WO2014189014A1 - ゲル化剤 - Google Patents
ゲル化剤 Download PDFInfo
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- WO2014189014A1 WO2014189014A1 PCT/JP2014/063237 JP2014063237W WO2014189014A1 WO 2014189014 A1 WO2014189014 A1 WO 2014189014A1 JP 2014063237 W JP2014063237 W JP 2014063237W WO 2014189014 A1 WO2014189014 A1 WO 2014189014A1
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- gel
- oily base
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- composition
- acid
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Classifications
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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
- A61K8/64—Proteins; Peptides; Derivatives or degradation products thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0216—Solid or semisolid forms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0216—Solid or semisolid forms
- A61K8/0229—Sticks
-
- 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
- A61K8/042—Gels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
- A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
- A61Q1/06—Lipsticks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
- A61Q1/08—Preparations containing skin colorants, e.g. pigments for cheeks, e.g. rouge
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q15/00—Anti-perspirants or body deodorants
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/06—Dipeptides
- C07K5/06104—Dipeptides with the first amino acid being acidic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/06—Dipeptides
- C07K5/06104—Dipeptides with the first amino acid being acidic
- C07K5/06113—Asp- or Asn-amino acid
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
-
- 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
- A61K2800/592—Mixtures of compounds complementing their respective functions
Definitions
- the present invention relates to an oily base gelling agent. More specifically, the present invention relates to an oily base gelling agent containing a specific peptide compound.
- the gelling agent of the present invention is useful for diversifying forms by gelling an oily base that exhibits a liquid state at room temperature.
- gemini (twin) type amphiphilic compounds having two-chain three hydrophilic groups using natural fatty acids and amino acids as raw materials have an oily gel forming function (see Patent Documents 1 and 2).
- This compound is useful in that it has a peptide structure (including two glutamic acids and one lysine), and thereby has an excellent skin care function, hair care function and the like in addition to an oily gel forming function.
- compounds obtained from naturally-derived materials such as amino acids and peptides, from the viewpoint of safety and the increasing tendency of natural preference in recent years.
- the subject of this invention is providing the novel gelatinizer which can gelatinize an oil-based base favorably.
- the novel gelling agent can suppress the so-called “sweat phenomenon” in which the gelled oily base oozes from the surface of the gel-like composition due to change over time.
- [2] The oily base according to the above [1], wherein R 1 is an alkyl group having 3 to 21 carbon atoms, and R 2a , R 2b and R 2c are each an alkyl group having 1 to 10 carbon atoms. Gelling agent.
- the gelling agent of the oily base of the present invention can make the oily base gel well by adding a small amount, and the oily base oozes from the surface of the gel-like composition, so-called “sweat phenomenon”. Can be suppressed. Moreover, since it has a peptide structure, an excellent skin care function and hair care function can be expected.
- the gelling agent of the oily base of the present invention contains a specific peptide compound.
- “gelling agent” refers to a substance or composition that thickens a liquid and changes it into a jelly or solid form. In the present invention, it is particularly useful as a gelling agent for an oily liquid (oily base).
- the peptide compound contained in the gelling agent of the oily base of the present invention is a compound represented by the formula (1).
- the alkyl group represented by R 1 may be either linear or branched, and is preferably an alkyl group having 3 to 21 carbon atoms.
- the alkyl group include propyl group, isopropyl group, butyl group, isobutyl group, sec-butyl group, tert-butyl group, pentyl group, sec-pentyl group, tert-pentyl group, isopentyl group, hexyl group, heptyl group, 1-ethylpentyl, octyl, 2-ethylhexyl, tert-octyl, nonyl, isononyl, decyl, isodecyl, undecyl, dodecyl, tridecyl, isotridecyl, tetradecyl, pentadecyl, hexadecyl Group, octadecyl group,
- an alkyl group having 5 to 17 carbon atoms is more preferable, an alkyl group having 7 to 13 carbon atoms is more preferable, and a 1-ethylpentyl group is more preferable. Or it is most preferable that it is an undecyl group.
- the alkyl groups represented by R 2a , R 2b and R 2c may be either linear or branched, and may be the same or different.
- the alkyl group represented by R 2a , R 2b and R 2c is preferably an alkyl group having 1 to 10 carbon atoms.
- alkyl group examples include methyl group, ethyl group, isopropyl group, propyl group, butyl group, isobutyl group, sec-butyl group, tert-butyl group, pentyl group, sec-pentyl group, tert-pentyl group, isopentyl group, Examples include hexyl, heptyl, octyl, 2-ethylhexyl, tert-octyl, nonyl, isononyl, decyl, and isodecyl.
- an effective gel strength can be imparted with a small amount
- it is more preferably an alkyl group having 3 to 6 carbon atoms, and the alkyl groups represented by R 2a , R 2b and R 2c are all butyl groups. Further preferred.
- the peptide compound represented by Formula (1) has an asymmetric carbon on the amino acid residue, but the DL ratio (D-form / L-form (mass / mass)) based on this asymmetric carbon is not particularly defined.
- the peptide compound represented by the formula (1) can be produced by N-acyl glutamic anhydride, glutamate and alkylamine according to a method known per se.
- the peptide compound represented by the above formula (1) is used as it is, or an additive such as cetyl alcohol, stearyl alcohol, stearic acid, hardened oil, solid paraffin or the like is added to form a powder.
- the peptide compound is dissolved or suspended in a solvent such as ethanol, isopropanol, dipropylene glycol or the like to form a liquid or suspension oily base gel. It can also be provided as an agent.
- it is preferably provided in a powder form.
- the content of the peptide compound represented by the formula (1) with respect to the total amount of the gelling agent of the oily base of the present invention is preferably 0.1% by mass to 100% by mass, and 1.0% by mass to 100% by mass. % Is more preferable.
- the oily base that can be gelled by the gelling agent of the oily base of the present invention is not particularly limited as long as it is an oily base generally used in cosmetics and quasi-drugs.
- methylpolysiloxane Highly polymerized methylpolysiloxane, polyoxyethylene / methylpolysiloxane copolymer, polyoxypropylene / methylpolysiloxane copolymer, poly (oxyethylene, oxypropylene) / methylpolysiloxane copolymer, stearoxymethylpolysiloxane , Stearoxytrimethylsilane, methylhydrogenpolysiloxane, octamethylpolysiloxane, decamethylpolysiloxane, decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, tetrahydrotetramethylcyclotetrasiloxane, methylcyclo
- the present invention further provides (A) a gelling agent for an oily base containing the peptide compound represented by the above formula (1), and (B) a gel-like composition containing the oily base.
- Examples of the (B) oily base contained in the gel composition of the present invention include the oily bases described above, and one or more of these oily bases can be selected and used. .
- the amount of the gelling agent of the oily base (A) in the gel composition of the present invention is not particularly limited as long as the oily base is gelled. From the viewpoint of obtaining a gel composition excellent in the gel strength and the above-mentioned “sweat phenomenon” suppressing effect, the blending amount (mass%) of the gelling agent of the oil-based base (A) with respect to the total amount of the gel composition. Is preferably 0.01% by mass, more preferably 0.03% by mass, still more preferably 0.05% by mass, in terms of the amount of the peptide compound represented by the above formula (1). More preferred is mass%.
- the upper limit of the blending amount (% by mass) of the gelling agent of the oil-based base (A) with respect to the total amount of the gel-like composition is the above formula
- the amount of the peptide compound represented by (1) is preferably 20% by mass, more preferably 10% by mass, further preferably 7% by mass, still more preferably 5% by mass, and most preferably 3% by mass.
- the blending amount of the oil base (B) in the gel composition of the present invention is not particularly limited as long as gelation proceeds.
- the lower limit of the blending amount (% by mass) of the oily base (B) with respect to the total amount of the gel composition is preferably 10% by mass, more preferably 20% by mass from the viewpoint that a gel network is formed and retained. 30 mass% is still more preferable, 50 mass% is still more preferable, and 70 mass% is the most preferable.
- the upper limit of the blending amount (% by mass) of the oily base (B) with respect to the total amount of the gel composition is preferably 99.99% by mass from the viewpoint that a gel can be efficiently formed, and 99.9% by mass. Is more preferable, 99 mass% is still more preferable, and 98 mass% is still more preferable.
- the gel composition of the present invention various chelating agents, antiperspirant active ingredients, surfactants, various additives, and components that can be used in normal cosmetics such as various powders, do not impair the effects of the present invention. Can be blended.
- the gel composition means a composition comprising only the gelling agent of the oily base (A) and the oily base (B) in a narrow sense, It also means cosmetics, fragrances, quasi-drugs and the like as final products including the above-mentioned various additive components.
- chelating agents that can be blended in the gel composition of the present invention are not particularly limited, but preferably triethylenetetramine, 2-thenoyltrifluoroacetone, thioglycolic acid, tartaric acid, succinic acid, 8-quinolinol, pyridine.
- -2,6-dicarboxylic acid pyridine, 1,10-tenanthroline, lactic acid, 8-hydroxyquinoline-5-sulfonic acid, glycine, 2,2'-pyridylethylenediamine, aurintricarboxylic acid, xylenol orange, 5-sulfosalicylic acid Salicylic acid, pyrocatechol-3,5-disulfonate, 4,5-dihydroxybenzene-1,3-disulfonic acid, 1,2-diaminocyclohexane-N, N, N ′, N′-tetraacetic acid, citric acid, Oxalate, nitrilotriacetic acid, ethylenediamine-N, N, N ', N' -Tetraacetic acid, acetylacetone and salts thereof may be mentioned, one of these may be selected and used alone, or two or more may be used in combination.
- the antiperspirant active ingredient that can be blended in the gel composition of the present invention refers to an ingredient that suppresses the generation of sweat by strongly converging the skin.
- Such antiperspirant active ingredients are produced by reacting chlorohydroxyaluminum, aluminum chloride, allantochlorohydroxyaluminum, aluminum sulfate, zinc oxide, zinc paraphenol sulfonate, and zirconyl chloride with aluminum hydroxide and aluminum chlorohydroxide. Zirconium-aluminum composites may be used, and one of these may be selected and used alone, or two or more may be used in combination.
- Examples of surfactants that can be incorporated into the gel composition of the present invention include N-long chain acyl amino acid salts such as N-long chain acyl acidic amino acid salts and N-long chain acyl neutral amino acid salts, N-long chains, and the like.
- Examples of various additives that can be incorporated into the gel composition of the present invention include glycine, alanine, serine, threonine, arginine, glutamic acid, aspartic acid, isoleucine, leucine, valine, and other amino acids; glycerin, ethylene glycol, 1 , 3-butylene glycol, propylene glycol, isoprene glycol and other polyhydric alcohols; polyamino acids including polyglutamic acid and polyaspartic acid and salts thereof, polyethylene glycol, gum arabic, alginate, xanthan gum, hyaluronic acid, hyaluronic acid salt, Chitin, chitosan, water-soluble chitin, carboxyvinyl polymer, carboxymethylcellulose, hydroxyethylcellulose, hydroxypropyltrimethylammonium chloride, polydimethylchloride Water-soluble polymers such as mpiperidinium, polyvinylpyrrolidone
- nucleic acids In addition to lower alcohol, etc., animal and plant extracts, nucleic acids, vitamins, enzymes, anti-inflammatory agents, bactericides, antiseptics, antioxidants, UV absorbers, pigments, lake pigments, oxidation dyes, pH adjusters, pearl agents, Wetting agents and the like can be mentioned. In the present invention, one or more of the above additives can be selected and used as necessary.
- Examples of the various powders include resin powders such as nylon powder, nylon beads, and silicone beads, organic powders such as metal fatty acid soaps, acyl lysine, acyl glutamic acid, acyl arginine, acyl glycine, and the like; yellow iron oxide, Red iron oxide, black iron oxide, chromium oxide, cobalt oxide, carbon black, ultramarine, bitumen, zinc oxide, titanium oxide, zirconium oxide, silicon oxide, aluminum oxide, cerium oxide, titanium mica, boron nitride, barium sulfate, calcium carbonate
- Inorganic pigments such as magnesium carbonate, aluminum silicate, magnesium silicate, silicon carbide, sericite, mica, talc, kaolin, plate barium sulfate, butterfly barium sulfate, fine particle titanium oxide, fine particle zinc oxide, fine particle iron oxide
- silicone Management fluorine compound treatment, silane coupling agent treatment, silane treatment organic titanate process, acylated lysine treatment
- the shape of the gel composition of the present invention is not particularly limited, for example, it can be provided in a solid form such as a semi-solid form such as a paste form or a cream form, a granular form, a stick form, a spherical form or a sheet form. In particular, it is preferable to provide a rod-like shape.
- the gel composition of the present invention is prepared by adding (A) an oily base gelling agent to (B) an oily base and dissolving it by heating, and if necessary, adding other additive components and mixing them uniformly. It can be prepared by filling a container such as a jar or a mold having a desired shape such as a rod and then cooling to room temperature.
- the granular gel composition can be prepared by pulverization of a solidified gel, gelation of oil droplets emulsified in an aqueous phase, or the like.
- the present invention further provides a cosmetic or quasi-drug containing the above-described gel composition of the present invention or itself being the gel composition of the present invention.
- the cosmetics or quasi-drugs of the present invention are not limited in shape and size, and are specifically antiperspirants, facial cleansers, cleansing gels, emulsions, massage creams, cold creams, moisture gels, packs, and after-shaves.
- Gel foundation, lipstick, lipstick, teak, mascara, shampoo, rinse, hair restorer, treatment, hair conditioner, tic, set lotion, hair cream, hair wax, hair mousse, perm solution, hair dye, hair color, hair manicure , Sunscreen oils, hand soaps, fragrances and poultices, preferably as cosmetics or quasi-drugs having a stick-like shape such as antiperspirants, lipsticks or lipsticks.
- NMR measurement conditions Using a nuclear magnetic resonance apparatus (manufactured by BRUKER, AVANCE 400), the peak of tetramethylsilane was measured as 0 ppm.
- (A) component and (B) component which were used for this experiment are as follows.
- “Leo Pearl LK2” (Iii) 12-hydroxystearic acid: manufactured by Tokyo Chemical Industry Co., Ltd.
- reagent iv) cyclopentasiloxane: manufactured by Toray Dow Corning Co., Ltd., “SH245”
- the gelling agent of the oil-based base of Example 1 of the present invention can form a gel having sufficient strength with the addition of 1% by mass, and a gel-like composition containing the gel In the object, the sweating phenomenon was suppressed.
- 1% by mass of an existing oily base gelling agent Comparative Examples 1 to 3
- gel formation was not observed. That is, the oily base gelling agent of the present invention containing the peptide compound of Synthesis Example 1 gels the oily base with a small amount of addition as compared to other existing oily base gelling agents. It was confirmed that it was possible to suppress the “sweat phenomenon”.
- an oily base gelling agent that can gel the oily base with a small amount of addition and suppress the “sweat phenomenon” can be provided.
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Abstract
Description
[1]式(1):
で表されるペプチド化合物を含有する油性基剤のゲル化剤。
[2]R1が炭素原子数3~21のアルキル基であり、R2a、R2bおよびR2cがそれぞれ炭素原子数1~10のアルキル基である、上記[1]に記載の油性基剤のゲル化剤。
[3]R1が1-エチルペンチル基もしくはウンデシル基であり、R2a、R2bおよびR2cがいずれもブチル基である、上記[1]または[2]に記載の油性基剤のゲル化剤。
[4](A)上記[1]~[3]のいずれかに記載の油性基剤のゲル化剤、および(B)油性基剤を含有するゲル状組成物。
[5](B)油性基剤が、シリコーン油、エステル油、炭化水素、高級アルコール及び脂肪酸からなる群より選択される1種または2種以上である、上記[4]に記載のゲル状組成物。
[6]ゲル状組成物全量に対し、(A)の配合量が、式(1)で表されるペプチド化合物の量にして0.01~20質量%である、上記[4]または[5]に記載のゲル状組成物。
[7]形状が棒状である、上記[4]~[6]のいずれかに記載のゲル状組成物。
[8]制汗剤、リップスティックまたは口紅である、上記[4]~[7]のいずれかに記載のゲル状組成物。
ここで、本明細書において「ゲル化剤」とは、液体を増粘し、ゼリー状もしくは固形状にまで変化させる物質または組成物をいう。本発明においては特に、油性の液体(油性基剤)に対するゲル化剤として有用である。
本発明の油性基剤のゲル化剤に含有されるペプチド化合物は、式(1)で表される化合物である。
式(1):
かかるアルキル基としては、プロピル基、イソプロピル基、ブチル基、イソブチル基、sec-ブチル基、tert-ブチル基、ペンチル基、sec-ペンチル基、tert-ペンチル基、イソペンチル基、ヘキシル基、ヘプチル基、1-エチルペンチル基、オクチル基、2-エチルヘキシル基、tert-オクチル基、ノニル基、イソノニル基、デシル基、イソデシル基、ウンデシル基、ドデシル基、トリデシル基、イソトリデシル基、テトラデシル基、ペンタデシル基、ヘキサデシル基、オクタデシル基、イソオクタデシル基、2-ヘプチルウンデシル基、イコシル基、ヘンイコシル基等が挙げられる。少量で有効なゲル強度を付与できるという観点から、炭素原子数5~17のアルキル基であることがより好ましく、炭素原子数7~13のアルキル基であることがさらに好ましく、1-エチルペンチル基またはウンデシル基であることが最も好ましい。
かかるアルキル基としては、メチル基、エチル基、イソプロピル基、プロピル基、ブチル基、イソブチル基、sec-ブチル基、tert-ブチル基、ペンチル基、sec-ペンチル基、tert-ペンチル基、イソペンチル基、ヘキシル基、ヘプチル基、オクチル基、2-エチルヘキシル基、tert-オクチル基、ノニル基、イソノニル基、デシル基、イソデシル基等が挙げられる。少量で有効なゲル強度を付与できるという観点から、炭素原子数3~6のアルキル基であることがより好ましく、R2a、R2b、R2cで示されるアルキル基がすべてブチル基であることがさらに好ましい。
本発明においては、上記式(1)で表されるペプチド化合物をそのまま用い、またはセチルアルコール、ステアリルアルコール、ステアリン酸、硬化油、固形パラフィン等の賦形剤等の添加剤を加えて、粉末状の油性基剤のゲル化剤として提供することができ、また、前記ペプチド化合物を、エタノール、イソプロパノール、ジプロピレングリコール等の溶剤に溶解または懸濁して、液状または懸濁液状の油性基剤のゲル化剤として提供することもできる。なお、本発明の目的には、粉末状の形態で提供することが好ましい。
本発明の油性基剤のゲル化剤全量に対する式(1)で表されるペプチド化合物の含有量は、0.1質量%~100質量%であることが好ましく、1.0質量%~100質量%であることがより好ましい。
本発明の油性基剤のゲル化剤によりゲル化される油性基剤としては、シリコーン油、エステル油、炭化水素、高級アルコール及び脂肪酸が好ましく、シリコーン油、エステル油、炭化水素及び高級アルコールがより好ましい。
本発明はさらに、(A)上記した式(1)で表されるペプチド化合物を含有する油性基剤のゲル化剤、および(B)油性基剤を含有するゲル状組成物を提供する。
本発明の目的には、シリコーン油、エステル油、炭化水素、高級アルコール及び脂肪酸からなる群より選択した1種または2種以上を用いることが好ましく、シリコーン油、エステル油、炭化水素及び高級アルコールからなる群より選択した1種または2種以上を用いることがより好ましい。
本発明において、ゲル状組成物とは、狭義には(A)の油性基剤のゲル化剤と、(B)の油性基剤のみからなる組成物を意味し、また、広義には、更に上記の各種添加成分をも含む最終製品としての化粧料、芳香剤、医薬部外品等をも意味するものである。
本発明のゲル状組成物には、上記界面活性剤より1種を選択して単独で配合してもよく、2種以上を併用して配合してもよい。
本発明においては、必要に応じて、上記した添加剤より1種または2種以上を選択して用いることができる。
本発明においては、必要に応じて、上記した粉体より1種または2種以上を選択して用いることができる。
また、粒状のゲル状組成物は、固化したゲルの粉砕、水相中に乳化した油滴のゲル化等により調製することができる。
本発明の化粧料または医薬部外品は、形状および大きさを問わず、具体的には、制汗剤、洗顔料、クレンジングジェル、乳液、マッサージクリーム、コールドクリーム、モイスチャージェル、パック、アフターシェイビングジェル、ファンデーション、リップスティック、口紅、チーク、マスカラ、シャンプー、リンス、育毛剤、トリートメント、ヘアコンディショナー、チック、セットローション、ヘアクリーム、ヘアワックス、ヘアムース、パーマ液、染毛剤、ヘアカラー、ヘアマニキュア、日焼け止めオイル、ハンドソープ、芳香剤及び湿布薬等として提供され、好ましくは、制汗剤、リップスティックまたは口紅等の棒状の形状を有する化粧料または医薬部外品として提供される。
式(2)で表されるペプチド化合物を以下の通り合成した。
式(2):
N-ラウロイル-L-グルタミン酸無水物31.1g(0.1mol)をトルエン400mLに加え、95℃で攪拌溶解した。これにグルタミン酸ナトリウム一水和物18.7g(0.1mol)を加え、5時間加熱還流攪拌を続けた後、室温まで放冷した。濃硫酸にてpHを1にし、析出した固体をろ過、乾燥し、30.6gの固体を得た(収率67%)。続いて、得られた固体30.6g(0.067mol)をメタノール300mLに懸濁させ、濃硫酸0.66g(0.0067mol)を加え、5時間加熱還流撹拌を行った。その後メタノールを減圧下留去し、ブチルアミンを49g(0.67mol)加え、再びこの溶液を5時間加熱還流した。過剰なブチルアミンを減圧下留去し、残渣を水で洗浄後、クロマトグラフィーにて精製し、目的物を41.8g(収率50%)得た。
NMR:1H-NMRピーク(CD3OD) δ:0.90-0.97(m,12H)、1.31-1.40(m,22H)、1.45-1.55(m,6H)、1.55-1.70(m,2H)、1.80-2.22(m,4H)、2.24-2.38(m,6H)、3.16-3.22(m,6H)、4.18-4.38(m,2H)
[ゲル化能]
シクロペンタシロキサン/オクチルドデカノール(80/20(質量比)混合物)[(B)成分]6gに、表1に示す実施例1及び比較例1~3の各油性基剤のゲル化剤をそれぞれ1質量%となるように添加し、30mLサンプル管瓶に入れ加熱溶解した。溶解後、25℃の室温下に24時間静置し、ゲル状組成物を得た。得られたゲル状組成物のゲル強度をレオメータ(FUDOH RHEO METER NRM-2010-J-CW)にて測定し、以下の評価基準でゲル化能を評価した。アダプターはプルーム用・粘弾性用、10φを用い、試料台速度は6cm/minとした。結果を表1に示す。
<評価基準>
○:ゲル強度が30g以上
△:ゲル強度が1g以上30g未満
×:ゲル化しない
上記と同様の手順にてゲル状組成物を得、得られたゲル状組成物における「発汗現象」、すなわちゲル状組成物の表面から油性基剤がにじみ出る現象の発生の有無を目視にて観察し、以下の評価基準で発汗現象の抑制作用を評価した。結果を表1に示す。
<評価基準>
○:発汗現象が見られない
×:発汗現象が見られる
(i)ジラウロイルグルタミン酸リシンナトリウム:旭化成ケミカルズ株式会社製、「ペリセア L-30」
(ii)パルミチン酸デキストリン:千葉製粉株式会社製、「レオパール LK2」
(iii)12-ヒドロキシステアリン酸:東京化成工業株式会社製、試薬
(iv)シクロペンタシロキサン:東レ・ダウコーニング株式会社製、「SH245」
(v)オクチルドデカノール:高級アルコール工業株式会社製、「リソノール20SP」
一方、既存の油性基剤のゲル化剤(比較例1~3)を1質量%添加した場合には、ゲルの形成が認められなかった。
すなわち、合成例1のペプチド化合物を含有する本発明の油性基剤のゲル化剤は、他の既存の油性基剤のゲル化剤と比較して、少量の添加で油性基剤をゲル化させることができ、かつ「発汗現象」を抑制することが確かめられた。
また、本発明により、「発汗現象」の抑制された良好なゲル状組成物を提供することができる。
Claims (8)
- R1が炭素原子数3~21のアルキル基であり、R2a、R2bおよびR2cがそれぞれ炭素原子数1~10のアルキル基である、請求項1に記載の油性基剤のゲル化剤。
- R1が1-エチルペンチル基もしくはウンデシル基であり、R2a、R2bおよびR2cがいずれもブチル基である、請求項1または2に記載の油性基剤のゲル化剤。
- (A)請求項1~3のいずれか1項に記載の油性基剤のゲル化剤、および(B)油性基剤を含有するゲル状組成物。
- (B)油性基剤が、シリコーン油、エステル油、炭化水素、高級アルコール及び脂肪酸からなる群より選択される1種または2種以上である、請求項4に記載のゲル状組成物。
- ゲル状組成物全量に対し、(A)の配合量が、式(1)で表されるペプチド化合物の量にして0.01~20質量%である、請求項4または5に記載のゲル状組成物。
- 形状が棒状である、請求項4~6のいずれか1項に記載のゲル状組成物。
- 制汗剤、リップスティックまたは口紅である、請求項4~7のいずれか1項に記載のゲル状組成物。
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EP3238700A4 (en) * | 2014-12-25 | 2018-06-13 | Ajinomoto Co., Inc. | Cosmetic composition containing acyl basic amino acid derivative and inorganic powder |
US10351513B2 (en) | 2014-11-20 | 2019-07-16 | Daicel Corporation | Thickening and stabilizing agent, and thickening and stabilizing composition using same |
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US9597275B2 (en) | 2017-03-21 |
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