WO2019003898A1 - 化粧料用皮膜形成剤、およびこれを含有する化粧料 - Google Patents
化粧料用皮膜形成剤、およびこれを含有する化粧料 Download PDFInfo
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- WO2019003898A1 WO2019003898A1 PCT/JP2018/022413 JP2018022413W WO2019003898A1 WO 2019003898 A1 WO2019003898 A1 WO 2019003898A1 JP 2018022413 W JP2018022413 W JP 2018022413W WO 2019003898 A1 WO2019003898 A1 WO 2019003898A1
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- 0 *[N+]([N-])[N+]([O-])O* Chemical compound *[N+]([N-])[N+]([O-])O* 0.000 description 3
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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
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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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
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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
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
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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
- A61K8/895—Polysiloxanes containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone
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- 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
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- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
- C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
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- 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
- A61K2800/10—General cosmetic use
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- 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
- A61K2800/59—Mixtures
- A61K2800/596—Mixtures of surface active compounds
Definitions
- the present invention relates to a film-forming agent for cosmetics, and a cosmetic containing the same, and more particularly provides a cosmetic which is excellent in washability while having water resistance and sebum resistance.
- the present invention relates to a cosmetic film-forming agent containing a copolymer having a polysiloxane structure and an acidic group, and a cosmetic containing the same.
- Patent Document 2 It is known to use a surface-treated powder coated with a hydrophobizing agent and a polymer having a hydrophilic group on a powder surface as a cosmetic for the purpose of improving the cleansing property of the cosmetic (Patent Document 2) ).
- Patent Document 2 it is necessary to once surface-treat a powder such as titanium oxide and then to blend it into a cosmetic, which is complicated from the viewpoint of production.
- JP 2000-63225 A Japanese Patent Application Publication No. 2007-277167
- an object of the present invention is to provide a film-forming agent which forms a film having high water resistance and sebum resistance while having high washability, and a cosmetic containing the same.
- the composition containing a copolymer obtained by polymerizing a monomer composition having a polysiloxane structure and a monomer composition having an acid group has high water resistance.
- the first aspect of the present invention is an unsaturated monomer having (A) at least one polysiloxane structure in its molecule, and (B) an unsaturated monomer having at least one acidic group or its salt in its molecule.
- a film forming agent for a cosmetic comprising a copolymer polymerized from a monomer composition containing a monomer, wherein the weight of the monomer (A) in the monomer composition is 30% by weight or more It is a film forming agent for cosmetics characterized by The acid value of the copolymer is preferably 5 to 300 mg KOH / g.
- the ratio (A / B) of the weight of the monomer (A) to the weight of the monomer (B) is preferably 1.0 to 20.0.
- unsaturated monomers having at least one polysiloxane structure in the molecule are General formula (1) (1)
- Y is an organic group capable of radical polymerization
- R 1 is an alkyl group having 1 to 10 carbon atoms or an aryl group.
- R 1 is the same as above, R 2 is an alkylene group having 2 to 10 carbon atoms, R 3 is an alkyl group having 1 to 10 carbon atoms, and Xi + 1 is a hydrogen atom, carbon I is a group selected from the group consisting of an alkyl group having 1 to 10 atoms, an aryl group and the above silylalkyl group, i is an integer of 1 to 10 representing the hierarchy of the silylalkyl group, and a i is It is an integer of 0 to 3.) ⁇ or General formula (2) (2) (Wherein, Y and R 1 are the same as above. M is 0, 1 or 2, n represents the average degree of polymerization, and is a number from 0 to 200). It is preferable that it is a compound selected from
- the monomer composition may further contain a monomer having at least one carboxylic acid ester in the (C) molecule. Further, the monomer (B) is preferably acrylic acid.
- the film-forming agent for cosmetics of the present invention may further contain at least one selected from the group consisting of (D) oil agent, (E) alcohol and (F) surfactant, and further water, inorganic powder Organic powder, coloring agent, thickener, gelling agent, organic modified clay mineral, silicone resin, silicone gum, silicone elastomer, organic modified silicone, UV protection ingredient, water soluble polymer, organic resin, moisturizer, preservative Agents, antioxidants, antibacterial agents, perfumes, salts, pH adjusters, chelating agents, refreshing agents, anti-inflammatory agents, skin care ingredients, vitamins, amino acids, nucleic acids, hormones, inclusion compounds, antistatic agents And at least one selected from the group consisting of
- a second aspect of the present invention is a cosmetic comprising the above-mentioned cosmetic film-forming agent.
- a cosmetic film-forming agent capable of forming a cosmetic film having excellent water resistance, sebum resistance and high washability, and a cosmetic containing the same are provided.
- FIG. 1 is a photograph showing the test results according to the washability test 2 and is a photograph showing that the lower part of the glass plate is washed.
- (meth) acrylic acid indicates that both acrylic acid and methacrylic acid are included.
- (meth) acrylate”, “(meth) acryloxy” and “(meth) acrylamide” are also shown to include both acrylate and methacrylate, acryloxy and methacryloxy, acrylamide and methacrylamide, respectively.
- cosmetic and “cosmetic” are used interchangeably.
- the “film-forming agent” contains a component used for forming a polymer film that adheres to the substrate and follows the substrate when applied on the substrate.
- the composition is particularly applied on keratins such as hair and skin.
- a composition for forming a film on a substrate by a copolymer polymerized from a monomer composition containing a monomer (A) and a monomer (B), and such a composition also indicates the use of (hereinafter sometimes referred to as "cosmetic film-forming agent").
- Cosmetic film-forming agent By forming a film on the skin, it is possible to prevent makeup breakdown and discoloration, to prevent bias of active ingredients such as UV absorbers, and to improve durability.
- Most of the film forming agents are polymer compounds, and silicone resins, fluorine resins or acrylic resins are often used, and they are often blended in sunscreen agents, makeups, lipsticks and the like.
- the cosmetic film-forming agent of the present invention comprises an unsaturated monomer (component (A)) having at least one polysiloxane structure in the molecule, and an unsaturated monomer having at least one acid group or a salt thereof in the molecule. It contains a copolymer polymerized from a monomer composition containing a monomer (component (B)).
- the unsaturated monomer having a polysiloxane structure of component (A) is used to introduce the polysiloxane structure into the copolymer.
- the unsaturated monomer is preferably selected from compounds represented by the following general formula (1) or general formula (2).
- Y is an unsaturated group, and specifically, a (meth) acryloxy group-containing organic group, a (meth) acrylamide group-containing organic group, a styryl group represented by the following general formula Included organic groups or alkenyl groups having 2 to 10 carbon atoms.
- R 4 and R 6 are a hydrogen atom or a methyl group
- R 5 and R 8 are an alkylene group having 1 to 10 carbon atoms
- R 7 is an alkyl group having 1 to 10 carbon atoms
- b is an integer of 0 to 4 and c is 0 or 1.
- a radically polymerizable organic group for example, an acryloxymethyl group, a 3-acryloxypropyl group, a methacryloxymethyl group, a 3-methacryloxypropyl group, a 4-vinylphenyl group, a 3-vinylphenyl group, 4- (2-propenyl) phenyl group, 3- (2-propenyl) phenyl group, 2- (4-vinylphenyl) ethyl group, 2- (3-vinylphenyl) ethyl group, vinyl group, allyl group, methallyl group , 5-hesenyl group.
- an acryloxymethyl group for example, an acryloxymethyl group, a 3-acryloxypropyl group, a methacryloxymethyl group, a 3-methacryloxypropyl group, a 4-vinylphenyl group, a 3-vinylphenyl group, 4- (2-propenyl) phenyl group, 3- (2-propenyl) pheny
- R 1 is an alkyl or aryl group having 1 to 10 carbon atoms, and as the alkyl group, methyl group, ethyl group, propyl group, butyl group, pentyl group, isopropyl group, isobutyl group, cyclopentyl group, cyclohexyl group It is illustrated.
- a phenyl group and a naphthyl group are illustrated. Among these, a methyl group and a phenyl group are preferable, and a methyl group is particularly preferable.
- R 2 is an alkylene group having 2 to 10 carbon atoms, and is a linear alkylene group such as ethylene, propylene, butylene and hexylene; methylmethylene, methylethylene, 1-methylpenty Examples thereof include branched alkylene groups such as lene group and 1,4-dimethyl butylene group. Among these, ethylene, methyl ethylene, hexylene, 1-methyl pentylene and 1,4-dimethyl butylene are preferable.
- R 3 is an alkyl group having 1 to 10 carbon atoms, and examples thereof include a methyl group, an ethyl group, a propyl group, a butyl group and an isopropyl group.
- R 1 is the same as above.
- X i +1 is a group selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an aryl group and the above silylalkyl group.
- a i is an integer of 0 to 3, preferably 0 to 2, more preferably 0 to 1, and still more preferably 0).
- i is an integer of 1 to 10, which indicates the number of layers of the silylalkyl group, that is, the number of repetitions of the silylalkyl group. Therefore, when the number of layers is 1, the carbosiloxane dendrimer of this component has the general formula:
- carboxy dendrimers have the general formula:
- carboxy dendrimer containing the radically polymerizable organic group of this component As a carboxy dendrimer containing the radically polymerizable organic group of this component, the carbosiloxane dendrimer shown by the following average composition formula is illustrated.
- Such a carbosiloxane dendrimer can be produced according to the method for producing a branched siloxane / sil alkylene copolymer described in JP-A-11-1530 (Japanese Patent Application No. 9-171154).
- the general formula: (Wherein, R 1 and Y are the same as above) can be produced by a hydrosilylation reaction between a silicon-bonded hydrogen atom-containing silicon compound shown by the above and an alkenyl group-containing organosilicon compound.
- the silicon compound represented by the above formula for example, 3-methacryloxypropyltris (dimethylsiloxy) silane, 3-acryloxypropyltris (dimethylsiloxy) silane, 4-vinylphenyltris (dimethylsiloxy) silane is used.
- the alkenyl group-containing organosilicon compound vinyltris (trimethylsiloxy) silane, vinyltris (dimethylphenylsiloxy) silane, and 5-hexenyltris (trimethylsiloxy) silane are used.
- the hydrosilylation reaction is preferably carried out in the presence of a transition metal catalyst such as chloroplatinic acid or a platinum vinylsiloxane complex.
- the compound which is an unsaturated monomer having a polysiloxane structure of another preferred form used in the present invention is represented by the following general formula (2).
- (2) (Wherein, Y and R 1 are the same as above. M is 0, 1 or 2, n is an average degree of polymerization, and is a number of 0 to 200.)
- the content of the monomer (A) is at least 30%, preferably at least 40%, in terms of weight in the monomer composition.
- the content of the monomer (A) is preferably 70% or less, more preferably 60% or less, in terms of weight in the monomer composition.
- Unsaturated monomer (Component (B)) having at least one acidic group or a salt thereof in the molecule is a compound having a radically polymerizable vinyl group in the molecule and at least one acidic group or a salt thereof It is.
- acidic groups include carboxylic acids, sulfonic acids and phosphonic acids.
- these salts include alkali metal salts, alkaline earth metal salts, basic amino acid salts, ammonium salts, alkyl ammonium salts, alkylamine salts, alkanolamine salts, and more specifically sodium salts and potassium salts.
- magnesium salts calcium salts, L-arginine salts, L-histidine salts, L-lysine salts, ammonium salts, triethanolamine salts, aminomethylpropanediol salts and complex salts thereof.
- Compounds having these acidic groups liberate protons (H + ) at respective specific pHs in an aqueous solution, or combine with cationic components in the solution to form salts, whereby the hydrophilicity-hydrophobicity of the compounds is obtained. Changes.
- compounds having salts of acidic groups undergo salt dissociation at a particular pH, indicating a change in the hydrophilicity-hydrophobicity of the compound. Therefore, by appropriately blending the compound having these acidic groups or a salt thereof into a cosmetic, it has an effect that it can be easily washed away at the time of washing despite the fact that it has good cosmetic properties.
- Examples of unsaturated monomers having at least one acidic group or a salt thereof in the molecule include (meth) acrylic acid, crotonic acid, maleic acid, fumaric acid, itaconic acid, angelic acid, tiglic acid, 2-carboxy Ethyl acrylate oligomer, styrene sulfonic acid, phosphoric mono-[(2-hydroxyethyl) methacrylic acid] ester, phosphoric mono-[(2-hydroxyethyl) acrylic acid] ester, phosphoric acid di [(2-hydroxyethyl) methacrylic acid Ester, and phosphoric acid di [(2-hydroxyethyl) acrylic acid] ester and salts thereof.
- the content of the monomer (B) is equivalent to or less than the content of the monomer (A) It is necessary, preferably a small amount.
- the ratio (A / B) of the weight of monomer (A) to the weight of monomer (B) is in the range of 1.0 to 20.0, preferably 2 to 15. The range is more preferable, and the range of 2 to 12 is more preferable.
- (meth) acrylic acid and its salt are preferable, and in particular, acrylic acid and its salt have water resistance and washability.
- the component (C) in addition to the component (A) and the component (B), the component (C) can be contained as another monomer.
- the component (C) may be any one that can be copolymerized with the components (A) and (B), and examples thereof include methyl (meth) acrylate, ethyl (meth) acrylate and (meth) acrylate Lower alkyl (meth) acrylates such as n-propyl, isopropyl (meth) acrylate; glycidyl (meth) acrylate; n-butyl (meth) acrylate, isobutyl (meth) acrylate, tert-butyl (meth) acrylate N-Hexyl (meth) acrylate, cyclohexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, octyl (meth) acrylate, lauryl (
- Unsaturated group-containing silicone compounds butadiene; vinyl chloride; vinylidene chloride; (meth) acrylonitrile; dibutyl fumarate; maleic anhydride; Ricidyl ether: quaternary ammonium salt derived from (meth) acrylic acid such as 2-hydroxy-3-methacryloxypropyltrimethylammonium chloride, methacrylic acid of alcohol having tertiary amine group such as methacrylic acid diethylamine ester Esters, and their quaternary ammonium salts are exemplified.
- Multifunctional vinyl monomers can also be used, for example, trimethylolpropane tri (meth) acrylate, pentaerythritol tri (meth) acrylate, ethylene glycol di (meth) acrylate, tetraethylene glycol di (meth) acrylate, Polyethylene glycol di (meth) acrylate, 1,4-butanediol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, neopentyl glycol di (meth) acrylate, trimethylolpropane trioxyethyl (meth)
- the weight ratio (A / B) of the monomer (A) to the monomer (B) in the monomer composition is preferably 1.0 to 20.0, and more preferably 2.0. It is in the range of 1 to 15.0, and more preferably in the range of 2.0 to 12.0.
- a / B ratio uses less than 2 as a cosmetics raw material, depending on a composition, the washability of the film formed may not fully be improved.
- the total content ([(A) + (B)] / [(A) + (B) + (C))) of the total of the monomer (A) and the monomer (B) with respect to the monomer composition is Preferably it is 40 weight% or more, More preferably, it is 50 weight% or more, More preferably, it is 55 weight% or more.
- a sufficient amount of hydrophobic group and hydrophilic group are introduced into the obtained copolymer. It is possible to obtain a cosmetic having high water resistance and sebum resistance, and high washability.
- a radical polymerization method or an ion polymerization method is used, but a radical polymerization method is preferable.
- a solution polymerization method is suitably used.
- aliphatic hydrocarbons such as hexane, octane, decane and cyclohexane
- aromatic hydrocarbons such as benzene, toluene and xylene
- ethers such as diethyl ether, dibutyl ether, tetrahydrofuran and dioxane
- Ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone and diisobutyl ketone
- esters such as methyl acetate, ethyl acetate, butyl acetate and isobutyl acetate
- alcohols such as methanol, ethanol, isopropyl alcohol and butanol
- organosiloxane oligomers such as decamethylcyclopentasiloxane, hexamethyldisilox
- radical initiator conventionally known compounds generally used for radical polymerization are used, and specifically, 2,2'-azobis (isobutyronitrile), 2,2'-azobis (2-methyl) Azobis compounds such as butyronitrile), 2,2′-azobis (2,4-dimethylvaleronitrile); benzoyl peroxide, lauroyl peroxide, tert-butylperoxybenzoate, tert-butylperoxy-2-ethyl ester Examples are organic peroxides such as hexanoate and tert-hexylperoxy-2-ethylhexanoate. These radical initiators may be used alone or in combination of two or more. The amount of the radical initiator used is preferably in the range of 0.1 to 5 parts by weight with respect to 100 parts by weight in total of the monomer composition.
- a chain transfer agent can be added in the case of superposition
- the chain transfer agent include mercapto compounds such as 2-mercaptoethanol, butylmercaptan, n-dodecylmercaptan, 3-mercaptopropyltrimethoxysilane, and polydimethylsiloxane having a mercaptopropyl group; methylene chloride, chloroform, Examples thereof include halides such as carbon chloride, butyl bromide and 3-chloropropyltrimethoxysilane.
- the polymerization reaction product obtained in the above steps is contacted with a palladium catalyst.
- a palladium catalyst By contacting with a palladium catalyst, the vinyl group of the unreacted monomer remaining in the polymerization reaction product is saturated, and it is possible to reduce irritation and odor when added to cosmetics.
- palladium catalysts include palladium compounds such as tetrakis (triphenylphosphine) palladium (0) and dichlorobis (triphenylphosphine) palladium (II), palladium on carbon, palladium hydroxide on carbon, platinum oxide and the like
- the present invention is not necessarily limited to these.
- the preferred catalyst is palladium on carbon.
- nickel may be considered as the catalyst, but since the polymerization reaction product contains an acidic group, it is preferable to use nickel as a catalyst because nickel gradually dissolves into the reaction system under acidity. Absent.
- palladium which is a noble metal, particularly a palladium catalyst supported on carbon as a heterogeneous catalyst, hardly causes such problems, and can be suitably used as a catalyst of the present invention.
- the temperature at which the polymerization reactant is contacted with the palladium catalyst is 50 to 200 ° C., preferably 70 to 130 ° C.
- the pressure is 1 to 1,000 kg / cm 2 (absolute pressure), preferably 2 to 100 kg / cm 2 .
- the contact time is 1 to 15 hours, preferably 3 to 10 hours.
- the reaction can be carried out in a solvent, and the solvent used in the polymerization may be used as it is or may be subjected to solvent substitution.
- the solvents that can be used are the same as those described for the polymerization reaction.
- steps there may be other steps such as stripping, reprecipitation, filtration and the like.
- step of contacting with the palladium catalyst may be followed by the steps of stripping, reprecipitation, filtration, pulverization, classification and the like.
- the presence or absence of the unreacted monomer in the copolymer obtained as described above can be confirmed by 1 H-NMR by the peak integral value (5.5 to 6.5 ppm) of the ethylenically unsaturated group.
- the end point of the reaction can be confirmed by the disappearance or reduction of the peak derived from the ethylenically unsaturated group.
- the product of the integrated value (0-0.3 ppm) of the methyl group derived from the unsaturated monomer having a polysiloxane structure and the weight% of the unsaturated monomer having a polysiloxane structure at the time of preparation can compare by the ratio (residual unsaturation amount ratio) of the peak integral value of an ethylenically unsaturated group.
- the ratio of residual unsaturation in the copolymer is 0.1 or less, preferably 0.02 or less.
- a method of removing the remaining unreacted vinyl monomer by treating under reduced pressure with heating, or deodorization due to hydrogenation reaction in the absence of solvent or in the presence of a hydrogenation catalyst can be treated, purified by contacting with nitrogen gas under reduced pressure and distilling off light substances. Such purified products are preferably used particularly when used for external use applications where reduction of odor and compatibility with other cosmetic components are required.
- a solvent used for purification of a known organopolysiloxane copolymer, a reaction condition, a reduced pressure condition and the like can be used without particular limitation, and can be selected.
- the copolymer of the present invention has an acid value of 5 to 300 mg KOH / g, preferably 35 to 100 mg KOH / g, measured in accordance with JIS 1557-5.
- the acid group in the copolymer when it is in the form of a salt, it represents the acid value when the salt is exchanged with a hydrogen ion to form an acid.
- the number average molecular weight of the copolymer is preferably 1,000 to 200,000, more preferably 2,000 to 80,000, from the viewpoint of ease of blending into cosmetics.
- the properties thereof include liquid, gum, paste, solid and powder.
- the film-forming agent for cosmetics of the present invention can be blended to cosmetics as it is or in the form of a composition dissolved or dispersed in a solvent or the like in a solvent.
- the film-forming agent of the present invention can contain at least one selected from the group consisting of (D) oil agent and (E) alcohol in addition to the above-mentioned copolymer.
- the cosmetic containing the above-mentioned copolymer may be in the form of a solution dissolved in a solvent in advance, a dispersion dispersed in a dispersion medium, or a solid such as powder, granules or block. it can.
- the cosmetic film-forming agent according to the present invention is dissolved or dispersed in one or more types of oil agents or alcohols, and is used as a cosmetic in the form of a copolymer composition containing the above-mentioned copolymer and oil agent or alcohol. Blending is preferred.
- the film forming agent for cosmetics of the present invention is particularly excellent in compatibility and dispersibility with various oils and alcohols, and can obtain a uniform composition over a long period of time.
- Such a composition can be blended as it is into cosmetics, and is extremely useful as a raw material of cosmetics from the viewpoint of its handleability and storage stability.
- a composition containing parts by mass can be suitably used.
- the copolymer from which the solvent and the unreacted monomer have been removed after the polymerization reaction is uniformly dispersed in the oil agent or alcohol using a mechanical force.
- the volatile solvent during the polymerization reaction may be replaced by the above-mentioned oil or alcohol.
- the compounding quantity is not specifically limited, However, the copolymer of this invention is mix
- Oil agent examples include animal oils, vegetable oils, synthetic oils and the like generally used in cosmetics.
- the oil may be solid, semi-solid or liquid, and may be non-volatile, semi-volatile or volatile.
- the oil agent is used to impart lubricity to the skin and hair, to soften the skin, and to impart a moist feeling.
- the oil may also be used for the purpose of diluting the copolymer of the present invention to obtain a copolymer composition, and is particularly liquid at 5 to 100 ° C.
- the organic oil agent is preferably at least one selected from organic oil agents, and the type, viscosity and the like of these oil agents can be appropriately selected according to the type and application of the cosmetic. These oil agents are to be added to the cosmetic of the present invention simultaneously with the above composition.
- the silicone-based oil agent is generally hydrophobic, and its molecular structure may be linear, cyclic or branched.
- the molecular structure may be cyclic, linear or branched.
- Viscosity at 25 ° C. of the silicone oils is generally in the range of 0.65 ⁇ 100,000mm 2 / s, preferably in the range of 0.65 ⁇ 10,000mm 2 / s.
- the silicone oil may have volatility and is preferable.
- silicone oils include cyclic organopolysiloxanes; linear organopolysiloxanes and branched organopolysiloxanes. Among these, volatile linear organopolysiloxanes, branched organopolysiloxanes and cyclic organopolysiloxanes are preferable.
- R 9 represents a hydrogen atom, a hydroxyl group, or a monovalent unsubstituted or fluorine- or amino-substituted alkyl group having 1 to 30 carbon atoms, an aryl group, an alkoxy group and (CH 3) 3 SiO ⁇ (CH 3) 2 SiO ⁇ 1 Si CH3) a group selected from the group represented by CH 2 CH 2 CH 2-(l is an integer of 0 to 1000), a ′ is an integer of 0 to 3, b is an integer of 0 to 1000, and c is , An integer of 0 to 1000, provided that 1 ⁇ b + c ⁇ 2000) (Wherein, R 9 is the same as above, d is an integer of 0 to 8, e is an integer of 0 to 8, provided that 3 ⁇ d + e ⁇ 8) (Wherein, R 9 is as defined above, f is an integer of 1 to 4 and g is
- an aryl group, and an alkoxy group for example, methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group
- a linear or branched alkyl group having 1 to 30 carbon atoms such as heptyl, octyl, decyl and dodecyl; a cycloalkyl having 3 to 30 carbons such as cyclopentyl and cyclohexyl;
- An aryl group having 6 to 30 carbon atoms such as phenyl, tolyl, xylyl and naphthyl; an alkoxy group having 1 to 30 carbons such as methoxy, ethoxy and propoxy; and carbons of these groups
- a group in which a hydrogen atom bonded to an atom is at least partially substituted with a fluor
- An unsubstituted alkyl group or aryl group is preferable, an unsubstituted alkyl group having 1 to 6 carbon atoms or an aryl group is more preferable, and a methyl group, an ethyl group or a phenyl group is particularly preferable.
- silicone oils having these structures specifically, as cyclic organopolysiloxanes, hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, 1-Diethylhexamethylcyclotetrasiloxane, phenylheptamethylcyclotetrasiloxane, 1,1-diphenylhexamethylcyclotetrasiloxane, 1,3,5,7-tetravinyltetramethylcyclotetrasiloxane, 1,3,5,7 -Tetramethylcyclotetrasiloxane, 1,3,5,7-tetracyclohexyltetramethylcyclotetrasiloxane, tris (3,3,3-trifluoropropyl) trimethylcyclotrisiloxane, 1,3,5, -Tetra (3-methacryloxy
- linear organopolysiloxane As a linear organopolysiloxane, as a linear organopolysiloxane, dimethylpolysiloxane blocked with trimethylsiloxy group at both ends of molecular chain (low viscosity such as 2 mPa ⁇ s and 6 mPa ⁇ s, etc. to 1,000,000 mPa ⁇ s, etc.
- branched organopolysiloxanes examples include methyltristrimethylsiloxysilane, ethyltristrimethylsiloxysilane, propyltristrimethylsiloxysilane, tetrakistrimethylsiloxysilane, and phenyltristrimethylsiloxysilane.
- the incorporation of at least one silicone oil can improve its stability over time and provide a refreshing feeling unique to silicone oils. It can be realized.
- Particularly preferred among the silicone-based oil agents described above are decamethylcyclopentasiloxane and linear organopolysiloxane having a viscosity in the low viscosity range of 2 to 6 mPa ⁇ s, 1, 1, 1 And 3,5,5,5- heptamethyl-3-octyltrisiloxane (also referred to as "caprylyl methicone”), tristrimethylsiloxymethylsilane (also referred to as "M3T”) and the like are used.
- the organic-based oil agent is typically (D2-1) hydrocarbon oil, (D2-2) fatty acid ester oil, higher alcohol, higher fatty acid, oil and fat, fluorinated oil agent, and in the present invention, although not particularly limited, the organic oil is preferably liquid at 5 to 100 ° C.
- hydrocarbon oils and / or fatty acid ester oils are preferred. These may be used alone or in combination, and may be used in combination with the silicone oil. By combining appropriate oils, it is possible to enhance the daily stability of the composition and / or the cosmetic and to provide the feel required for each cosmetic.
- silicone-based oil By blending the silicone-based oil, it is possible to impart a refreshing feel unique to silicone oil, and by using a highly volatile oil, it is possible to impart a refreshing feel on the skin, and further, By combining hydrocarbon oil and / or fatty acid ester oil with the silicone oil, it is possible to impart moisturizing feeling (also referred to as "moist feeling”) and smooth feeling like skin and hair get wet.
- moisturizing feeling also referred to as "moist feeling”
- a hydrocarbon oil liquid paraffin, light liquid isoparaffin, heavy liquid isoparaffin, vaseline, n-paraffin, isoparaffin, isododecane, isodecane, isohexadecane, polyisobutylene, hydrogenated polyisobutylene, polybutene, ozokerite, ceresin, Examples thereof include microcrystalline wax, paraffin wax, polyethylene wax, polyethylene / polypyropyrene wax, squalane, squalene, pristane, polyisoprene and the like.
- use of isododecane is excellent in volatility, compatible with other cosmetic raw materials, and excellent in affinity (compounding stability), and can provide a refreshing feel on the skin. preferable.
- oils and fats, higher alcohols, higher fatty acids, fluorinated oils and the like may be used as the oil agent, or two or more of these may be used in combination.
- oils and fats, higher alcohols, higher fatty acids, fluorinated oils and the like may be used as the oil agent, or two or more of these may be used in combination.
- two or more of the oil agents shown below may be used in combination.
- other oil agents that can be used in the present invention will be more specifically exemplified.
- one or more types of use selected from fats and oils, higher alcohols, higher fatty acids and fluorinated oils are exemplified.
- fats and oils as natural animal and vegetable fats and oils and semi-synthetic fats and oils, avocado oil, linseed oil, almond oil, ivory wax, eno oil, olive oil, cacao butter, kapok wax, kaya oil, carnauba wax, liver oil, candelilla wax, beef tallow Fat, beef bone fat, hardened beef tallow, akinin oil, spermaceti oil, hardened oil, wheat germ oil, sesame oil, rice germ oil, rice bran oil, rice bran oil, sugar cane wax, safflower oil, safflower oil, shea butter, shed oil, cinnamon oil, Jojo Brow, olive squalane, shellac wax, turtle oil, soybean oil, tea seed oil, camellia oil, evening primrose oil, corn oil, pork oil, rapeseed oil, Japanese tung oil, Japanese pepper oil, nuka roe, germ oil, horse oil, persic oil, palm oil , Palm kernel oil, castor oil, hydrogen
- the higher alcohol is, for example, a higher alcohol having 10 to 30 carbon atoms.
- the higher alcohol is a saturated or unsaturated monohydric aliphatic alcohol, and the portion of the hydrocarbon group may be linear or branched, but it is more linear. preferable.
- Examples of higher alcohols having 10 to 30 carbon atoms include lauryl alcohol, myristyl alcohol, palmityl alcohol, stearyl alcohol, behenyl alcohol, hexadecyl alcohol, oleyl alcohol, isostearyl alcohol, hexyl dodecanol, octyl dodecanol, cetostearyl Alcohol, 2-decyltetradecinol, cholesterol, sitosterol, phytosterol, lanosterol, lanolin alcohol, hydrogenated lanolin alcohol, POE cholesterol ether, monostearylglycerin ether (Batyl alcohol), monooleyl glyceryl ether (seracil alcohol), etc.
- Such higher alcohols form an aggregate called an alpha gel together with a surfactant to thicken the viscosity of the preparation and stabilize the emulsion, and therefore, particularly as a base for cosmetics in the form of an emulsion. It is useful.
- higher fatty acids examples include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, undecylenic acid, oleic acid, linoleic acid, linolenic acid, arachidonic acid, eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), Examples include isostearic acid, 12-hydroxystearic acid and the like.
- fluorinated oil perfluoropolyether, perfluorodecalin, perfluorooctane and the like can be mentioned.
- the copolymer according to the present invention may be used dispersed or dissolved in alcohol, and since the copolymer of the present invention is excellent in affinity with alcohols which are general components of cosmetics, It can also be coexistent as a cosmetic formulation.
- alcohol one or more polyhydric alcohols and / or lower monohydric alcohols can be used.
- lower alcohols include ethanol, isopropanol, n-propanol, t-butanol, sec-butanol and the like, with ethanol being preferred.
- polyhydric alcohols 1,3-propanediol, 1,3-butylene glycol, 1,2-butylene glycol, propylene glycol, trimethylene glycol, tetramethylene glycol, 2,3-butylene glycol, pentamethylene glycol, 2 -Difunctional alcohols such as butene-1,4-diol, dibutylene glycol, pentyl glycol, hexylene glycol and octylene glycol; trihydric alcohols such as glycerin, trimethylolpropane and 1,2,6-hexanetriol; Erythritol, xylitol etc., polyvalent alcohols of 4 or more, sorbitol, mannitol, maltitol, maltitol, maltotriose, sucrose, erythritol, glucose, fructose, starch degradation products, maltose, xylitol They include sugar alcohols such as amyl,
- polyhydric alcohol polymers such as diethylene glycol, dipropylene glycol, triethylene glycol, polypropylene glycol, tetraethylene glycol, diglycerin, polyethylene glycol, triglycerin, tetraglycerin and polyglycerin Etc. are illustrated. Among them, ethanol, 1,3-propanediol, 1,3-butylene glycol, sorbitol, dipropylene glycol, glycerin and polyethylene glycol are particularly preferable.
- a second aspect of the present invention relates to a cosmetic containing the above-mentioned film forming agent for cosmetic.
- the cosmetic of the present invention can contain various cosmetic raw materials in addition to the above-mentioned film forming agent for cosmetic.
- Cosmetics are separately formulated as a film-forming agent containing the components (D) to (E) into a cosmetic, and separately as a film-forming agent, a copolymer and other cosmetic materials. Include both cases of blending into The above-mentioned components (D) to (E) described in the section of the film forming agent of the present invention can also be used as other cosmetic raw materials.
- the aforementioned components (D) to (E), (F) surfactants, (G) powders or colorants, (H) thickeners or gelling agents (I) organically modified clay mineral, (J) silicone resin, (K) silicone gum, (L) silicone elastomer, (M) organically modified silicone, (N) UV protective component, and (O) water soluble polymer, Water etc. are mentioned.
- the cosmetic containing the film forming agent of the present invention can contain (F) surfactant as an optional component.
- the (F) surfactant is, according to the purpose, (F1) silicone surfactant, (F2) anionic surfactant, (F3) cationic surfactant, (F4) nonionic surfactant
- F1 silicone surfactant
- F2 anionic surfactant
- F3 cationic surfactant
- F4 nonionic surfactant One or more surfactants selected from the group consisting of (F5) amphoteric surfactants and (F6) semipolar surfactants can be used in combination.
- silicone surfactant polyglyceryl modified silicone, diglycel modified silicone, glyceryl modified silicone, sugar modified silicone, fluorine polyether modified silicone, polyether modified silicone, carboxylic acid modified silicone, linear silicone polyether Examples include block copolymers (polysilicone-13 and the like), long-chain alkyl-polyether co-modified silicones, polyglyceryl-modified silicone elastomers, diglyceryl-knitted elastomers, glyceryl-modified elastomers, polyether-modified elastomers and the like.
- silicones and elastomers described above those to which an alkyl branch, a linear silicone branch, a siloxane dendrimer branch and the like are optionally applied simultaneously with the hydrophilic group can be suitably used.
- SH 3771 M, SH 3772 M, SH 3773 M, SH 3775 M, BY 22-008 M, BY 11-030, ES-5373 FORMULATION AID, ES-5612 FORMULATION AID, ES-5300 FORMULATION AID, ES -5600 SILICONE GLYCEROL EMULSIFIER (all manufactured by Toray Dow Corning) can be mentioned.
- (F2) As an anionic surfactant, saturated or unsaturated fatty acid salt (eg, sodium laurate, sodium stearate, sodium oleate, sodium linolenate etc.), alkyl sulfate, alkyl benzene sulfonic acid (eg, hexyl benzene sulfone) Acids, toctylbenzenesulfonic acid, dodecylbenzenesulfonic acid etc.
- saturated or unsaturated fatty acid salt eg, sodium laurate, sodium stearate, sodium oleate, sodium linolenate etc.
- alkyl sulfate eg, alkyl benzene sulfonic acid (eg, hexyl benzene sulfone) Acids, toctylbenzenesulfonic acid, dodecylbenzenesulfonic acid etc.
- polyoxyalkylene alkyl ether sulfate polyoxyalkylene alkenyl ether sulfate, polyoxyethylene alkyl sulfate, sulfosuccinic acid alkyl ester, polyoxyalkylene Sulfosuccinic acid alkyl ester salt, polyoxyalkylene alkyl phenyl ether sulfate, alkane sulfonate, octyltrimethylammonium hydroxide, dodecyltrimethy Ammonium hydroxide, alkyl sulfonate, polyoxyethylene alkylphenyl ether sulfate, polyoxyalkylene alkyl ether acetate, alkyl phosphate, polyoxyalkylene alkyl ether phosphate, acyl glutamate, ⁇ -acyl sulfonate, alkyl Sulfonate, alkyl allyl sulfonate, ⁇ -o
- Cationic surfactants such as alkyl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, lauryl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, tallow alkyl trimethyl ammonium chloride, behenyl trimethyl ammonium chloride, stearyl trimethyl ammonium bromide, behenyl bromide Trimethyl ammonium, distearyl chloride dimethylammonium, dikocoyl dimethyl ammonium chloride, dioctyl dimethyl ammonium chloride, di (POE) oleyl methyl ammonium chloride (2EO), benzalkonium chloride, alkyl benzalkonium chloride, alkyl dimethyl benzalkonium chloride, Benzethonium chloride, stearyldimethylbenzyl ammonium chloride, lanolin derived quaternary acid Monium salt, diethylaminoethyl stearate, dimethyl
- nonionic surfactant polyglyceryl diisostearate, diglyceryl polyhydroxystearate, isostearyl glyceryl ether, polyoxyalkylene ethers, polyoxyalkylene alkyl ethers, polyoxyalkylene fatty acid esters, polyoxyalkylene fatty acid Diesters, polyoxyalkylene resin acid esters, polyoxyalkylene (hardened) castor oils, polyoxyalkylene alkylphenols, polyoxyalkylene alkylphenyl ethers, polyoxyalkylene phenyl phenyl ethers, polyoxyalkylene alkyl esters, Polyoxyalkylene alkyl esters, sorbitan fatty acid esters, polyoxyalkylene sorbitan alkyl esters, Ryoxyalkylene sorbitan fatty acid esters, polyoxyalkylene sorbite fatty acid esters, polyoxyalkylene glycerol fatty acid esters, polyglycerin al
- Amphoteric surfactants such as imidazoline type, amidobetaine type, alkylbetaine type, alkylamidobetaine type, alkylsulfobetaine type, amidosulfobetaine type, hydroxysulfobetaine type, carbobetaine type, phosphobetaine type, aminocarboxylic acid
- Amphoteric surfactants such as imidazoline type, amidobetaine type, alkylbetaine type, alkylamidobetaine type, alkylsulfobetaine type, amidosulfobetaine type, hydroxysulfobetaine type, carbobetaine type, phosphobetaine type, aminocarboxylic acid
- Amphoteric surfactants such as imidazoline type, amidobetaine type, alkylbetaine type, alkylamidobetaine type, alkylsulfobetaine type, amidosulfobetaine type, hydroxysulfobetaine type, carbobetaine type, phosphobetaine type, amino
- Imidazoline-type amphoteric surfactants alkylbetaine-type amphoteric surfactants such as lauryl dimethylaminoacetic acid betaine and myristyl betaine; coconut oil fatty acid amidopropyl dimethylaminoacetic acid betaine, palm kernel oil fatty acid amidopropyl dimethylaminoacetic acid betaine, beef tallow fatty acid amidopropyl Dimethylaminoacetic acid betaine, hardened beef tallow fatty acid amidopropyl dimethylaminoacetic acid betaine, lauric acid amidopropyl dimethylaminoacetic acid betaine, myristate amidopropyl dimethylaminoacetic acid betaine, palmitic acid Amidobetaine-type amphoteric surfactants such as midpropyl dimethylaminoacetic acid betaine, stearic acid amidopropyl dimethylaminoacetic acid betaine, oleic acid amidopropyl dimethylamino di
- Examples of (F6) semipolar surfactants include alkylamine oxide surfactants, alkylamine oxides, alkylamidoamine oxides, alkylhydroxyamine oxides and the like, and alkyldimethylamine oxides having 10 to 18 carbon atoms, 8 carbon atoms An alkoxyethyl dihydroxy ethylamine oxide of ⁇ 18 is preferably used.
- the compounding quantity of (F) surfactant in the film formation agent or cosmetics of this invention is not specifically limited, In order to stabilize a film formation agent or cosmetics, it is in a film formation agent or cosmetics, for example.
- the composition may be blended in the range of 0.05 to 90% by weight, preferably 0.1 to 50% by weight, and more preferably 0.5 to 25% by weight.
- the film-forming agent or cosmetic of the present invention further comprises a powder or a colorant, in particular any powder (including powder / pigment used as a colorant) used for cosmetics. It can be blended.
- the powder or coloring agent may be in the form (spherical, rod, needle, plate, sheet, irregular shape, spindle, bowl, raspberry, etc.) or particles, as long as it is used for ordinary cosmetics. Any powder can be used regardless of its diameter (fume, fine particles, pigment grade, etc.) or particle structure (porous, non-porous, secondary aggregation, etc.), but these powders and / or coloring can be used.
- the agent is blended as a pigment, it is preferable to blend one or more selected from inorganic pigment powder, organic pigment powder and resin powder having an average particle diameter in the range of 1 nm to 20 ⁇ m.
- the powder or colorant examples include inorganic powder, organic powder, surfactant metal salt powder (metal soap), colored pigment, pearl pigment, metal powder pigment, silicone elastomer powder and the like. Furthermore, a compound of these can also be used. In addition, these powder or coloring agents include what functions as an ultraviolet protection component.
- metal powder pigment examples include tan coated mica, mica titanium, iron oxide treated mica titanium, titanium oxide coated mica, titanium oxychloride coated bismuth oxychloride coated titanium oxide coated talc, titanium oxide coated talc, fish scale foil, titanium oxide coated colored mica, etc.
- Metal powders such as aluminum, gold, silver, copper, platinum and stainless steel can be mentioned.
- the silicone elastomer powder is a powdery component of (L) silicone elastomer described later. These are cross-linked products of linear diorganopolysiloxanes consisting mainly of diorganosiloxy units (D units), organohydrogenpolysiloxanes having silicon-bonded hydrogen atoms at the side or end, and alkenyls at the side or end.
- D units diorganosiloxy units
- organohydrogenpolysiloxanes having silicon-bonded hydrogen atoms at the side or end and alkenyls at the side or end
- a diorganopolysiloxane having an unsaturated hydrocarbon group such as a group can be suitably obtained by a crosslinking reaction under a hydrosilylation reaction catalyst.
- the silicone elastomer powder is softer and more elastic than the silicone resin powder consisting of T units and Q units, and is superior in oil absorption, so it absorbs fats and oils on the skin and prevents cosmetic breakdown. it can.
- the silicone elastomer powder can take various shapes such as spherical, flat, and irregular shapes.
- the silicone elastomer powder may be in the form of an oil dispersion.
- the cosmetic of the present invention is a silicone elastomer powder having a particle shape, and has a primary particle diameter by observation using an electron microscope and / or an average primary particle diameter of 0.1 measured by a laser diffraction / scattering method.
- a silicone elastomer powder having a primary particle shape of spherical shape, which falls within a range of ⁇ 50 ⁇ m, can be suitably blended.
- the silicone elastomer constituting the silicone elastomer powder preferably has a hardness of 80 or less, more preferably 65 or less, according to Type A durometer of JIS K 6253 "Test method for hardness of vulcanized rubber and thermoplastic rubber”. .
- the silicone elastomer powder can also be used in the cosmetic of the present invention in the form of an aqueous dispersion.
- aqueous dispersions include BY 29-129, PF-2001 PIF Emulsion, etc. manufactured by Toray Dow Corning.
- the silicone elastomer powder may be optionally subjected to surface treatment with silicone resin, silica or the like.
- the surface treatment include, for example, JP-A-2-243612, JP-A-8-12545, JP-A-8-12546, JP-A-8-12524, JP-A-9-241511 and JP-A-Hola.
- Those described in JP-A-10-36219, JP-A-11-193331, JP-A-2000-281523 and the like can be mentioned.
- silicone elastomer powder the crosslinkable silicone powder of "cosmetics type compounding component specification" description corresponds.
- Examples of commercially available silicone elastomer powder include Trefil E-506S, Trefil E-508, 9701 Cosmetic Powder, 9702 Powder, etc. manufactured by Toray Dow Corning.
- these powders or colorants be subjected to a water repellent treatment. Thereby, it can mix
- water repellent treatments include those obtained by treating the above powder or colorant with various water repellent surface treatment agents, such as methyl hydrogen polysiloxane treatment, silicone resin treatment, silicone gum treatment Acrylic silicone treatment, organosiloxane treatment such as fluorinated silicone treatment, metal soap treatment such as zinc stearate treatment, silane coupling agent treatment, silane treatment such as alkylsilane treatment, perfluoroalkylsilane, perfluoroalkyl phosphate ester Salts, fluorine compound treatments such as perfluoropolyether treatment, amino acid treatments such as N-lauroyl-L-lysine treatment, oil agent treatments such as squalane treatment, acrylic treatments such as alkyl acrylate treatment, etc. It is possible to use the above in combination.
- various water repellent surface treatment agents such as methyl hydrogen polysiloxane treatment, silicone resin treatment, silicone gum treatment
- organosiloxane treatment such as fluorinated silicone treatment
- metal soap treatment such as zinc stearate treatment
- the above-mentioned powder or colorant is preferably treated with other powder dispersants or surface treatment agents, and in particular, the inventors of the present application have made it possible to use International Publication WO2009 / 022621, Japanese Patent Application Laid-Open No.
- these powders or colorants can be subjected to a hydrophilization treatment. Thereby, the powder or coloring agent which concerns on a water phase can be mix
- these powders or colorants can be hydrophobized and hydrophilized. Thereby, it is possible to impart emulsifying properties to the powder itself.
- examples of commercially available products include MZY-500 SHE manufactured by Tayca Corporation.
- the (G) powder or colorant in the film-forming agent or cosmetic of the present invention may be used singly or in combination of two or more, as required, and the amount thereof is not particularly limited. It can be blended in the range of 0.1 to 99.5% by weight of the total amount of the agent or the cosmetic, preferably 1 to 99% by weight. In particular, as a compounding amount in the case of powder solid cosmetic, a range of 80 to 99% by mass of the whole cosmetic is preferable.
- the gelling agent oil-soluble ones are preferable.
- metal soaps such as aluminum stearate, magnesium stearate, zinc myristate, N-lauroyl-L-glutamic acid, Amino acid derivatives such as ⁇ , ⁇ -di-n-butylamine, dextrin palmitic acid ester, dextrin stearic acid ester, dextrin fatty acid ester such as dextrin 2-ethylhexanoic acid palmitic acid ester, sucrose palmitic acid ester, sucrose stearic acid ester And sucrose benzyl fatty acid esters, monobenzylidene sorbitol, benzylidene derivatives of sorbitol such as dibenzylidene sorbitol, and the like. These can be used singly or in combination of two or more as needed.
- organically modified clay minerals include, for example, dimethylbenzyldodecylammonium montmorillonite clay, dimethyldioctadecylammonium montmorillonite clay, dimethylalkylammonium hectorite, benzyldimethylstearyl ammonium hectorite, distearyldimethylammonium chloride treated silica Acid magnesium aluminum etc. are mentioned.
- Benton 27 benzyl dimethyl stearyl ammonium chloride-treated hectorite: manufactured by National Red
- Benton 38 disearyl dimethyl ammonium chloride-treated hectorite: manufactured by National Red
- Silicone resin is an organopolysiloxane having a highly branched structure, a network structure or a cage structure, is liquid or solid at normal temperature, and is usually a cosmetic unless it is against the object of the present invention Any silicone resin may be used as long as it is used in Solid silicone resins include, for example, triorganosiloxy units (M units) (where the organo group is methyl only, methyl and vinyl or phenyl), diorganosiloxy units (D units) (organo) A methyl group alone, a methyl group and a vinyl group or a phenyl group), a monoorganosiloxy unit (T unit) (an organo group is a methyl group, a vinyl group or a phenyl group) and an arbitrary siloxy unit (Q unit) There is a combination of MQ resin, MDQ resin, MTQ resin, MDTQ resin, TD resin, TQ resin, and TDQ resin.
- M units triorganosiloxy units
- trimethylsiloxysilicic acid polyalkylsiloxysilicic acid, trimethylsiloxysilicic acid containing dimethylsiloxy unit, and alkyl (perfluoroalkyl) siloxysilicic acid are exemplified.
- These silicone resins are oil-soluble, and those which can be dissolved in D4 or D5 are particularly preferable.
- the silicone resin forms a uniform film when applied to skin, hair and the like, and provides a protective effect against drying and low temperature.
- the silicone resin having these branching units can be in close contact with the skin, hair and the like, and can give the skin, hair and the like a gloss and transparency.
- an ultra-high viscosity organopolysiloxane referred to as silicone gum and having 1,000,000 mm 2 / s or more can also be used as a silicone oil.
- the silicone gum is a linear diorganopolysiloxane having an extremely high degree of polymerization, and is also referred to as a silicone gum and an organopolysiloxane gum. Silicone gums are distinguished from the aforementioned oily silicones by having a measurable degree of plasticity because of their high degree of polymerization.
- Such silicone gums include substituted or unsubstituted organopolysiloxanes having a dialkylsiloxy unit (D unit), such as dimethylpolysiloxane, methylphenylpolysiloxane, aminopolysiloxane, methylfluoroalkylpolysiloxane and the like, or And those having a fine cross-linked structure of the general formula: R10 (CH3) 2 SiO ⁇ (CH 3) 2 SiO ⁇ s ⁇ (CH 3) R 11 SiO ⁇ t Si (CH 3) 2 R 10 (wherein R 11 represents vinyl).
- D unit dialkylsiloxy unit
- the terminal group R10 is an alkyl group having 1 to 8 carbon atoms, a phenyl group, a vinyl group.
- dimethylpolysiloxane gum having a degree of polymerization of 3000 to 20000 is preferable.
- These silicone gums can be blended with the film forming agent or the cosmetic according to the present invention as they are or as liquid gum dispersion (oil dispersion of silicone gum) dispersed in oily silicone.
- Such silicone gums include substituted or unsubstituted organopolysiloxanes having dialkylsiloxy units (D units), such as dimethylpolysiloxane, methylphenylpolysiloxane, aminopolysiloxane, methylfluoroalkylpolysiloxane and the like, or And those having a micro-crosslinked structure of the general formula: and the like.
- D units dialkylsiloxy units
- Typical examples include R 10 (CH 3 ) 2 SiO ⁇ (CH 3 ) 2 SiO ⁇ s ⁇ (CH 3 ) R 12 SiO ⁇ t Si (CH 3 ) 2 R 10 (wherein, R 12 represents a vinyl group, a phenyl group, an alkyl group having 6 to 20 carbon atoms, an aminoalkyl group having 3 to 15 carbon atoms, a perfluoroalkyl group having 3 to 15 carbon atoms, carbon And the terminal group R 10 is a group selected from quaternary alkyl group-containing alkyl groups of 3 to 15 and having a carbon number of 1 to 8; And s is 2,000 to 6,000, and t is a group selected from an alkyl group, a phenyl group, a vinyl group, an aminoalkyl group having 3 to 15 carbon atoms, a hydroxyl group and an alkoxy group having 1 to 8 carbon atoms.
- dimethylpolysiloxane gum having a degree of polymerization of 3000 to 20000 is preferable.
- amino-modified methylpolysiloxane gum having a 3-aminopropyl group, an N- (2-aminoethyl) 3-aminopropyl group or the like at the side chain or end of the molecule is preferable.
- silicone gum can be used singly or in combination of two or more, as required.
- the silicone gum Since the silicone gum has an extremely high degree of polymerization, it has excellent retention on skin and hair and forms a protective film excellent in breathability. For this reason, it is an ingredient which can give luster and luster to the skin and the hair in particular, and can give the skin and the entire hair a firm and firm texture during and after use.
- the compounding amount of the silicone gum is, for example, in the range of 0.05 to 30% by weight (mass) of the whole film forming agent or the cosmetic, and preferably in the range of 1 to 15% by weight (mass).
- the silicone gum can be easily blended when used as an emulsion composition prepared in advance through an emulsification step (including emulsion polymerization), and can be stably blended with the film forming agent or the cosmetic of the present invention. If the blending amount of the silicone gum is less than the above lower limit, the gloss imparting effect on the skin and the hair may be insufficient.
- the silicone elastomer can be added to the film-forming agent or the cosmetic in any form according to the purpose, but in particular, the silicone described in the above-mentioned "(G) powder" It is preferable to mix
- the crosslinkable organopolysiloxane is preferably non-emulsifiable, having a structure in which the organopolysiloxane chain is three-dimensionally crosslinked by reaction with a crosslinkable component or the like and has no hydrophilic part such as a polyoxyalkylene unit.
- Such crosslinkable organopolysiloxanes can be used without limitation regardless of physical forms such as dilution and properties, production methods and the like, but as particularly preferable, ⁇ , ⁇ , described in US Pat. No. 5,654,362 can be used.
- Examples of ⁇ -diene cross-linked silicone elastomer are DC 9040 Silicone Elastomer Blend, DC 9041 Silicone Elastomer Blend, DC 9045 Silicone Elastomer Blend, DC 9046 Silicone Elastomer Blend, manufactured by Dow Corning, USA). Further, a crosslinkable organopolysiloxane having fluidity at room temperature can also be suitably used, and 3901 LIQUID SATIN BLEND (manufactured by Dow Corning, USA) is exemplified.
- the organically modified silicone is preferably lipophilic. Specifically, other than the above, amino modified silicone, amino polyether modified silicone, epoxy modified silicone, carboxyl modified silicone, amino acid modified silicone, carbinol modified silicone, acrylic modified silicone, phenol modified silicone, amidoalkyl modified silicone, amino Glycol-modified silicone and alkoxy-modified silicone can be mentioned.
- the organically modified silicones may have an alkylene chain, an aminoalkylene chain or a polyether chain to which the compound has no hydrophilicity in addition to the polysiloxane bond as the main chain, and the organically modified group is And may be present on one or both of side chains or ends of the polysiloxane chain.
- amino-modified silicone carbinol-modified silicone, aminopolyether-modified silicone or aminoglycol-modified silicone
- 3-aminopropyl group, N- ( Amino-modified silicones having a 2-aminoethyl) 3-aminopropyl group etc. can be exemplified as a general one.
- higher alkyl-modified silicones are waxy at room temperature and are useful as cosmetic ingredients. Therefore, it can be suitably used in the cosmetic of the present invention.
- a higher alkyl-modified silicone wax for example, a methyl chain long-chain alkylpolysiloxane blocked with a molecular chain both ends trimethylsiloxy group, a dimethylpolysiloxane / methyl long chain alkyl siloxane copolymer blocked with a molecular chain both ends trimethylsiloxy group, a molecule And both-chain long-chain alkyl-modified dimethylpolysiloxane and the like.
- AMS-C30 Cosmetic Wax, 2503 Cosmetic Wax etc. made by Dow Corning, USA
- the higher alkyl-modified silicone wax preferably has a melting point of 60 ° C. or higher from the viewpoint of the cosmetic retention effect and high temperature stability.
- the alkyl-modified silicone resin is a component that imparts sebum durability, moisture retention, and fine texture to cosmetics, and a wax-like component can be suitably used at room temperature.
- a wax-like component can be suitably used at room temperature.
- silsesquioxane resin waxes described in JP-A-2007-532754 are preferably mentioned. Examples of these commercially available products include SW-8005 C30 RESIN WAX (manufactured by Dow Corning, USA).
- polyamide-modified silicone examples include, for example, siloxane-based polyamide compounds described in US Pat. No. 5,981,680 (Japanese Patent Laid-Open No. 2000-038450) and JP-A 2001-512164, and commercially available products are 8178 Gellant, 2-8179 Gellant et al. (Manufactured by Dow Corning, USA).
- Such polyamide-modified silicones also function as a thickening / gelling agent for oily raw materials, in particular silicone oils.
- the ultraviolet protective component includes an inorganic ultraviolet protective component and an organic ultraviolet protective component. If the cosmetic composition of the present invention is a sunscreen cosmetic composition, it is preferable to contain at least one inorganic or organic ultraviolet protective component, particularly an organic ultraviolet protective component.
- the film-forming agent of the present invention is generally a poorly soluble organic UV protective component such as hexyl diethylaminohydroxybenzoylbenzoate known as "Uvinal A”, bisethylhexyl oxyphenol methoxyphenyl triazine known as “Tynosorb S”, Excellent compatibility with 2-cyano-3,3-diphenylprop-2-enoic acid 2-ethylhexyl ester known as "octocrylene”, other cinnamic acid type UV absorbers, etc., and blending with the film forming agent of the present invention Stability can be improved.
- a poorly soluble organic UV protective component such as hexyl diethylaminohydroxybenzoylbenzoate known as "Uvinal A”
- bisethylhexyl oxyphenol methoxyphenyl triazine known as "Tynosorb S”
- the inorganic UV protective component may be one containing the above-mentioned inorganic pigment powder, metal powder pigment, etc. as an ultraviolet dispersant, and titanium oxide, zinc oxide, cerium oxide, low-order titanium oxide, iron Examples thereof include metal oxides such as doped titanium oxide, metal hydroxides such as iron hydroxide, metal flakes such as plate-like iron oxide and aluminum flakes, and ceramics such as silicon carbide. Among them, at least one selected from particulate, plate-like, needle-like or fibrous particulate metal oxides and particulate metal hydroxides having an average particle diameter in the range of 1 to 100 nm is particularly preferable.
- These powders are subjected to conventionally known surface treatment such as fluorine compound treatment (perfluoroalkyl phosphate ester treatment, perfluoroalkylsilane treatment, perfluoropolyether treatment, fluorosilicone treatment, fluorinated silicone resin treatment is preferred), silicone Treatment (methylhydrogenpolysiloxane treatment, dimethylpolysiloxane treatment, vapor phase tetramethyltetrahydrogencyclotetrasiloxane treatment is preferred), silicone resin treatment (trimethylsiloxysilicic acid treatment is preferred), pendant treatment (vapor phase silicone) Method to add alkyl chain etc.
- fluorine compound treatment perfluoroalkyl phosphate ester treatment, perfluoroalkylsilane treatment, perfluoropolyether treatment, fluorosilicone treatment, fluorinated silicone resin treatment is preferred
- silicone Treatment methylhydrogenpolysiloxane treatment, dimethylpolysiloxane treatment, vapor phase tetramethylt
- silane coupling agent treatment titanium coupling agent treatment, silane treatment (alkylsilane and alkylsilazane treatment are preferable), oil agent treatment, N-acylated lysine treatment
- Polyacrylic acid treatment metal soap treatment (stearic acid or myristic acid salts are preferred), acrylic resin treatment, preferably being a metal oxide treatment or the like, it is preferable that a plurality in the process of these processes.
- the surface of fine particle titanium oxide may be coated with a metal oxide such as silicon oxide or alumina, and then surface treated with an alkylsilane.
- the surface treatment amount is preferably in the range of 0.1 to 50% by mass in total with respect to the powder.
- the organic UV protective component is a lipophilic UV protective component such as paraaminobenzoic acid (hereinafter abbreviated as PABA), PABA monoglycerin ester, N, N-dipropoxy PABA ethyl ester, N, N-diethoxy PABA ethyl ester
- PABA paraaminobenzoic acid
- Benzoic acid ultraviolet absorbers such as N, N-dimethyl PABA ethyl ester, N, N-dimethyl PABA butyl ester, diethylaminohydroxybenzoyl hexylbenzoate, and anthranilic acid ultraviolet absorbers such as homomentyl-N-acetyl anthranilate
- Salicylic acid based UV absorbers such as amyl salicylate, menthyl salicylate, homomentyl salicylate, octyl salicylate, phenyl salicylate, benzyl salicylate, p-isopropano
- the polymer powder may or may not be hollow, the average primary particle diameter may be in the range of 0.1 to 50 ⁇ m, and the particle size distribution may be broad or sharp.
- the type of the polymer include acrylic resin, methacrylic resin, styrene resin, polyurethane resin, polyethylene, polypropylene, polyethylene terephthalate, silicone resin, nylon, acrylamide resin and silylated polypeptide resin.
- a polymer powder containing an organic ultraviolet protection component in the range of 0.1 to 30% by mass is preferable, and in particular, a polymer powder containing 4-tert-butyl-4'-methoxydibenzoylmethane which is a UV-A absorber is preferred. preferable.
- UV protective components which can be suitably used include fine particle titanium oxide, fine particle zinc oxide, 2-ethylhexyl paramethoxycinnamate, 4-tert-butyl-4'-methoxydibenzoylmethane, diethylaminohydroxybenzoyl At least one member selected from the group consisting of hexyl benzoate, bisethylhexyl oxyphenol methoxyphenyl triazine, 2-cyano-3,3-diphenylprop-2-enoic acid 2-ethylhexyl ester, and other benzophenone type ultraviolet absorbers .
- These ultraviolet protection components are widely used, easily available, and have a high ultraviolet protection effect, and can be suitably used.
- it is preferable to use a combination of inorganic and organic UV protection components and it is more preferable to use a combination of a UV protection component corresponding to UV-A and a UV protection component corresponding to UV-B.
- the film-forming agent or cosmetic of the present invention may be an aqueous or emulsion type containing a large amount of water-soluble components, and depending on its dosage form (O) water-soluble polymer It is also possible and preferable to blend As the water soluble polymer, one or two or more water soluble polymers can be used.
- Examples of natural water-soluble polymers include gum arabic, tragacanth gum, galactan, guar gum, carob gum, karaya gum, carrageenan, pectin, agarten, quince seed (marcolo), arge colloid (kasso extract), starch (rice, corn, potato, Plant polymers such as wheat), glycyrrhizinic acid, etc., microbial polymers such as xanthan gum, dextran, succinoglucan, pullulan, etc., and animal polymers such as collagen, casein, albumin, gelatin and the like.
- starch-based polymers such as carboxymethyl starch and methyl hydroxypropyl starch, methyl cellulose, nitrocellulose, ethyl cellulose, methyl hydroxypropyl cellulose, hydroxyethyl cellulose, sodium cellulose sulfate, hydroxypropyl
- examples thereof include cellulose polymers such as cellulose, sodium carboxymethylcellulose (CMC), crystalline cellulose, cellulose powder, and alginic acid polymers such as sodium alginate and propylene glycol alginate.
- Examples of synthetic water-soluble polymers include polyvinyl alcohols, polyvinyl methyl ether polymers, polyvinyl pyrrolidone, vinyl polymers such as carboxy vinyl polymer (CARBOPOL 940, 941; BF Goodrich), polyethylene glycol 20,000, Polyoxyethylene polymers such as polyethylene glycol 6,000, polyethylene glycol 4,000, etc., polyoxyethylene polyoxypropylene copolymers, copolymer type polymers such as PEG / PPG methyl ether, sodium polyacrylate, polyethyl ester Examples thereof include acrylic polymers such as acrylate and polyacrylamide, polyethylene imine, cationic polymers and the like.
- quaternary nitrogen-modified polysaccharides for example, cationically modified cellulose, cationically modified hydroxyethylcellulose, cationically modified guar gum, cationically modified locust
- dimethyldiallylammonium chloride derivative eg, dimethyldiallylammonium chloride acrylamide copolymer, polychlorinated dimethylmethylene piperidinium etc.
- vinyl pyrrolidone derivative eg, vinylpyrrolidone, dimethylaminoethyl methacryl
- Acid copolymer salt vinyl pyrrolidone / methacrylamidopropyl trimethyl ammonium chloride copolymer, vinyl pyrrolidone / methyl vinyl imidazolium chloride copolymer etc.
- the cosmetic composition of the present invention may contain other components used in ordinary cosmetic compositions as long as the effects of the present invention are not impaired: organic resin, moisturizer, preservative, antibacterial agent, fragrance, salts, antioxidant, pH Modifiers, chelating agents, refreshing agents, anti-inflammatory agents, skin care ingredients (whitening agents, cell activators, skin roughening agents, blood circulation promoting agents, skin astringents, antiseborrhoeing agents, etc.), vitamins, amino acids, nucleic acids , Hormones, inclusion compounds, etc. can be added.
- organic resin moisturizer, preservative, antibacterial agent, fragrance, salts, antioxidant, pH Modifiers, chelating agents, refreshing agents, anti-inflammatory agents, skin care ingredients (whitening agents, cell activators, skin roughening agents, blood circulation promoting agents, skin astringents, antiseborrhoeing agents, etc.), vitamins, amino acids, nucleic acids , Hormones, inclusion compounds, etc. can be added.
- the cosmetic of the present invention can be blended with natural plant extract, seaweed extract and herbal medicine according to the purpose. Two or more of these components may be blended. These specific examples are common to those specifically disclosed in, for example, paragraph 0115 of JP-A-2011-149017, but are not limited thereto.
- a solvent such as light isoparaffin, ethers, LPG, N-methylpyrrolidone, next-generation freon, etc. It is also good.
- At least one selected from the group consisting of an acrylic silicone dendrimer copolymer and an alkyl-modified silicone resin wax can be used in the cosmetic of the present invention.
- acrylic silicone dendrimer copolymer for example, vinyl polymers having a carbosiloxane dendrimer structure in the side chain, which are described in Japanese Patent No. 4009382 (Japanese Patent Laid-Open No. 2000-063225), are particularly preferably exemplified.
- Commercially available products include FA 4001 CM Silicone Acylate, FA 4002 ID Silicone Acrylate manufactured by Toray Dow Corning.
- alkyl-modified silicone resin wax examples include silsesquioxane resin waxes described in JP-A-2007-532754.
- the cosmetic of the present invention may be in any form of liquid, emulsion, cream, solid, paste, gel, powder, multilayer, mousse or spray.
- the film-forming agent according to the present invention is capable of forming a film excellent in washability on the skin or hair while having water resistance and sebum resistance, and can design a cosmetic for providing these functional films. .
- the cosmetic composition of the present invention includes, as specific products, skin care products, skin care products, makeup products, antiperspirant products, skin care products such as UV protection products; hair cleaning products, hair styling products, hair Coloring products, hair care products, hair rinse products, hair conditioner products, hair treatment products, etc. hair cosmetics; bath cosmetics; hair growth agents, hair growth agents, analgesics, bactericides, anti-inflammatory agents, fresheners, skin aging Although an inhibitor is illustrated, it is not limited to these.
- the above skin cosmetic can be used on any region of scalp, face (including lips, eyebrows and cheeks), fingers, nails and whole body.
- Antiperspirant such as deodorant ; Sunscreens, ultraviolet protection products such as tanning agent (tanning agent) are exemplified.
- the hair cosmetic products are shampoos, rinse cleansers and other cleaning agents for hair; hair waxes, curl retention agents for hair, setting agents, hair creams, hair sprays, hair liquid products such as hair spray, hair dyes, hair colors Hair coloring products such as sprays, hair color rinses and hair color sticks; Hair conditioner products such as hair tonics, hair treatment essences and hair packs; hair rinses such as oil rinses, cream rinses, treatment rinses, hair conditioners and hair treatments or Hair conditioning products are exemplified. Moreover, foam baths are illustrated as said bath cosmetics.
- the film-forming agent according to the present invention has general-purpose film-forming properties, it is used in other applications, various external preparations, paints, coating agents, antifoaming agents, deodorants, etc., and also for products other than cosmetics. It can be blended.
- the film-forming agent according to the present invention can form a functional film on a substrate even in applications other than these cosmetic products, and is useful in the application.
- Example 1 115.0 g of isopropyl alcohol (IPA) was charged into a 500 ml four-necked flask equipped with a stirrer, a thermometer and a reflux condenser, and was thoroughly degassed by bubbling nitrogen gas and heated to 80 ° C.
- IPA isopropyl alcohol
- Film hardness 1 g of a sample was weighed in an aluminum dish having a diameter of 6 cm, and heated at 150 ° C. for 1 hour to form a film. The obtained film was determined by bending the aluminum plate and judging whether the film was cracked. Film tackiness: When the film formed on the aluminum plate in the same manner as described above was touched with a finger, it was judged whether the aluminum plate integrated with the film was lifted or not.
- Contact Angle Water
- An IPA solution of a vinyl copolymer was coated on a glass plate, and then the solvent was removed by drying at room temperature to obtain a coating of a vinyl polymer. A water droplet (5 ⁇ L) was placed on the surface of the coating, and the contact angle to water was measured.
- the measurement apparatus calculated
- required the average value of n 5 or more using Drop shape analysis system (KRUSS DSA10 Mk-2).
- Contact angle artificial sebum: An IPA solution of a vinyl copolymer was coated on a glass plate, and then the solvent was removed by drying at room temperature to obtain a coating of a vinyl polymer. 5 ⁇ L of artificial sebum (a mixture of triolein: oleic acid: squalane 3: 1: 1) was placed on the surface of the coating, and the contact angle to the artificial sebum was measured.
- required the average value of n 5 or more using Drop shape analysis system (KRUSS DSA10 Mk-2).
- Washability test 1 A solution obtained by adding 0.2 g of a 0.5 wt% toluene solution of Sudan Red III (CAS # 85-86-9) to 1 g of a FZ-3196 solution of a vinyl copolymer and mixing it is coated on a glass plate After that, the solvent was removed by drying at 80 ° C. for 1 hour to obtain a coated film of a colored vinyl polymer.
- a 0.05 mol / L potassium hydroxide aqueous solution was charged in a beaker equipped with a magnetic stirrer, and the coating was half-immersed with a glass plate and stirred for 3 minutes. After 3 minutes, the glass plate was taken out, washed with ion exchange water in a washing bottle and air dried. What the coating film part which had been immersed in the potassium hydroxide aqueous solution was removed by washing was regarded as "none", and what was not removed by washing and the coating film remained was regarded as "presence".
- Comparative Example 1 A solvent of commercially available Dow Corning (R) FA 4002 ID SILICONE ACRYLATE (acid value 0 mg KOH / g, carbosiloxane dendrimer having no acid group) is charged into a rotary evaporator, stripped at 10 mm Hg or less and solid at 160 ° C. I got Capriryl methicone (FZ-3196) was added to the obtained solid to obtain a gel composition having a solid concentration of 42.5%.
- R Dow Corning
- FZ-3196 Capriryl methicone
- Comparative example 2 In the same manner as in Comparative Example 1, a solvent of commercially available Dow Corning (registered trademark) FA 4004 ID SILICONE ACRYLATE (acid value 0 mg KOH / g, not having an acid group) was charged into a rotary evaporator, and 10 mmHg or less at 160 ° C. Stripped to give a solid. Capriryl methicone was added to the obtained solid to obtain a liquid composition having a solid concentration of 40.5%.
- Dow Corning registered trademark
- Examples 2 to 18 and Comparative Examples 3 to 6 A monomer was prepared in the same manner as in Example 1 except that the raw materials for monomer and weight% were changed as shown in the following Table 1-6. The abbreviations in the table are as follows. Also, in Example 18, evaluation was made using the same amount of isopropyl alcohol (IPA) instead of caprylyl methicone.
- IPA isopropyl alcohol
- the copolymer of the present invention has not only durability but also the ability to follow bending by having an appropriate film hardness, and further has no stickiness, water resistance and sebum resistance. While, it showed the washability to the ionic aqueous solution.
- the powder composition was diluted 500 times with D5 (SH245), and then the average particle size was measured by the CUMULANT method with ELSZ-2000ZS (manufactured by Otsuka Electronics Co., Ltd.).
- Washability Test 3 The above powder composition was coated on a glass plate and dried at 50 ° C. for 2 hours to obtain a powder coating film.
- a liquid of Bioré U foam hand soap manufactured by Kao Corporation
- Kao Corporation a liquid of Bioré U foam hand soap
- the solution was small 10 turns with a finger to conform.
- a JK wiper manufactured by Nippon Paper Industries Co., Ltd.
- Examples 27-29 [Emulsification ability evaluation] A water-in-oil emulsion composition having the composition shown in Table 1 was prepared as follows using the copolymer composition obtained in Examples 2, 3, 9 and 10, and it was confirmed that an emulsion composition was obtained. . The measurement results of viscosity and microscopic observation are shown together in the table. In addition, a part shows weight (mass) part in a table
- the homodispper saw blade was immersed in oil phase A and, while stirring at 1000 rpm, water phase B was poured into oil phase A over approximately 45 seconds at approximately constant speed. 5.
- the rotation speed of the homodisper was increased to 3500 rpm and stirring was performed for 2 minutes to emulsify the contents homogeneously. 6. Once stopped, the oil adhering to the inner wall of the container was scraped off with a spatula and mixed with the resulting emulsion. 7.
- the contents were homogeneously emulsified by stirring for 3 minutes at a rotation speed of 3500 rpm of a homodisper.
- Viscosity measurement The viscosity of the emulsion composition at 25 ° C. was measured using an E-type viscometer manufactured by Tokyo Keiki Co., Ltd .: VISCOMIC EMD.
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Abstract
Description
一般式(1)
{式中、Yはラジカル重合可能な有機基であり、R1は炭素原子数1~10のアルキル基もしくはアリール基である。X1はi=1とした場合の次式で示されるシリルアルキル基である。
一般式(2)
(式中、YとR1は前記と同じである。mは0、1または2、nは平均重合度を表し0~200の数である。)、
から選択される化合物であることが、好ましい。
本発明において、「化粧料」および「化粧品」は、互いに交換可能に用いられる。
(A)成分のポリシロキサン構造を有する不飽和単量体は、共重合体にポリシロキサン構造を導入するために用いられる。この不飽和単量体は、好ましくは以下の一般式(1)、または一般式(2)で表わされる化合物から選択される。
一般式(1)中、Yは不飽和基であり、具体的には、下記一般式で表されるで示される(メタ)アクリロキシ基含有有機基、(メタ)アクリルアミド基含有有機基、スチリル基含有有機基または炭素原子数2~10のアルケニル基が挙げられる。
(式中、YとR1は前記と同じである。mは0、1または2、nは平均重合度を表し0~200の数である。)
本発明の(B)成分の分子内に少なくとも一つの酸性基またはその塩を有する不飽和単量体は、分子内にラジカル重合性のビニル基と、少なくとも一つの酸性基またはその塩を有する化合物である。酸性基の例としては、カルボン酸、スルホン酸およびホスホン酸が挙げられる。これらの塩の例としては、アルカリ金属塩、アルカリ土類金属塩、塩基性アミノ酸塩、アンモニウム塩、アルキルアンモニウム塩、アルキルアミン塩、アルカノールアミン塩が挙げられ、具体的にはナトリウム塩、カリウム塩、マグネシウム塩、カルシウム塩、L-アルギニン塩,L-ヒスチジン塩,L-リジン塩、アンモニウム塩、トリエタノールアミン塩、アミノメチルプロパンジオール塩及びこれらの複合塩が挙げられる。これらの酸性基を有する化合物は水溶液中において、それぞれ特定のpHでプロトン(H+)を遊離し、または液中のカチオン成分と結合して塩を形成することによって、化合物の親水性-疎水性が変化する。酸性基の塩を有する化合物も同様に、特定のpHで塩の解離が生じ、化合物の親水性-疎水性変化を示す。よって、これらの酸性基またはその塩を有する化合物を化粧料中に適切に配合することによって、化粧持ちが良いにもかかわらず、洗浄時には容易に洗い流せるという効果を奏する。
本発明では、上記(A)成分、(B)成分の他に、その他の単量体として(C)成分を含むことができる。(C)成分としては、上記(A)成分、(B)成分と共重合できるものであればよく、例としては、(メタ)アクリル酸メチル、(メタ)アクリル酸エチル、(メタ)アクリル酸n-プロピル、(メタ)アクリル酸イソプロピルなどの低級アルキル(メタ)アクリレート;(メタ)アクリル酸グリシジル;(メタ)アクリル酸n-ブチル、(メタ)アクリル酸イソブチル、(メタ)アクリル酸tert-ブチル、(メタ)アクリル酸n-ヘキシル、(メタ)アクリル酸シクロヘキシル、(メタ)アクリル酸2-エチルヘキシル、(メタ)アクリル酸オクチル、(メタ)アクリル酸ラウリル、(メタ)アクリル酸ステアリル、(メタ)アクリル酸イソステアリル、(メタ)アクリル酸ベヘニル等の高級(メタ)アクリレート;酢酸ビニル、プロピオン酸ビニルなどの低級脂肪酸ビニルエステル;酪酸ビニル、カプロン酸ビニル、2-エチルヘキサン酸ビニル、ラウリル酸ビニル、ステアリン酸ビニル等の高級脂肪酸エステル;スチレン、ビニルトルエン、ベンジル(メタ)アクリレート、フェノキシエチル(メタ)アクリレート、ビニルピロリドン等の芳香族ビニル型単量体;(メタ)アクリルアミド、N-メチロール(メタ)アクリルアミド、N-メトキシメチル(メタ)アクリルアミド、イソブトキシメトキシ(メタ)アクリルアミド、N,N-ジメチル(メタ)アクリルアミド等のアミド基含有ビニル型単量体;(メタ)アクリル酸ヒドロキシエチル、(メタ)アクリル酸ヒドロキシプロピルアルコール等の水酸基含有ビニル型単量体;テトラヒドロフルフリル(メタ)アクリレート、ブトキシエチル(メタ)アクリレート、エトキシジエチレングリコール(メタ)アクリレート、ポリエチレングリコール(メタ)アクリレート、ポリプロピレングリコールモノ(メタ)アクリレート、ヒドロキシブチルビニルエーテル、セチルビニルエーテル、2ーエチルヘキシルビニルエーテル等のエーテル結合含有ビニル型単量体;(メタ)アクリロキシプロピルトリメトキシシラン、片末端、両末端及び/または側鎖に(メタ)アクリル基を含有したポリジメチルシロキサン、片末端にスチリル基を含有するポリジメチルシロキサンなどの不飽和基含有シリコ-ン化合物;ブタジエン;塩化ビニル;塩化ビニリデン;(メタ)アクリロニトリル;フマル酸ジブチル;無水マレイン酸;ドデシル無水コハク酸;(メタ)アクリルグリシジルエーテル:2-ヒドロキシ-3-メタクリルオキシプロピルトリメチルアンモニウムクロライドのような(メタ)アクリル酸から誘導される4級アンモニウム塩、メタクリル酸ジエチルアミンエステルのような3級アミン基を有するアルコールのメタクリル酸エステル、およびそれらの4級アンモニウム塩が例示される。
前記の油剤としては、化粧料一般に使用される動物油、植物油、合成油等が挙げられる。前記油剤は固体、半固形、液体のいずれでもよく、不揮発性、半揮発性、揮発性のいずれでもよい。油剤は、肌や毛髪に潤滑性を付与し、肌を柔軟にし、しっとり感を付与するために用いられる。また、油剤は、本発明の共重合体を希釈して共重合体組成物を得る目的でも使用することができ、特に、5~100℃で液状であり、(D1)シリコーン系油剤および(D2)有機系油剤から選択される少なくとも1種であることが好ましく、これらの油剤の種類、粘度等は化粧料の種類、用途に応じて、適宜選択することができる。これらの油剤は、上記組成物と同時に、本発明の化粧料に配合されるものである。
シリコーン系油剤は一般には疎水性であり、その分子構造は、直鎖状、環状、分岐状のいずれであってもよい。その分子構造は、環状、直鎖状、分岐状のいずれかであってもよい。シリコーンオイル類の25℃における粘度は、通常、0.65~100,000mm2/sの範囲であり、0.65~10,000mm2/sの範囲が好ましい。また、当該シリコーン系油剤は揮発性を有しても良く、かつ、好ましい。
R9は、水素原子、水酸基、或いは、炭素原子数1~30の、一価の非置換若しくはフッ素若しくはアミノ置換アルキル基、アリール基、アルコキシ基及び(CH3)3SiO{(CH3)2SiO}lSi(CH3)2CH2CH2-(lは0~1000の整数)で示される基から選択される基であり、a’は、0~3の整数であり、bは、0~1000の整数であり、cは、0~1000の整数であり、但し、1≦b+c≦2000である)
有機系油剤は、(D2-1)炭化水素油、(D2-2)脂肪酸エステル油、高級アルコール、高級脂肪酸、油脂、フッ素系油剤が代表的であり、本発明においては特に限定されるものではないが、有機系油剤は5~100℃で液状であることが好ましい。さらには、炭化水素油及び/又は脂肪酸エステル油が好ましい。これらは単独でも併用でもよく、前記シリコーン系油剤とも併用することができる。適切な油剤を組み合わせることにより、組成物および/または化粧料の経日安定性を高めるとともに、化粧料毎に求められる感触を付与することができる。前記シリコーン系油剤を配合することによりシリコーンオイル特有のさっぱりとした感触を付与することができ、さらに、揮発性の高い油剤を用いることで肌上にさっぱりした感触を付与することができ、またさらには炭化水素油及び/又は脂肪酸エステル油を前記シリコーン系油剤と併用することにより、肌や毛髪が潤うような保湿感(「しっとりした感触」ともいう)や滑らかな感触を付与することができる。
本発明にかかる共重合体はアルコールに分散ないし溶解して使用してもよく、また、本発明の共重合体は化粧料の汎用成分であるアルコール類と親和性に優れるため、化粧料の配合処方として共存させることもできる。アルコールとしては、1種又は2種以上の多価アルコール及び/又は低級一価アルコールを用いることができる。低級アルコールとしては、エタノール、イソプロパノール、n-プロパノール、t-ブタノール、sec-ブタノール等が例示され、エタノールが好ましい。多価アルコールとしては、1,3-プロパンジオール、1,3-ブチレングリコール、1,2-ブチレングリコール、プロピレングリコール、トリメチレングリコール、テトラメチレングリコール、2,3-ブチレングリコール、ペンタメチレングリコール、2-ブテン-1,4-ジオール、ジブチレングリコール、ペンチルグリコール、ヘキシレングリコール、オクチレングリコール等の2価アルコール、グリセリン、トリメチロールプロパン、1,2,6-ヘキサントリオール等の3価アルコール、ペンタエリスリトール、キシリトール等の4価以上の多価アルコール、ソルビトール、マンニトール、マルチトール、マルトトリオース、ショ糖、エリトリトール、グルコース、フルクトース、デンプン分解物、マルトース、キシリトース、デンプン分解糖還元アルコール等の糖アルコールが挙げられる。更に、これら低分子多価アルコールのほかに、ジエチレングリコール、ジプロピレングリコール、トリエチレングリコール、ポリプロピレングリコール、テトラエチレングリコール、ジグリセリン、ポリエチレングリコール、トリグリセリン、テトラグリセリン、ポリグリセリン等の多価アルコール重合体等が例示される。中でも、エタノール、1,3-プロパンジオール、1,3-ブチレングリコール、ソルビトール、ジプロピレングリコール、グリセリン、ポリエチレングリコールが特に好ましい。
本発明の皮膜形成剤または化粧料は、さらに、粉体または着色剤、特に化粧品に用いられる任意の粉体(着色剤として用いられる粉体・顔料を含む)を配合することができる。
粉体または着色剤は通常の化粧料に使用されるものであれば、その形状(球状、棒状、針状、板状、シート状、不定形状、紡錘状、お椀状、ラズベリー状等)や粒子径(煙霧状、微粒子、顔料級等)、粒子構造(多孔質、無孔質、二次凝集等)を問わず、いずれのものも使用することができるが、これらの粉体及び/または着色剤を顔料として配合する場合、平均粒子径が1nm~20μmの範囲にある無機顔料粉体、有機顔料粉体、樹脂粉体から選択される1種類又は2種類以上を配合することが好ましい。
ゲル化剤としては油溶性のものが好ましく、具体的にはアルミニウムステアレート、マグネシウムステアレート、ジンクミリステート等の金属セッケン、N-ラウロイル-L-グルタミン酸、α、γ-ジ-n-ブチルアミン等のアミノ酸誘導体、デキストリンパルミチン酸エステル、デキストリンステアリン酸エステル、デキストリン2-エチルヘキサン酸パルミチン酸エステル等のデキストリン脂肪酸エステル、ショ糖パルミチン酸エステル、ショ糖ステアリン酸エステル等のショ糖脂肪酸エステル、モノベンジリデンソルビトール、ジベンジリデンソルビトール等のソルビトールのベンジリデン誘導体等が挙げられる。これらは必要に応じて一種、又は二種以上用いることができる。
有機変性粘土鉱物としては、例えば、ジメチルベンジルドデシルアンモニウムモンモリロナイトクレー、ジメチルジオクタデシルアンモニウムモンモリナイトクレー、ジメチルアルキルアンモニウムヘクトライト、ベンジルジメチルステアリルアンモニウムヘクトライト、塩化ジステアリルジメチルアンモニウム処理ケイ酸アルミニウムマグネシウム等が挙げられる。これらの市販品としては、ベントン27(ベンジルジメチルステアリルアンモニウムクロライド処理ヘクトライト: ナショナルレッド社製)、ベントン38(ジステアリルジメチルアンモニウムクロライド処理ヘクトライト: ナショナルレッド社製)等がある。
シリコーン樹脂は、高度の分岐状構造、網状構造又は籠状構造を有するオルガノポリシロキサンであり、常温で液状又は固形状であり、本発明の目的に反しない限り、通常化粧料に用いられるシリコーン樹脂であればいずれのものでもよい。固形状のシリコーン樹脂には、例えば、トリオルガノシロキシ単位(M単位)(オルガノ基はメチル基のみ、メチル基とビニル基若しくはフェニル基である)、ジオルガノシロキシ単位(D単位)(オルガノ基はメチル基のみ、メチル基とビニル基若しくはフェニル基である)、モノオルガノシロキシ単位(T単位)(オルガノ基はメチル基、ビニル基、又はフェニル基である)及びシロキシ単位(Q単位)の任意の組み合わせからなるMQ樹脂、MDQ樹脂、MTQ樹脂、MDTQ樹脂、TD樹脂、TQ樹脂、TDQ樹脂がある。さらには、トリメチルシロキシケイ酸、ポリアルキルシロキシケイ酸、ジメチルシロキシ単位含有トリメチルシロキシケイ酸、アルキル(パーフルオロアルキル)シロキシケイ酸が例示される。これらのシリコーン樹脂は油溶性であり、D4やD5に溶解しうるものが特に好ましい。シリコーン樹脂は、皮膚、髪等に塗布した場合に均一な皮膜を形成し、乾燥及び低温に対する保護効果を与える。更に、これらの分岐単位を有するシリコーン樹脂は、皮膚、髪等にしっかりと密着し、皮膚、髪等に艶と透明感を与えることができる。
本発明においては、1,000,000mm2/s以上の、シリコーンガムと称される、超高粘度のオルガノポリシロキサンもシリコーン油として使用することができる。シリコーンガムは、超高重合度の直鎖状ジオルガノポリシロキサンであり、シリコーン生ゴムやオルガノポリシロキサンガムとも称されている。シリコーンガムは、その重合度が高いため、測定可能な程度の可塑度を有する点で、前記の油状シリコーン類と区別される。このようなシリコーン生ゴムとしては、ジアルキルシロキシ単位(D単位)を有する置換又は非置換のオルガノポリシロキサン、例えばジメチルポリシロキサン、メチルフェニルポリシロキサン、アミノポリシロキサン、メチルフロロアルキルポリシロキサン等、または、それらの微架橋構造を有したもの等が挙げられ、代表例として、一般式:R10(CH3)2SiO{(CH3)2SiO}s{(CH3)R11SiO}tSi(CH3)2R10(式中、R11はビニル基、フェニル基、炭素数が6~20のアルキル基、炭素数3~15のアミノアルキル基、炭素数3~15のパーフロロアルキル基、炭素数3~15の4級アンモニウム塩基含有アルキル基から選択される基であり、末端基R10は、炭素数1~8のアルキル基、フェニル基、ビニル基、炭素数3~15のアミノアルキル基、水酸基及び炭素数1~8のアルコキシ基から選択される基である。また、s=2,000~6,000、t=0~1,000、s+t=2,000~6,000)で示されるものがある。中でも、重合度3000~20000のジメチルポリシロキサン生ゴムが好ましい。これらのシリコーンガムは、そのまま、或いは油状シリコーンに分散させた液状のガムディスパージョン(シリコーンガムのオイル分散物)として、本発明にかかる皮膜形成剤または化粧料に配合することができる。
シリコーンエラストマーは、その目的に応じて任意の形態で皮膜形成剤または化粧料に配合することが可能であるが、特に、前記の「(G)粉体」にて説明したシリコーンエラストマー粉体のほか、架橋性オルガノポリシロキサンとして配合することが好ましい。シリコーンエラストマー粉体は水分散液の形態としても、本発明の化粧料で使用することができる。このような水分散液の市販品としては、例えば東レ・ダウコーニング社製のBY 29-129,PF-2001 PIF Emulsion等が挙げられる。これらのシリコーンエラストマー粉末の水系分散体(=サスペンジョン)を配合することにより、本発明の化粧料の使用感をさらに改善することができる点で極めて有用である。
有機変性シリコーンは、親油性であるものが好ましい。具体的には、前記の他、アミノ変性シリコーン、アミノポリエーテル変性シリコーン、エポキシ変性シリコーン、カルボキシル変性シリコーン、アミノ酸変性シリコーン、カルビノール変性シリコーン、アクリル変性シリコーン、フェノール変性シリコーン、アミドアルキル変性シリコーン、アミノグリコール変性シリコーン、アルコキシ変性シリコーンを挙げることができる。該有機変性シリコーン類は、主鎖としてポリシロキサン結合の他に、アルキレン鎖、アミノアルキレン鎖又は化合物が親水性を有さない程度のポリエーテル鎖を有するものであってもよく、有機変性基は、ポリシロキサン鎖の側鎖又は末端の一方又は両方に有するものであってよい。本発明の化粧料を毛髪化粧料として使用する場合、アミノ変性シリコーン、カルビノール変性シリコーン、アミノポリエーテル変性シリコーン又はアミノグリコール変性シリコーンを好適に用いることができ、3-アミノプロピル基、N-(2-アミノエチル)3-アミノプロピル基等を有するアミノ変性シリコーンが一般的なものとして例示できる。
紫外線防御成分には、無機系の紫外線防御成分と有機系の紫外線防御成分がある。本発明の化粧料が日焼け止め化粧料であれば、少なくとも1種の無機系又は有機系、特に有機系の紫外線防御成分を含有することが好ましい。本願発明の皮膜形成剤は、一般に難溶性の有機系の紫外線防御成分、例えば、「ユビナールA」として知られるジエチルアミノヒドロキシベンゾイル安息香酸ヘキシル、「チノソーブS」として知られるビスエチルヘキシルオキシフェノールメトキシフェニルトリアジン、「オクトクリレン」として知られる2―シアノ―3,3―ジフェニルプロパ―2―エン酸2―エチルヘキシルエステル、その他桂皮酸系紫外線吸収剤などとの相溶性に優れ、本願発明の皮膜形成剤との配合安定性を改善することができる。
一方、本発明の皮膜形成剤または化粧料は、水溶性の成分を多く含む水性またはエマルジョン型であってもよく、その剤形に応じて(O)水溶性高分子を配合することもでき、かつ好ましい。水溶性高分子としては、1種又は2種以上の水溶性高分子を用いることができる。天然の水溶性高分子としては、例えば、アラビアガム、トラガカントガム、ガラクタン、グアーガム、キャロブガム、カラヤガム、カラギーナン、ペクチン、カンテン、クインスシード(マルメロ)、アルゲコロイド(カッソウエキス)、デンプン(コメ、トウモロコシ、バレイショ、コムギ)、グリチルリチン酸等の植物系高分子、キサンタンガム、デキストラン、サクシノグルカン、プルラン等の微生物系高分子、コラーゲン、カゼイン、アルブミン、ゼラチン等の動物系高分子が挙げられる。また、半合成の水溶性高分子としては、例えば、カルボキシメチルデンプン、メチルヒドロキシプロピルデンプン等のデンプン系高分子、メチルセルロース、ニトロセルロース、エチルセルロース、メチルヒドロキシプロピルセルロース、ヒドロキシエチルセルロース、セルロース硫酸ナトリウム、ヒドロキシプロピルセルロース、カルボキシメチルセルロースナトリウム(CMC)、結晶セルロース、セルロース末等のセルロース系高分子、アルギン酸ナトリウム、アルギン酸プロピレングリコールエステル等のアルギン酸系高分子が挙げられる。合成の水溶性高分子としては、例えば、ポリビニルアルコール、ポリビニルメチルエーテル系高分子、ポリビニルピロリドン、カルボキシビニルポリマー(CARBOPOL 940, 941; BF Goodrich社)等のビニル系高分子、ポリエチレングリコール20,000、ポリエチレングリコール6,000、ポリエチレングリコール4,000等のポリオキシエチレン系高分子、ポリオキシエチレンポリオキシプロピレン共重合体、PEG/PPGメチルエーテル等の共重合体系高分子、ポリアクリル酸ナトリウム、ポリエチルアクリレート、ポリアクリルアミド等のアクリル系高分子、ポリエチレンイミン、カチオンポリマー等が例示される。その他のカチオン性水溶性高分子としては、特に、毛髪化粧料に好適に配合できる成分として、第4級窒素変性ポリサッカライド(例えば、カチオン変性セルロース、カチオン変性ヒドロキシエチルセルロース、カチオン変性グアーガム、カチオン変性ローカストビーンガム、カチオン変性デンプン等)、塩化ジメチルジアリルアンモニウム誘導体(例えば、塩化ジメチルジアリルアンモニウム・アクリルアミド共重合体、ポリ塩化ジメチルメチレンピペリジニウム等)、ビニルピロリドン誘導体(例えば、ビニルピロリドン・ジメチルアミノエチルメタクリル酸共重合体塩、ビニルピロリドン・メタクリルアミドプロピルトリメチルアンモニウムクロライド共重合体、ビニルピロリドン・塩化メチルビニルイミダゾリウム共重合体等)が例示できる。
実施例1
攪拌装置,温度計,還流管を取り付けた500ミリリットル4つ口フラスコに、イソプロピルアルコール(IPA)を115.0g仕込み、窒素ガスでバブリングを行い十分に脱気し、80℃に加熱した。滴下ロートにアクリル酸4.0g(5重量%)メタクリル酸メチル26.4g(33重量%)、アクリル酸n-ブチル9.6g(12重量%)、下記式(A-1):
数平均分子量Mn:溶出溶媒にテトラヒドロフランを、標準ポリスチレンによる検量線を用いて分析した。
粘度測定:東京計器(株)製のE型粘度計:VISCOMIC EMDを用いて、25℃での組成物の粘度を測定した。
不揮発分濃度:直径6cmのアルミ皿に試料を1g秤量し、150℃、1時間で加熱した後に残った試料から求めた。
皮膜硬さ:直径6cmのアルミ皿に試料を1g秤量し、150℃、1時間で加熱して皮膜を形成した。得られた皮膜をアルミ皿を曲げて皮膜に亀裂が入るかどうかで判別した。
皮膜べたつき:前記と同様にしてアルミ皿上に作成した皮膜に指で触れたとき、皮膜と一体化したアルミ皿が持ち上がるかどうかで判別した。
接触角(水):ビニル系共重合体のIPA溶液をガラスプレート上に塗布後、室温にて溶媒を乾燥除去してビニル系重合体の塗膜を得た。この塗膜表面に水滴5μLを載せて、水に対する接触角を測定した。測定装置は、Drop shape analysis system (KRUSS DSA10 Mk-2)を用い、n=5以上の平均値を求めた。
接触角(人工皮脂):ビニル系共重合体のIPA溶液をガラスプレート上に塗布後、室温にて溶媒を乾燥除去してビニル系重合体の塗膜を得た。この塗膜表面に人工皮脂(トリオレイン:オレイン酸:スクワラン=3:1:1の混合物)の液滴5μLを載せて、人工皮脂に対する接触角を測定した。測定装置は、Drop shape analysis system (KRUSS DSA10 Mk-2)を用い、n=5以上の平均値を求めた。
市販のDow Corning(R) FA 4002 ID SILICONE ACRYLATE(酸価0 mgKOH/g、酸性基を有していないカルボシロキサンデンドリマー)の溶媒をロータリーエバポレーターに仕込み、10mmHg以下、160℃でストリッピングして固体を得た。得られた固体にカプリリルメチコン(FZ―3196)を加えて固形分濃度42.5%のゲル状組成物を得た。
比較例1と同様にして、市販のDow Corning(R) FA 4004 ID SILICONE ACRYLATE(酸価0 mgKOH/g、酸性基を有していない)の溶媒をロータリーエバポレーターに仕込み、10mmHg以下、160℃でストリッピングして固体を得た。得られた固体にカプリリルメチコンを加えて固形分濃度40.5%の液状組成物を得た。
実施例1のモノマー原料および重量%を下記表1-6のように変更した以外は同様にして調製した。なお、表中の略称は以下の通りである。また、実施例18においては、カプリリルメチコンに代えて同量のイソプロピルアルコール(IPA)を用いて評価した。
(B)成分:
AA:アクリル酸
MAA:メタクリル酸
(C)成分:
MMA:メタクリル酸メチル
n-Bu-A:アクリル酸n-ブチル
2EHMA:メタクリル酸2-エチルヘキシル
ISA:アクリル酸イソステアリル
SA:アクリル酸ステアリル
SMA:メタクリル酸ステアリル
BMA:メタクリル酸ベンジル
さらに、汎用性を確認するため、実施例4の組成物を用い、洗浄性試験1の0.05mol/L水酸化カリウム水溶液の代わりに、市販の洗浄剤を「無添加せっけん泡のボディソープ(ミヨシ石鹸社製)」又は「ダヴビューティーモイスチャークリーミー泡洗顔料(ユニ・リーバー社製)」を用いて同様に試験を実施したところ、図1に示すように浸漬部が洗浄されることがわかった。写真左側が無添加せっけん泡のボディソープを用いたもの、右側がダヴビューティーモイスチャークリーミー泡洗顔料を用いたものである。よって、本発明の共重合体組成物は、単純なイオン性水溶液だけではなく、さらに市販されている汎用洗浄剤に対する洗浄性も示すことがわかる。
実施例19~26、比較例7~11
酸化チタン(製品名:Si-TiO2-CR50、三好化成社製)70.8重量部、ベンガラ(製品名:SA-rouge七宝、三好化成社製)14.2重量部、シリコーン系界面活性剤(製品名: ES-5600 SILICONE GLYCEROL EMULSIFIER 、ダウ・コーニング社製)5.0重量部、実施例1~11、比較例1~5で調製したFZ-3196溶液10.0重量部、FZ―3196 7.0重量部を混合した後、3ロールミル(EXAKT M-50I)を用いてペースト状顔料組成物を得た。
前記粉体組成物をD5(SH245)で500倍に希釈した後、ELSZ-2000ZS(大塚電子製)にてCUMULANT法により平均粒径を測定した。
以上のように、単純な皮膜での耐水性、洗浄性だけではなく、化粧料で使用される顔料を含有する塗膜での耐水性、洗浄性も示した。またさらに、平均粒径はカルボン酸を持たない皮膜形成剤よりも小さく、分散性に優れることがわかった。
[乳化能評価]
実施例2、3、9、10で得られた共重合組成物を用いて、表 に示す組成の油中水型エマルション組成物を下記のとおり調製し、乳化組成物が得られることを確認した。粘度と顕微鏡観察の測定結果を表 に併せて示す。なお、表中、部は重量(質量)部を示す。
実施例3、8、16で得られた共重合組成物を用いて、表10に示す組成の油中水型エマルション組成物を下記のとおり調製し、乳化組成物が得られることを確認した。粘度と顕微鏡観察の測定結果を表10に併せて示す。なお、表中、部は重量(質量)部を示す。
1.200ml容器に、油剤(製品名SH200 2cst 、Dow Corning(R)製)及びシリコーン系界面活性剤(製品名ES-5300 FORMULATION AID 、Dow Corning(R)製)を仕込んだ。
2.撹拌を行い、界面活性剤を油剤中に均一分散又は溶解させた(油相A)。
3.別の容器に食塩とイオン交換水とを仕込み、スパチュラで混合して溶解させた。更に、1,3-ブチレングリコールを混合して溶解させた(水相B)。
4.ホモディスパーの鋸歯を油相Aに浸し、1000rpmで攪拌しながら、水相Bをほぼ定速で約45秒かけて油相A中に注ぎ込んだ。
5.ホモディスパーの回転数を3500rpmまで上げ、2分間撹拌を行い内容物を均質に乳化した。
6.一旦止め、容器の内壁に付着した油分をへらで掻き落とし、生成しているエマルションと混合した。
7.ホモディスパーの回転数3500rpmで3分間の攪拌を行い内容物を均質に乳化した。
東京計器(株)製のE型粘度計:VISCOMIC EMDを用いて、25℃でのエマルション組成物の粘度を測定した。
Claims (10)
- (A)分子内に少なくとも1つのポリシロキサン構造を有する不飽和単量体、および
(B)分子内に少なくとも一つの酸性基またはその塩を有する不飽和単量体
を含有するモノマー組成物から重合された共重合体を含有する化粧料用皮膜形成剤であって、モノマー組成物中の単量体(A)の重量が30重量%以上であることを特徴とする、化粧料用皮膜形成剤。 - 共重合体の酸価が5~300mgKOH/gである、請求項1記載の化粧料用皮膜形成剤。
- 単量体(B)の重量に対する単量体(A)の重量の比(A/B)が1.0~20.0である、請求項1記載の化粧料用皮膜形成剤。
- 分子内に少なくとも1つのポリシロキサン構造を有する不飽和単量体が、
一般式(1)
{式中、Yはラジカル重合可能な有機基であり、R1は炭素原子数1~10のアルキル基もしくはアリール基である。X1はi=1とした場合の次式で示されるシリルアルキル基である。
一般式(2)
(式中、YとR1は前記と同じである。mは0、1または2、nは平均重合度を表し0~200の数である。)、
から選択される、請求項1ないし3に記載の化粧料用皮膜形成剤。 - モノマー組成物が、さらに(C)分子内に少なくとも1つのカルボン酸エステルを有する単量体を含有する、請求項1ないし4に記載の化粧料用皮膜形成剤。
- 単量体(B)がアクリル酸である、請求項1ないし5に記載の化粧料用皮膜形成剤。
- さらに(D)油剤および(E)アルコールからなる群から選択される少なくとも一種を含有する、請求項1ないし6に記載の化粧料用皮膜形成剤。
- さらに(F)界面活性剤を含有する、請求項1ないし7に記載の化粧料用皮膜形成剤。
- さらに、水、無機粉体、有機粉体、着色剤、増粘剤、ゲル化剤、有機変性粘土鉱物、シリコーン樹脂、シリコーンガム、シリコーンエラストマー、有機変性シリコーン、紫外線防御成分、水溶性高分子、有機樹脂、保湿剤、防腐剤、酸化防止剤、抗菌剤、香料、塩類、pH調節剤、キレート剤、清涼剤、抗炎症剤、美肌用成分、ビタミン類、アミノ酸類、核酸、ホルモン、包接化合物、帯電防止剤からなる群から選択される少なくとも一種を含有する、請求項1ないし8に記載の化粧料用皮膜形成剤。
- 請求項1ないし9に記載の化粧料用皮膜形成剤を含有する、化粧料。
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US16/626,997 US20200222300A1 (en) | 2017-06-28 | 2018-06-12 | Film-forming agent for cosmetics and cosmetics containing same |
KR1020207002028A KR102689624B1 (ko) | 2017-06-28 | 2018-06-12 | 화장료용 피막형성제 및 이를 함유하는 화장료 |
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CN115151417B (zh) * | 2019-12-12 | 2024-05-07 | 尼蓝宝股份有限公司 | 功能化纺织品组合物和制品 |
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US20210386651A1 (en) | 2021-12-16 |
US20200222300A1 (en) | 2020-07-16 |
KR102689624B1 (ko) | 2024-07-31 |
EP3646850A4 (en) | 2021-03-31 |
EP3646850A1 (en) | 2020-05-06 |
JP7153016B2 (ja) | 2022-10-13 |
KR20200020881A (ko) | 2020-02-26 |
CN110996900A (zh) | 2020-04-10 |
JPWO2019003898A1 (ja) | 2020-04-30 |
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