WO2012098877A1 - ベシクル組成物の製造方法 - Google Patents
ベシクル組成物の製造方法 Download PDFInfo
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- WO2012098877A1 WO2012098877A1 PCT/JP2012/000283 JP2012000283W WO2012098877A1 WO 2012098877 A1 WO2012098877 A1 WO 2012098877A1 JP 2012000283 W JP2012000283 W JP 2012000283W WO 2012098877 A1 WO2012098877 A1 WO 2012098877A1
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- Prior art keywords
- component
- acid
- vesicle composition
- vesicle
- carbon atoms
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- 0 C*N(*C)*(C)C Chemical compound C*N(*C)*(C)C 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
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation 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
- A61K8/18—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
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
-
- 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
- A61K8/14—Liposomes; Vesicles
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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
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
-
- 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
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/41—Amines
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/02—Preparations for cleaning the hair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/12—Preparations containing hair conditioners
Definitions
- the present invention relates to a method for producing a vesicle composition.
- Patent Document 1 discloses a hair cosmetic that can repair or inhibit chemical treatment, dryer drying, hair damage / fatigue destruction caused by daily hair care behavior, and can impart good flexibility and a supple feel from the time of wet to the time of drying. Is disclosed.
- Patent Document 1 as a specific embodiment that can solve such a problem, a specific branched fatty acid or a salt thereof, a specific tertiary amine or a salt thereof, and a specific aromatic alcohol as necessary. Containing hair cosmetics are disclosed.
- Patent Document 2 discloses a hair cosmetic that is biodegradable, is environmentally friendly, and can stably contain long-chain alcohols, oils, and the like. It is described that such hair cosmetics are excellent in flexibility and smoothness when wet. Patent Document 2 discloses a hair cosmetic containing a specific tertiary amine, a linear or branched fatty acid, an inorganic acid or an organic acid as a specific embodiment that can solve such a problem. Has been.
- a phase inversion emulsification method and a liquid crystal emulsification method are known as one of methods for producing an emulsified composition.
- the phase inversion emulsification method is a method of emulsifying while adding an aqueous phase to an oil phase.
- the liquid crystal emulsification method is a method of emulsifying while adding an aqueous phase to the liquid crystal phase.
- emulsification is performed while adding an aqueous phase to the oil phase, and a fine emulsion having an average particle size of 1 ⁇ m or less is formed by utilizing the fact that the oil-water interface tension is remarkably reduced near the phase inversion point.
- Patent Document 4 discloses a method for producing an oil-in-water emulsion containing a quaternary ammonium salt, which has good fragrance long-lasting and diffusibility and good stability over time.
- Patent Documents 1 and 2 describe hair cosmetics in which specific tertiary amines and linear or branched fatty acids are combined, but nothing is mentioned about forming a vesicle structure.
- the techniques described in Patent Documents 1 and 2 are insufficient from the viewpoints of suppression of stickiness during rinsing and suppression of stickiness after drying.
- a multi-layer vesicle is formed by mixing cholesterol as an essential component. That is, a vesicle structure is formed by the presence of specific lipids such as sterols.
- the technique described in Patent Document 3 is insufficient from the viewpoint of smoothness at the time of rinsing, suppression of sliminess, smoothness after drying, and suppression of stickiness even when using the usual treatment agent ingredients. .
- Non-Patent Document 1 and Patent Document 4 phase inversion emulsification is performed for stabilizing the emulsion, but no mention is made of forming a vesicle structure.
- emulsions have problems in terms of slickness during rinsing and stickiness after drying, and there is room for improvement in the techniques described in Non-Patent Document 1 and Patent Document 4.
- the present inventors have obtained a vesicle having a relatively large average particle size in water by combining a linear fatty acid in addition to a specific tertiary amine and a specific branched fatty acid and further using a specific organic acid. Found that it can be configured.
- vesicle compositions are specifically formed from components (A), (B), (C), (D) and water, with specific tertiary amines and specific branched fatty acids and linear fatty acids. , And certain organic acids, and can exhibit a sufficient volume fraction of vesicles.
- a method for producing a vesicle composition in which the continuous phase is an aqueous phase the method comprising mixing a dissolved oil phase while adding the dissolved oil phase to the aqueous phase.
- a method for producing a hair cosmetic comprising the step of mixing the vesicle composition with a base mixture comprising at least one cationic surfactant and an aliphatic alcohol.
- a vesicle composition in which the continuous phase formed from the components (A), (B), (C), (D) and water is an aqueous phase, and the component (A)
- a vesicle composition as described above is mixed with a base mixture which is in the form of a treatment, conditioner or rinse and comprises one or more cationic surfactants and an aliphatic alcohol.
- a base mixture which is in the form of a treatment, conditioner or rinse and comprises one or more cationic surfactants and an aliphatic alcohol.
- the present invention it is possible to suppress the stickiness while imparting smoothness to the hair at the time of rinsing, and to suppress the stickiness while imparting the smoothness to the hair after drying.
- the vesicle composition of the present invention can be obtained through the following steps. That is, the vesicle composition of the present invention is (I) a step of dissolving an oil phase containing component (A), component (B), component (C), and component (D) at a temperature equal to or higher than the melting point of the oil phase; (II) a step of mixing while adding an aqueous phase to the obtained oil phase; Can be suitably manufactured. According to such a procedure, a vesicle composition in which the continuous phase is an aqueous phase is obtained.
- the vesicle composition is preferably in the form of a vesicle dispersion (premix).
- the component (A) used in the present invention is a linear fatty acid having 14 to 24 carbon atoms.
- the component (A) may be a saturated fatty acid or an unsaturated fatty acid, and a saturated fatty acid is more preferable.
- the component (A) has 14 or more carbon atoms, more preferably 16 or more, and 24 or less, more preferably 22 or less, and still more preferably 20 It is as follows. Among these, stearic acid having 18 carbon atoms is preferable from the viewpoint of excellent smoothness during rinsing.
- the content of the component (A) in the vesicle composition is preferably 0.5% by mass or more, more preferably 1% by mass or more, and preferably 5% by mass or less, more preferably 3% by mass or less. is there.
- the component (B) used in the present invention is a branched fatty acid having 14 to 24 carbon atoms, and is a branched fatty acid represented by the general formula (1).
- Such branched fatty acids include 14-methylpentadecanoic acid, 15-methylhexadecanoic acid, 16-methylheptadecanoic acid, 17-methyloctadecanoic acid, 18-methylnonadecanoic acid, 19-methyleicosanoic acid, 20-methylheneico.
- Examples include sanic acid, 14-methylhexadecanoic acid, 15-methylheptadecanoic acid, 16-methyloctadecanoic acid, 17-methylnonadecanoic acid, 18-methyleicosanoic acid, and 19-methylheneicosanoic acid.
- a + b + c is preferably 13 or more, preferably 19 or less, more preferably 17 or less, from the viewpoint of excellent smoothness during rinsing.
- the carbon number of the component (B) is preferably 16 or more, preferably 22 or less, more preferably 20 or less.
- the component (B) is preferably isostearic acid having one methyl branch in which a + b + c is 15 in the above formula (1).
- the content of the component (B) in the vesicle composition is preferably 0.2% by mass or more, more preferably 0.5% by mass or more, and preferably 4% by mass or less, more preferably 2% by mass. It is as follows.
- the mass ratio of component (A) to component (B) is 70/30 to 40/60, but the particle size of the vesicle is as large as 5 ⁇ m or more, and smoothness during rinsing 60/40 to 50/50 are preferable from the viewpoints of suppression of stickiness, smoothness after drying, and suppression of stickiness.
- the components (A) and (B) are combined in such a composition that the freezing point when the component (A) and the component (B) are mixed is 40 ° C. or higher. Therefore, it is preferable to combine them with a composition that is 55 ° C. or less from the viewpoint of being non-glossy, smooth after drying, and suppressing stickiness. More preferably, the component (A) and the component (B) can be combined in such a composition that the freezing point is 45 ° C. or higher and 52 ° C. or lower. In addition, a freezing point can be measured by the method shown in the Example mentioned later.
- Component (A) and Component (B) have a large particle size of vesicles of 5 ⁇ m or more, are smooth when rinsed, do not stick, are smooth after drying, and are combined with the same carbon number from the viewpoint of suppressing stickiness. Is preferred. Specifically, a combination of linear stearic acid and 16-methylheptadecanoic acid, or a combination of linear stearic acid and isostearic acid (particularly isostearic acid EX) is preferable.
- the component (C) used in the present invention includes a tertiary amine compound represented by the general formula (2).
- R 11 is a linear or branched alkyl group which may be separated by a functional group represented by —OCO— or —COO— having 8 to 35 carbon atoms or substituted with —OH. , An alkenyl group, or an aliphatic acyloxy (polyethoxy) ethyl group.
- R 12 represents an alkyl group or hydroxyalkyl group having 1 to 22 carbon atoms, or a polyoxyethylene group having a total number of added moles of 10 or less, and two R 12 may be the same or different. Good.
- the tertiary amine compound of component (C) preferably contains one or more of the following tertiary amine compounds (i) to (iii).
- R 17 represents a linear or branched alkyl group or alkenyl group having 6 to 24 carbon atoms.
- R 18 and R 19 are the same or different and each represents an alkyl group having 1 to 6 carbon atoms or — (AO) f H (A is an alkylene group having 2 to 4 carbon atoms, f is 1 to 6 is an integer, and f A's may be the same or different, and the arrangement thereof is arbitrary.
- e represents an integer of 1 to 5.
- Specific examples include hexadecyloxy (2-hydroxypropyl) dimethylamine and octadecyloxy (2-hydroxypropyl) dimethylamine.
- R 20 represents a linear or branched alkyl group or alkenyl group having 6 to 24 carbon atoms.
- R 21 and R 22 are the same or different and are each an alkyl group having 1 to 6 carbon atoms or — (AO) g H (A is an alkylene group having 2 to 4 carbon atoms; An integer of 1 to 6, and g A's may be the same or different, and their sequences are arbitrary.
- N N-dimethyl-3-hexadecyloxypropylamine and N, N-dimethyl-3-octadecyloxypropylamine.
- Alkylamidoamines examples include compounds represented by the following general formula (5).
- R 23 represents an aliphatic hydrocarbon group having 11 to 23 carbon atoms.
- R 24 is the same or different and represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
- n represents an integer of 2 to 4.
- ether amine As the preferred tertiary amine compound (C) selected from the above (i) to (iii), (ii) ether amine or (iii) alkylamidoamine is preferable from the viewpoint of smoothness at the time of coating and rinsing.
- (ii) ether amine is preferable, N, N-dimethyl-3-hexadecyloxypropylamine and N, N-dimethyl-3-octadecyloxypropylamine are more preferable, and N, N-dimethyl-3-octadecyl is more preferable. More preferred is oxypropylamine.
- the tertiary amine of component (C) may be used alone or in combination of two or more.
- the content of the component (C) in the vesicle composition is preferably 0.5 to 15% by mass, more preferably 1 to 10% by mass from the viewpoint of smoothness during rinsing and imparting smoothness after drying. More preferably, it is ⁇ 6% by mass.
- the component (D) used in the present invention is an organic acid having 1 to 8 carbon atoms, more preferably an organic acid having 2 to 6 carbon atoms.
- monocarboxylic acids such as acetic acid, propionic acid and caprylic acid
- dicarboxylic acids such as malonic acid, succinic acid, glutaric acid, adipic acid, maleic acid and fumaric acid
- glycolic acid, lactic acid, hydroxyacrylic acid and glycerin Hydroxycarboxylic acids such as acid, malic acid, tartaric acid and citric acid
- aromatic carboxylic acids such as benzoic acid, salicylic acid and phthalic acid
- acidic amino acids such as glutamic acid and aspartic acid.
- hydroxycarboxylic acids and acidic amino acids are preferred.
- glycolic acid, citric acid, lactic acid, and malic acid are particularly preferable, and glycolic acid and lactic acid are particularly preferable.
- acidic amino acid glutamic acid is particularly preferable.
- the content of the component (D) in the vesicle composition is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, and preferably 4% by mass or less, more preferably 2% by mass. It is as follows.
- water is used.
- purified water is preferably used.
- the water content of the vesicle composition is not particularly limited and can be appropriately adjusted according to the purpose of use.
- component (A), the component (B), the component (C), and the component (D) the above-mentioned compounds can be appropriately combined.
- the combination is not particularly limited.
- component (A) is linear stearic acid
- component (B) is Isostearic acid (particularly, isostearic acid EX)
- component (C) is preferably (ii) ether amine or (iii) alkylamidoamine
- component (D) is preferably a combination of glycolic acid or lactic acid.
- Vesicles are formed by component (A), component (B), component (C), component (D) and water, and in particular, multilayer lamellar vesicles (so-called onion vesicles) composed of several double membranes are dispersed in water.
- the resulting vesicle composition is likely to be formed.
- the vesicle usually refers to a vesicle having an inner layer that is hollow or an aqueous phase, and the multilayer lamella vesicle formed here includes those having a structure in which part or all of the inner layer is an oil phase.
- the “vesicle” includes a multilayer lamella vesicle.
- the molar ratio of fatty acid (component (A) + component (B)) to organic acid (component (D)) ((A) + (B)) / (D) is preferably 5/5 or more, more preferably 7/3 or more, and preferably 9/1 or less, more preferably 8/2 or less.
- the acid equivalent of (A) + (B) + (D) and ( The ratio of (C) to the base equivalent ((A) + (B) + (D)) / (C) is preferably 0.25 or more, more preferably 0.5 or more, still more preferably 0.6 or more. Yes, and preferably 4 or less, more preferably 2 or less, and still more preferably 1.8 or less.
- the total of component (A), component (B), component (C) and component (D) in the vesicle composition is preferably 1 to 20% by mass, More preferably, it is 1 to 15% by mass.
- the oil phase needs to be dissolved from the viewpoint of stable production. For this reason, it is preferable to melt
- the oil phase is preferably in a uniformly mixed state. Therefore, in this step, it is preferable to dissolve the oil phase while mixing.
- the mixing method is not particularly limited, but for example, it is preferable to mix by stirring.
- the temperature at the time of dropping the aqueous phase can be appropriately determined by the oil phase temperature, the temperature of the dropped water phase, and heating or cooling with a mixing device.
- purified water such as ion-exchanged water or distilled water is used for the “aqueous phase”.
- the oil phase temperature and the temperature of the dropped water phase be equal to or higher than the phase transition temperature of the vesicle to be formed.
- the volume concentration of vesicles in the vesicle dispersion is adjusted by the dropping speed of the aqueous phase to the oil phase and the stirring speed when dropping the aqueous phase, and the particle size of the vesicle is adjusted by the stirring speed (shearing speed) after the start of dropping of the aqueous phase.
- the stirring speed shearing speed
- the viscosity of the vesicle dispersion decreases and the vesicle volume concentration also decreases.
- the amount of the aqueous phase to be dropped can be appropriately adjusted in consideration of the storage stability and handling properties of the vesicle dispersion.
- the mixing apparatus is not particularly limited as long as shear mixing can be performed.
- an apparatus capable of mixing a high-viscosity product for example, ADI homomixer manufactured by Primemix Co., Ltd. K.
- ADI homomixer manufactured by Primemix Co., Ltd. K.
- a combination mix, a vacuum emulsification stirrer manufactured by Mizuho Industry Co., Ltd., a Max blend stirrer manufactured by Sumitomo Heavy Industries, Ltd., a supermix stirrer manufactured by Satake Chemical Machinery Co., Ltd., and the like are preferable.
- the optimum value of the dropping speed of the aqueous phase to the oil phase and the stirring speed at the time of dropping varies depending on the formulation of the vesicle composition, the component ratio, the size and shape of the blending tank, but the viscosity rises most during the dropping of the aqueous phase.
- the conditions under which uniform mixing is possible are preferred.
- the dropping speed of the aqueous phase to the oil phase is preferably dropped over 10 minutes or more for the purpose of increasing the volume concentration of the vesicle in the vesicle dispersion.
- the dropping speed is not particularly limited, for example, when the total amount of the water phase to be dropped is 600 g, it is preferably dropped at 5 to 20 g / min.
- the stirring speed is not particularly limited, but for example, stirring is preferably performed at 50 to 100 rpm.
- the vesicle composition of the present invention may further contain (E) a polyhydric alcohol.
- a polyhydric alcohol examples include propylene glycol, dipropylene glycol, 1,3-propanediol, glycerin, 1,3-butylene glycol, isopentyldiol, sorbitol and the like.
- propylene glycol and dipropylene glycol are preferable.
- the oil phase containing the component (A), the component (B), the component (C), and the component (D) is not less than the melting point of the oil phase. After dissolving at temperature, component (E) can be added to the oil phase.
- the oil phase containing the component (A), the component (B), the component (C), the component (D), and the component (E) is solidified at a temperature equal to or higher than the melting point of the oil phase. You may obtain the oil phase dissolved until the thing disappeared.
- the vesicle dispersion having a high vesicle volume concentration and high storage stability can be obtained by passing through the step (II) of adding and mixing the aqueous phase to the obtained oil phase.
- dissolves in water as (E) component for example, glycerol, dipropylene glycol, etc., you may make it contain in an aqueous phase.
- component (A), the component (B), the component (C), and the component (D) that is, the component (A) is linear stearic acid, and the component (B) is isostearic acid (particularly Isostearic acid EX), component (C) is (ii) ether amine or (iii) alkylamidoamine, component (D) is a combination of glycolic acid or lactic acid, and component (E) is added. More preferably, the component (E) is combined with propylene glycol or dipropylene glycol.
- the content of the component (E) in the vesicle composition is preferably 0.5 to 60% by mass, more preferably 1 to 50% by mass, and still more preferably 2 from the viewpoint of storage stability of the vesicle composition. ⁇ 20% by weight.
- arbitrary components can be put in the oil phase as long as the production of the vesicle of the present invention is not hindered.
- the optional component include various extracts and antioxidants, but are not limited thereto.
- the optional component that can be added to the oil phase is 1% by mass or less of the total oil phase from the viewpoint of producing a stable vesicle composition.
- arbitrary components can be added to the aqueous phase as long as the production of the vesicle of the present invention is not hindered.
- optional components include various extracts and preservatives, but are not limited thereto.
- the optional component that can be added to the aqueous phase is 0.1% by mass or less of the entire aqueous phase from the viewpoint of producing a stable vesicle composition.
- step (II) it is possible to include a step of quickly cooling to a temperature lower than the phase transition temperature of the vesicle after the completion of the aqueous phase dropping in the step (II).
- the vesicles in the vesicle composition produced in this manner are preferably in the form of particles, and can take various shapes such as spherical, elliptical, cylindrical, disk-shaped, and irregular shapes.
- the average particle size of the vesicle is 5 ⁇ m or more, preferably 7 ⁇ m or more, more preferably 10 ⁇ m or more, and 500 ⁇ m or less, preferably 300 ⁇ m, from the viewpoint of further improving the feeling of familiarity when applying hair.
- it is more preferably 200 ⁇ m or less, and still more preferably 50 ⁇ m or less.
- the vesicle obtained by such a method is considered to be capable of suitably changing the properties on the hair surface by easily changing the structure from the vesicle to a film when applied to the hair.
- the conventional vesicle structure is constituted by intervening specific lipids such as sterols and phospholipids as described in, for example, JP-T-2002-516831.
- the present invention can form a vesicle composition without containing sterols or phospholipids. That is, a vesicle structure can be constituted in components conventionally used in hair cosmetics such as rinses and conditioners.
- the hair cosmetic composition of the present invention contains the aforementioned vesicle composition.
- a content of the vesicle composition in the hair cosmetic composition the viewpoint of providing a hair cosmetic composition that imparts flexibility, smoothness, moist feeling, etc., and is particularly smooth and non-sticky during rinsing and smooth and non-sticky after drying. Therefore, the total amount of component (A) linear fatty acid and component (B) branched fatty acid constituting the vesicle is preferably 0.01 to 5% by mass, more preferably 0.05 to 2% by mass in the hair cosmetic composition. Amount.
- Such hair cosmetics maintain the flexibility, smoothness, moist feeling, and suppleness achieved by conventional hair cosmetics even if the content of the active ingredient is reduced as compared with conventional hair cosmetics. It can be improved, smooth when rinsed, not sticky, smooth after drying, and can prevent stickiness.
- the hair cosmetic composition containing the vesicle composition can be obtained by separately adding and mixing the vesicle composition of the present invention to a hair cosmetic composition prepared by an ordinary method.
- a hair cosmetic prepared by a normal method is, for example, a base mixture containing one or more cationic surfactants and an aliphatic alcohol, and in addition to this, a general hair cosmetic containing silicone, an oily component, etc. Are also included. This can be adjusted in any way.
- Examples of the cationic surfactant used as the base mixture include quaternary ammonium and tertiary amine compounds, and tertiary amine compounds are particularly preferable.
- the tertiary amine compound is selected from the compounds listed in Component (C). In particular, it is preferable to use the same component as the tertiary amine compound used in the vesicle composition.
- Example 1A A vesicle composition (premix) was obtained by the following procedure. Stearic acid (Lunac S-90V: manufactured by Kao Corporation) 4.2 g, isostearic acid (isostearic acid EX: manufactured by Higher Alcohol Industry Co., Ltd.) 2.8 g, lactic acid (Musashino Lactic Acid 90: manufactured by Musashino Chemical Laboratory) 0 .60 g and 12.0 g of Farmin DM E-80 (N, N-dimethyl-3-octadecyloxypropylamine: manufactured by Kao Corporation) were placed in a 300 ml beaker and heated to 80 ° C. with stirring with a propeller. It completely dissolved.
- Stearic acid Linac S-90V: manufactured by Kao Corporation
- isostearic acid isostearic acid EX: manufactured by Higher Alcohol Industry Co., Ltd.
- lactic acid Malashino Lactic Acid 90: manufactured by Musashino Chemical Laboratory
- Example 2A to 11A Comparative Examples 1B to 2B Similarly to Example 1A, a vesicle composition was obtained according to the formulation shown in Table 1. However, the following were used for the component (A), the component (B), and the component (E). Palmitic acid: Lunac P-95: manufactured by Kao Corporation Myristic acid: Lunac MY-98: manufactured by Kao Corporation 16-methyloctadecanoic acid: synthesized by the production method of Example 1 described in JP-A-2008-255050. Dipropylene glycol: DPG-RF: manufactured by ADEKA Corporation
- a mixture of heated and dissolved component (A) and component (B) is precisely weighed in a measurement cell and a sealed sample is prepared, and a differential scanning calorimeter (EXSTAR6000: Seiko) The freezing point was measured using an instrument.
- the measurement condition was that the temperature was raised from 5 ° C. to 90 ° C. at a heating rate of 1 ° C./min, and then cooled to 5 ° C. at a cooling rate of 1 ° C./min.
- the freezing point was determined from the position where the exothermic peak occurred during cooling.
- the hair was evaluated for “smoothness when rinsing”, “non-smoothness when rinsing”, “smoothness after drying”, and “non-stickiness after drying”. Evaluation was performed by 6 people in a four-step evaluation, and the total value of the evaluation was shown.
Abstract
Description
また、例えば特許文献4には、香気のロングラスティング及び拡散性が良く、経時での安定性が良好となる、4級アンモニウム塩を含有する水中油型エマルションの製造方法が開示されている。
このようなベシクル組成物は、具体的には、成分(A)、(B)、(C)、(D)及び水から形成され、特定の第3級アミンおよび特定の分岐脂肪酸ならびに直鎖脂肪酸、および特定の有機酸から製造でき、十分なベシクルの体積割合を示すことができる。
成分(A)炭素数14~24の直鎖脂肪酸;
成分(B)炭素数14~24であり、一般式(1)で表される分岐脂肪酸;
成分(C)第3級アミン化合物;
成分(D)炭素数1~8の有機酸;
を含有し、成分(A)と成分(B)との質量割合が(A)/(B)=70/30~40/60である油相を当該油相の融点以上の温度で溶解させる工程と、
溶解した油相を水相に加えながら混合する工程と
を含む、連続相が水相であるベシクル組成物の製造方法が提供される。
溶解した油相を水相に加えながら混合し、連続相が水相であるベシクル組成物を製造する工程と、
少なくとも1種のカチオン界面活性剤と脂肪族アルコールを含むベース混合物に、前記ベシクル組成物を混合する工程と
を含む、毛髪化粧料の製造方法が提供される。
すなわち、本発明のベシクル組成物は、
(I)成分(A)、成分(B)、成分(C)、成分(D)を含有する油相を、当該油相の融点以上の温度で溶解する工程と、
(II)得られた油相に水相を加えながら混合する工程と、
によって好適に製造できる。このような手順に従えば、連続相が水相であるベシクル組成物が得られる。このベシクル組成物は、ベシクルの分散液(プレミックス)の形態をとることが望ましい。
ベシクル組成物中の成分(B)の含有量は、0.2質量%以上が好ましく、より好ましくは0.5質量%以上であり、かつ、4質量%以下が好ましく、より好ましくは2質量%以下である。
例えば下記一般式(3)で表される化合物が挙げられる。
例えば下記一般式(4)で表される化合物が挙げられる。
例えば下記一般式(5)で表される化合物が挙げられる。
また、油相は均一に混合された状態であることが好ましい。そこで、本工程は油相を混合しながら溶解させることが好ましい。混合方法は特に限定しないが、例えば攪拌により混合することが好ましい。
攪拌速度については特に限定するものではないが、例えば50~100rpmで攪拌するのが好ましい。
従来のベシクル構造は、例えば特表2002-516831号公報に記載されているように、ステロール類、リン脂質などの特定の脂質が介在することにより構成されている。これに対して、本発明は、ステロール類やリン脂質を含有していなくてもベシクル組成物を形成できる。すなわち、従来からリンス、コンディショナーなどの毛髪化粧料に使用される成分中でベシクル構造を構成することができる。
毛髪化粧料中のベシクル組成物の含有量としては、柔軟性、平滑性、しっとり感等を付与し、特にすすぎ時に滑らか、ぬるつかず、乾燥後に滑らか、べたつきのない毛髪化粧料を提供する観点から、ベシクルを構成する成分(A)直鎖脂肪酸および成分(B)分岐脂肪酸の総量が、毛髪化粧料中に0.01~5質量%が好ましく、より好ましくは0.05~2質量%となる量が挙げられる。このような毛髪化粧料は、従来の毛髪化粧料よりも有効成分の含有量を低減させても、従来の毛髪化粧料により実現されていた柔軟性、平滑性、しっとり感、しなやかさを維持または向上させ、かつ、すすぎ時に滑らかで、ぬるつかず、乾燥後に滑らかで、べたつきを抑えることができる。
以下の手順にて、ベシクル組成物(プレミックス)を得た。
ステアリン酸(ルナックS-90V:花王株式会社製)4.2g、イソステアリン酸(イソステアリン酸EX:高級アルコール工業株式会社製)2.8g、乳酸(ムサシノ乳酸90:株式会社武蔵野化学研究所製)0.60g、及びファーミンDM E-80(N,N-ジメチル-3-オクタデシルオキシプロピルアミン:花王株式会社製)12.0gを、300mlビーカーにいれ、80℃までプロペラで攪拌下加熱し、原料を完全溶解した。この油相中に、水相として80℃に加熱したイオン交換水180.4gを10分かけて定速滴下し、80℃にて乳化した。その後35℃以下まで放冷を行った。このようにして得られたベシクル組成物をプレミックスとした。このように油相を攪拌しながら水相を滴下する乳化形式を一般に転相乳化という。表1には、プレミックスの製造条件およびプレミックス10.00gに換算した各成分の量(g)を示した。表1中、%は質量%を意味する。
実施例1Aと同様に、表1に示した処方にてベシクル組成物を得た。ただし、成分(A)、成分(B)、成分(E)に関しては、以下のものを用いた。
パルミチン酸:ルナックP-95:花王株式会社製
ミリスチン酸:ルナックMY-98:花王株式会社製
16-メチルオクタデカン酸:特開2008-255050記載の実施例1の製造方法で合成した。
ジプロピレングリコール:DPG-RF:株式会社ADEKA製
ここで、調製したベシクル組成物であるプレミックスを用いて、下記に示す方法でヘアコンディショナーを調製し、各評価を行った。実施例1~13、比較例1~2の処方、及び、評価結果は表2に示す。なお、本実施例1~13及び比較例1~2で調整したヘアコンディショナーは洗い流す形態で使用する毛髪化粧料である。
300mlビーカーに水相としてイオン交換水167.8g、90質量%乳酸(ムサシノ乳酸90:株式会社武蔵野化学研究所製)を0.69g入れ、55℃までプロペラで攪袢下加熱した。その後、N,N-ジメチル-3-オクタデシルオキシプロピルアミン(ファーミンDM E-80:花王株式会社製)を2.45g、ステアリルアルコール(カルコール8098:花王株式会社製)5.58g、ジプロピレングリコール(DPG-RF:株式会社ADEKA製)0.93gから成る油相を80℃で均―溶解した後、水相中に添加し、10分間300rpmで攪拌して乳化した。300rpmで攪拌しながら35℃以下まで放冷してベース混合物を調製した後、前述のベシクル組成物(プレミックス)7.14gを添加し、ヘアコンディショナーとした。
なお、実施例4および6については、N,N-ジメチル-3-オクタデシルオキシプロピルアミンを2.45g添加するかわりに、N-(3-(ジメチルアミノ)プロピル)ステアラミド(アミドアミンMPS:日光ケミカルズ株式会社製)を2.29g添加した以外は、上述と同様の手順にてリンスを調製した。
加熱溶解した成分(A)と成分(B)の混合物を測定用セルに精秤、封入したサンプルを作成し、示差走査熱量計(EXSTAR6000:セイコーインスツル株式会社製)を用いて凝固点を測定した。測定条件は5℃から、1℃/分の加熱速度で90℃まで昇温した後、1℃/分の冷却速度で5℃まで冷却した。冷却時の発熱ピークが発生する位置から凝固点を決定した。
プレミックスを光学顕微鏡(ECLIPSE E800:NIKON社製)を用いて、室温、偏光条件下(直交ニコル)観察した。
また、プレミックス中ベシクルの平均粒径は、ベックマンロコールター株式会社製のMultisizerTM4を用いて25℃で測定した。なお、平均粒径は体積基準のメディアン径(D50)を用いた。
ストレートパーマ1回、ブリーチ2回処理を施した日本人女性の毛髪をダメージ毛髪とし、それぞれ20g(長さ15~20cm、平均直径80μm)の毛髪束を、下記の組成の標準シャンプー2gを用いて洗浄した毛髪束に、表2に示すヘアコンディショナー2gを塗布し、毛髪全体に十分に馴染ませた後、およそ30秒間約40℃の流水下で濯ぎ、ついで、タオルドライを行い、ドライヤーで十分に乾燥させた。
25%ポリオキシエチレン(2.5)ラウリルエーテル硫酸ナトリウム塩 62.0%
ラウリン酸ジエタノールアミド 2.3%
エデト酸二ナトリウム 0.15%
安息香酸ナトリウム 0.5%
塩化ナトリウム 0.8%
75%リン酸 適量
香料、メチルパラベン 適量
精製水 残量
「すすぎ時の滑らかさ」
4:非常に滑らか
3:やや滑らか
2:あまり滑らかでない
1:滑らかでない
4:髪のぬるつきが全くない
3:髪のぬるつきがあまりない
2:髪のぬるつきが少しある
1:髪のぬるつきがある
4:非常に滑らか
3:やや滑らか
2:あまり滑らかでない
1:滑らかでない
4:べたつかない
3:ほとんどべたつかない
2:ややべたつく
1:べたつく
Claims (13)
- 成分(A)および成分(B)の混合物の凝固点が40℃以上55℃以下である請求項1に記載のベシクル組成物の製造方法。
- 前記油相または前記水相は、更に(E)多価アルコールを含有する請求項1または2に記載のベシクル組成物の製造方法。
- 前記ベシクル組成物中の前記成分(A)、(B)、(C)及び(D)の合計が1~20質量%である請求項1から3のいずれか一項に記載のベシクル組成物の製造方法。
- 前記成分(A)、(B)及び(D)において(A)+(B)のモル総和と成分(D)のモルの比が、((A)+(B))/(D)=5/5~9/1である請求項1から4のいずれか一項に記載のベシクル組成物の製造方法。
- 前記成分(A)、(B)、(C)及び(D)において、(A)+(B)+(D)の酸当量の総和と(C)の塩基当量の比が((A)+(B)+(D))/(C)=0.25~4である請求項1から5のいずれか一項に記載のベシクル組成物の製造方法。
- 前記成分(A)と前記成分(B)との質量割合が(A)/(B)=60/40~50/50である請求項1から6のいずれか一項に記載のベシクル組成物の製造方法。
- 前記成分(B)が炭素数16~22の分岐脂肪酸である請求項1から7のいずれか一項に記載のベシクル組成物の製造方法。
- 前記成分(A)と前記成分(B)との脂肪酸の炭素数が同じである請求項1から8のいずれか一項に記載のベシクル組成物の製造方法。
- 成分(A)がステアリン酸であり、
成分(B)がイソステアリン酸であり、
成分(C)がエーテルアミンまたはアルキルアミドアミンであり、
成分(D)がグリコール酸または乳酸である
請求項1から9のいずれか一項に記載のベシクル組成物の製造方法。 - 次の成分(A)~(D):
成分(A)炭素数14~24の直鎖脂肪酸;
成分(B)炭素数14~24であり、一般式(1)で表される分岐脂肪酸;
成分(C)第3級アミン化合物;
成分(D)炭素数1~8の有機酸;
を含有し、成分(A)と成分(B)との質量割合が(A)/(B)=70/30~40/60である油相を当該油相の融点以上の温度で溶解させる工程と、
溶解した油相を水相に加えながら混合し、連続相が水相であるベシクル組成物を製造する工程と、
少なくとも1種のカチオン界面活性剤と脂肪族アルコールを含むベース混合物に、前記ベシクル組成物を混合する工程と
を含む、毛髪化粧料の製造方法。 - トリートメント、コンディショナーまたはリンスの形態であり、1種または複数のカチオン界面活性剤と脂肪族アルコールとを含むベース混合物に、請求項12に記載のベシクル組成物を混合することで得られる毛髪化粧料。
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CN201280014088.1A CN103491935A (zh) | 2011-01-19 | 2012-01-18 | 囊泡组合物的制造方法 |
US13/980,717 US20130287720A1 (en) | 2011-01-19 | 2012-01-18 | Process for preparing vesicle composition |
EP12736973.4A EP2666459A4 (en) | 2011-01-19 | 2012-01-18 | METHOD FOR PRODUCING A VESICLE COMPOSITION |
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MX2019005581A (es) * | 2017-04-13 | 2019-07-08 | Procter & Gamble | Metodo para preparar una composicion de producto que comprende una particula distinta y una composicion base acuosa. |
US11931441B2 (en) | 2018-10-10 | 2024-03-19 | The Procter & Gamble Company | Personal care product customized by discrete particles and method of apply thereof |
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TWI551297B (zh) | 2016-10-01 |
EP2666459A1 (en) | 2013-11-27 |
EP2666459A4 (en) | 2015-09-02 |
TW201309332A (zh) | 2013-03-01 |
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US20130287720A1 (en) | 2013-10-31 |
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