WO2023277096A1 - 共重合体およびそれを含む化粧料 - Google Patents
共重合体およびそれを含む化粧料 Download PDFInfo
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- WO2023277096A1 WO2023277096A1 PCT/JP2022/026079 JP2022026079W WO2023277096A1 WO 2023277096 A1 WO2023277096 A1 WO 2023277096A1 JP 2022026079 W JP2022026079 W JP 2022026079W WO 2023277096 A1 WO2023277096 A1 WO 2023277096A1
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- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 229940073663 methyl trimethicone Drugs 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 229960002900 methylcellulose Drugs 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000013365 molecular weight analysis method Methods 0.000 description 1
- 229940105132 myristate Drugs 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-M octanoate Chemical compound CCCCCCCC([O-])=O WWZKQHOCKIZLMA-UHFFFAOYSA-M 0.000 description 1
- 229960001679 octinoxate Drugs 0.000 description 1
- 229960000601 octocrylene Drugs 0.000 description 1
- FMJSMJQBSVNSBF-UHFFFAOYSA-N octocrylene Chemical group C=1C=CC=CC=1C(=C(C#N)C(=O)OCC(CC)CCCC)C1=CC=CC=C1 FMJSMJQBSVNSBF-UHFFFAOYSA-N 0.000 description 1
- 229940073665 octyldodecyl myristate Drugs 0.000 description 1
- MSRJTTSHWYDFIU-UHFFFAOYSA-N octyltriethoxysilane Chemical compound CCCCCCCC[Si](OCC)(OCC)OCC MSRJTTSHWYDFIU-UHFFFAOYSA-N 0.000 description 1
- 229960003493 octyltriethoxysilane Drugs 0.000 description 1
- 229940060184 oil ingredients Drugs 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 229920002601 oligoester Polymers 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 239000008133 orange flower water Substances 0.000 description 1
- 239000010502 orange oil Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- 229960001173 oxybenzone Drugs 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- 229940088608 peg-9 polydimethylsiloxyethyl dimethicone Drugs 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- BPHQIXJDBIHMLT-UHFFFAOYSA-N perfluorodecane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F BPHQIXJDBIHMLT-UHFFFAOYSA-N 0.000 description 1
- YVBBRRALBYAZBM-UHFFFAOYSA-N perfluorooctane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YVBBRRALBYAZBM-UHFFFAOYSA-N 0.000 description 1
- 239000010702 perfluoropolyether Substances 0.000 description 1
- 239000013500 performance material Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 229910052628 phlogopite Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001490 poly(butyl methacrylate) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000120 polyethyl acrylate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012673 precipitation polymerization Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 229940116422 propylene glycol dicaprate Drugs 0.000 description 1
- 239000001944 prunus armeniaca kernel oil Substances 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000008165 rice bran oil Substances 0.000 description 1
- 239000008132 rose water Substances 0.000 description 1
- 239000010667 rosehip oil Substances 0.000 description 1
- 239000010668 rosemary oil Substances 0.000 description 1
- 229940058206 rosemary oil Drugs 0.000 description 1
- 235000005713 safflower oil Nutrition 0.000 description 1
- 239000003813 safflower oil Substances 0.000 description 1
- 239000010670 sage oil Substances 0.000 description 1
- 229940058287 salicylic acid derivative anticestodals Drugs 0.000 description 1
- 150000003872 salicylic acid derivatives Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 239000008159 sesame oil Substances 0.000 description 1
- 235000011803 sesame oil Nutrition 0.000 description 1
- 229940057910 shea butter Drugs 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- VVNRQZDDMYBBJY-UHFFFAOYSA-M sodium 1-[(1-sulfonaphthalen-2-yl)diazenyl]naphthalen-2-olate Chemical compound [Na+].C1=CC=CC2=C(S([O-])(=O)=O)C(N=NC3=C4C=CC=CC4=CC=C3O)=CC=C21 VVNRQZDDMYBBJY-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000019337 sorbitan trioleate Nutrition 0.000 description 1
- 229960000391 sorbitan trioleate Drugs 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 229940032094 squalane Drugs 0.000 description 1
- 229940031439 squalene Drugs 0.000 description 1
- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940117986 sulfobetaine Drugs 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- UUJLHYCIMQOUKC-UHFFFAOYSA-N trimethyl-[oxo(trimethylsilylperoxy)silyl]peroxysilane Chemical compound C[Si](C)(C)OO[Si](=O)OO[Si](C)(C)C UUJLHYCIMQOUKC-UHFFFAOYSA-N 0.000 description 1
- SMYKBXMWXCZOLU-UHFFFAOYSA-N tris-decyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCCCC)C(C(=O)OCCCCCCCCCC)=C1 SMYKBXMWXCZOLU-UHFFFAOYSA-N 0.000 description 1
- UJMBCXLDXJUMFB-UHFFFAOYSA-K trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4h-pyrazole-3-carboxylate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-UHFFFAOYSA-K 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000011850 water-based material Substances 0.000 description 1
- 239000010497 wheat germ oil Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
-
- 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
-
- 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
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
Definitions
- the present invention relates to copolymers and cosmetics containing the same.
- water-based cosmetics and oil-in-water emulsified cosmetics have a continuous phase composed of an aqueous component, so when used as a cosmetic, (1) (2) it is relatively easy to manufacture; and (3) it is not easily affected by temperature.
- MPC methacryloyloxyethylphosphorylcholine
- MPC polymer with repeating units Lipidure registered by NOF Corporation
- MPC having a phosphorylcholine group has excellent biocompatibility (bioaffinity) and moisturizing properties, and is used as a biocompatible material, for example, as a coating agent for artificial organs, biofilms, medical devices, drug delivery, and as a component in cosmetics.
- silicones which are physiologically inactive, highly safe, and stable, are essential ingredients for cosmetics. It has been used for various purposes in the past.
- a cosmetic containing a polymer having properties of both a polymer having a phosphorylcholine group and a silicone for example, a cosmetic containing a polymer having an organopolysiloxane residue and a phosphorylcholine group has been proposed (Patent Document 1-3).
- Patent Documents 1 to 3 when the polymers disclosed in Patent Documents 1 to 3 were blended into a system containing water, it was difficult to blend them stably.
- water-based ingredients are often blended in order to obtain a fresh touch, and there is a high demand for functional materials that can be stably blended with water-based materials.
- durability against moisture such as perspiration is also required, and functional materials with high water repellency when formed into a film are required.
- an object of the present invention is to provide a copolymer that achieves both good dispersibility in water and high water repellency when formed into a film.
- Another object of the present invention is to provide a cosmetic that has water resistance in the cosmetic film, suppresses secondary adhesion of the cosmetic to a mask or the like, has good makeup durability, and is highly stable over time. intended to provide
- the structural unit represented by the following formula (1) is more than 20% by mass and less than 50% by mass in the copolymer
- the structural unit represented by the following formula (2) is 0% by mass in the copolymer. and less than 40% by mass
- a copolymer containing a structural unit represented by the following formula (3) is more than 20% by mass and less than 50% by mass in the copolymer, and the structural unit represented by the following formula (2) is 0% by mass in the copolymer. and less than 40% by mass, and a copolymer containing a structural unit represented by the following formula (3).
- each of R 1 to R 3 independently represents an optionally substituted linear or branched alkyl group having 1 to 30 carbon atoms
- R 4 represents an optionally substituted alkylene group having 2 to 10 carbon atoms, and m represents an integer of 1 to 30
- R 5 represents an optionally substituted linear or branched alkyl group having 1 to 30 carbon atoms).
- X to Y includes X and Y and means “X or more and Y or less”.
- operations and measurements of physical properties are performed under the conditions of room temperature (20 to 25° C.)/relative humidity of 45 to 55% RH.
- the structural unit represented by formula (1) is more than 20% by mass and less than 50% by mass in the copolymer
- the structural unit represented by formula (2) is more than 0% by mass in the copolymer. , less than 40% by mass, and a copolymer comprising a structural unit represented by formula (3).
- the copolymer of the present invention has good dispersibility in water and high water repellency when formed into a film.
- the copolymer of the present invention has high water repellency in the formed film and high dispersibility in water.
- the ratio of the structural unit represented by formula (1) and the structural unit represented by formula (2) is a specific range of the present invention. This is achieved by It is believed that the high water repellency is due to the structure of the present invention, which makes it easier for the structural unit represented by the formula (2), which is the lipophilic component, to orient outward when formed into a film. be done.
- the good dispersibility in water is due to the fact that the structural units represented by the formula (1) are oriented outward in water, form micelles, and disperse in water.
- the effect of the present invention is that it is a binary polymer of a structural unit represented by formula (1) and a structural unit represented by formula (2), which does not have a structural unit represented by formula (3). Considering that is not achieved (see, for example, Comparative Synthesis Examples 1 to 5 below), it is believed that the structural unit represented by formula (3) plays an important role in controlling the orientation as described above. be done. It should be noted that the estimation mechanism that produces the effect of the present invention does not limit the technical scope of the present invention.
- copolymer of the present invention will be described below.
- R 1 , R 2 and R 3 each independently represent a substituted or unsubstituted linear or branched alkyl group having 1 to 30 carbon atoms.
- alkyl groups having 1 to 30 carbon atoms include methyl group, ethyl group, n-propyl group, isopropyl group, 2-methylpropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group, n -pentyl group, iso-amyl group, tert-pentyl group, neopentyl group, n-hexyl group, 3-methylpentan-2-yl group, 3-methylpentan-3-yl group, 4-methylpentyl group, 4 -methylpentan-2-yl group, 1,3-dimethylbutyl group, 3,3-dimethylbutyl group, 3,3-dimethylbutan-2-yl group, n-heptyl group, 1-methylhexyl group, 3- methylhexyl group, 4-methylhexyl group, 5-methylhexyl group, 1-ethylpentyl group
- the alkyl group is preferably an alkyl group having 1 to 8 carbon atoms, more preferably an alkyl group having 1 to 3 carbon atoms, and is preferably a methyl group.
- R 1 to R 3 are each independently an optionally substituted linear or branched alkyl group having 1 to 3 carbon atoms, more preferably an optionally substituted methyl group, particularly preferably (unsubstituted) methyl group.
- Substituents in the substituted linear or branched C 1-30 alkyl group include halogen atoms (F, Cl, Br, I), unsubstituted linear or branched C 1-4 alkoxy group, unsubstituted straight-chain or branched-chain alkenyl group having 2 to 4 carbon atoms, unsubstituted cycloalkyl group having 3 to 6 carbon atoms, hydroxyl group, amino group and the like.
- the alkyl group having 1 to 30 carbon atoms is preferably unsubstituted in consideration of stability in an aqueous system.
- the said substituent does not contain an alkyl group.
- the structural unit represented by formula (1) is a structural unit derived from 2-methacryloyloxyethylphosphorylcholine (MPC) represented by the following formula.
- the content of the structural unit represented by formula (1) is more than 20% by mass and less than 50% by mass in the copolymer.
- the content of the structural unit represented by formula (1) in the copolymer is preferably 25 to 45% by mass, more preferably 25 to 40% by mass, and still more preferably more than 25% by mass. It is less than 40% by mass.
- R 4 represents an optionally substituted alkylene group having 2 to 10 carbon atoms.
- R 4 is preferably a linear or branched alkylene group having 2 to 8 carbon atoms, more preferably 2 to 6 carbon atoms, even more preferably an alkylene group having 2 to 4 carbon atoms, especially An alkylene group having 2 to 3 carbon atoms is preferred, and a trimethylene group (--CH 2 CH 2 CH 2 --) is most preferred.
- alkylene group having 2 to 10 carbon atoms examples include ethylene group, propylene group, trimethylene group, tetramethylene group, propylene group, butylene group, ethylethylene group, pentamethylene group, hexamethylene group, heptamethylene group, octamethylene group and the like. is mentioned.
- Optional substituents on the alkylene group having 2 to 10 carbon atoms include halogen atoms (F, Cl, Br, I), unsubstituted linear or branched alkoxy groups having 1 to 4 carbon atoms, non- Examples thereof include substituted straight-chain or branched-chain alkenyl groups having 2 to 4 carbon atoms, unsubstituted cycloalkyl groups having 3 to 6 carbon atoms, hydroxyl groups, and amino groups.
- the alkylene group having 2 to 10 carbon atoms is preferably unsubstituted.
- the said substituent does not contain an alkyl group.
- m represents an integer from 1 to 30.
- m is preferably an integer of 1 to 24, an integer of 1 to 20, an integer of 1 to 18, an integer of 1 to 16, an integer of 1 to 12, an integer of 6 to 24, an integer of 6 to 20, integer from 6 to 18, integer from 6 to 16, integer from 6 to 12, integer from 8 to 24, integer from 8 to 20, integer from 8 to 16, integer from 8 to 12, 8, 9, 10, 11, and 12 are exemplified.
- the content of the structural unit represented by formula (2) is more than 0% by mass and less than 40% by mass in the copolymer.
- the content of the structural unit represented by formula (1) is 40% by mass or more, the dispersibility in water is remarkably lowered.
- the structural unit represented by formula (2) is 0% by mass, the water repellency of the film is significantly reduced.
- the content of the structural unit represented by formula (2) in the copolymer is preferably 5 to 35% by mass, more preferably 10 to 30% by mass, particularly preferably 10% by mass. more than 30% by mass.
- R 5 represents an optionally substituted linear or branched alkyl group having 1 to 30 carbon atoms. If the number of carbon atoms in R5 is 31 or more, the dispersibility in water is lowered.
- the alkyl group having 1 to 30 carbon atoms is the same as those described in the column of formula (1) above. Among them, considering the solubility in water, the alkyl group is preferably an alkyl group having 1 to 8 carbon atoms. That is, in a preferred embodiment, R 5 is an optionally substituted linear or branched C 1-8 alkyl group, more preferably an optionally substituted linear or branched carbon an alkyl group having a number of 1 to 6, more preferably an optionally substituted linear or branched alkyl group having 1 to 4 carbon atoms, particularly preferably an optionally substituted n-butyl group; , most preferably an (unsubstituted) n-butyl group.
- Substituents in the substituted linear or branched C 1-30 alkyl group include halogen atoms (F, Cl, Br, I), unsubstituted linear or branched C 1-4 alkoxy group, unsubstituted straight-chain or branched-chain alkenyl group having 2 to 4 carbon atoms, unsubstituted cycloalkyl group having 3 to 6 carbon atoms, hydroxyl group, amino group and the like.
- the alkyl group having 1 to 30 carbon atoms is preferably unsubstituted in consideration of both stability in aqueous systems and long-lasting makeup.
- the said substituent does not contain an alkyl group.
- the content of the structural unit represented by formula (3) is preferably 20 to 70% by mass, more preferably 30% by mass to less than 70% by mass, and 35 to 65% by mass in the copolymer. % is even more preferred, and 40 to 60% by mass is particularly preferred.
- the content of the structural unit represented by formula (3) is within the above range, it is easier to achieve both water resistance and dispersibility in water in the formed coating.
- the copolymer of the present invention may contain structural units other than the structural units represented by formulas (1) to (3) (hereinafter simply referred to as other structural units).
- the content of other structural units in the copolymer is preferably less than 1% by mass from the viewpoint of achieving both water resistance and dispersibility in water of the film to be formed. It is more preferably less than 0.5% by mass, and preferably substantially free.
- substantially free means that the content of other structural units is preferably 0.01% by mass or less (lower limit of 0% by mass), more preferably 0.001% by mass or less (lower limit of 0% by mass). and particularly preferably 0% by mass.
- a preferred embodiment of the present invention is a copolymer comprising structural units represented by formulas (1) to (3).
- the weight average molecular weight (Mw) of the copolymer of the present invention is not particularly limited as long as the object of the present invention can be achieved, but it is preferably 20,000 or more, and 30,000 or more. is more preferred. When the weight average molecular weight is at least the above lower limit, the water repellency of the film is further improved.
- the weight average molecular weight (Mw) of the copolymer of the present invention is not particularly limited as long as the object of the present invention can be achieved, but it is preferably 100,000 or less, and 80,000 or less. It is more preferably 70,000 or less, and particularly preferably 60,000 or less.
- the weight average molecular weight (Mw) of the copolymer of the present invention is, for example, 20,000 to 100,000, further 20,000 to 80,000, 20,000 to 70,000, 30,000 to 70,000, 30,000 to 60,000 are exemplified.
- the weight average molecular weight of the copolymer of the present invention is calculated by a multi-angle light scattering method (MALS method) using a multi-angle light scattering detector.
- the copolymer of the present invention containing structural units represented by formulas (1) to (3) as repeating units can be obtained by polymerization by a known polymerization method in the presence of a solvent.
- a monomer composition containing monomers for forming each structural unit may be polymerized in the presence of a radical polymerization initiator.
- radical polymerization initiators examples include organic peroxides such as t-butyl peroxyneodecanoate, benzoyl peroxide, lauroyl peroxide, ⁇ , ⁇ '-azobisisobutyronitrile, 2,2'-azobis Azo compounds such as (2,4-dimethylvaleronitrile) and 2,2′-azobis(2-methylbutyronitrile), and persulfate polymerization initiators such as potassium persulfate and ammonium persulfate. These polymerization initiators can be used alone, or two or more of them can be used in combination.
- the amount of polymerization initiator to be used is usually 0.01 to 10 parts by weight, preferably 0.1 to 5 parts by weight, per 100 parts by weight of the total monomers.
- Examples of monomers for forming the structural unit of formula (1) include monomers represented by the following formula.
- R 1 to R 3 have the same definitions as R 1 to R 3 in formula (1).
- monomers for forming the structural unit of formula (1) include 2-methacryloyloxyethylphosphorylcholine (MPC) represented by the following formula.
- Examples of monomers for forming the structural unit of formula (2) include monomers represented by the following formula.
- R 4 has the same definition as R 4 in formula (2).
- m has the same meaning as m in formula (2).
- the monomer represented by the above formula may be abbreviated as "SiMA".
- Alkyl methacrylate is mentioned as a monomer for forming the structural unit of formula (3). Specific examples include methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, and 2-ethylhexyl methacrylate.
- the content of each structural unit matches the amount of each monomer added in the manufacturing stage.
- the content of each structural unit can be determined by NMR measurement, molecular weight measurement, or the like.
- the polymerization may be carried out under an inert gas atmosphere such as nitrogen.
- solution polymerization solution polymerization, suspension polymerization, bulk polymerization, precipitation polymerization, or the like can be used.
- the solution polymerization method is particularly preferable because it is easy to adjust the molecular weight of the obtained copolymer to the optimum range.
- Purification of the copolymer of the present invention can be carried out by known purification methods such as reprecipitation and dialysis.
- the copolymer of the present invention may be either a random copolymer or a block copolymer.
- the copolymer of the present invention is a random copolymer.
- Examples of the solvent used in the polymerization of the copolymer of the present invention include aromatic hydrocarbons such as benzene, toluene and xylene; ketones such as methyl ethyl ketone and methyl isobutyl ketone; esters such as ethyl acetate and butyl acetate; , alcohols such as methanol, and water, and these can be used alone or in combination of two or more. It can also be polymerized in a paraffinic solvent such as light isoparaffin, isododecane, isohexadecane and the like.
- the polymerization reaction temperature of the copolymer of the present invention is not particularly limited as long as it is within the temperature range in which a normal radical polymerization initiator can be used, but it is usually carried out in the range of 40 to 120°C. Although the reaction temperature varies depending on the radical polymerization initiator used, the type of monomer and the reaction temperature, the reaction is usually carried out for 2 to 24 hours. If the polymerization time is too short, the amount of residual monomer will be large and the yield will be low, which is not preferable.
- the copolymer of the present invention (hereinafter also simply referred to as copolymer) can itself be used as a raw material for producing various cosmetics. That is, the present invention also provides cosmetics containing copolymers.
- the cosmetic contains the copolymer, the water resistance to perspiration and the like is enhanced, and the makeup lasts longer.
- secondary adhesion of the cosmetic to the mask or the like can be suppressed by including the copolymer in the cosmetic.
- the cosmetic contains a copolymer, it has high stability over time.
- the cosmetic film formed by containing a highly water-repellent copolymer has high water resistance. Furthermore, the cosmetic of the present invention has a long-lasting cosmetic effect (long-lasting makeup) because it contains a copolymer. This is because the cosmetic film contains a highly water-repellent copolymer, and in addition to having high water resistance as described above, the constituent units represented by formula (1) are phospholipids and intercellular lipids.
- the cosmetic of the present invention can suppress secondary adhesion of the cosmetic to a mask or the like.
- the structural unit represented by formula (1) has a specific property of retaining bound water, and the structural units of formulas (1) to (3) are specified It is believed that this is because the inclusion of the compounding ratio of an amount improves the polymer conformation, and the structural units of formula (2), which have low friction and low tackiness (stickiness), are easily arranged on the outermost surface of the coating. be done. Furthermore, since the copolymer has good dispersibility in water, it is considered that when blended in cosmetics, the stability over time is high.
- the cosmetic of the present invention contains a copolymer, it has a feel such as no feeling of burden during application and no feeling of burden over time.
- the content of the copolymer in the cosmetic is appropriately set depending on the feel and function desired, and is, for example, 0.01 to 20% by mass, more preferably 0.1 to 15% by mass. It is even more preferably 0.1 to 10% by mass, particularly preferably more than 0.5% by mass and less than 8% by mass, and particularly preferably 1 to 5% by mass.
- Cosmetics include, for example, lotions, milky lotions, creams, serums, massage cosmetics, pack cosmetics, hand creams, body lotions, body creams, eye creams, sunscreens, and other basic cosmetics; makeup cosmetics such as foundations; hair cosmetics such as hair creams and hair waxes; Further, the properties of cosmetics include liquid, gel, milky lotion, cream, semi-solid, and solid forms, but liquid forms are preferred because they can contain a large amount of water-based components. .
- the copolymer of the present invention has good dispersibility in water, so it can be stably blended in an aqueous system. Moreover, its stability is maintained even after a long period of time. For this reason, the formulation of cosmetics is water-based (including solubilized type and powder-containing two-layer type) or emulsified type (oil-in-water type, water-in-oil type, etc.), which is a formulation containing water.
- An aqueous or oil-in-water emulsified system is more preferable because the aqueous phase is the external phase and contributes to the stability of the entire system.
- the cosmetic preferably contains water.
- Water is not particularly limited as long as it is generally used for cosmetics, and is derived from plants such as ordinary water, purified water, ion-exchanged water, hot spring water, deep sea water, lavender water, rose water, and orange flower water. and steam-distilled water. These may be used individually by 1 type, and may be used together 2 or more types.
- the content of water in the cosmetic is not particularly limited, but is preferably 20 to 99% by mass, more preferably 30 to 95% by mass, and more preferably 40 to 95% by mass. Even more preferred.
- ingredients that are usually used in cosmetics can be added to cosmetics.
- Ingredients commonly used in cosmetics include oils, surfactants (anionic surfactants, nonionic surfactants, amphoteric surfactants, cationic surfactants), thickeners (gelling agents, high molecules), coloring agents, powders other than coloring agents, lower alcohols such as ethanol, polyhydric alcohols, ultraviolet absorbers, pH adjusters, antioxidants, metal chelating agents, preservatives, fragrances, various chemicals, etc. can be compounded.
- Oil agents include hydrocarbons such as isododecane, isohexadecane, light isoparaffin, liquid paraffin, squalane, squalene, ⁇ -olefin oligomer, polybutene, liquid isoparaffin, heavy liquid isoparaffin, polyisobutylene, hydrogenated polyisobutene, rapeseed oil, avocado oil, almond oil, apricot kernel oil, perilla oil, orange oil, olive oil, kiwi seed oil, sesame oil, wheat germ oil, rice germ oil, rice bran oil, safflower oil, sage oil, soybean oil, tea seed oil, corn oil, rapeseed oil, evening primrose oil, camellia oil, persic oil, pearl barley oil, peanut oil, sunflower oil, grape seed oil, meadowfoam oil, rosemary oil, jojoba oil, macadamia nut oil, lavender oil, rosehip oil, mink oil Animal and vegetable oils such as; glyceryl
- anionic surfactants include fatty acid soaps, acyl glutamates, alkyl phosphates, polyoxyalkylene adducts such as polyoxyethylene lauryl ether phosphate, polyoxyethylene cetyl ether phosphate, and polyoxyethylene stearyl ether phosphate. Alkyl phosphates and the like can be mentioned. These anionic surfactants may be used singly or in combination of two or more.
- Nonionic surfactants include sorbitan fatty acid ester, glycerin fatty acid ester, polyglycerin fatty acid ester, propylene glycol fatty acid ester, polyethylene glycol fatty acid ester, sucrose fatty acid ester, polyoxyethylene alkyl ether, polyoxypropylene alkyl ether, polyoxy Ethylene alkylphenyl ether, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbitol fatty acid ester, polyoxyethylene glycerin fatty acid ester, polyoxyethylene propylene glycol fatty acid ester, polyoxyethylene castor oil, polyoxyethylene hardening Castor oil, polyoxyethylene hydrogenated castor oil fatty acid ester, polyoxyethylene phytostanol ether, polyoxyethylene phytosterol ether, polyoxyethylene cholestanol ether, polyoxyethylene cholesteryl ether, polyoxyalkylene-modified organopolysilox
- Amphoteric surfactants include, for example, imidazoline-based amphoteric surfactants (e.g., 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide side-1-carboxyethyloxy disodium salt, etc.); betaine surfactants (e.g., 2-heptadecyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, lauryldimethylaminoacetic acid betaine, alkylbetaine, amidobetaine , sulfobetaine, etc.); phospholipids (eg, lecithin, hydrogenated lecithin, etc.); In addition, a soybean, an egg, etc. are mentioned as a source of lecithin.
- imidazoline-based amphoteric surfactants e.g., 2-undecyl-N,
- the coloring agent is a coloring agent that is commonly used in cosmetics, it may have a shape such as spherical, plate-like, spindle-like, or needle-like; There are no particular restrictions on the particle structure, etc., and inorganic pigments, organic pigments, luster pigments, metals, and the like can be used. Specific powders include white inorganic pigments such as titanium oxide, zinc oxide, cerium oxide, and barium sulfate; colored inorganic pigments such as iron oxide, carbon black, chromium oxide, chromium hydroxide, Prussian blue, ultramarine blue, and red iron oxide; and mica.
- fluorine-based compounds silicone-based compounds, metallic soaps, lecithin, hydrogenated lecithin, collagen, hydrocarbons, higher fatty acids, higher alcohols, esters, waxes, waxes, surfactants, and the like, and use one or more of them.
- surface treatment may be applied.
- Powders other than colorants which are usually used as raw materials for cosmetics, may be plate-shaped, spindle-shaped, needle-shaped, or the like; It is not particularly limited to the particle structure and the like.
- Powders other than colorants include aluminum oxide, cerium oxide, magnesium oxide, zirconium oxide, magnesium carbonate, calcium carbonate, aluminum silicate, magnesium silicate, magnesium aluminum silicate, mica, synthetic mica, and synthetic sericite. , sericite, talc, kaolin, silica, silicon carbide, boron nitride and other inorganic powders, magnesium stearate, zinc stearate, N-acyl lysine, nylon, polymethyl methacrylate, organopolysiloxane powder, cellulose powder, etc. , and one or more of these can be used.
- One or more of these powders may be used in combination, and their surface may be treated with an oil agent, a silicone compound, a water-soluble polymer, or the like.
- Gelling agents include dextrin octanoate, dextrin laurate, dextrin myristate, dextrin palmitate, dextrin palmitate/2-ethylhexanoate, dextrin stearate, dextrin isostearate, dextrin palmitate/stearate, and dextrin oleate.
- dextrin fatty acid esters such as dextrin palmitic acid/hexyldecanoate, dextrin behenate, coconut oil fatty acid dextrin; sucrose fatty acid esters such as sucrose stearate and sucrose palmitate; fructooligosaccharide fatty acids such as fructooligosaccharide stearate Ester; Inulin fatty acid ester such as inulin stearate; Organically modified bentonites such as benzylammonium salt-modified montmorillonite and dihexadecyldimethylammonium salt-modified montmorillonite; ), glyceryl 2-ethyloctadecanedioate laurate, glyceryl tetradecanedioate myristate, glyceryl eicosanedioate palmitate, glyceryl hexadecanedioate stearate, glyceryl e
- polymers examples include carrageenan, xanthan gum, methylcellulose, hydroxyethylcellulose, carboxymethylcellulose, carboxyvinyl polymer, alkyl-modified carboxyvinyl polymer, polyvinyl alcohol, polyvinylpyrrolidone, (Na acrylate/Na acryloyldimethyltaurate) copolymer, (PEG- 240/decyltetradeceth-20/HDI) copolymers: terpene-based resins, silicone resins (for example, graft copolymers of acrylic polymers and dimethylpolysiloxanes (acrylates/dimethicone) copolymers (INCI name)) , (meth)acrylic acid/(meth)acrylic acid alkyl ester copolymer (acrylates copolymer (INCI name)), trimethylsiloxysilicate, polymethylsilsesquioxane, hydrocarbon resin, vinyl acetate resin (for example, polyviny
- the cosmetic may be in the form of further containing a water-soluble polymer.
- Polyhydric alcohols include propylene glycol, 1,3-butylene glycol, dipropylene glycol, and tripropylene glycol. These polymers may be used singly or in combination of two or more.
- ultraviolet absorbers examples include cinnamic acid derivatives, aminobenzoic acid derivatives, salicylic acid derivatives, benzophenone derivatives, phenylbenzimidazole derivatives, phenylbenzotriazole derivatives, and silicone derivatives.
- the ultraviolet absorber includes an oil solution.
- the copolymer of the present invention can be dissolved in an aqueous system, and the cosmetics can be obtained by performing emulsification or the like as necessary.
- t-butyl peroxyneodecanoate perbutyl (Japan registered trademark) ND (PB-ND), manufactured by NOF Corporation
- PB-ND t-butyl peroxyneodecanoate
- the molecular weight (Mw) of Synthesis Example 1 is 34,000, the molecular weight (Mw) of Synthesis Example 2 is 52,000, the molecular weight (Mw) of Synthesis Example 3 is 52,000, and the molecular weight (Mw) of Synthesis Example 4 is was 55,000.
- the copolymer of Synthesis Example had good dispersibility in water, and the film had high water repellency.
- Examples 1 to 5 Comparative Examples 1 to 5: Oil-in-water liquid foundation
- An oil-in-water liquid foundation having the composition shown in Table 2 (% by mass relative to 100% by mass of the entire cosmetic, the same applies hereinafter) was prepared by the following manufacturing method, and (a) the water resistance of the cosmetic film, (b) the secondary of the cosmetic film Adhesion prevention effect, (c) no makeup loss over time, (d) no feeling of burden during application, (e) no feeling of burden over time, and (f) stable blending of polymer, Evaluation was performed according to the following evaluation methods and criteria, and the results are also shown in Table 2.
- the oil-in-water liquid foundations of Examples 1 to 5 have (a) water resistance of the cosmetic film, (b) secondary adhesion prevention effect of the cosmetic film, and (c) makeup over time. (d) no feeling of burden during application; (e) no feeling of burden over time; On the other hand, Comparative Example 1, in which the copolymer of the present invention was not used, was significantly inferior in items (a) to (c). Comparative Example 2, in which an oil-soluble silicone resin was blended in place of the copolymer of the present invention, felt a burden during application or over time.
- Example 6 Water-in-oil liquid foundation] (Component) (% by mass) 1.
- Triethylhexanoin 3.0 11. 2-ethylhexyl para-methoxycinnamate 7.0 12. Diethylaminohydroxybenzoyl hexyl benzoate 1.0 13. Isododecane 3.0 14. Methylphenylpolysiloxane 3.0 15. Dimethicone 5.0 16. Decamethylcyclopentasiloxane 10.0 17. Dimethyl distearylammonium hectorite 1.0 18. (Dimethicone/vinyl dimethicone) crosspolymer (*3) 1.0 19. Silica (average particle size 5 ⁇ m) 1.0 20. Polymethylsilsesquioxane (*4) 1.0 21. Remaining purified water 22.
- the water-in-oil type liquid foundation of Example 6 has (a) water resistance of the cosmetic film, (b) secondary adhesion prevention effect of the cosmetic film, (c) no makeup deterioration over time, and (d) at the time of application. It was excellent in all of (e) no feeling of burden over time, and (f) stability of blending with the polymer.
- Example 7 Water-based base (powder-containing two-layer type)] (Component) (% by mass) 1. Polyoxyethylene sorbitan trioleate 0.5 2. Hydrogenated lecithin 0.5 3. Triethanolamine 1.0 4. Copolymer of Synthesis Example 2 3.0 5. Remaining purified water 6. Crystalline cellulose (*1) 1.0 7. Xanthan gum 0.5 8.1,3-butylene glycol 5.0 9. Dipropylene glycol 10.0 10. Ethanol 5.0 11. Phenoxyethanol 0.3 12. Phenylbenzimidazole sulfonic acid (*2) 3.0 13. Fine titanium oxide 1.0 14. Fine zinc oxide 3.0 15. Titanium oxide 12.0 16. Iron oxide 1.0 17. Talc 0.5 18.
- the water-based base of Example 7 has (a) the water resistance of the cosmetic film, (b) the effect of preventing secondary adhesion of the cosmetic film, (c) no makeup deterioration over time, and (d) no feeling of burden during application. , (e) no feeling of burden over time, and (f) stable compounding properties of the polymer.
- Example 8 Oil-in-water sunscreen] (Component) (% by mass) 1. (Na acrylate/Na acryloyldimethyltaurate) copolymer 1.0 2. Stearoyl methyl taurine Na (*1) 0.5 3. Polyoxyethylene hydrogenated castor oil 0.3 4. behenyl alcohol 0.3 5. Inulin Isostearate (*2) 1.0 6. Polyhydroxy stearic acid 0.5 7.2-Cetyl ethylhexanoate 6.0 8. Isotridecyl isononanoate 4.0 9. Ethylhexyl methoxycinnamate (*3) 7.0 10.
- the oil-in-water sunscreen of Example 8 has (a) water resistance of the cosmetic film, (b) secondary adhesion prevention effect of the cosmetic film, (c) no makeup deterioration over time, and (d) burden during application. (e) no feeling of burden over time, and (f) stability of blending with the polymer.
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Abstract
Description
本発明の共重合体は、式(1)~(3)で表される構成単位以外の構成単位(以下、単にその他の構成単位とも称する)を含んでいてもよい。しかしながら、本発明においては、形成される被膜の耐水性と水への分散性との両立の観点からは、その他の構成単位の含有量が共重合体中1質量%未満であることが好ましく、0.5質量%未満であることがより好ましく、実質的に含まないことが好ましい。ここで、実質的に含まないとは、その他の構成単位の含有量が、好ましくは0.01質量%以下(下限0質量%)、より好ましくは0.001質量%以下(下限0質量%)であり、特に好ましくは0質量%である。本発明の好適な一実施形態は、式(1)~(3)で表される構成単位からなる共重合体である。
本発明の共重合体の重量平均分子量(Mw)は、本発明の目的を達成することができるのであれば特に制限されないが、20,000以上であることが好ましく、30,000以上であることがより好ましい。重量平均分子量が上記下限以上であることで、被膜の撥水性が一層向上する。また、本発明の共重合体の重量平均分子量(Mw)は、本発明の目的を達成することができるのであれば特に制限されないが、100,000以下であることが好ましく、80,000以下であることがより好ましく、70,000以下であることがさらにより好ましく、60,000以下であることが特に好ましい。重量平均分子量が上記上限以下であることで、水系への溶解性が一層向上し、安定性が一層向上する。本発明の共重合体の重量平均分子量(Mw)は、例えば、20,000~100,000であり、さらには、20,000~80,000、20,000~70,000、30,000~70,000、30,000~60,000が例示される。本発明の共重合体の重量平均分子量は、多角度光散乱検出器を用いた多角度光散乱法(MALS法)により算出される。
式(1)~(3)で表される構成単位を繰り返し単位として含む本発明の共重合体は、溶媒の存在下、公知の重合方法による重合により得ることができる。特に限定はされないが、各構成単位を形成するための単量体を含む単量体組成物について、ラジカル重合開始剤の存在下で重合を行えばよい。ラジカル重合開始剤としては、例えば、t-ブチルペルオキシネオデカノエート、ベンゾイルパーオキサイド、ラウロイルパーオキサイド等の有機過酸化物、α,α’-アゾビスイソブチロニトリル、2,2’-アゾビス(2,4-ジメチルバレロニトリル)、2,2’-アゾビス(2-メチルブチロニトリル)等のアゾ系化合物、過硫酸カリウム、過硫酸アンモニウム等の過硫酸系重合開始剤等が挙げられる。これらの重合開始剤は、単独で用いることができ、また、2種以上を混合して用いることもできる。重合開始剤の使用量は、全単量体100質量部に対して通常0.01~10質量部、好ましくは0.1~5質量部である。
本発明の共重合体(以下、単に共重合体とも称する)は、それ自体種々の化粧料の製造原料として使用することができる。すなわち、本発明は、共重合体を含有する化粧料も提供する。化粧料が共重合体を含むことで、汗などへの耐水性が高まり、また、化粧持ちが向上する。また、化粧料が共重合体を含むことで、マスク等への化粧料の二次付着を抑制することができる。さらには、化粧料が共重合体を含むことで、経時での安定性が高い。本発明の共重合体を用いることで上記効果を奏することの詳細は不明であるが、以下のように推定される。
2-メタクリロイルオキシエチルホスホリルコリン(MPC、日油(株)製)30.0g、シリコーンメタクリレート(SiMA、信越化学工業(株)製、式(2)におけるR4がトリメチレン基、mが11)10.0g、およびブチルメタクリレート(ブレンマーBMA、日油(株)製)60.0gを、4つ口フラスコへ入れ、エタノール233.3gで溶解させ、30分間窒素ガスの吹き込みを行った。この後、重合開始剤としてt-ブチルペルオキシネオデカノエート(パーブチル(日本登録商標)ND(PB-ND)、日油(株)製)2.0gを加えて70℃で6時間重合反応を行った。重合反応後、減圧下で揮発性成分を留去し、ポリマー粉末を得た。MALS法により、重合物の分子量分析を行った。装置は多角度光散乱検出器(DAWN HELEOS II 8+)を用い、媒体にはイソプロパノールを用いた。その重量平均分子量は34,000であった。
下記表1に示す単量体種類及び量を使用した以外は、合成実施例1と同様の手順に従って重合体を製造した。
下記表1に示す単量体種類及び量を使用した以外は、合成実施例1と同様の手順に従って重合体を製造した。
水90gに対し、合成実施例または合成比較例で製造した共重合体10gを混合し、70℃2時間加温後、常温冷却し安定分散の可否を目視で確認した。結果を下記表1に併せて示す。
○:透明に溶解
×:白濁、乃至下層にポリマーが沈殿
(評価方法2:被膜の接触角)
合成実施例または合成比較例で製造した共重合体の10質量%水溶液を調製し、25μmドクターブレードにて製膜した。水の静的接触角を液滴法にて測定した。評価が2以上であれば良好な撥水性を有すると言える。結果を下記表1に併せて示す。
5:100°以上
4:80°以上100°未満
3:60°以上80°未満
2:50°以上60°未満
1:50°未満
表2に示す組成(化粧料全体100質量%に対する質量%、以下同様)の水中油型リキッドファンデーションを下記製造方法により調製し、(イ)化粧膜の耐水性、(ロ)化粧膜の二次付着防止効果、(ハ)経時での化粧崩れのなさ、(ニ)塗布時の負担感のなさ、(ホ)経時での負担感のなさ、(ヘ)ポリマーの安定配合性の各項目について、以下に示す評価方法および判定基準により評価判定し、結果を併せて表2に示した。
(1)成分1~3、8~14を均一に混合し、75℃に加温した。
(2)成分7、15~22、及び24~25を均一に混合し、75℃に加温した。
(3)(2)に、(1)を加え、乳化、冷却した。
(4)成分4~6、成分23、成分26~30を3本ローラーにて処理した。
(5)(3)に(4)を添加、ディスパーにて分散した。
(6)(5)に、成分31~32を添加、脱泡後、水中油型リキッドファンデーションを得た。
(イ)化粧膜の耐水性
PMMAプレート(5×5cm)に、各リキッドファンデーションを10mg塗布後、室温にて30分間乾燥し、そのプレートを、円柱状のプラスチック容器内に張り付け、そこへ水を100g入れた後に、1分間振盪後、化粧膜の崩れ、薄れの具合を目視観察し、以下の判定基準で耐水性を評価した。
(判定基準)
化粧膜が全く落ちていない:◎
化粧膜が殆ど落ちていない:〇
化粧膜が落ちている:△
化粧膜がかなり落ちている:×
(ロ)化粧膜の二次付着防止効果
黒色人工皮革(5×5cm)に、各リキッドファンデーションを10mg塗布後、室温で30分間乾燥した後、その上に不織布(5×5cm)、更に金属板(5×5cm)を載せ、油圧プレス機で50MPaの圧力で加圧後、不織布への色移りの程度から、以下の判定基準で二次付着防止効果を評価した。
(判定基準)
不織布に全く付いていない:◎
不織布に殆ど付いていない:〇
不織布に付いている:△
不織布にかなり付いている:×
(ハ)経時での化粧崩れのなさ、(ニ)塗布時の負担感(化粧料の伸び広がりが悪く、塗擦行為により肌が引っ張られる)のなさ、(ホ)経時での負担感(肌にツッパリ感を感じたり、化粧膜による閉塞感を感じる)のなさ
各リキッドファンデーションの経時での化粧崩れのなさについては、化粧品評価専門パネル20名が、各リキッドファンデーションを全顔に塗布直後、及び6時間後の経時変化を目視で観察し、化粧膜の崩れのなさを、各自が以下の基準に従って5段階評価し、それぞれに評点を付し、更に全パネルの評点の平均点を以下の判定基準に従って判定した。また、塗布時の負担感のなさ、経時での負担感のなさについても、塗布時、6時間後について官能評価を行い、各自が以下の基準に従って5段階評価し、それぞれに評点を付し、更に全パネルの評点の平均点を以下の判定基準に従って判定した。
(評価結果):(評点)
非常に良好:5点
良好:4点
普通:3点
やや不良:2点
不良:1点
(判定基準):判定
4.0を超え:◎
3.0を超え4.0以下:〇
2.0を超え3.0以下:△
2.0以下:×
(ヘ)ポリマーの安定配合性
各リキッドファンデーションを、5℃の恒温槽に1か月静置保管後、室温に戻し、配合したポリマーの不溶化の有無を確認した。
(判定基準):判定
ポリマーの不溶化が全く見られない:◎
ポリマーの不溶化が見られる:×
(成分) (質量%)
1.ラウリン酸亜鉛(3%)処理酸化チタン 10.0
2.ラウリン酸亜鉛(3%)処理微粒子酸化チタン 1.0
3.ラウリン酸亜鉛(3%)処理赤酸化鉄 0.3
4.ラウリン酸亜鉛(3%)処理黄酸化鉄 1.1
5.ラウリン酸亜鉛(3%)処理黒酸化鉄 0.2
6.ラウリン酸亜鉛(3%)処理タルク 1.0
7.(アクリレーツ/アクリル酸エチルヘキシル/メタクリル酸ジメチコン)コポリマー(*1) 0.2
8.PEG-9ポリジメチルシロキシエチルジメチコン(*2) 4.0
9.イソノナン酸イソトリデシル 3.0
10.トリエチルヘキサノイン 3.0
11.パラメトキシケイ皮酸2-エチルヘキシル 7.0
12.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 1.0
13.イソドデカン 3.0
14.メチルフェニルポリシロキサン 3.0
15.ジメチコン 5.0
16.デカメチルシクロペンタシロキサン 10.0
17.ジメチルジステアリルアンモニウムヘクトライト 1.0
18.(ジメチコン/ビニルジメチコン)クロスポリマー(*3)1.0
19.シリカ(平均粒子系5μm) 1.0
20.ポリメチルシルセスキオキサン(*4) 1.0
21.精製水 残量
22.エチルヘキシルグリセリン 0.1
23.フェノキシエタノール 0.3
24.エタノール 5.0
25.1.3-ブチレングリコール 5.0
26.グリセリン 5.0
27.合成実施例2の共重合体 3.0
*1:信越化学工業社製KP-578
*2:信越化学工業社製KF-6028P
*3:信越化学工業社製KSP-102
*4:モメンティブ・マテリアルズ・パフォーマンス・ジャパン社製トスパール2000B
[製造方法]
(1)成分1~7、成分9、10を混合し、3本ローラーにて処理した。
(2)成分8、成分11~20を、ディスパーにて分散した。
(3)(2)に、(1)を加え、ディスパーにて分散した。
(4)成分21~27を混合溶解した。
(5)(3)に、(4)を添加、乳化し、脱泡後、油中水型リキッドファンデーションを得た。
(成分) (質量%)
1.トリオレイン酸ポリオキシエチレンソルビタン 0.5
2.水添レシチン 0.5
3.トリエタノールアミン 1.0
4.合成実施例2の共重合体 3.0
5.精製水 残量
6.結晶セルロース(*1) 1.0
7.キサンタンガム 0.5
8.1,3-ブチレングリコール 5.0
9.ジプロピレングリコール 10.0
10.エタノール 5.0
11.フェノキシエタノール 0.3
12.フェニルベンズイミダゾールスルホン酸(*2) 3.0
13.微粒子酸化チタン 1.0
14.微粒子酸化亜鉛 3.0
15.酸化チタン 12.0
16.酸化鉄 1.0
17.タルク 0.5
18.ポリメチルシルセスキオキサン(*3) 1.0
19.ポリメタクリル酸メチル 1.0
20.シリカ(*4) 0.2
*1:レオクリスタC-2SP(第一工業製薬社製)
*2:EUSOLEX 232 (メルクパフォーマンスマテリアルズ社製)
*3:モメンティブ・マテリアルズ・パフォーマンス・ジャパン社製トスパール2000B
*4:AEROSIL 200(日本アエロジル社製)
[製造方法]
(1)成分1、2、成分8、9、及び成分13~20を混合後、3本ローラーにて処理した。
(2)成分3~7、成分10~12を均一溶解した。
(3)(2)に(3)を添加し、ディスパーにて分散後、脱泡し、水系下地を得た。
(成分) (質量%)
1.(アクリル酸Na/アクリロイルジメチルタウリンNa)コポリマー
1.0
2.ステアロイルメチルタウリンNa(*1) 0.5
3.ポリオキシエチレン硬化ヒマシ油 0.3
4.ベヘニルアルコール 0.3
5.イソステアリン酸イヌリン(*2) 1.0
6.ポリヒドロキシステアリン酸 0.5
7.2-エチルヘキサン酸セチル 6.0
8.イソノナン酸イソトリデシル 4.0
9.メトキシケイヒ酸エチルヘキシル(*3) 7.0
10.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(*4) 3.0
11.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(*5)
2.0
12.ポリシリコーン-15(*6) 1.5
13.精製水 残量
14.キサンタンガム 0.3
15.カルボマー(*7) 0.5
16.合成実施例2の共重合体 3.0
17.エタノール 7.0
18.フェノキシエタノール 0.1
19.グリセリン 3.0
20.1,3-ブチレングリコール 3.0
21.ジメチコン/オクチルトリエトキシシラン処理(13%)酸化亜鉛(*8) 10.0
22.マイカ 2.0
23.シリカ 1.0
24.(ビニルジメチコン/メチコンシルセスキオキサン)クロスポリマー(*9) 1.0
*1:SIMULGEL EG(SEPPIC社製)
*2:レオパールISK2(千葉製粉社製)
*3:ユビナール(登録商標)MC80(BASF社製)
*4:チノソーブ(登録商標)S(BASF社製)
*5:ユビナール(登録商標)A PLUS(BASF社製)
*6:パルソール SLX(DSM社製)
*7:CARBOPOL(登録商標)980(Lubrizol社製)
*8:MZ-500(テイカ社製)
*9:信越化学工業社製KSP-102。
(1)成分6~8、成分21~24を混合し、3本ローラーにて処理した。
(2)成分1~5、成分9~12を均一に混合し、75℃に加温した。
(3)成分13~20を均一に混合し、75℃に加温した。
(4)(3)に(2)を添加し、乳化後、冷却した。
(5)(4)に(1)を添加、ディスパーにて分散後、脱泡し、水中油型日焼け止めを得た。
Claims (10)
- 前記式(3)で表される構成単位が、共重合体中20~70質量%含まれる、請求項1に記載の共重合体。
- 重量平均分子量(Mw)が、20,000~100,000である、請求項1または2に記載の共重合体。
- 前記mが、8~16の整数である、請求項1~3のいずれか1項に記載の共重合体。
- 前記R1~R3が、それぞれ独立して、置換されてもよい直鎖または分岐鎖の炭素数1~3のアルキル基である、請求項1~4のいずれか1項に記載の共重合体。
- 前記式(1)~(3)で表される構成単位以外の構成単位の含有量が共重合体中1質量%未満である、請求項1~5のいずれか1項に記載の共重合体。
- 前記R5が、置換されてもよい直鎖または分岐鎖の炭素数1~8のアルキル基である、請求項1~6のいずれか1項に記載の共重合体。
- 請求項1~7のいずれか1項に記載の共重合体を含有する化粧料。
- 水系または水中油型乳化系である、請求項8に記載の化粧料。
- 前記共重合体の含有量が、0.01~20質量%である、請求項8または9に記載の化粧料。
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WO2019189608A1 (ja) | 2018-03-30 | 2019-10-03 | 株式会社コーセー | ホスホリルコリン基及びシリコーン基含有共重合体、当該共重合体で被覆された粉体及びその製造方法、並びに当該共重合体及び当該粉体の化粧料への利用 |
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- 2022-06-29 CN CN202280045536.8A patent/CN117561288A/zh active Pending
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JP2021109184A (ja) | 2020-01-08 | 2021-08-02 | トヨタ自動車株式会社 | レーザ溶接方法 |
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