WO2017090981A1 - Composition d'émulsion cosmétique contenant du beurre solide et son procédé de préparation - Google Patents

Composition d'émulsion cosmétique contenant du beurre solide et son procédé de préparation Download PDF

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Publication number
WO2017090981A1
WO2017090981A1 PCT/KR2016/013553 KR2016013553W WO2017090981A1 WO 2017090981 A1 WO2017090981 A1 WO 2017090981A1 KR 2016013553 W KR2016013553 W KR 2016013553W WO 2017090981 A1 WO2017090981 A1 WO 2017090981A1
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Prior art keywords
butter
composition
less
group
polymer spheroid
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PCT/KR2016/013553
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English (en)
Korean (ko)
Inventor
피봉수
남진
김영선
진유진
안순애
강병영
Original Assignee
(주)아모레퍼시픽
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Priority claimed from KR1020160155615A external-priority patent/KR102051560B1/ko
Application filed by (주)아모레퍼시픽 filed Critical (주)아모레퍼시픽
Publication of WO2017090981A1 publication Critical patent/WO2017090981A1/fr

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    • 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
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • 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
    • 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
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • 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
    • 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
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof

Definitions

  • the present specification relates to an emulsion cosmetic composition comprising a solid butter and a method for producing the same.
  • Vegetable butter solid at room temperature is an ingredient that can be variously used in emulsified and anhydrous lip products due to its excellent applicability, usability and moisturizing ability. However, since it is a solid state at room temperature, it may be difficult to stabilize the emulsion when included in the emulsion formulation.
  • the emulsification step is often performed at a high temperature, but during the manufacturing process, the butter may be emulsified in a liquid state. Can be. Due to such a surface shape, the butter can easily penetrate the emulsion film, thereby promoting the coalescing of the emulsion particles.
  • a formulation using a wax, a dispersant, a thickener, etc. is added to increase the viscosity of the formulation, prevent coalescence between the emulsion particles, or use a large amount of a surfactant.
  • a surfactant in a high content may cause skin irritation, and the addition of additional ingredients for enhancing stability may deteriorate the feeling of use or cause excessive viscosity increase.
  • the application possibilities are expanded.
  • One such application is a pickling emulsion that can form stabilized large emulsified particles using fine spherical particles.
  • the contact angle ⁇ is different between the aqueous phase and the oil phase.
  • O / W emulsified particles are formed at a contact angle of 90 ° or more, and W / O emulsified particles are formed at 90 ° or less.
  • the problem to be solved by the present invention is to provide an emulsified cosmetic having excellent emulsion stability including solid butter.
  • the problem to be solved by the present invention is to provide an emulsified cosmetic having excellent emulsion stability while containing a high content of solid butter.
  • the problem to be solved by the present invention is to provide an emulsion cosmetic having excellent emulsion stability in a wide temperature range.
  • the problem to be solved by the present invention is to provide an emulsion cosmetic with excellent stability over time.
  • the present invention is to provide an emulsified cosmetic that can be formulated in a wide range of viscosity to be solved.
  • the problem to be solved by the present invention is to provide an emulsion cosmetic having excellent stability while having a low viscosity flow.
  • the problem to be solved by the present invention is to provide an emulsified cosmetics exhibiting a unique feeling of use due to particle bursting.
  • it is an emulsified cosmetic composition
  • emulsified cosmetic composition comprising amphipathic anisotropic powder and solid butter,
  • a hydrophilic first polymer spheroid and a hydrophobic second polymer spheroid A hydrophilic first polymer spheroid and a hydrophobic second polymer spheroid
  • the first polymer spheroid and the second polymer spheroid are combined at least partially in a structure that penetrates the relative polymer spheroid,
  • the first polymer spheroid has a core-shell structure, and the shell provides an emulsified cosmetic composition.
  • the present invention can provide an emulsion cosmetic having excellent emulsion stability including solid butter.
  • the present invention can provide an emulsified cosmetic having excellent emulsification stability while including a high content of solid butter.
  • the present invention can provide an emulsion cosmetic having excellent emulsion stability in a wide temperature range.
  • the present invention can provide an emulsion cosmetic having excellent stability over time.
  • the present invention can provide an emulsified cosmetic that can be formulated in a wide range of viscosity.
  • the present invention can provide an emulsified cosmetic having excellent stability while having a low viscosity flowability.
  • the present invention can provide an emulsion cosmetic exhibiting a unique feeling of use due to particle bursting.
  • FIG. 1 is a schematic diagram of forming an amphipathic anisotropic powder according to an embodiment of the present invention.
  • Example 2 is a time-lapse optical micrograph of the oil-in-water composition of Example 1 (scale bar: 10 ⁇ m).
  • Example 3 is an optical micrograph according to time and temperature of the oil-in-water composition of Example 2.
  • (meth) acryl may mean acryl and / or methacryl.
  • the particle size of the amphipathic anisotropic powder herein is a measure of the maximum length, which is the longest length of the powder particles.
  • the particle size range of the amphipathic anisotropic powder herein means that at least 95% of the amphipathic anisotropic powder present in the composition falls within this range.
  • the average particle diameter of the emulsified particles means an average value of the diameters of the single particles.
  • the average particle diameter range of the emulsified particles means that at least 95% of the emulsified particles present in the composition fall within the range.
  • solid butter is a solid state at room temperature (15 ° C. to 25 ° C.) and atmospheric pressure, and refers to butter without fluidity.
  • liquid butter refers to butter that is in a liquid state at room temperature (15 ° C. to 25 ° C.) and at atmospheric pressure.
  • Viscosity as used herein means viscosity at room temperature (about 25 ° C) and 1.0 atmospheres.
  • an emulsified cosmetic composition including an amphiphilic anisotropic powder and a solid butter is provided.
  • the solid butter may impart a soft spreadability and moisturizing power to the composition.
  • the solid butter may be butter having a melting point of 30 ° C. or higher.
  • the said melting point is 30 degreeC or more, 35 degreeC or more, 40 degreeC or more, 45 degreeC or more, 50 degreeC or more, or 55 degreeC or more, 65 degrees C or less, 60 degrees C or less, 55 degrees C or less, 50 degrees C or less, 45 degrees C or less.
  • 40 ° C. or less It exists as a solid at room temperature within the above range, can be melted by the body temperature and applied gently, but is not limited thereto.
  • the solid butter may be a vegetable butter, for example, shea butter, cocoa butter, almond butter, apricot butter, cupuacu butter, pistachio butter , Olive butter, babassu butter, avocado butter, jojoba butter, kokum butter, cacao butter, mango butter, soy butter, Grape seed butter, macadamia seed butter and the like can be used.
  • the solid butter may be shea butter.
  • the solid butter is, for example, at least 5% by weight, at least 6% by weight, at least 7% by weight, at least 8% by weight, at least 9% by weight, at least 10% by weight, at least 11% by weight, 12% by weight, based on the total weight of the composition.
  • the solid butter may include, for example, 5 wt% to 50 wt%, 10 wt% to 45 wt%, 15 wt% to 40 wt%, or 20 wt% to 30 wt%.
  • Emulsifying cosmetic composition according to the present embodiment can be maintained in the emulsion stability even if the solid butter in a high content. Within the above range, there is a soft feeling of use and moisturizing effect of the solid butter, it may be excellent in emulsion stability.
  • the amphiphilic anisotropic powder comprises a hydrophilic first polymer spheroid and a hydrophobic second polymer spheroid, wherein the first polymer spheroid and the second polymer spheroid are at least partially counterpart polymer spheroids.
  • the shell may include a functional group.
  • the spheroid is a body composed of a polymer, and may be, for example, a sphere, globoid or oval shape, and based on the longest length in the cross section of the body, It can have a long axis length of units or nano units.
  • the core of the first polymer spheroid and the second polymer spheroid may include a vinyl polymer
  • the shell of the first polymer spheroid may include a copolymer of a vinyl monomer and a monomer containing a functional group
  • the vinyl polymer may be a vinyl aromatic polymer, for example, may be polystyrene.
  • the vinyl monomer may be vinyl aromatic. In one example, the vinyl monomer may be substituted or unsubstituted styrene.
  • the functional group may be a siloxane.
  • the monomer containing a functional group may be a siloxane-containing (meth) acrylate, specifically, 3- (trimethoxysilyl) propyl acrylate, 3- (trimethoxysilyl) propyl methacrylate, vinyl Triethoxysilane, vinyltrimethoxysilane or mixtures thereof.
  • the shell of the first polymer spheroid may be further introduced with a hydrophilic functional group.
  • the hydrophilic functional group may be a negatively charged or positively charged functional group or polyethylene glycol (PEG) series, carboxylic acid group, sulfone group, phosphate group, amino group, alkoxy group, ester group, acetate group, polyethylene glycol group and hydride It may be at least one selected from the group consisting of a hydroxyl group.
  • PEG polyethylene glycol
  • the shell of the first polymer spheroid may be further introduced with a functional group containing a sugar.
  • the sugar-containing functional group is N- ⁇ N- (3-triethoxysilylpropyl) aminoethyl ⁇ gluconamide, N- (3-triethoxysilylpropyl) gluconamide and N- ⁇ N It may be derived from one or more selected from the group consisting of-(3-triethoxysilylpropyl) aminoethyl ⁇ -oligo-hyaluronamide.
  • the amphipathic anisotropic powder may have a symmetrical shape, an asymmetrical snowman shape or an asymmetrical inverse snowman shape based on the bonding portion where the first polymer spheroid and the second polymer spheroid are combined.
  • the snowman shape means that the first and second polymer spheroids having different sizes are bonded to each other.
  • the amphipathic anisotropic powder may have a particle size of 100 to 2500 nm. In another aspect, the amphipathic anisotropic powder may have a particle size of 100 to 1500 nm, 100 to 500 nm, or 200 to 300 nm.
  • the amphiphilic anisotropic powder has a particle size of 100 nm or more, 200 nm or more, 300 nm or more, 400 nm or more, 500 nm or more, 600 nm or more, 700 nm or more, 800 nm or more, 900 nm or more, 1000 nm Or more, 1100 nm or more, 1200 nm or more, 1300 nm or more, 1400 nm or more, or 1500 nm or more, 2500 nm or less, 2400 nm or less, 2300 nm or less, 2200 nm or less, 2100 nm or less, 2000 nm or less, 1900 nm 1800 nm or less, 1700 nm or less, 1600 nm or less, 1500 nm or less, 1400 nm or less, 1300 nm or less, 1200 nm or less, 1100 nm or less, 1000 nm or less, 900 nm or
  • the amphiphilic anisotropic powder may form a large emulsion particles of 2 to 200 ⁇ m.
  • the amphipathic anisotropic powder may be to form large emulsified particles of 5 to 200 ⁇ m, 10 to 100 ⁇ m, 10 to 50 ⁇ m, or 25 ⁇ m.
  • the amphiphilic anisotropic powder is at least 2 ⁇ m, at least 5 ⁇ m, at least 10 ⁇ m, at least 15 ⁇ m, at least 20 ⁇ m, at least 25 ⁇ m, at least 30 ⁇ m, at least 40 ⁇ m, at least 50 ⁇ m, at least 80 ⁇ m, 100 200 ⁇ m or less, 180 ⁇ m or less, 150 ⁇ m or less, 130 ⁇ m or less, 100 ⁇ m or less, 80 ⁇ m or less, 50 ⁇ m or less, 40 ⁇ m or less, 30 ⁇ m or more, 130 ⁇ m or more, 150 ⁇ m or more or 180 ⁇ m or more
  • emulsified particles of 25 ⁇ m or less, 20 ⁇ m or less, 15 ⁇ m or less, 10 ⁇ m or less, or 5 ⁇ m or less can be formed.
  • the hydrophobic portion and the hydrophilic portion of the amphiphilic anisotropic powder can form large emulsion particles by having different orientations to the interface. It is possible to provide an emulsion formulation of a flexible usability having a low viscosity by the large emulsion particles as described above.
  • the interfacial film formed by the general molecular level surfactant forms a dynamic emulsification state
  • the emulsified particles formed by the amphipathic anisotropic powder increase the thickness of the interfacial film to several hundred nm and form a strong interfacial film through strong bonding between the powders. Done.
  • the formation of such an interfacial film improves the stability of the emulsion and can maintain a stable emulsion state without being affected by the polar organic solvent.
  • the composition comprises the amphiphilic anisotropic powder, for example, based on the total weight of the composition, for example, 0.1% by weight, 0.2% by weight, 0.3% by weight, 0.4% by weight, 0.5% by weight, 0.6% by weight or more , At least 0.7 wt%, at least 0.8 wt%, at least 0.9 wt%, or at least 1.0 wt%, at most 20 wt%, at most 19 wt%, at most 18 wt%, at most 17 wt%, at most 16 wt%, 15 wt% Or less, 14 or less, 13 or less, 13 or less, 12 or less, 11 or less, 10 or less, 9 or less, 8 or less, 7 or less, 6 or less, 5 or less Or up to 4 weight percent, or up to 3 weight percent.
  • amphipathic anisotropic powder may be included in an amount of 0.1 wt% to 10 wt% based on the total weight of the composition.
  • Stable emulsion particles can be formed within the above range, and emulsion particles of appropriate size can be formed.
  • the composition of the solid butter and the amphipathic anisotropic powder is a ratio of 1 to 9: 9 to 1, for example 1 to 9: 1, for example 3: 1 by weight ratio of solid butter: amphiphilic anisotropic powder It may include. Emulsification coalescence does not occur within the above range can maintain a stable emulsion state.
  • composition according to the present embodiment has a viscosity of at least 1000 cps, at least 1100 cps, at least 1200 cps, at least 1300 cps, at least 1400 cps, at least 1500 cps, at least 1600 cps, at least 1700 cps, at least 1800 cps, and at least 1900 cps.
  • the viscosity may be 1,000 to 20,000 cps, 1,000 cps to 10,000 cps, 1,000 cps to 7,000 cps, 1,500 cps to 7,000 cps, or 2,000 cps to 6,000 cps.
  • the composition according to the present embodiment can maintain the stability of the emulsion formulation even when it contains a high content of solid butter, it is possible to provide a composition having a wide range of viscosity as described above without containing excessive thickener. Even when solid butter is included in a high content, it is possible to prepare low viscosity compositions, for example, in the range of 1,500 cps to 6,000 cps, 2,000 cps to 5,000 cps, or 2,500 cps to 4,000 cps. It is possible to provide a flexible and flexible formulation within the above range can exhibit a fresh feeling without stickiness.
  • the method of manufacturing a cosmetic composition according to an embodiment of the present invention may include preparing the amphiphilic anisotropic powder and emulsifying the oil phase part and the water phase using the prepared amphipathic anisotropic powder.
  • the amphipathic anisotropic powder is prepared by polymerizing a first monomer to prepare a core of a first polymer spheroid, and coating a core of the first polymer spheroid to the first polymer sp of the core-shell structure It may be prepared to prepare the Lloyd, and reacting the first polymer spheroid and the first monomer of the core-shell structure to prepare an amphiphilic anisotropic powder in which the second polymer spheroid is formed.
  • the core of the first polymer spheroid may be penetrated through the shell of the first polymer spheroid, and then powdered to form a second polymer spheroid.
  • the amphiphilic anisotropic powder may be prepared by (1) stirring a first monomer and a polymerization initiator to prepare a core of a first polymer spheroid; (2) stirring the core of the prepared first polymer spheroid with a monomer containing a first monomer, a polymerization initiator, and a functional group to prepare a coated core-shell structured first polymer spheroid; (3) stirring the first polymer spheroid of the core-shell structure prepared above with the second monomer and the polymerization initiator to prepare an amphiphilic anisotropic powder in which the second polymer spheroid is formed.
  • the stirring may be rotary stirring.
  • Rotational agitation is preferred because uniform mechanical mixing is required along with chemical modification to produce uniform particles.
  • the rotary stirring may be rotary stirring in a cylindrical rotary reactor, but the rotary stirring method is not limited thereto.
  • the size and location of the baffles in the cylindrical rotary reactor and the degree of spacing with the impeller greatly affect the uniformity of the particles produced. It is desirable to minimize the blade gap between the inner wing and the impeller to equalize the convective flow and its strength, and to supply the powder reaction liquid below the wing length and maintain the impeller rotation speed at a high speed. It may be rotated at a highway of 200 rpm or more, and the ratio of the length of the diameter and the height of the reactor may be 1 to 3: 1 to 5, more specifically, 10 to 30 cm in diameter and 10 to 50 cm in height. The reactor size can vary in proportion to the reaction capacity. In addition, the material of the cylindrical rotary reactor may be a ceramic, glass, and the like, the temperature of the stirring is preferably 50 to 90 °C.
  • the simple rotary method enables the production of uniform particles and is a low energy method that requires less energy, and has a characteristic of enabling mass production by maximizing reaction efficiency.
  • the tumbling method in which the reactor itself rotates in the related art requires high energy and rotates the reactor at a predetermined angle, thus requiring high energy and restricting the size of the reactor. Due to the limitations of the reactor size, the amount produced is also limited to small amounts of about several hundred mg to several g, making it unsuitable for mass production.
  • the first monomer and the second monomer may be the same or different, specifically, may be a vinyl monomer.
  • the first monomer added in step (2) is the same as the first monomer used in step (1), the polymerization initiator used in each step may be the same or different.
  • the vinyl monomer may be vinyl aromatic. In one example, the vinyl monomer may be substituted or unsubstituted styrene.
  • the polymerization initiator may be a radical polymerization initiator, specifically, may be a peroxide-based, azo-based or a mixture thereof. Moreover, ammonium persulfate, sodium persulfate, potassium persulfate can also be used.
  • the first monomer and the polymerization initiator may be mixed in a weight ratio of 100 to 1000: 1. In another aspect, the first monomer and the polymerization initiator may be mixed in a weight ratio of 100 to 750: 1, or 100 to 500: 1, or 100 to 250: 1.
  • a stabilizer may be added together with the first monomer and the polymerization initiator to mix the first monomer, the polymerization initiator, and the stabilizer in a weight ratio of 100 to 1000: 1: 0.001 to 5.
  • the powder size and shape are determined according to the size adjustment of the first polymer spheroid in the initial stage (1), and the first polymer spheroid size can be adjusted according to the weight ratio of the first monomer, the polymerization initiator and the stabilizer.
  • the weight ratio of the said range there exists an effect which can raise the uniformity of anisotropic powder.
  • the stabilizer may be an ionic vinyl monomer, specifically sodium 4-vinylbenzenesulfonate may be used. Stabilizers prevent swelling of the resulting particles and impart positive or negative charges to the surface of the powder to electrostatically prevent mutual coalescence (bonding) during particle generation.
  • the weight ratio of the first monomer, the polymerization initiator, and the stabilizer is 110 to 130: 1: 1 to 5, specifically 115 to 125: 1: 1 to 2-4 It can be prepared from 1 polymer spheroid.
  • the weight ratio of the first monomer, the polymerization initiator and the stabilizer is 225 to 240: 1: 1 to 3, specifically 230 to 235: 1: 1 to 3 It can be prepared from the first polymeric spheroid.
  • the amphiphilic anisotropic powder has a size of 1100 to 2500 nm
  • the first polymer having a weight ratio of the first monomer, the polymerization initiator, and the stabilizer is 110 to 130: 1: 0, specifically 115 to 125: 1: 0 It can be prepared from spheroids.
  • amphipathic anisotropic powder of the asymmetrical snowman shape has a weight ratio of the first monomer, the polymerization initiator, and the stabilizer of 100 to 140: 1: 8 to 12, specifically 110 to 130: 1: 9 to 11 It can be prepared from polymeric spheroids.
  • amphipathic anisotropic powder of the asymmetric inverse snowman shape is made of a weight ratio of the first monomer, the polymerization initiator, and the stabilizing agent is 100 to 140: 1: 1 to 5, specifically 110 to 130: 1: 1 to 2-4 It can be prepared from 1 polymer spheroid.
  • the monomer containing a functional group in the step (2) may be a siloxane-containing (meth) acrylate, specifically, 3- (trimethoxysilyl) propyl acrylate, 3- (trimethoxysilyl) propyl Methacrylate, vinyltriethoxysilane, vinyltrimethoxysilane or mixtures thereof.
  • the monomer containing the first monomer, the polymerization initiator and the functional group in the step (2) may be mixed in a weight ratio of 80 to 98: 0.2 to 1.0: 1 to 20.
  • the first monomer, the polymerization initiator and the monomer containing a functional group may be mixed in a weight ratio of 160 to 200: 1: 6 to 40.
  • the degree of coating can be adjusted according to the weight ratio, and the shape of the amphipathic anisotropic powder is subsequently determined according to the degree of coating, and when reacting with the weight ratio, the coating thickness increases to about 10-30%, specifically 20%, relative to the initial thickness.
  • the coating is too thick so that powdering does not proceed or is too thin so that the powdering proceeds well without the problem of powdering in multiple directions. Moreover, by mixing in the weight ratio of the said range, there exists an effect which can raise the uniformity of anisotropic powder.
  • a part of the core of the first polymer spheroid protrudes through the shell from one direction of the first polymer spheroid of the core-shell structure, and the protrusion grows by the polymer of the second monomer to form an anisotropic powder. It can form the form of.
  • the second monomer and the polymerization initiator may be mixed in a weight ratio of 150 to 250: 1.
  • the second monomer and the polymerization initiator are 160 to 250: 1, or 170 to 250: 1, or 180 to 250: 1, or 190 to 250: 1, or 200 to 250: 1, or 210 to 250 It can be mixed in a weight ratio of: 1, or 220 to 250: 1, or 230 to 250: 1, or 240 to 250: 1.
  • the second monomer, the polymerization initiator and the stabilizer may be added together with the second monomer and the polymerization initiator to mix the second monomer, the polymerization initiator and the stabilizer in a weight ratio of 150 to 250: 1: 1: 0.001 to 5.
  • the specific kind of stabilizer is as above-mentioned.
  • the second monomer content in the step (3) may be mixed to 40 to 300 parts by weight when the weight of the first polymer spheroid of the core-shell structure is 100 parts by weight.
  • an asymmetric snowman type powder is obtained, and 100 to 150 parts by weight, or 110 to 150 parts by weight.
  • parts by weight a symmetrical powder is obtained, and in the case of 150 to 300 parts by weight, or in the case of 160 to 300 parts by weight, an asymmetric inverse snowman type powder is obtained.
  • by mixing in the weight ratio of the said range there exists an effect which can raise the uniformity of anisotropic powder.
  • (4) when preparing the amphipathic anisotropic powder according to an embodiment of the present invention, after the step (3), (4) may further include introducing a hydrophilic functional group into the prepared anisotropic powder. have.
  • the hydrophilic functional group in step (4) is not limited thereto, but may be introduced using a silane coupling agent and a reaction regulator.
  • the silane coupling agent is (3-aminopropyl) trimethoxysilane, N- [3- (trimethoxysilyl) propyl] ethylenediamine, N- [3- (trimethoxysilyl) propyl] ethylenedi Ammonium chloride, (N-succinyl-3-aminopropyl) trimethoxysilane, 1- [3- (trimethoxysilyl) propyl] urea and 3-[(trimethoxysilyl) propyloxy] -1,2 It may be one or more selected from the group consisting of propanediol, specifically N- [3- (trimethoxysilyl) propyl] ethylenediamine.
  • the silane coupling agent may be mixed in an amount of 35 to 65 parts by weight, for example 40 to 60 parts by weight, based on 100 parts by weight of the anisotropic powder prepared in step (3). Hydrophilization can be suitably made within the said range.
  • reaction modifier may be ammonium hydroxide.
  • reaction regulator may be mixed in an amount of 85 parts by weight to 115 parts by weight, for example 90 parts by weight to 110 parts by weight, based on 100 parts by weight of the anisotropic powder prepared in step (3). Hydrophilization can be suitably made within the said range.
  • the functional group containing sugar in step (4) is not limited thereto, but may be introduced using a sugar-containing silane coupling agent and a reaction regulator.
  • the sugar-containing silane coupling agent is N- ⁇ N- (3-triethoxysilylpropyl) aminoethyl ⁇ gluconamide, N- (3-triethoxysilylpropyl) gluconamide And N- ⁇ N- (3-triethoxysilylpropyl) aminoethyl ⁇ -oligo-hyaluronamide.
  • the reaction modifier may be ammonium hydroxide.
  • the reaction regulator may be mixed in an amount of 85 parts by weight to 115 parts by weight, for example 90 parts by weight to 110 parts by weight, based on 100 parts by weight of the anisotropic powder prepared in step (3).
  • Introduction of the functional group containing a sugar in the said range can be made suitably.
  • Amphiphilic anisotropic powder according to the above method does not use a crosslinking agent, there is no entanglement in production, the yield is high and uniform, and it is easy to mass-produce compared to the tumbling method using a simple stirring method.
  • composition according to the present embodiment may be an oil-in-water type or a water-in-oil type emulsion composition, for example, may be an oil-in-water type.
  • the emulsion cosmetic composition may further include a liquid butter.
  • the liquid butter may be, for example, but not limited to liquid shea butter.
  • the liquid butter may be included in an amount of 0.1 wt% to 20 wt%, for example 0.5 wt% to 15 wt%, for example 1 wt% to 10 wt%, based on the total weight of the composition. Further comprising the liquid butter may improve the skin moisturizing power and smooth application of the composition.
  • the weight ratio of solid butter and liquid butter may be solid butter: liquid butter 1: 5-2: 1.
  • the weight ratio of solid butter and liquid butter may be solid butter: liquid butter 1: 5-2: 1.
  • the emulsion cosmetic composition may further comprise a thickener or dispersant.
  • Amphiphilic anisotropic powder according to the embodiment of the present invention can be used to provide emulsification stability, but may further include a small amount of the thickener or dispersant to adjust the viscosity or to enhance the emulsion stability.
  • the thickener or dispersant may include 0.001% to 5% by weight, for example, 0.01% to 1% by weight based on the total weight of the composition, but is not limited thereto.
  • composition according to the present embodiment may include solid butter to provide soft spreadability and skin moisturizing power.
  • composition according to the present embodiment is excellent in emulsification stability in the emulsion formulation while containing a high content of solid butter, it can give a flexible usability as an emulsion composition.
  • the composition according to the present embodiment may include a solid butter as the inner phase of the large emulsified particles, and when applied to the skin, the solid butter may be discharged by the particle burstability of the large emulsified particles to provide a unique feeling.
  • composition according to the present embodiment may include a solid butter, but may implement a low viscosity formulation, thereby providing a flexible emulsified cosmetic with a light and fresh feeling.
  • composition according to this embodiment can provide a stable emulsion formulation without including an excess of surfactant, it can be excellent skin stability.
  • composition according to the present embodiment may exhibit emulsion stability over time in a wide temperature range, and the temperature may be, for example, -15 ° C to 60 ° C.
  • composition according to the present embodiment may include a large emulsified particle to provide a flexible and soft feeling.
  • Cosmetic compositions according to embodiments of the present invention may be formulated containing a cosmetically or dermatologically acceptable medium or base. It is any formulation suitable for topical application, in the form of suspensions, microemulsions, microcapsules, microgranules or ionic (liposomal) and nonionic vesicle dispersants or creams, skins, lotions, powders, ointments, sprays or concealers. It may be provided in the form of a stick. It may also be used in the form of a foam or in the form of an aerosol composition further containing a compressed propellant. These compositions can be prepared according to conventional methods in the art.
  • the cosmetic composition according to the embodiments of the present invention may be a powder, a fatty substance, an organic solvent, a dissolving agent, a thickening agent, a gelling agent, a softening agent, an antioxidant, a suspending agent, a stabilizer, a foaming agent, a fragrance, a surfactant.
  • ionic or nonionic emulsifiers fillers, metal ion sequestrants, chelating agents, preservatives, vitamins, blockers, wetting agents, essential oils, dyes, pigments, hydrophilic or lipophilic active agents, lipid vesicles or cosmetics It may contain adjuvants conventionally used in the cosmetic or dermatological fields, such as any other ingredients used. Such adjuvants are introduced in amounts generally used in the cosmetic or dermatological arts.
  • the cosmetic composition according to the embodiments of the present invention may further contain a skin absorption promoting substance to increase the skin improving effect.
  • the component used by the following preparation example is as follows.
  • KPS Potassium persulfate (initiator)
  • SVBS Sodium vinyl benzene sulfonate (stabilizer)
  • AIBN Azobisisobutyronitrile (polymerization initiator)
  • Examples 1 and 2 and Comparative Examples 1 and 2 were prepared according to the compositions of Table 2 below.
  • Examples 1 and 2 are emulsified compositions prepared using amphiphilic anisotropic powders prepared according to Preparation Example 3, and Comparative Examples 1 and 2 are emulsified compositions using general surfactants.
  • the oil phase part is warmed (65 ° C.) for the composition of Table 2 below, and the water phase part is warmed (65 ° C.), and then the anisotropic component is added to the water phase part and stirred so that the anisotropic component is evenly dispersed. After this, the oil phase portion was transferred to the water phase portion to perform primary emulsification, and cooled and degassed.
  • the first emulsification was added to the thickener and then emulsified second.
  • Example 1 Comparative Example 1 Comparative Example 2 Shea Butter 20 30 20 20 Liquid Shea Butter 10 - 10 10 Glyceryl Stearate Citrate - - 3 3 water Remaining amount Remaining amount Remaining amount Remaining amount Water Dispersion Amphipathic Anisotropic Powder (10% Amphipathic Anisotropic Powder) 30 30 - - Phenoxyethanol 0.3 0.3 0.3 0.3 0.3 Ethylhexylglycerin 0.05 0.05 0.05 0.05 0.05 0.05 Xanthan Gum - - 0.1 0.1 Polyacrylate 13 / Polyisobutene / Polysorbate 20 0.5 0.5 - 0.5
  • compositions according to Examples 1, 2 and Comparative Example 1 were maintained at 4 ° C. and ⁇ 15 ° C. for 4 weeks (28 days), and the formulation stability was observed under an optical microscope, and the results are shown in FIGS. 2 to 4. .
  • Viscosity change of the composition over time using a viscometer (VISCOMETER DV-II + Pro, Brookfeild) while maintaining the composition according to Examples 1 and 2 and Comparative Examples 1 and 2 for 4 weeks at 4 °C and -15 °C, respectively was measured and the results are shown in Table 3 below.
  • Example 1 In the results of Table 3, in the case of Example 1 it can be seen that the initial viscosity is very low viscosity changes over time while implementing a low viscosity formulation of about 3000cps.
  • the initial viscosity was adjusted to about 8000 cps by adjusting the thickener, but the viscosity change was very large over time, and it can be seen that the emulsion stability was destroyed.
  • a thickener was used for emulsion stability, but the initial viscosity was formed to be very high at about 30000 cps, and after 7 days, the butter was separated and precipitated in the formulation, and thus viscosity measurement was impossible.

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Abstract

La présente invention concerne une composition d'émulsion cosmétique contenant une poudre anisotrope amphiphile et du beurre solide, ladite poudre anisotrope amphiphile contenant un premier sphéroïde polymère qui est hydrophile et un second sphéroïde polymère qui est hydrophobe, ledit premier sphéroïde polymère et ledit second sphéroïde polymère se liant en pénétrant au moins en partie dans l'autre sphéroïde polymère, ledit premier sphéroïde polymère ayant une structure cœur-écorce, et ladite écorce contenant un groupe fonctionnel.
PCT/KR2016/013553 2015-11-27 2016-11-23 Composition d'émulsion cosmétique contenant du beurre solide et son procédé de préparation WO2017090981A1 (fr)

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KR10-2015-0167180 2015-11-27
KR20150167180 2015-11-27
KR10-2016-0155615 2016-11-22
KR1020160155615A KR102051560B1 (ko) 2015-11-27 2016-11-22 고형 버터를 포함하는 유화 화장료 조성물 및 그 제조방법

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6410035B1 (en) * 1998-09-18 2002-06-25 Beiersdorf Ag Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type
WO2008058297A2 (fr) * 2006-11-10 2008-05-15 Harvard University Particules non sphériques, synthèse contrôlée d'ensembles de celles-ci et utilisations de celles-ci
KR20110037911A (ko) * 2009-10-07 2011-04-13 존슨 앤드 존슨 컨수머 캄파니즈, 인코포레이티드 초친수성 양친매성 공중합체 및 미셀 증점제를 포함하는 조성물
KR20120022971A (ko) * 2009-05-19 2012-03-12 가부시키가이샤 시세이도 화장료
KR20140015499A (ko) * 2011-05-18 2014-02-06 가부시끼가이샤 다이셀 화장료용 오일 조성물
KR20150050303A (ko) * 2013-10-29 2015-05-08 주식회사 엘지생활건강 저융점 버터 또는 왁스를 포함하는 저점도 화장료 조성물
KR20150100171A (ko) * 2014-02-24 2015-09-02 이미경 쉐어 버터 및 기능성 오일을 포함하는 화장료 조성물의 제조방법

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6410035B1 (en) * 1998-09-18 2002-06-25 Beiersdorf Ag Emulsifier-free finely disperse systems of the oil-in-water and water-in-oil type
WO2008058297A2 (fr) * 2006-11-10 2008-05-15 Harvard University Particules non sphériques, synthèse contrôlée d'ensembles de celles-ci et utilisations de celles-ci
KR20120022971A (ko) * 2009-05-19 2012-03-12 가부시키가이샤 시세이도 화장료
KR20110037911A (ko) * 2009-10-07 2011-04-13 존슨 앤드 존슨 컨수머 캄파니즈, 인코포레이티드 초친수성 양친매성 공중합체 및 미셀 증점제를 포함하는 조성물
KR20140015499A (ko) * 2011-05-18 2014-02-06 가부시끼가이샤 다이셀 화장료용 오일 조성물
KR20150050303A (ko) * 2013-10-29 2015-05-08 주식회사 엘지생활건강 저융점 버터 또는 왁스를 포함하는 저점도 화장료 조성물
KR20150100171A (ko) * 2014-02-24 2015-09-02 이미경 쉐어 버터 및 기능성 오일을 포함하는 화장료 조성물의 제조방법

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