WO2023133988A1 - Composition cosmétique à double enveloppe synergique fixant les poudres et verrouillant la couleur - Google Patents

Composition cosmétique à double enveloppe synergique fixant les poudres et verrouillant la couleur Download PDF

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Publication number
WO2023133988A1
WO2023133988A1 PCT/CN2022/078951 CN2022078951W WO2023133988A1 WO 2023133988 A1 WO2023133988 A1 WO 2023133988A1 CN 2022078951 W CN2022078951 W CN 2022078951W WO 2023133988 A1 WO2023133988 A1 WO 2023133988A1
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synergistic
cosmetic composition
locking
double
color
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PCT/CN2022/078951
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English (en)
Chinese (zh)
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俞竟
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上海永熙信息科技有限公司
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Publication of WO2023133988A1 publication Critical patent/WO2023133988A1/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
    • A61K8/18—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
    • A61K8/892—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a hydroxy group, e.g. dimethiconol
    • 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
    • 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
    • A61K2800/42—Colour properties
    • A61K2800/43—Pigments; Dyes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • the invention relates to the technical field of cosmetics, in particular to a double-wrapping cosmetic composition with solid powder, color-locking and synergistic effect.
  • base makeup products including but not limited to foundation, BB cream, makeup cream, base cream and other texture products on the skin and the performance indicators of the products on the skin.
  • base makeup products including but not limited to foundation, BB cream, makeup cream, base cream and other texture products on the skin and the performance indicators of the products on the skin.
  • most of the technologies in this field use the film-forming technology of silicone resin to make the foundation more durable, and at the same time bring the effect of not taking off makeup, but the compatibility of silicone resin with skin and powder is not good enough, resulting in long-lasting makeup. At the same time, it will bring a certain sense of dryness or tightness.
  • the powder surface coating composition is also a technical means used in this type of cosmetics to fix the powder and improve the overall dullness of the product, which includes only one surface treatment technology and two or more multi-component surface coatings processing technology.
  • most of the powder surface treatment technologies in this technical field are still in the stage of simple single AS powder treatment.
  • the object of the present invention is to provide a double-wrapped cosmetic composition with solid powder, color-locking and synergistic synergy.
  • the present invention is realized through the following technical solutions.
  • a double-enveloped cosmetic composition with solid powder and color-locking synergistic synergistic effect which is used for cosmetic facial compositions;
  • At least one polyurethane-7A) obtainable by reacting an isocyanate A1HMDI with a hydroxyl-functionalized polyorganosiloxane A2 and with a polyester polyol polymer A3;
  • polyisocyanate, etc. are included, and HMDI hexamethylene diisocyanate is preferably used.
  • hydroxyl-functionalized polyorganosiloxane the structural formula is HO[(CH3)2SiO]nH, which is a linear polymer with repeated silicon-oxygen bonds as the main chain, methyl groups as side groups, and hydroxyl-terminated linear polymers. .
  • the prepolymer A1) used in the preparation of polyurethane is preferably selected from polyether polyols, polycarbonate polyols, polyether polycarbonate polyols and/or polyester polyols Or a variety of polyols and polyisocyanates are obtained by reacting.
  • the polymethyl silicone resin B) is a methyl MQ type silicone resin, wherein the methyl MQ type silicone resin is a new type of organic silicon material with a three-dimensional nonlinear structure formed by its molecules with Si-O bonds as a skeleton .
  • methyl MQ type silicone resin is [(CH3)3Si01/2]a[Si04/2]b, wherein [(CH3)3SiO1/2] is a monofunctional siloxane chain M, [SiO4 /2] is the tetrafunctional siloxane polycondensation link Q, and the molar ratio of M and Q links is 0.6-0.9, its molar mass is generally 1000-8000, the amount of M links and Q links in the molecular structure The ratio and structure determine the properties and application range of silicone resin.
  • the solid component in the polyurethane-7A) accounts for 0.1% to 5% by weight of the cosmetic composition
  • the solid component in the polymethyl silicone resin B) accounts for 1% to 5% by weight of the cosmetic composition. 10%.
  • the pigments include titanium dioxide, red iron oxide, yellow iron oxide and black iron oxide.
  • it also includes at least one of volatile silicone oil, volatile alkane, water-in-silicone oil emulsifier, polyol, surfactant, preservative, essence, moisturizer and active substance.
  • a double-wrapping cosmetic composition comprising a solid powder-locking color synergistic synergistic effect in skin-fixing makeup.
  • the cosmetic composition forms a very strong spatial network structure through the organic combination of the macromolecular silicone resin and the siloxane group in the macromolecular polyurethane-7, because the structure contains both soft polyurethane groups and non-
  • the polar silicon hydrogen bond can have a very good conformability with the stratum corneum on the skin surface, so it can form an invisible, durable, skin-adhesive and breathable film on the skin surface like a net.
  • the powder in this formula is double-treated with silicone resin and polyurethane-7.
  • silicone resin and polyurethane-7 With the volatilization of volatile oils, a large amount of polyurethane and silicone resin on the surface of the powder and the network macromolecular polymers in the formula such as silicon Resin, polyurethane-7 interweaves together through stronger intermolecular forces, and finally these treated powders can be tightly embedded in the interpenetrating network film, which is soft and skin-friendly and can firmly adhere to the skin
  • it not only improves the durability of the product, but also significantly improves the color rendering of the product and improves the dullness of the product.
  • Fig. 1 is the structural formula schematic diagram of isocyanate compound among the present invention
  • Fig. 2 is the structural formula schematic diagram of polyorganosiloxane in the present invention.
  • Fig. 3 is a schematic diagram of the structure of polyester polyol in the present invention.
  • a double-wrapping cosmetic composition with solid powder, color-locking and synergistic synergistic effects specifically the double-wrapping cosmetic composition DUPLEFIX-1, which is used for makeup facial compositions;
  • At least one polyurethane-7A) obtainable by reacting an isocyanate A1HMDI with a hydroxyl-functionalized polyorganosiloxane A2 and with a polyester polyol polymer A3;
  • Suitable organic polyisocyanates are aliphatic, aromatic or cycloaliphatic polyisocyanates known to the person skilled in the art having an NCO functionality of 2 or greater.
  • Non-limiting examples of such polyisocyanates are 1,4-butylene diisocyanate, 1,6-hexamethylene diisocyanate (HDI), isophorone diisocyanate (IPDI), 2,2,4 or 2,4,4-Trimethylhexamethylene diisocyanate, bis(4,4-isocyanatocyclohexyl)methane isomers or mixtures of these isomers, 1,4-cyclohexylene diisocyanate , 4-isocyanatomethyl-1,8-octane diisocyanate (nonane triisocyanate), 1,4-benzene diisocyanate, 2,4 or 2,6-toluene diisocyanate, 1,5-naphthalene 2,2 or 2,4 or 4,4-diphenylmethane diisocyanate, 1,3 or 1,4-bis(2-isocyanatoprop-2-yl)benzene (TMXDI), 1, 3-Bis(isocyanatomethyl)benz
  • polyisocyanates having the structure of uretdione, isocyanurate, urethane, allophanate, biuret, iminooxadiazinedione or oxadiazinetrione Modified diisocyanates with functionality ⁇ 2, and proportionate mixtures of these components.
  • Hexamethylene diisocyanate, isophorone diisocyanate and mixtures of the aforementioned diisocyanates are particularly preferred.
  • hydroxyl-functionalized polyorganosiloxane the structural formula is HO[(CH3)2SiO]nH, which is a linear polymer with repeated silicon-oxygen bonds as the main chain, methyl groups as side groups, and hydroxyl-terminated linear polymers. .
  • composition according to the invention comprises at least one polysiloxane-polyurethane-polyester polymer formed by reacting a hydroxyl-functionalized polyorganosiloxane (preferably comprising two or more hydroxyl groups) with a diisocyanate compound product.
  • the hydroxy-functional polyorganosiloxane corresponds to a structure having the formula I: wherein R at each occurrence is independently selected from a hydrogen atom, a hydroxyl group, and an optionally substituted hydrocarbyl group containing 1 to 10 carbon atoms , and in particular selected from substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl, aryl-alkyl or alkyl-aryl; preferably, R is selected from optionally substituted linear, cyclic or branched C1-6 alkyl or alkenyl, including but not limited to the groups methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, hexyl, cyclohexyl, Vinyl, C1-8 allyl or aryl, arylalkyl or alkyl-aryl, including but not limited to phenyl, benzy
  • the hydroxy-functionalized polyorganosiloxane comprises a polyorganosiloxane corresponding to the formula Methylsiloxane.
  • polyester polyol is a general term for polymers obtained by polycondensation of polyols and polybasic acids, including polycarbonate, polyol, polyether polycarbonate, polyol or polyester polyol; the excess range of alcohol is 5% ⁇ 20% mole, depending on factors such as polyol type, polyester molecular weight and process conditions.
  • the prepolymer A1) used in the preparation of polyurethane is preferably selected from one or more of polyether polyols, polycarbonate polyols, polyether polycarbonate polyols or polyester polyols
  • a wide variety of polyols are obtained by reaction with polyisocyanates, which will be explained in more detail below.
  • polyurethanes are obtained by using polymer polyether polyols or polymer polycarbonate polyols or polyether-polycarbonate polyols or polyester polyols, each of these polymers having a preferred Number average molecular weight of about 400 to about 6000 g/mol (here and for the molecular weight data below, the molecular weight is determined by gel permeation chromatography in tetrahydrofuran at 23° C. against polystyrene standards).
  • polyurethanes or polyurethane prepolymers Their use during the preparation of polyurethanes or polyurethane prepolymers will lead to the formation of corresponding polyether or polycarbonate or polyether-polycarbonate segments or polyester segments in the polyurethane as a result of the reaction with polyisocyanates , the polyurethane has the corresponding molecular weight of these segments.
  • polyurethanes obtained from polymer polyether diols or polymer polycarbonate diols or polyether-polycarbonate polyols or polyester polyols having a linear structure.
  • the waterborne polyurethanes A) according to the invention are preferably linear molecules, but may also be branched.
  • the number-average molecular weight of the aqueous polyurethanes A) preferably used according to the invention is, for example, from about 1,000 to 200,000, preferably from 5,000 to 150,000.
  • the solid component in the polyurethane-7A) accounts for 0.1% to 5% by weight of the cosmetic composition
  • the solid component in the polymethyl silicone resin B) accounts for 1% to 5% by weight of the cosmetic composition. 18%.
  • the polymethyl silicone resin B) is a methyl MQ type silicone resin, wherein the methyl MQ type silicone resin is a new type of organic silicon material with a three-dimensional nonlinear structure formed by its molecules with Si-O bonds as a skeleton .
  • methyl MQ type silicone resin is [(CH3)3Si01/2]a[Si04/2]b, wherein [(CH3)3SiO1/2] is a monofunctional siloxane chain M, [SiO4 /2] is the tetrafunctional siloxane polycondensation link Q, and the molar ratio of M and Q links is 0.6-0.9, its molar mass is generally 1000-8000, the amount of M links and Q links in the molecular structure The ratio and structure determine the properties and application range of silicone resin.
  • MQ-type solid polysiloxane resins of the trimethylsiloxysilicate type include those sold by General Electric under the catalog SR1000, by Wacker under the catalog TMS 803, by Shin-Etsu under the name "KF7312J”, by Examples of polysiloxane resins containing siloxysilicate MQ units, those sold by Dow Corning as "DC 749", “DC 593”, also include phenylalkylsiloxysilicate resins such as benzene phenylpropyldimethylsiloxysilicate (Silshine 151 sold by General Electric Company). In particular, the preparation of this resin is described in patent US5817302.
  • T-type polysiloxane resins include polysilsesquioxanes having the formula (RSiO3/2)X(T unit), where x is greater than 100, and such that the group R is an alkane having 1 to 10 carbon atoms group, wherein the polysilsesquioxane may also contain Si-OH end groups.
  • polymethylsilsesquioxane resins can be used in which R represents a methyl group, for example: those sold by the company Wacker under the catalog Resin MK, such as Belsil PMS MK: containing repeating CH3SiO3/2 units (T units) Polymers, which can also contain up to 1% by weight of (CH3)2SiO2/2 units (D units) and have an average molecular weight of about 10000 g/mol, or those sold by the company SHIN-ETSU under the catalog KR-220L, which are sold by Composition of 11 T units having the formula CH3SiO3/2 with Si-OH end groups (silanols);
  • MQT-propyl resin also known as MQTPr
  • MQTPr MQT-propyl resin
  • the MQ-T-propyl resin comprises the following units:
  • the silicone resins usable according to the invention are obtainable by a process comprising reacting A) with B):
  • A) MQ resin comprising at least 80 mole % of (R13SiO1/2)a and (SiO4/2)d units, R1 represents an alkyl, aryl, methanolyl or amino group with 1 to 8 carbon atoms, a and d is greater than zero and the ratio a/d is 0.5-1.5; and
  • compositions according to the invention comprise polysiloxane resins (preferably MQ) in concentrations of 1-20% by weight, preferably 5-10% by weight, relative to the total weight of the composition.
  • the pigments include titanium dioxide, red iron oxide, yellow iron oxide and black iron oxide;
  • inorganic pigments examples include oxides of titanium, zirconium or cerium and oxides of zinc, iron or chromium, iron blue, manganese violet, ultramarine blue and chromium hydrates;
  • organic pigments examples include carbon black, D&C type pigments, containing cochineal, barium, strontium, calcium, aluminum or documents EP-A-542669, EP-A-787730, EP-A-787731 and WO - Lacquers of diketopyrrolopyrrole (DPP) described in A-96/08537.
  • DPP diketopyrrolopyrrole
  • the pigments used in the cosmetic composition according to the invention may be surface treated with a hydrophobic treatment agent
  • the hydrophobic treatment agent may be selected from polysiloxanes such as polymethicone, polydimethylsiloxane, perfluoroalkylsilane, alkylalkoxysilane, fatty acid (such as stearic acid), metal soap (such as aluminum dimyristate), aluminum salts of hydrogenated tallowyl glutamic acid, perfluoroalkyl phosphates, perfluoroalkylsilanes, perfluoroalkylsilazanes, polyoxides of hexafluoropropylene, perfluoroalkyl-containing Polyorganosiloxanes with fluoroalkyl perfluoropolyether groups, amino acids, N-acyl amino acids or salts thereof, lecithin, isopropyl tristearic titanate and mixtures thereof;
  • polysiloxanes such as polymethicone, polydimethylsiloxane, perfluoroalkylsilane, alkyl
  • the hydrophobic treatment agent is selected from alkylalkoxysilanes, especially trimethylsiloxysilicate.
  • composition according to the invention may also comprise any conventional cosmetic ingredient, which may in particular be selected from antioxidants, fragrances, preservatives, neutralizing agents, surfactants, solar filters, vitamins, moisturizing agents, self-tanning compounds, anti-wrinkle active ingredients, emollients, hydrophilic or lipophilic active ingredients, anti-free radical agents, deodorants, sequestrants, and mixtures thereof.
  • any conventional cosmetic ingredient which may in particular be selected from antioxidants, fragrances, preservatives, neutralizing agents, surfactants, solar filters, vitamins, moisturizing agents, self-tanning compounds, anti-wrinkle active ingredients, emollients, hydrophilic or lipophilic active ingredients, anti-free radical agents, deodorants, sequestrants, and mixtures thereof.
  • composition according to the invention comprises a physiologically acceptable and preferably cosmetically acceptable medium, that is to say the composition does not have any harmful side effects, in particular does not cause discomfort to the cosmetic user. Accept redness, temperature, pain or tingling.
  • the physiologically acceptable medium may comprise at least one oil.
  • Oil in the sense of the present invention means a compound which is liquid at room temperature (25°C) and which is completely insoluble in water or relatively Soluble in water at a ratio of less than 10% by weight based on the weight of the oil introduced into the water.
  • Oils can be volatile or nonvolatile, polar or nonpolar. Those skilled in the art will take care to select the oil which forms the physiologically acceptable medium of the composition of the invention such that the oil is compatible with the acrylate polysiloxane polymer and the polysiloxane resin it contains.
  • oils that can be used in the composition according to the invention include hydrocarbon oils, silicone oils and fluorosilicone oils, and among these oils, the composition according to the invention preferably comprises at least one hydrocarbon oil.
  • Hydrocarbon oil means an oil containing only hydrogen and carbon atoms, which may be volatile, and in particular, has a flash point of 40°C to 120°C, preferably 40°C to 55°C, preferably 40°C -50°C.
  • the volatile hydrocarbon oil may be selected from volatile hydrocarbon oils having 8-16 carbon atoms and mixtures thereof, in particular: - C8-C16 branched chain alkanes, such as C8-C16 iso-alkanes (also known as isoparaffins), isododecane, isodecane, isohexadecane, and oil-linear alkanes sold, for example, under the trade names Isopars or Permetyls, for example by Sasol under the catalogs PARAFOL 12-97 and n-dodecane (C12) and tetradecane (C14) and their mixtures, mixtures of undecane-tridecane (C redesignol UT) sold by PARAFOL 14-97, Example 1 of application WO2008/155059 from Cognis and The mixture of n-undecane (C11) and n-tridecane (C13) obtained in 2 and their mixtures.
  • the volatile hydrocarbon oil is isododecane.
  • the hydrocarbon oil may be a non-volatile hydrocarbon, preferably polar, in particular the non-volatile oil may be an ester oil, in particular having 18 to 70 carbon atoms, examples include monoesters, diesters and triesters Esters, in particular ester oils, may be hydroxylated.
  • the non-volatile ester oil may be selected from: monoesters containing in total 18-40 carbon atoms, in particular monoesters having the formula R1COOR2, where R1 represents a linear or branched chain fatty acid containing 4-40 carbon atoms and R2 represents a hydrocarbon chain (especially branched) containing 4-40 carbon atoms, provided that R1+R2 is 18, such as Purcellin oil (octyl cetyl stearyl ( cetostearyloctanoate)), isononyl isononanoate, C12-C15 alcohol benzoate, ethyl 2-hexyl palmitate (ethyl 2-hexylpalmitate), octyl dodecyl pivalate, octyl 2-dec Diol stearate, octyl-2-dodecyl erucate, isostearyl isostearate, octyl-2-dodecyl
  • esters of the formula R1COOR2 wherein R1 represents the remainder of a straight or branched chain fatty acid comprising 4 to 40 carbon atoms and R2 represents a hydrocarbon chain (in particular branched chain) comprising 4 to 40 carbon atoms ), so that R1+R2 is 18.
  • the esters contain 18-40 carbon atoms in total.
  • preferred monoesters include isononyl isononanoate; diesters, in particular, containing 18-60 carbon atoms in total, especially 18-50 carbon atoms in total.
  • diesters of carboxylic diacids and monoalcohols, such as preferably diisostearyl malate may be used.
  • the diester may be a diester of a diol and a carboxylic monoacid, such as neopentyl glycol diheptanoate or polyglyceryl-2 diisostearate (such as sold in particular by the company Alzo under the product catalog DERMOL DGDIS compound);
  • a carboxylic monoacid such as neopentyl glycol diheptanoate or polyglyceryl-2 diisostearate (such as sold in particular by the company Alzo under the product catalog DERMOL DGDIS compound);
  • Triesters in particular, which contain 35-70 carbon atoms in total, especially triesters such as carboxylic triacids, such as triisostearyl citrate, or tridecyl trimellitate, or di triesters of alcohols and carboxylic monoacids (such as polyglyceryl-2 triisostearate);
  • Tetraesters in particular, which have a total of 35 to 70 carbon atoms, such as tetraesters of pentaerythritol or tetraesters of polyglycerol and carboxylic monoacids, for example pentaerythritol tetranonanoate, pentaerythritol tetraisostearate, pentaerythritol tetra Isononanoate, Glyceryl tridecyl-2 tetradecanoate, Polyglyceryl tridecyl-2 tetradecanoate, Polyglyceryl-2 tetraisostearate.
  • a double-wrapping cosmetic composition comprising a solid powder-locking color synergistic synergistic effect in skin-fixing makeup.
  • Examples and comparative examples in the present invention can be prepared in the following manner: at a stirring speed of 500-600rpm, the polyurethane A) of the present invention will be 1 Add oil phase to participate in emulsification under stirring, silicone resin polymer B)( P620B) Add cyclomethicone (1:4), heat slightly and keep stirring to disperse evenly; add formula oil phase before emulsification. Fully dissolve sodium chloride, 1,2-hexanediol, glycerin, and ethylhexylglycerin in the water phase. After the oil phase is dispersed evenly at room temperature, stir the oil phase and add the water phase to complete emulsification.
  • the skin was first subjected to a standardized washing procedure. Skin softened in water for 15 minutes Wash the skin with a 12 wt % sodium lauryl sulfate solution for 2 minutes, rinse thoroughly with warm water, and blow dry on a cool setting.
  • the "Foundation Test” experiment was carried out in a special climate chamber with a relative humidity of >60%, in which a sample of the foundation was applied in an area of 2x2 cm.
  • the temperature of the chamber was 25°C. Test conditions, smear feeling, after smearing, 2 minutes after smearing, and 10 minutes after smearing.

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Abstract

Une composition cosmétique à double enveloppe synergique fixant les poudres et verrouillant la couleur est divulguée dans la présente invention. La composition cosmétique forme une structure de réseau spatial très solide au moyen de l'association organique d'une résine de silicium macromoléculaire et de groupes siloxane dans du polyuréthane-7 macromoléculaire. Étant donné que la structure contient simultanément des groupes polyuréthane mous et des liaisons silicium-hydrogène non polaires, la structure peut être fixée de manière souple à une cuticule à la surface de la peau. En outre, une poudre qui a été soumise au double traitement de la résine de silicium et du polyuréthane-7, du polyuréthane et de la résine de silicium qui ont été soumis à un traitement de surface avec une grande quantité de poudre, et une résine de silicium macromoléculaire réticulaire et du polyuréthane-7 dans la formule sont entrelacés ensemble au moyen d'une force d'action intermoléculaire plus forte. Enfin, la poudre traitée peut être intimement incorporée dans un film du réseau interpénétrant, de telle sorte que, en plus d'être doux et respectueux de la peau, un produit est fermement fixé à la surface de la peau, et enfin, d'un point de vue macroscopique, non seulement la durabilité du produit est améliorée, mais le degré de rendu de couleur du produit peut également être significativement amélioré et l'opacité du produit peut également être améliorée.
PCT/CN2022/078951 2022-01-14 2022-03-03 Composition cosmétique à double enveloppe synergique fixant les poudres et verrouillant la couleur WO2023133988A1 (fr)

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CN202210043069.7A CN114209613B (zh) 2022-01-14 2022-01-14 一种固粉锁色的双重包裹化妆品组合物

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CN114848538A (zh) * 2022-04-27 2022-08-05 上海永熙信息科技有限公司 一种清透固粉锁色协同式增效的双重包裹氧化锌组合物
CN115252468B (zh) * 2022-07-14 2024-04-19 上海永熙信息科技有限公司 一种网络结构的驻留型持续控油化妆品组合物

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