is also known It may be manufactured by the manufacturing method of Moreover, these can be used 1 type or in combination of 2 or more types.
• the content of the component (G) in the present invention is not particularly limited, but is preferably 0.1% by mass as the lower limit value in the total amount of the cosmetic, from the viewpoint of more excellent transparency and smooth feeling of use etc.
• the upper limit is preferably 10% by mass or less, more preferably 8% by mass or less, more preferably 7% by mass or less, and still more preferably 6% by mass or less.
• the numerical value range is preferably 0.1 to 7% by mass, more preferably 1 to 6.5% by mass, and particularly preferably 2 to 6% by mass in the total amount of the cosmetic. Within this range, unnatural concealment is less likely to occur and transparency can be more preferably maintained.
• the solid powder cosmetic composition of the present invention should optionally contain optional components in a quantitative and qualitative range that do not impair the effects of the present invention according to the purpose.
• optional components specifically, powders other than the above components (A), (B), (E), (F), (G), oils other than the above components (C), (D), surface activity Agents, UV absorbers, moisturizers, anti-fading agents, antioxidants, cosmetic ingredients, preservatives, water-soluble polymers, metal soaps, excipients, cosmetic ingredients, texture modifiers, and perfumes, etc.
• the solid powder cosmetic composition of the present invention can appropriately contain various components selected from one or more kinds.
• a component generally used for solid powder cosmetic can be appropriately used as needed.
• the powder of the above-mentioned optional component (that is, powder other than the components (A), (B), (E), (F) and (G)) has a particle shape (spherical, needle-like, plate-like, It is not particularly limited by the irregular shape etc., particle size (fume, fine particles, pigment grade etc.), particle structure (porous, non-porous etc.) etc., inorganic powders, organic powders, composite powders , Etc.
• inorganic powders such as aluminum oxide, magnesium oxide, zirconium oxide, magnesium carbonate, calcium carbonate, talc, kaolin, silica, silicon carbide, etc .; magnesium stearate, zinc stearate, N-acyl lysine, nylon etc.
• Organic powders White inorganic pigments such as titanium oxide, zinc oxide, cerium oxide and barium sulfate; Iron oxides, carbon black, chromium oxide, chromium hydroxide, bitumen, ultramarine, colored inorganic pigments such as bengara; Red No.
• Organic pigment powder such as Red 202, Red 205, Red 226, Red 228, Orange 203, Orange 204, Blue 404, Yellow 401, etc .; Red 3, Red 104, Red 106, Zirconium such as Orange No. 205, Yellow No. 4, Yellow No. 5, Green No. 3, Blue No. 1, etc., barium, or aluminum Rk in such organic pigments powders; or more, aluminum powder, gold powder, metal powder such as silver powder and the like, these may be used alone or in combination of two or more.
• the solid powder cosmetic includes various components such as oil agent, water-soluble polymer, metal soap, excipient, cosmetic component, touch modifier and the like in the composition containing the main component as powder.
• a cosmetic base material which is molded into a solid by a dry molding method, a wet molding method or the like.
• the content of the powder containing the components (A), (B), (E), (F) and (G) in the solid powder cosmetic composition of the present invention is not particularly limited, but the effect of the present invention is more
• the upper limit of the total amount of the cosmetic composition is preferably 40% by mass or more, more preferably 50% by mass or more, and still more preferably 60% by mass or more, as the lower limit value, from the viewpoint of exhibiting remarkable effects etc.
• the numerical range is preferably 40 to 96% by mass, more preferably 65 to 96% by mass, and particularly preferably 70 to 96% by mass in the total amount of the cosmetic.
• the method for producing a solid powder cosmetic according to the present invention can apply a known method for producing a solid powder cosmetic.
• the method for producing a solid powder cosmetic composition of the present invention comprises preparing a mixture by mixing a cosmetic base (for example, powder, oil, etc.) and a solvent, and forming the mixture into a container etc. It is preferable to include.
• a cosmetic base for example, powder, oil, etc.
• a solvent for example, a solvent
• components usable for producing a solid powder cosmetic can be appropriately used.
• the method for producing the solid powder cosmetic of the present invention it is preferable to use a wet molding method, and more specifically, to use a wet molding method including mixing a powder, an oil agent and a solvent. Is more preferred.
• the cosmetic base and the oil can be mixed to obtain the solid powder cosmetic of the present invention.
• the solid powder cosmetic composition of the present invention can be obtained by mixing a solvent and a cosmetic base (for example, a powder and an oil agent etc.) to obtain the solid powder cosmetic composition of the present invention. It may be mixed with the oil simultaneously or separately.
• component (A), (B) and component (E), (F), (G) as needed are included.
• a method of mixing powder and an oil containing component (C) and optionally component (D), followed by crushing and dry compression molding; and (ii) components (A), (B) and The powder containing the component (E), the oil agent containing the component (C) and the component (D) as required, and the solvent are mixed to form a slurry, which is formed into a slurry, which is then molded,
• the wet-molding method etc. which remove a solvent and shape
• the solvent also referred to as a solvent
• the solvent is preferably a volatile compound having a boiling point of 260 ° C. or less at normal pressure.
• a solvent (solvent) used when producing the solid powder cosmetic of the present invention specifically, water; or low boiling point alcohol (C1-C4) such as ethyl alcohol, isopropyl alcohol, n-butanol, etc.
• Low-boiling hydrocarbon oils such as isododecane, isohexadecane and light liquid isoparaffin; low-chaining linear or cyclic silicones such as dimethylpolysiloxane having a low degree of polymerization, methyltrimethicone, octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane
• the oil include low-boiling point fluorine compounds such as low-boiling point perfluoropolyether and the like, and these may be used alone or as a mixture of two or more, but not limited thereto. Among these, from the viewpoint of excellent dispersibility of the cosmetic base, it is more preferable to use one or more low boiling point hydrocarbon
• the mixing amount of the solvent is arbitrarily selected so as to impart fluidity to fill the container or the inner plate with the mixture before molding, but the solvent removal efficiency is easy, etc. Therefore, it is more preferable to use 10 to 150 parts of a solvent with respect to 100 parts by mass of the cosmetic base (hereinafter, also simply referred to as "parts"). Further, as a method of removing the solvent, a method of drying as it is or pressurizing after filling the slurry, and removing the volatile solvent (solvent) through an absorber or a discharge hole can also be adopted.
• the total amount of the cosmetic base includes at least the amounts of powder and oil used in the present invention.
• the solid powder cosmetic composition of the present invention is mainly composed of powder, and its application is not particularly limited.
• makeup, cosmetic such as foundation, white powder, eye color, teak color, eyebrow; And whitening powder, sunscreen powder, and other basic cosmetics.
• makeup cosmetics such as foundation, white powder, eye color, teak color, eyebrow; And whitening powder, sunscreen powder, and other basic cosmetics.
• it is suitably used for makeup cosmetics, and more preferably used for foundation and white powder.
• the solid powder cosmetic of the present invention can be applied to the skin, it can also be used as a skin external preparation and quasi drug.
• the solid powder cosmetic composition using the component (A) fine particle metal compound at least the component (B) amino-modified silicone-treated powder and the component (C) silicone oil are used. And providing a method for producing a solid powder cosmetic.
• the component (C) silicone oil is desirably 4 to 30% by mass.
• the solid powder cosmetic composition using the component (A) fine particle metal compound at least the component (B) amino-modified silicone-treated powder and the component (C) silicone oil are used. It can provide the quality improvement method of the said solid powder cosmetics characterized by these.
• the component (C) silicone oil is desirably 4 to 30% by mass.
• the quality improvement method for example, the feeling of squeaky reduction, the smoothness of the surface of the molded product are improved, the shrinkage of the molded product is reduced, and the impact resistance of the composition is improved.
• the solid powder cosmetic composition using the component (A) fine particle metal compound four qualities of squeaky feeling, smoothness of molding surface, shrinkage of molding and impact resistance of composition are improved.
• each component such as the above-mentioned component (D) to the above-mentioned component (G).
• each component such as the above-mentioned component (D) to the above-mentioned component (G).
• ⁇ 1 The configuration described in “solid powder cosmetic” can be adopted, and for the description of the configuration, the above-mentioned ⁇ 1.
• the quality improvement method of the present invention can also be employed as a quality improvement agent or the like.
• a solid powder cosmetic using the component (A) fine particle metal compound at least the component (B) amino-modified silicone-treated powder and the component (C) silicone oil are used. It is possible to provide a quality improver for the solid powder cosmetic.
• the component (C) silicone oil is desirably 4 to 30% by mass.
• the component (B) and the component (C) are used for producing a preparation such as a quality improver for solid powder cosmetics using the component (A) fine particle metal compound. can do.
• the component (B) amino-modified silicone-treated powder and the component (C) silicone oil for quality improvement of a solid powder cosmetic using the component (A) fine particle metal compound; the component (B) and the component A composition comprising component (C); or the use thereof can be provided.
• the component (C) silicone oil is desirably 4 to 30% by mass.
• the present technology can also adopt the following configuration.
• the quality improvement method or quality improvement agent of the said solid powder cosmetics is a reduction in squeakiness, an improvement in the smoothness of the surface of the molded product, a reduction in the shrinkage of the molded product, and an improvement in the impact resistance of the composition.
• component (B) and the component (C) Use of a composition comprising the component (B) and the component (C).
• the average particle diameter (D50) of the component (A) is preferably 0.01 ⁇ m or more and 0.15 ⁇ m or less.
• the component (A) contains one or more selected from titanium oxide and zinc oxide.
• a partially crosslinked organopolysiloxane polymer is further contained as the component (D).
• the component (C) contains a phenyl-modified silicone.
• the above (A) to (C) and a solvent are mixed to form a slurry, which is filled in a container and then the solvent is removed to obtain a solid powder. It is preferred to obtain a cosmetic.
• Production Example 2 Production of amino-modified silicone-treated talc [Production of dimethiconol emulsion] Into a 2-liter polyethylene beaker, 450 g of octamethylcyclotetrasiloxane, 500 g of ion-exchanged water and 6.75 g of sodium lauroyl methyl taurine are prepared and premixed by a homomixer stirring at 2000 rpm, and 4 g of citric acid is added to 70 ° C. The temperature was raised and emulsion polymerization was conducted for 24 hours with a homomixer 5000 rpm.
• a high-molecular-weight (a) dimethiconol-containing water emulsion was obtained by emulsification-dispersing once at 50 MPa with a table-top pressurized homogenizer (manufactured by APV Gaulin). Then, 10% sodium carbonate was added to adjust to pH 7 to obtain a water emulsion (2) of (a). It was 10000 when the weight average molecular weight of PS conversion by GPC was calculated
• the diorganopolysiloxane contained in the solid content corresponds to the both-end reactive diorganopolysiloxane represented by the surface coating treatment agent (a): General formula (2).
• the silicone micro-crosslinked product has a soft rubber hardness value of less than 5, a complex elastic modulus of 10,000 to 100,000 Pa in dynamic viscoelasticity measurement (25 ° C., strain rate 17%, shear frequency 4 Hz), loss factor It is desirable to prepare so that tan ⁇ is 1.0 to 2.0.
• the silicone oil one having an average molecular weight of 500 to 15,000 is used.
• the “average particle diameter” (median diameter D50: diameter or long diameter) of each component used in the examples is a scanning electron microscope (SEM) image and image analyzer (Lusex IIIU or its successor model Lusex AP, manufactured by Nireco) It can be determined by measurement of Also, no. No. 13 is TAROX R-516P (average particle size (D50): 0.7 ⁇ m (long diameter), needle-like), NO. TAROX YP 1200 P (average particle size (D50): 0.8 ⁇ m (major axis), needle-like), NO. No.
• TAROX BL-100P average particle size (D50): 0.3 ⁇ m, granular).
• D50 average particle size
• No. 7 Boron nitride has an average particle size (D50) of 8.5 ⁇ m (plate-like).
• no. 8 (fluorinated / hydroxylated / oxidized) / (Mg / K / silicon) has an average particle size (D50) of 5.8 to 8.2 ⁇ m and is plate-like.
• evaluation method The following evaluation items were evaluated by the following methods.
• Examples 1 to 15 and 19 to 23 have excellent transparency, no squeaky feeling, and although the smoothness of the surface of the molded product is excellent, there is no shrinkage of the molded product and impact resistance It was a cosmetic with excellent sex.
• Comparative Example 1 in which a large amount of titanium oxide (No. 2) having an average particle diameter of 0.25 ⁇ m of component (F) was used instead of component (A) was a film whiteness derived from its optical characteristics. Caused a loss of transparency.
• the comparative examples 2 and 3 which do not contain a component (B) were not able to suppress the squeaky feeling originating in fine particle metal oxide, and were inferior in the smoothness and impact resistance of the molding surface.
• Comparative Example 4 using an ester oil instead of the component (C) is extremely inferior in smoothness of the surface of the molded product, non-shrinkage of the molded product, and impact resistance due to the influence of high bond strength with the powder. It was a thing. Further, in Comparative Example 5 in which a large amount of the component (C) is compounded, the removal efficiency of the solvent is deteriorated due to the progress of the wetting of the powder with the oil agent, and the shrinkage of the molded product and the resultant decrease in impact resistance occur. became.
• component (D) partially cross-linked organopolysiloxane polymer as component (D), (fluorination / hydroxylation / oxidation) / (Mg / K / silicon) as component (E), component (D) As F), it was thought that it would be preferable to further use one or more selected from large particle size metal oxides and boron nitride as component (G) for the solid powder cosmetic.
• component (C) silicone oil it is preferable to contain phenyl modified silicone in the said component (C) silicone oil, and the content mass ratio in phenyl modified silicone / component (C) silicone oil is suitably Was considered to be 0.3 or more, more preferably 0.3 to 0.9.
• blending a component. And / or that the content mass ratio of the component (C) in the total oil agent is component (C) / totally blended oil agent 0.6 to 1.0. .
• the red iron oxide used in Examples 19 to 23 was TAROX R-516P, the yellow iron oxide was TAROX YP1200P, and the black iron oxide was a large particle size metal oxide of TAROX BL-100P.
• Example 16 white powder (solid) (Component) (%) 1. Amino-modified silicone-treated talc of Production Example 2 2. Titanium oxide (average particle size: 0.035 ⁇ m) * 1 2 3. Talc remaining amount 4. Mica Titanium 15 5. Boron nitride 5 6. (Fluorinated / hydroxylated / oxidized) / (Mg / K / silicon) * 5 3 7. Polyethylene powder * 12 5 8. Methyl methacrylate crosspolymer * 13 10 9. Bengala 1 10. Yellow iron oxide 2 11. Black iron oxide 0.3 12. Methyl parahydroxybenzoate 0.2 13. Paramethoxycinnamate 2-ethylhexyl 2 14. Pentaerythrityl tetraisostearate 2 15.
• the white powder obtained in this example was evaluated for its effect according to Example 1. As a result, this product is excellent in transparency, no squeakiness, and excellent in the smoothness of the surface of the molded product, but the molded product There was no shrinkage of the resin and the impact resistance was also excellent.
• Example 17 blusher (solid) (Component) (%) 1. Amino-modified silicone-treated mica of Production Example 1 15 2. Amino-modified silicone-treated talc of Production Example 2 2 3. Fine particle titanium oxide (average particle size: 0.035 ⁇ m) * 1 2 4. Boron nitride 5 5. Red No. 226 0.5 6.Octyltriethoxysilane (3%) treated sericite 35 7. Nylon powder (average particle size 10 ⁇ m) 5 8. Styrene powder (average particle size 6 ⁇ m) 5 9. Talc remaining amount 10. Silicone elastomer powder * 14 1 11. Zinc myristate 1 12. Methyl methacrylate crosspolymer 4 13.
• Example 18 Eyebrow (solid) (Component) (%) 1. Fine particle titanium oxide (average particle size: 0.035 ⁇ m) * 1 2 2. Boron nitride (average particle size 5 ⁇ m: plate-like) 5 3. Amino-modified silicone-treated mica oxide of Preparation Example 1 10 4. Amino-modified silicone-treated talc of Production Example 2 30 5.Bengara 0.5 6. Yellow iron oxide 5 7. Black iron oxide 1.5 8. Methyl methacrylate crosspolymer * 13 2 9. Lauroyl lysine 1 10. (fluorination / hydroxylation / oxidation) / (Mg / K / silicon) * 5 5 11. Synthetic wax 2 12. Phospholipid (1%) treated sericite Remaining 13.
• the effect of the eyebrow obtained in this example was evaluated according to Example 1. As a result, it is excellent in transparency, no squeaky, and excellent in smoothness of the surface of a molded product, but it is impact resistant. It was also excellent in sex.
• Lauroyl lysine 4.0 14. Amino-modified silicone-treated talc * 21 10.0 15. Paramethoxycinnamic acid 2-ethylhexyl encapsulated polysilicone-14 capsules 5.0 16. Diphenylsiloxyphenyl trimethicone 8.0 17. Isotrinodecyl isononanoate 5.0 18. Dimethylpolysiloxane 2.0 19. Chlorphenesin 0.2 * 19: MTY-100SAS (manufactured by Tayca Corporation) * 20: MZX-300M (manufactured by Tayca Corporation) * 21: SE-TA-46R (manufactured by Miyoshi Kasei) (Production method) A.
• Example 1 The effect of the powder foundation (solid) obtained in this example was evaluated according to Example 1. As a result, this product is excellent in transparency, no squeaky, and excellent in the smoothness of the surface of a molded product. Also, there was no shrinkage of the molded product and the impact resistance was also excellent.

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