WO2014185201A1 - 不飽和脂肪酸を選択的に吸着する層状複水酸化物およびこの層状複水酸化物を用いた化粧料 - Google Patents
不飽和脂肪酸を選択的に吸着する層状複水酸化物およびこの層状複水酸化物を用いた化粧料 Download PDFInfo
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- A—HUMAN NECESSITIES
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- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0241—Containing particulates characterized by their shape and/or structure
- A61K8/0254—Platelets; Flakes
- A61K8/0258—Layered structure
- A61K8/0262—Characterized by the central layer
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- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
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- A—HUMAN NECESSITIES
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- 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
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/26—Aluminium; Compounds thereof
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/27—Zinc; Compounds thereof
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- 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
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
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- 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
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
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- 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
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- 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
- A61K8/368—Carboxylic acids; Salts or anhydrides thereof with carboxyl groups directly bound to carbon atoms of aromatic rings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- 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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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
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- 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
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives 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
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
- A61K8/445—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof aromatic, i.e. the carboxylic acid directly linked to the aromatic ring
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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
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
- A61K8/4913—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid
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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
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
- A61K8/4926—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having six membered rings
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/12—Face or body powders for grooming, adorning or absorbing
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- 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
- A61Q19/008—Preparations for oily skin
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/36—Methods for preparing oxides or hydroxides in general by precipitation reactions in aqueous solutions
- C01B13/363—Mixtures of oxides or hydroxides by precipitation
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/78—Compounds containing aluminium and two or more other elements, with the exception of oxygen and hydrogen
- C01F7/784—Layered double hydroxide, e.g. comprising nitrate, sulfate or carbonate ions as intercalating anions
- C01F7/785—Hydrotalcite
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/56—Compounds, absorbed onto or entrapped into a solid carrier, e.g. encapsulated perfumes, inclusion compounds, sustained release forms
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61K2800/60—Particulates further characterized by their structure or composition
- A61K2800/65—Characterized by the composition of the particulate/core
- A61K2800/651—The particulate/core comprising inorganic material
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/60—Particulates further characterized by their structure or composition
- A61K2800/65—Characterized by the composition of the particulate/core
- A61K2800/652—The particulate/core comprising organic material
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/08—Intercalated structures, i.e. with atoms or molecules intercalated in their structure
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/20—Two-dimensional structures
- C01P2002/22—Two-dimensional structures layered hydroxide-type, e.g. of the hydrotalcite-type
Definitions
- the present invention relates to a layered double hydroxide, and more particularly to a layered double hydroxide that selectively adsorbs unsaturated fatty acids (particularly oleic acid) and a cosmetic using the layered double hydroxide.
- Layered double hydroxides (Layered Double Hydroxide, hydrotalcite-like compound) formula is represented by [M 2+ 1-x M 3+ x (OH) 2] [A n- x / n ⁇ mH 2 O] It is a compound and is known as a compound having anion exchange ability. Specifically, it has a structure constituted by a basic layer made of a divalent and trivalent metal hydroxide, an intermediate layer intercalated between the layers, and interlayer water. In addition, the layered double hydroxide can exhibit various characteristics by the combination of divalent and trivalent metals forming the basic layer and the anion forming the intermediate layer. Has been developed.
- the present applicant selectively adsorbs unsaturated fatty acids such as oleic acid by using Mg and Al for divalent and trivalent metals and using magnesium acetate or magnesium acrylate as the intercalating compound.
- unsaturated fatty acids such as oleic acid
- Mg and Al for divalent and trivalent metals
- magnesium acetate or magnesium acrylate as the intercalating compound.
- the inventors have obtained knowledge that the technical effect is expressed, filed a patent application for the layered double hydroxide, and obtained a patent (see Patent Document 4).
- such unsaturated fatty acids are contained in human sebum components or decomposition products of sebum components, and are known to cause makeup collapse and shine. Yes.
- sebum components also contain ingredients that moisturize the skin, such as squalene. Therefore, the layered double hydroxide capable of selectively adsorbing only the unsaturated fatty acids that cause makeup collapse and shine is highly useful in the field of cosmetics.
- oleic acid accounts for about 30 to 40% of the sebum component. Therefore, the layered double hydroxide capable of selectively adsorbing oleic acid is particularly used in the cosmetics field. Value will be high.
- Patent Document 4 exhibits selective adsorptivity of unsaturated fatty acids, it exhibits strong alkalinity (about pH 10) when dispersed in water. Then, there existed a subject that it was difficult to use as it is as cosmetics.
- the layered double hydroxide described in Patent Document 4 has a problem that acetic acid odor is generated since magnesium acetate is used as an intercalating compound. There was a problem that it was difficult to use as.
- the inventor of the present invention As a result of intensive studies, the inventor of the present invention, as a result of using a compound represented by a specific chemical formula as an anion to be intercalated, exhibits a selective adsorptivity of unsaturated fatty acids while being dispersed in water. In addition, the inventors have obtained the knowledge that the pH can be made neutral (from weakly acidic to weakly alkaline).
- the present invention has been made in view of the above-described conventional problems, and exhibits a selective adsorption property of unsaturated fatty acids, and also has a neutral pH (from weakly acidic to weakly alkaline) when dispersed in water. It is an object of the present invention to provide a layered double hydroxide that can be prepared in the following manner) and a cosmetic using the layered double hydroxide.
- the layered double hydroxide according to the present invention has M (II) 1-X M (III) X (OH) 2 (wherein M (II) is one or two kinds.
- M (II) is one or two kinds.
- a bivalent metal, M (III) is a trivalent metal, and x is 0.2 to 0.33).
- the intermediate layer is a compound represented by the following chemical formula 1 or chemical formula 2.
- R 1 -COOH R 1 is one or more selected from an aliphatic hydrocarbon group, a substituted aliphatic hydrocarbon group, an aromatic hydrocarbon group, a substituted aromatic hydrocarbon group, a heterocyclic group, and a substituted heterocyclic group.
- R 2 represents one or more selected from an aliphatic hydrocarbon group, a substituted aliphatic hydrocarbon group, an aromatic hydrocarbon group, a substituted aromatic hydrocarbon group, a heterocyclic group, and a substituted heterocyclic group. Indicates a substituent.
- the layered double hydroxide according to the present invention is characterized in that M (II) is Zn and M (III) is Al.
- the layered double hydroxide according to the present invention is characterized in that M (II) is Mg and Zn and M (III) is Al.
- the compound represented by Chemical Formula 1 is salicylic acid, hydroxybenzoic acid, aminobenzoic acid, methoxybenzoic acid, pentanoic acid, dodecanoic acid, octadecanoic acid, docosanoic acid, isopentanoic acid,
- One or more compounds selected from isododecanoic acid, isooctadecanoic acid, 4-aminobutyric acid, 6-aminohexanoic acid, tranexamic acid, picolinic acid, taurine, pyrrolidone carboxylic acid, and sodium N-lauroylsarcosinate It is characterized by that.
- the cosmetic according to the present invention is characterized in that the compound represented by Chemical Formula 2 is phenolsulfonic acid or paratoluenesulfonic acid.
- the cosmetic according to the present invention is characterized in that the layered double hydroxide according to any one of claims 1 to 5 is blended.
- the layered double hydroxide according to the present invention comprises M (II) 1-X M (III) X (OH) 2 (wherein M (II) is one or two divalent metals, M (III ) Is a trivalent metal, x is 0.2 to 0.33, and is expressed by a specific chemical formula intercalated between the basic layer composed of a metal double hydroxide represented by It has a structure composed of a compound (intermediate layer) and interlayer water.
- a specific unsaturated fatty acid such as oleic acid can be selectively selected while neutralizing the pH when dispersed in water.
- the neutral range in the present invention means a weakly acidic to weakly alkaline range, and more specifically means that the pH is in the range of 5 to 9.
- the pH can be further adjusted to an arbitrary pH within the above range by adjusting the ratio of the basic layer and anion described later.
- the layered double hydroxide according to the present invention as a cosmetic, among the above pH ranges, particularly from the weakly acidic pH of about 6 to the neutrality of about 7 in the above pH range from the viewpoint of the effect on the skin. Is preferred.
- the divalent metal constituting the basic layer of the layered double hydroxide of the present invention is not particularly limited, and various divalent metals such as Zn, Mg, Mn, Fe, Co, Ni, Cu, and Ca are used. However, it is preferable to use any one of Zn, Mg, and a mixture of Zn and Mg from the viewpoint of the stability and safety of the layered double hydroxide and the selective adsorption ability.
- the trivalent metal constituting the basic layer of the layered double hydroxide of the present invention is not particularly limited, and various trivalent metals such as Al, Cr, Fe, Co, In, and Mn are used. However, it is preferable to use Al from the viewpoint of the stability of the layered double hydroxide and the ease of production.
- R 1 is one or more selected from an aliphatic hydrocarbon group, a substituted aliphatic hydrocarbon group, an aromatic hydrocarbon group, a substituted aromatic hydrocarbon group, a heterocyclic group, and a substituted heterocyclic group.
- R 2 represents one or more selected from an aliphatic hydrocarbon group, a substituted aliphatic hydrocarbon group, an aromatic hydrocarbon group, a substituted aromatic hydrocarbon group, a heterocyclic group, and a substituted heterocyclic group. Indicates a substituent.
- Examples of the aliphatic hydrocarbon group include an alkyl group, an alkenyl group, an alkynyl group, and a cycloalkyl group.
- Examples of the aromatic hydrocarbon group include a phenyl group, a naphthyl group, an anthryl group, and a phenanthryl group.
- heterocyclic group pyridyl group, furanyl group, pyranyl group, thienyl group, pyrrolidinyl group, imidazolyl group, imidazolinyl group, imidazolidinyl group, pyrazolyl group, pyrazolinyl group, pyrazolidinyl group, pyridazinyl group, pyrazinyl group, piperidinyl group, piperazinyl group , Thiolanyl group, thianyl group, quinolyl group, isoquinolyl group, benzofuranyl group, benzothienyl group, indolyl group, carbazolyl group, benzoxazolyl group, benzothiazolyl group, quinoxalyl group, benzoimidazolyl group, pyrazolyl group, dibenzofuranyl group, dibenzo A thienyl group, a carbolinyl group, etc. are mentioned.
- R 1 is a substituted aliphatic hydrocarbon group
- R 1 is a substituted aliphatic hydrocarbon group
- examples of Chemical Formula 1 when R 1 is a substituted aliphatic hydrocarbon group include butanoic acid (butyric acid), pentanoic acid (valeric acid), hexanoic acid (caproic acid), heptanoic acid (enanthic acid), octanoic acid (Caprylic acid), nonanoic acid (pelargonic acid), decanoic acid (capric acid), dodecanoic acid (lauric acid), tetradecanoic acid (myristic acid), pentadecanoic acid (pentadecylic acid), hexadecanoic acid (palmitic acid), heptadecanoic acid ( Margaric acid), octadecanoic acid (stearic acid), eicosanoic acid (arachidic acid), docosanoic acid (behenic acid
- R 1 is a substituted aromatic hydrocarbon group
- R 1 is a substituted aromatic hydrocarbon group
- R 1 is a substituted aromatic hydrocarbon group
- R 1 is a substituted heterocyclic group
- PCA pyrrolidone carboxylic acid
- R 2 is a substituted aliphatic hydrocarbon group
- R 2 is a substituted aromatic hydrocarbon group
- PTS paratoluenesulfonic acid
- R 2 is a substituted heterocyclic group
- various isomers may be sufficient as said compound. These compounds can be used alone or in combination. Further, for these compounds, various derivatives and metal salts such as sodium salts and zinc salts can be used. Among them, salicylic acid, hydroxybenzoic acid, aminobenzoic acid can be exhibited from the point that the selective adsorption ability of unsaturated fatty acids can be expressed while the pH when dispersed in water is neutral (weakly acidic to weakly alkaline).
- Acid methoxybenzoic acid (anisic acid), pentanoic acid (valeric acid), dodecanoic acid (lauric acid), octadecanoic acid (stearic acid), docosanoic acid (behenic acid), isopentanoic acid, isododecanoic acid, isooctadecanoic acid, 4- It is preferable to use aminobutyric acid, 6-aminohexanoic acid, tranexamic acid, picolinic acid, taurine, pyrrolidone carboxylic acid (PCA), or sodium N-lauroyl sarcosinate.
- PCA pyrrolidone carboxylic acid
- benzoic acid, hydroxybenzoic acid, aminobenzoic acid, methoxybenzoic acid are preferable in that the pH when dispersed in water can be weakly acidic at around 6 to neutral at pH around 7.
- Pentanoic acid valeric acid
- dodecanoic acid lauric acid
- isooctadecanoic acid tranexamic acid
- pyrrolidone carboxylic acid PCA
- sodium N-lauroyl sarcosinate sodium N-lauroyl sarcosinate
- phenolsulfonic acid p-toluenesulfonic acid (PTS) It is preferable.
- the layered double hydroxide of this invention As a manufacturing method of the layered double hydroxide of this invention, well-known layered double hydroxide manufacturing methods, such as a coprecipitation method, an ion exchange method, and a reconstruction method, can be used.
- the coprecipitation method is a method of adding a mixed aqueous solution of divalent and trivalent metal ions to an anion aqueous solution of an intercalating compound and hydrolyzing the metal ions to form a metal double water that becomes a basic layer.
- This is a method for producing a layered double hydroxide by forming an oxide and incorporating an intercalating compound as an intermediate layer.
- a layered double hydroxide in which an anion having a low charge density is previously taken in as an intermediate layer is prepared, and then added to an anion aqueous solution of a desired intercalating compound.
- This is a method for producing a desired layered double hydroxide by performing ion exchange with the incorporated anion.
- the reconstruction method is a method for producing a layered double hydroxide by the following procedure. First, a so-called carbonated layered double hydroxide (carbonated LDH) in which carbonate ions are taken in as an intermediate layer in advance is prepared.
- the reconstruction method is preferably used because it is easily synthesized.
- the layered double hydroxide of the present invention has a neutral pH (weakly acidic to weakly alkaline) when dispersed in water as described above, it remains in a state without neutralization. It can mix
- it is not specifically limited as a compounding quantity of the layered double hydroxide of this invention at the time of setting it as cosmetics, It will determine suitably as needed.
- the pH when dispersed in water is neutralized by intercalating benzoic acid or a derivative thereof between the layers of the basic layer composed of two or three components. It is possible to obtain a layered double hydroxide capable of selectively adsorbing a specific unsaturated fatty acid such as oleic acid while being (weakly acidic to weakly alkaline). Moreover, the layered double hydroxide which does not take on odors, such as an acetic acid odor, can be obtained.
- the cosmetic according to the present invention using the layered double hydroxide, it has the ability to selectively adsorb unsaturated fatty acids, so that it is possible to effectively improve makeup collapse and shine.
- the layered double hydroxide of the present invention since a specific metal ion or a specific compound is used for the base layer or the intermediate layer, a layered double hydroxide that is more excellent in selective adsorption property of unsaturated fatty acid is obtained. be able to.
- Example 1 First, 2.6 l of 1 mol / l aqueous solution of ZnCl 2 and 1.4 l of 1 mol / l aqueous solution of AlCl 3 were dropped into 2 l of 1 mol / l aqueous solution of Na 2 CO 3 while maintaining the pH of the reaction solution at 7, Aging was performed at 40 ° C. for 1 hour. Then, after removing the supernatant of the mixture, 2 l of a 1 mol / l aqueous solution of Na 2 CO 3 was added, and the mixture was heated to reflux for 5 hours. The obtained precipitate was collected, washed with water, dried under reduced pressure at 60 ° C.
- Example 2 A layered double hydroxide of Example 2 was obtained in the same manner as in Example 1 except that sodium hydroxide was changed to 2.34 g of 25% by weight aqueous ammonia.
- Example 3 A layered double hydroxide of Example 3 was obtained in the same manner as in Example 1 except that the amount of the pyrolyzate was changed to 7.5 g. At this time, the molar ratio (B / A) of the basic layer (A) and benzoic acid (B) was 2/1.
- Example 4 The layered double hydroxide of Example 4 was obtained in the same manner as in Example 1 except that the amount of the pyrolyzate was changed to 7.5 g and benzoic acid was changed to 4.8 g of salicylic acid. At this time, the molar ratio (B / A) of the basic layer (A) to the salicylic acid (B) was 2/1.
- Example 5 The layered double hydroxide of Example 5 was obtained in the same manner as in Example 1 except that the amount of pyrolyzate was changed to 7.5 g and benzoic acid was changed to 5.2 g of p-anisic acid. At this time, the molar ratio (B / A) of the basic layer (A) and p-anisic acid (B) was 2/1.
- Example 6 A layered double hydroxide of Example 6 was obtained in the same manner as in Example 5 except that sodium hydroxide was changed to 2.34 g of 25% by weight ammonia water.
- Example 7 Mg-Al carbonate type LDH (DHT-6 manufactured by Kyowa Chemical Industry Co., Ltd.) was heated at 700 ° C. for 20 hours to obtain a thermal decomposition product.
- Mg-Al carbonate type LDH DHT-6 manufactured by Kyowa Chemical Industry Co., Ltd.
- a thermal decomposition product 60 g was added to this aqueous solution, and the mixture was stirred at room temperature for 15 hours.
- a precipitate was obtained by stirring.
- the molar ratio (B / A) of the basic layer (A) to the benzoic acid (B) was 0.1 / 1.
- the precipitate was collected, dried at 90 ° C. for 20 hours, and pulverized to obtain a layered double hydroxide of Example 7 in which benzoic acid was intercalated.
- Example 8 The layered double hydroxide of Example 8 was obtained in the same manner as in Example 7, except that the amount of pyrolyzate was changed to 30 g, the amount of benzoic acid to 5.2 g, and the amount of sodium hydroxide to 1.73 g. Obtained. At this time, the molar ratio (B / A) of the basic layer (A) to the benzoic acid (B) was 0.5 / 1.
- Example 9 The layered double hydroxide of Example 9 was the same as Example 7 except that the amount of pyrolyzate was changed to 7.4 g, the amount of benzoic acid was changed to 5.2 g, and the amount of sodium hydroxide was changed to 1.73 g. I got a thing. At this time, the molar ratio (B / A) of the basic layer (A) and benzoic acid (B) was 2/1.
- Example 10 The layered composite of Example 10 was prepared in the same manner as in Example 7, except that the amount of pyrolyzate was changed to 5.9 g, benzoic acid to 5.2 g of p-anisic acid, and sodium hydroxide to 1.37 g. A hydroxide was obtained. At this time, the molar ratio (B / A) of the basic layer (A) and p-anisic acid (B) was 2/1.
- Example 11 A layered double hydroxide of Example 11 was obtained in the same manner as in Example 10 except that sodium hydroxide was changed to 2.34 g of 25 wt% aqueous ammonia.
- Example 12 First, a Zn—Mg—Al carbonate type LDH (Alkamizer manufactured by Kyowa Chemical Industry Co., Ltd.) was heated at 600 ° C. for 20 hours to obtain a thermal decomposition product. Next, after adding 4.2 g of benzoic acid to 100 ml of water, 1.37 g of sodium hydroxide was added and stirred to dissolve the benzoic acid, and 41.9 g of the thermal decomposition product was added to this aqueous solution, A precipitate was obtained by stirring for 15 hours. At this time, the molar ratio (B / A) of the basic layer (A) to the benzoic acid (B) was 0.25 / 1. Finally, the precipitate was collected, dried at 90 ° C. for 20 hours, and pulverized to obtain a layered double hydroxide of Example 12 in which benzoic acid was intercalated.
- a Zn—Mg—Al carbonate type LDH Alkamizer manufactured by Kyowa Chemical Industry Co., Ltd.
- Example 13 A layered double hydroxide of Example 13 was obtained in the same manner as in Example 12 except that the amount of the pyrolyzate was changed to 8.4 g. At this time, the molar ratio (B / A) of the basic layer (A) to the benzoic acid (B) was 1.25 / 1.
- Example 14 A layered double hydroxide of Example 14 was obtained in the same manner as in Example 12 except that the amount of the pyrolyzate was changed to 5.2 g. At this time, the molar ratio (B / A) of the basic layer (A) and benzoic acid (B) was 2/1.
- Example 15 A layered double hydroxide of Example 15 was obtained in the same manner as in Example 14 except that sodium hydroxide was changed to 2.34 g of 25% by weight aqueous ammonia.
- Example 16 A layered double hydroxide of Example 16 was obtained in the same manner as in Example 14 except that benzoic acid was changed to 4.7 g of salicylic acid. At this time, the molar ratio (B / A) of the basic layer (A) to the salicylic acid (B) was 2/1.
- Example 17 A layered double hydroxide of Example 17 was obtained in the same manner as in Example 14 except that benzoic acid was changed to 4.7 g of 3-hydroxybenzoic acid. At this time, the molar ratio (B / A) of the basic layer (A) to 3-hydroxybenzoic acid (B) was 2/1.
- Example 18 A layered double hydroxide of Example 18 was obtained in the same manner as in Example 14 except that benzoic acid was changed to 4.7 g of p-aminobenzoic acid. At this time, the molar ratio (B / A) of the basic layer (A) to 3-hydroxybenzoic acid (B) was 2/1.
- Example 19 The layered compound of Example 19 was changed in the same manner as Example 12 except that the amount of pyrolyzate was changed to 5.3 g, benzoic acid was changed to 1.6 g of p-anisic acid, and the amount of sodium hydroxide was changed to 0.42 g. A hydroxide was obtained. At this time, the molar ratio (B / A) of the basic layer (A) to p-anisic acid (B) was 0.6 / 1.
- Example 20 A layered double hydroxide of Example 20 was obtained in the same manner as in Example 19 except that the amount of p-anisic acid was changed to 2.6 g and the amount of sodium hydroxide was changed to 0.68 g. At this time, the molar ratio (B / A) of the basic layer (A) to p-anisic acid (B) was 1/1.
- Example 21 A layered double hydroxide of Example 21 was obtained in the same manner as in Example 19 except that the amount of p-anisic acid was changed to 3.8 g and the amount of sodium hydroxide was changed to 1 g. At this time, the molar ratio (B / A) of the basic layer (A) to p-anisic acid (B) was 1.45 / 1.
- Example 22 A layered double hydroxide of Example 22 was obtained in the same manner as in Example 19 except that the amount of p-anisic acid was changed to 4.7 g and the amount of sodium hydroxide was changed to 1.24 g. In this case, the molar ratio (B / A) of the basic layer (A) to p-anisic acid (B) was 1.8 / 1.
- Example 23 A layered double hydroxide of Example 23 was obtained in the same manner as in Example 22 except that sodium hydroxide was changed to 2.1 g of 25 wt% aqueous ammonia. In this case, the molar ratio (B / A) of the basic layer (A) to p-anisic acid (B) was 1.8 / 1.
- Example 24 A layered double hydroxide of Example 24 was obtained in the same manner as in Example 23, except that the amount of p-anisic acid was changed to 5.2 g and the amount of 25 wt% aqueous ammonia was changed to 2.34 g. . At this time, the molar ratio (B / A) of the basic layer (A) and p-anisic acid (B) was 2/1.
- Example 25 A layered double hydroxide of Example 25 was obtained in the same manner as in Example 23 except that the amount of p-anisic acid was changed to 5.7 g and the amount of 25 wt% ammonia water was changed to 2.57 g. . At this time, the molar ratio (B / A) of the basic layer (A) and p-anisic acid (B) was 2.2 / 1.
- Example 26 a Zn—Al-based carbonated LDH was produced by the same method as in Example 1. Next, this Zn—Al carbonate type LDH was heated at 450 ° C. for 20 hours to obtain a thermal decomposition product. Next, after adding 6 g of 3-hydroxybenzoic acid to 100 ml of water, 1.73 g of sodium hydroxide was added and stirred to dissolve 3-hydroxybenzoic acid, and 6 g of the above thermal decomposition product was added to this aqueous solution. The precipitate was obtained by stirring at room temperature for 15 hours. At this time, the molar ratio (B / A) of the basic layer (A) to 3-hydroxybenzoic acid (B) was 2/1. Finally, the precipitate was collected, dried at 90 ° C. for 20 hours, and pulverized to obtain a layered double hydroxide of Example 26 in which 3-hydroxybenzoic acid was intercalated.
- Example 27 A layered double hydroxide of Example 27 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of p-aminobenzoic acid. At this time, the molar ratio (B / A) of the basic layer (A) and p-aminobenzoic acid (B) was 2/1.
- Example 28 A layered double hydroxide of Example 28 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of pentanoic acid. In this case, the molar ratio (B / A) of the basic layer (A) to the pentanoic acid (B) was 4/1.
- Example 29 A layered double hydroxide of Example 29 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of dodecanoic acid. At this time, the molar ratio (B / A) of the basic layer (A) to dodecanoic acid (B) was 2/1.
- Example 30 A layered double hydroxide of Example 30 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 3 g of dodecanoic acid. At this time, the molar ratio (B / A) of the basic layer (A) to dodecanoic acid (B) was 1/1.
- Example 31 A layered double hydroxide of Example 31 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of tetradecanoic acid. At this time, the molar ratio (B / A) of the basic layer (A) to the tetradecanoic acid (B) was 1/1.
- Example 32 A layered double hydroxide of Example 32 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of hexadecanoic acid. At this time, the molar ratio (B / A) of the basic layer (A) to hexadecanoic acid (B) was 1/1.
- Example 33 A layered double hydroxide of Example 33 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of octadecanoic acid.
- the molar ratio (B / A) of the basic layer (A) and octadecanoic acid (B) was 2/1.
- Example 34 A layered double hydroxide of Example 34 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 3 g of octadecanoic acid. At this time, the molar ratio (B / A) of the base layer (A) and octadecanoic acid (B) was 1/1.
- Example 35 A layered double hydroxide of Example 35 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of docosanoic acid. At this time, the molar ratio (B / A) of the basic layer (A) to docosanoic acid (B) was 1/1.
- Example 36 A layered double hydroxide of Example 36 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of isooctadecanoic acid. At this time, the molar ratio (B / A) of the basic layer (A) to isooctadecanoic acid (B) was 2/1.
- Example 37 A layered double hydroxide of Example 37 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 3 g of isooctadecanoic acid. In this case, the molar ratio (B / A) of the basic layer (A) to isooctadecanoic acid (B) was 1/1.
- Example 38 A layered double hydroxide of Example 38 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of 4-aminobutyric acid. At this time, the molar ratio (B / A) of the basic layer (A) to 4-aminobutyric acid (B) was 4/1.
- Example 39 A layered double hydroxide of Example 39 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of 6-aminohexanoic acid. In this case, the molar ratio (B / A) of the basic layer (A) to 6-aminohexanoic acid (B) was 3.3 / 1.
- Example 40 A layered double hydroxide of Example 40 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of tranexamic acid. In this case, the molar ratio (B / A) of the base layer (A) and tranexamic acid (B) was 2.7 / 1.
- Example 41 A layered double hydroxide of Example 41 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of picolinic acid. At this time, the molar ratio (B / A) of the basic layer (A) to the picolinic acid (B) was 3.5 / 1.
- Example 42 A layered double hydroxide of Example 42 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of taurine. At this time, the molar ratio (B / A) of the basic layer (A) to taurine (B) was 3.5 / 1.
- Example 43 A layered double hydroxide of Example 43 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of pyrrolidonecarboxylic acid. At this time, the molar ratio (B / A) of the basic layer (A) to the pyrrolidone carboxylic acid (B) was 3.3 / 1.
- Example 44 A layered double hydroxide of Example 44 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of sodium N-lauroyl sarcosinate. In this case, the molar ratio (B / A) of the basic layer (A) and sodium N-lauroyl sarcosinate (B) was 1.5 / 1.
- Example 45 A layered double hydroxide of Example 45 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of phenolsulfonic acid. At this time, the molar ratio (B / A) of the basic layer (A) to the phenolsulfonic acid (B) was 2/1.
- Example 46 A layered double hydroxide of Example 46 was obtained in the same manner as in Example 26 except that 3-hydroxybenzoic acid was changed to 6 g of paratoluenesulfone. At this time, the molar ratio (B / A) of the basic layer (A) and paratoluenesulfonic acid (B) was 2.5 / 1.
- Comparative Example 1 Comparative Example 1 was carried out in the same manner as in Example 7 except that the amount of pyrolyzate was changed to 10.1 g and benzoic acid was changed to 6.3 g of magnesium acetate tetrahydrate and dissolved in water without using sodium hydroxide. A layered double hydroxide was obtained. At this time, the molar ratio (B / A) of the basic layer (A) and magnesium acetate (B) was 1/1.
- Comparative Example 2 A layered double hydroxide of Comparative Example 2 was obtained in the same manner as in Example 12 except that the amount of the pyrolyzed product was changed to 5.3 g and benzoic acid was changed to 5.9 g of toluenesulfonic acid. At this time, the molar ratio (B / A) of the basic layer (A) to the toluenesulfonic acid (B) was 2/1.
- the layered double hydroxides of the examples in which specific compounds were intercalated had pH values in the neutral range of 5 to 9 when dispersed in water, and had no odor. It was found that it has the ability to adsorb only unsaturated fatty acids (especially oleic acid).
- the layered double hydroxides of Examples 2, 6, 15, 23 to 31, 36, 37, 40, and 43 to 46 have no odor and the ability to adsorb only unsaturated fatty acids (particularly oleic acid). While being played, it was found to be an ideal layered double hydroxide since the pH when dispersed in water was slightly acidic to about 6 to neutral about pH 7.
- the layered double hydroxides of Examples 6, 29 to 34, and 46 are superior in the ability to adsorb only unsaturated fatty acids (particularly oleic acid) as compared with the layered double hydroxides of other examples. I found out.
- the layered double hydroxides of Examples 28 to 37 and 44 among the examples had particularly high water repellency compared to the layered double hydroxides of other Examples. Therefore, when the layered double hydroxides of Examples 28 to 37 and 44 are used in cosmetics, in addition to the ability to adsorb only unsaturated fatty acids (especially oleic acid), the ability to repel water is also imparted. Therefore, it is possible to more effectively prevent makeup collapse and shine.
- the layered double hydroxide of Comparative Example 2 has a pH in the neutral range of 5 to 9 when dispersed in water, and has no odor, but includes not only unsaturated fatty acids but also active ingredients such as squalene. The result was adsorbed regardless of.
- the layered double hydroxide of Comparative Example 3 has the ability to adsorb only unsaturated fatty acids (particularly oleic acid), the pH when dispersed in water as described in paragraphs [0007] and [0008]. Shows a strong alkalinity of 10 and further has an acetic acid odor.
- the layered double hydroxide of the present invention and the cosmetic using the layered double hydroxide are in a neutral range (weakly acidic to weakly alkaline) when dispersed in water, while oleic acid and the like are used. It was found that a specific unsaturated fatty acid can be selectively adsorbed and a layered double hydroxide which does not have an odor such as acetic acid odor can be obtained.
- the layered double hydroxide of the present invention can be used in cosmetics, and in particular, can be used for applications that selectively adsorb unsaturated fatty acids such as oleic acid.
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Abstract
Description
また、層状複水酸化物は、基本層を形成する2価および3価の金属と中間層を形成する陰イオンの組合せによって各種の特性を発現させることができることから、多様な層状複水酸化物が開発されている。
従って、化粧崩れやテカリの原因となる上記の不飽和脂肪酸のみを選択的に吸着することができる層状複水酸化物は、化粧料の分野において利用価値が高いものとなる。さらに、不飽和脂肪酸の中でもオレイン酸は皮脂成分の約30~40%を占めるものであることから、オレイン酸を選択的に吸着することができる層状複水酸化物は化粧料の分野において特に利用価値が高いものとなる。
[化1]
R1-COOH
(R1は、脂肪族炭化水素基、置換脂肪族炭化水素基、芳香族炭化水素基、置換芳香族炭化水素基、複素環基、置換複素環基から選択される1種または2種以上の置換基を示す。)
[化2]
R2-SO3H
(R2は、脂肪族炭化水素基、置換脂肪族炭化水素基、芳香族炭化水素基、置換芳香族炭化水素基、複素環基、置換複素環基から選択される1種または2種以上の置換基を示す。)
本発明に係る層状複水酸化物は、M(II)1-XM(III)X(OH)2(式中、M(II)は1種または2種の2価の金属、M(III)は3価の金属、xは0.2~0.33である。)で表される金属複水酸化物からなる基本層と、基本層間にインターカレートされた特定の化学式で表される化合物(中間層)と、層間水によって構成される構造となっている。このように、インターカレートする化合物に特定の化学式で表される化合物を用いることによって、水に分散した際のpHを中性域にしつつ、オレイン酸などの特定の不飽和脂肪酸を選択的に吸着することができる層状複水酸化物を得ることができるのである。
ここで、本発明における中性域とは弱酸性~弱アルカリ性の範囲との意であり、さらに詳しくはpHが5~9の範囲との意である。なお、本発明の層状複水酸化物は、後記する基本層と陰イオンの比率を調整することによって、pHをさらに上記範囲の中で任意のpHに調整することができる。なお、本発明に係る層状複水酸化物を化粧料として配合する際には、皮膚に対する影響などの観点から上記のpH範囲の中でも特にpHが6前後の弱酸性~pHが7前後の中性となるものが好ましい。
本発明の層状複水酸化物の基本層を構成する2価の金属は、特に限定されるものではなく、Zn、Mg、Mn、Fe、Co、Ni、Cu、Caなど各種の2価の金属を用いることができるが、層状複水酸化物の安定性や安全性、選択吸着能などの観点からZn、Mg、ZnとMgの混合体のいずれかを用いることが好ましい。
本発明の層状複水酸化物の基本層を構成する3価の金属についても、特に限定されるものではなく、Al、Cr、Fe、Co、In、Mnなど各種の3価の金属を用いることができるが、層状複水酸化物の安定性や製造の容易性などの観点からAlを用いることが好ましい。
本発明の層状複水酸化物の中間層を構成する陰イオンは、以下の化学式で表される化合物を用いる必要がある。
[化1]
R1-COOH
(R1は、脂肪族炭化水素基、置換脂肪族炭化水素基、芳香族炭化水素基、置換芳香族炭化水素基、複素環基、置換複素環基から選択される1種または2種以上の置換基を示す。)
[化2]
R2-SO3H
(R2は、脂肪族炭化水素基、置換脂肪族炭化水素基、芳香族炭化水素基、置換芳香族炭化水素基、複素環基、置換複素環基から選択される1種または2種以上の置換基を示す。)
芳香族炭化水素基としては、フェニル基、ナフチル基、アントリル基、フェナントリル基などが挙げられる。
複素環基としては、ピリジル基、フラニル基、ピラニル基、チエニル基、ピロリジニル基、イミダゾリル基、イミダゾリニル基、イミダゾリジニル基、ピラゾリル基、ピラゾリニル基、ピラゾリジニル基、ピリダジニル基、ピラジニル基、ピペリジニル基、ピペラジニル基、チオラニル基、チアニル基、キノリル基、イソキノリル基、ベンゾフラニル基、ベンゾチエニル基、インドリル基、カルバゾリル基、ベンゾオキサゾリル基、ベンゾチアゾリル基、キノキサリル基、ベンゾイミダゾリル基、ピラゾリル基、ジベンゾフラニル基、ジベンゾチエニル基、カルボリニル基などが挙げられる。
R1が置換芳香族炭化水素基である場合の具体例としては、サリチル酸、安息香酸、ヒドロキシ安息香酸、アミノ安息香酸、メトキシ安息香酸(アニス酸) 、けい皮酸などが挙げられる。
R1が置換複素環基である場合の具体例としては、ピコリン酸、ピロリドンカルボン酸(PCA)、などが挙げられる。
R2が置換芳香族炭化水素基である場合の具体例としては、フェノールスルホン酸、パラトルエンスルホン酸(PTS)などが挙げられる。
R2が置換複素環基である場合の具体例としてはベンゾトリアゾリルブチルフェノールスルホン酸ナトリウム、ヒドロキシベンゾフェノンスルホン酸、ジヒドロキシジメトキシベンゾフェノンジスルホン酸などが挙げられる。
そしてその中でも、水に分散した際のpHを中性域(弱酸性から弱アルカリ性)にしつつ、不飽和脂肪酸の選択的吸着能を発現させることができる点から、サリチル酸、ヒドロキシ安息香酸、アミノ安息香酸、メトキシ安息香酸(アニス酸)、ペンタン酸(吉草酸)、ドデカン酸(ラウリン酸)、オクタデカン酸(ステアリン酸)、ドコサン酸(ベヘン酸)、イソペンタン酸、イソドデカン酸、イソオクタデカン酸、4-アミノ酪酸、6-アミノヘキサン酸、トラネキサム酸、ピコリン酸、タウリン、ピロリドンカルボン酸(PCA)、N-ラウロイルサルコシン酸ナトリウムを用いることが好ましい。
また、水に分散した際のpHを6前後の弱酸性~pHが7前後の中性にすることができる点からは、安息香酸、ヒドロキシ安息香酸、アミノ安息香酸、メトキシ安息香酸(アニス酸)、ペンタン酸(吉草酸)、ドデカン酸(ラウリン酸) 、イソオクタデカン酸、トラネキサム酸、ピロリドンカルボン酸(PCA)、N-ラウロイルサルコシン酸ナトリウム、フェノールスルホン酸、パラトルエンスルホン酸 (PTS)、を用いることが好ましい。
本発明の層状複水酸化物の基本層とインターカレートする化合物の比率は、2価および3価の金属とインターカレートする化合物の組合せや化粧料として使用する際の目標pHなどに応じて適宜調整される。そしてその中でも、不飽和脂肪酸の吸着能および水に分散した際のpHの観点から、インターカレートする化合物/基本層=0.05/1~5/1の範囲(モル比)であることが好ましい。また、より好ましくはインターカレートする化合物/基本層=0.1/1~4/1の範囲(モル比)であり、さらに好ましくはインターカレートする化合物/基本層=1/1~4/1の範囲(モル比)である。
なお、本発明の層状複水酸化物の製造方法としては、共沈法、イオン交換法、再構築法など公知の層状複水酸化物の製造方法を用いることができる。
具体的には、共沈法は、インターカレートする化合物の陰イオン水溶液に2価および3価の金属イオンの混合水溶液を添加して金属イオンを加水分解することによって基本層となる金属複水酸化物を形成し、インターカレートする化合物を中間層として取り込むことで層状複水酸化物を製造する方法である。
イオン交換法は、予め電荷密度の低い陰イオンを中間層として取り込んだ層状複水酸化物を作製しておき、次に所望するインターカレートする化合物の陰イオン水溶液に添加することによって、先に取り込んだ陰イオンとのイオン交換を行い所望する層状複水酸化物を製造する方法である。
再構築法は、以下の手順によって層状複水酸化物を製造する方法である。まず、予め炭酸イオンを中間層として取り込んだ、いわゆる炭酸型層状複水酸化物(炭酸型LDH)を作製しておく。次に、かかる炭酸型LDHを焼成(熱分解)することによって、炭酸イオンの分解および炭酸ガスの放出、層間水の放出、基本層を形成する金属水酸化物の脱水縮合を行った熱分解物を作製する。最後に、かかる熱分解物をインターカレートする化合物の陰イオン水溶液に添加または浸漬した後、濾過やデカンテーションなどの手段を必要に応じて用いて余分な陰イオン成分を除去し、沈殿物を回収することによって所望する層状複水酸化物を製造する。
そして、上記の方法の中でも合成が容易である点などから再構築法を用いることが好ましい。
また、本発明の層状複水酸化物は、上記の通り水に分散した際のpHが中性域(弱酸性から弱アルカリ性)となることから、中和処理などを行うことなくそのままの状態で化粧料の原料として配合することができる。そして、その結果オレイン酸などの特定の不飽和脂肪酸を選択的に吸着することができる化粧料を作製することができる。
なお、化粧料とする際の本発明の層状複水酸化物の配合量としては特に限定されるものではなく必要に応じて適宜決定されることになる。
まず、Na2CO3の1mol/l水溶液2lに、ZnCl2の1mol/l水溶液2.6lと、AlCl3の1mol/l水溶液1.4lを、反応液のpHを7に保ちながら滴下し、40℃で1時間熟成した。その後、混合物の上澄み液を除去した後、Na2CO3の1mol/l水溶液2lを加え、5時間加熱還流した。そして得られた沈殿物を回収し、水洗後60℃で24時間減圧乾燥・粉砕することによってZn-Al系の炭酸型LDHを作製した。
次に、このZn-Al系炭酸型LDHを450℃において20時間加熱して熱分解物を得た。
次に、水100mlに安息香酸4.2gを投入した後、水酸化ナトリウムを1.37g加えて撹拌することによって安息香酸を溶解させ、この水溶液に上記の熱分解物11.8gを加え、室温で15時間攪拌することで沈殿物を得た。なお、この際における基本層(A)と安息香酸(B)のモル比(B/A)は1.25/1であった。
最後に、上記沈殿物を回収した後90℃で20時間乾燥し、粉砕することによって安息香酸がインターカレートされた実施例1の層状複水酸化物を得た。
水酸化ナトリウムを25重量%のアンモニア水2.34gに変更した以外は実施例1と同様にして実施例2の層状複水酸化物を得た。
熱分解物の量を7.5gに変更した以外は実施例1と同様にして実施例3の層状複水酸化物を得た。なお、この際における基本層(A)と安息香酸(B)のモル比(B/A)は2/1であった。
熱分解物の量を7.5gに変更し、安息香酸をサリチル酸4.8gに変更した以外は実施例1と同様にして実施例4の層状複水酸化物を得た。なお、この際における基本層(A)とサリチル酸(B)のモル比(B/A)は2/1であった。
熱分解物の量を7.5gに変更し、安息香酸をp-アニス酸5.2gに変更した以外は実施例1と同様にして実施例5の層状複水酸化物を得た。なお、この際における基本層(A)とp-アニス酸(B)のモル比(B/A)は2/1であった。
水酸化ナトリウムを25重量%のアンモニア水2.34gに変更した以外は実施例5と同様にして実施例6の層状複水酸化物を得た。
まず、Mg-Al系炭酸型LDH(協和化学工業株式会社製DHT-6)を700℃において20時間加熱して熱分解物を得た。
次に、水100mlに安息香酸2.1gを投入した後、水酸化ナトリウムを0.69g加えて撹拌することによって安息香酸を溶解させ、この水溶液に上記熱分解物60gを加え、室温で15 時間攪拌することで沈殿物を得た。なお、この際における基本層(A)と安息香酸(B)のモル比(B/A)は0.1/1であった。
最後に、上記沈殿物を回収した後90℃で20時間乾燥し、粉砕することによって安息香酸がインターカレートされた実施例7の層状複水酸化物を得た。
熱分解物の量を30gに、安息香酸の量を5.2gに、水酸化ナトリウムの量を1.73gに変更した以外は実施例7と同様にして実施例8の層状複水酸化物を得た。なお、この際における基本層(A)と安息香酸(B)のモル比(B/A)は0.5/1であった。
熱分解物の量を7.4gに、安息香酸の量を5.2gに、水酸化ナトリウムの量を1.73gに変更した以外は実施例7と同様にして実施例9の層状複水酸化物を得た。なお、この際における基本層(A)と安息香酸(B)のモル比(B/A)は2/1であった。
熱分解物の量を5.9gに、安息香酸をp-アニス酸5.2gに、水酸化ナトリウムの量を1.37gに変更した以外は実施例7と同様にして実施例10の層状複水酸化物を得た。なお、この際における基本層(A)とp-アニス酸(B)のモル比(B/A)は2/1であった。
水酸化ナトリウムを25重量%のアンモニア水2.34gに変更した以外は実施例10と同様にして実施例11の層状複水酸化物を得た。
まず、Zn-Mg-Al系炭酸型LDH(協和化学工業(株)製アルカマイザー)を600℃において20時間加熱して熱分解物を得た。
次に、水100mlに安息香酸4.2gを投入した後、水酸化ナトリウムを1.37g加えて撹拌することによって安息香酸を溶解させ、この水溶液に上記熱分解物41.9gを加え、室温で15時間攪拌することで沈殿物を得た。なお、この際における基本層(A)と安息香酸(B)のモル比(B/A)は0.25/1であった。
最後に、上記沈殿物を回収した後90℃で20時間乾燥し、粉砕することによって安息香酸がインターカレートされた実施例12の層状複水酸化物を得た。
熱分解物の量を8.4gに変更した以外は実施例12と同様にして実施例13の層状複水酸化物を得た。なお、この際における基本層(A)と安息香酸(B)のモル比(B/A)は1.25/1であった。
熱分解物の量を5.2gに変更した以外は実施例12と同様にして実施例14の層状複水酸化物を得た。なお、この際における基本層(A)と安息香酸(B)のモル比(B/A)は2/1であった。
水酸化ナトリウムを25重量%のアンモニア水2.34gに変更した以外は実施例14と同様にして実施例15の層状複水酸化物を得た。
安息香酸をサリチル酸4.7gに変更した以外は実施例14と同様にして実施例16の層状複水酸化物を得た。なお、この際における基本層(A)とサリチル酸(B)のモル比(B/A)は2/1であった。
安息香酸を3-ヒドロキシ安息香酸4.7gに変更した以外は実施例14と同様にして実施例17の層状複水酸化物を得た。なお、この際における基本層(A)と3-ヒドロキシ安息香酸(B)のモル比(B/A)は2/1であった。
安息香酸をp-アミノ安息香酸4.7gに変更した以外は実施例14と同様にして実施例18の層状複水酸化物を得た。なお、この際における基本層(A)と3-ヒドロキシ安息香酸(B)のモル比(B/A)は2/1であった。
熱分解物の量を5.3gに、安息香酸をp-アニス酸1.6gに、水酸化ナトリウムの量を0.42gに変更した以外は実施例12と同様にして実施例19の層状複水酸化物を得た。なお、この際における基本層(A)とp-アニス酸(B)のモル比(B/A)は0.6/1であった。
p-アニス酸の量を2.6gに変更し、水酸化ナトリウムの量を0.68gに変更した以外は実施例19と同様にして実施例20の層状複水酸化物を得た。なお、この際における基本層(A)とp-アニス酸(B)のモル比(B/A)は1/1であった。
p-アニス酸の量を3.8gに変更し、水酸化ナトリウムの量を1gに変更した以外は実施例19と同様にして実施例21の層状複水酸化物を得た。なお、この際における基本層(A)とp-アニス酸(B)のモル比(B/A)は1.45/1であった。
p-アニス酸の量を4.7gに変更し、水酸化ナトリウムの量を1.24gに変更した以外は実施例19と同様にして実施例22の層状複水酸化物を得た。なお、この際における基本層(A)とp-アニス酸(B)のモル比(B/A)は1.8/1であった。
水酸化ナトリウムを25重量%のアンモニア水2.1gに変更した以外は実施例22と同様にして実施例23の層状複水酸化物を得た。なお、この際における基本層(A)とp-アニス酸(B)のモル比(B/A)は1.8/1であった。
p-アニス酸の量を5.2gに変更し、25重量%のアンモニア水の量を2.34gに変更した以外は実施例23と同様にして実施例24の層状複水酸化物を得た。なお、この際における基本層(A)とp-アニス酸(B)のモル比(B/A)は2/1であった。
p-アニス酸の量を5.7gに変更し、25重量%のアンモニア水の量を2.57gに変更した以外は実施例23と同様にして実施例25の層状複水酸化物を得た。なお、この際における基本層(A)とp-アニス酸(B)のモル比(B/A)は2.2/1であった。
まず、実施例1と同様の方法によってZn-Al系の炭酸型LDHを作製した。
次に、このZn-Al系炭酸型LDHを450℃において20時間加熱して熱分解物を得た。
次に、水100mlに3-ヒドロキシ安息香酸6gを投入した後、水酸化ナトリウムを1.73g加えて撹拌することによって3-ヒドロキシ安息香酸を溶解させ、この水溶液に上記の熱分解物6gを加え、室温で15時間攪拌することで沈殿物を得た。なお、この際における基本層(A)と3-ヒドロキシ安息香酸(B)のモル比(B/A)は2/1であった。
最後に、上記沈殿物を回収した後90℃で20時間乾燥し、粉砕することによって3-ヒドロキシ安息香酸がインターカレートされた実施例26の層状複水酸化物を得た。
3-ヒドロキシ安息香酸をp-アミノ安息香酸6gに変更した以外は実施例26と同様にして実施例27の層状複水酸化物を得た。なお、この際における基本層(A)とp-アミノ安息香酸(B)のモル比(B/A)は2/1であった。
3-ヒドロキシ安息香酸をペンタン酸6gに変更した以外は実施例26と同様にして実施例28の層状複水酸化物を得た。なお、この際における基本層(A)とペンタン酸(B)のモル比(B/A)は4/1であった。
3-ヒドロキシ安息香酸をドデカン酸6gに変更した以外は実施例26と同様にして実施例29の層状複水酸化物を得た。なお、この際における基本層(A)とドデカン酸(B)のモル比(B/A)は2/1であった。
3-ヒドロキシ安息香酸をドデカン酸3gに変更した以外は実施例26と同様にして実施例30の層状複水酸化物を得た。なお、この際における基本層(A)とドデカン酸(B)のモル比(B/A)は1/1であった。
3-ヒドロキシ安息香酸をテトラデカン酸6gに変更した以外は実施例26と同様にして実施例31の層状複水酸化物を得た。なお、この際における基本層(A)とテトラデカン酸(B)のモル比(B/A)は1/1であった。
3-ヒドロキシ安息香酸をヘキサデカン酸6gに変更した以外は実施例26と同様にして実施例32の層状複水酸化物を得た。なお、この際における基本層(A)とヘキサデカン酸(B)のモル比(B/A)は1/1であった。
3-ヒドロキシ安息香酸をオクタデカン酸6gに変更した以外は実施例26と同様にして実施例33の層状複水酸化物を得た。なお、この際における基本層(A)とオクタデカン酸(B)のモル比(B/A)は2/1であった。
3-ヒドロキシ安息香酸をオクタデカン酸3gに変更した以外は実施例26と同様にして実施例34の層状複水酸化物を得た。なお、この際における基本層(A)とオクタデカン酸(B)のモル比(B/A)は1/1であった。
3-ヒドロキシ安息香酸をドコサン酸6gに変更した以外は実施例26と同様にして実施例35の層状複水酸化物を得た。なお、この際における基本層(A)とドコサン酸(B)のモル比(B/A)は1/1であった。
3-ヒドロキシ安息香酸をイソオクタデカン酸6gに変更した以外は実施例26と同様にして実施例36の層状複水酸化物を得た。なお、この際における基本層(A)とイソオクタデカン酸(B)のモル比(B/A)は2/1であった。
3-ヒドロキシ安息香酸をイソオクタデカン酸3gに変更した以外は実施例26と同様にして実施例37の層状複水酸化物を得た。なお、この際における基本層(A)とイソオクタデカン酸(B)のモル比(B/A)は1/1であった。
3-ヒドロキシ安息香酸を4-アミノ酪酸6gに変更した以外は実施例26と同様にして実施例38の層状複水酸化物を得た。なお、この際における基本層(A)と4-アミノ酪酸(B)のモル比(B/A)は4/1であった。
3-ヒドロキシ安息香酸を6-アミノヘキサン酸6gに変更した以外は実施例26と同様にして実施例39の層状複水酸化物を得た。なお、この際における基本層(A)と6-アミノヘキサン酸(B)のモル比(B/A)は3.3/1であった。
3-ヒドロキシ安息香酸をトラネキサム酸6gに変更した以外は実施例26と同様にして実施例40の層状複水酸化物を得た。なお、この際における基本層(A)とトラネキサム酸(B)のモル比(B/A)は2.7/1であった。
3-ヒドロキシ安息香酸をピコリン酸6gに変更した以外は実施例26と同様にして実施例41の層状複水酸化物を得た。なお、この際における基本層(A)とピコリン酸(B)のモル比(B/A)は3.5/1であった。
3-ヒドロキシ安息香酸をタウリン6gに変更した以外は実施例26と同様にして実施例42の層状複水酸化物を得た。なお、この際における基本層(A)とタウリン(B)のモル比(B/A)は3.5/1であった。
3-ヒドロキシ安息香酸をピロリドンカルボン酸6gに変更した以外は実施例26と同様にして実施例43の層状複水酸化物を得た。なお、この際における基本層(A)とピロリドンカルボン酸(B)のモル比(B/A)は3.3/1であった。
3-ヒドロキシ安息香酸をN-ラウロイルサルコシン酸ナトリウム6gに変更した以外は実施例26と同様にして実施例44の層状複水酸化物を得た。なお、この際における基本層(A)とN-ラウロイルサルコシン酸ナトリウム(B)のモル比(B/A)は1.5/1であった。
3-ヒドロキシ安息香酸をフェノールスルホン酸6gに変更した以外は実施例26と同様にして実施例45の層状複水酸化物を得た。なお、この際における基本層(A)とフェノールスルホン酸(B)のモル比(B/A)は2/1であった。
3-ヒドロキシ安息香酸をパラトルエンスルホン6gに変更した以外は実施例26と同様にして実施例46の層状複水酸化物を得た。なお、この際における基本層(A)とパラトルエンスルホン酸(B)のモル比(B/A)は2.5/1であった。
熱分解物の量を10.1gに、安息香酸を酢酸マグネシウム四水和物6.3gに変更して水酸化ナトリウムを用いずに水に溶解した以外は実施例7と同様にして比較例1の層状複水酸化物を得た。なお、この際における基本層(A)と酢酸マグネシウム(B)のモル比(B/A)は1/1であった。
熱分解物の量を5.3gに、安息香酸をトルエンスルホン酸5.9gに変更した以外は実施例12と同様にして比較例2の層状複水酸化物を得た。なお、この際における基本層(A)とトルエンスルホン酸(B)のモル比(B/A)は2/1であった。
インターカレート処理をする前のZn-Mg-Al系炭酸型LDHの熱分解物(実施例12の層状複水酸化物に用いる熱分解物)を比較例3の層状複水酸化物とした。
(比較例4)
熱分解物を行う前のZn-Mg-Al系炭酸型LDHを比較例4の層状複水酸化物とした。
pHの測定については、各実施例および各比較例の層状複水酸化物を純水に1重量%分散した際のpHを測定することによって行った。結果を表1、表2に示す。
臭気の評価については、各実施例および各比較例の層状複水酸化物の臭気を男女5名ずつの計10名による官能評価によって行った。結果を表1、表2に示す。
撥水性の評価については以下の手順によって行った。結果を表1、表2に示す。
1)メスシリンダーに水を50ml入れる。
2)1)のメスシリンダーに層状複水酸化物1.0gを投入する。
3)2)のメスシリンダーの開口を手で押さえて10回上下を逆さにして撹拌する。
4)撹拌後メスシリンダーを静置した状態で層状複水酸化物が水中に分散することなく水面上に浮いた状態となっているか(撥水性を有しているか)否かを観察する。
不飽和脂肪酸の吸着性(皮脂成分の選択的吸着能)の評価については以下の方法によって行った。
まず、10mlのサンプル管に各実施例および各比較例の層状複水酸化物を0.5g秤量し、油脂を1.5g添加した後、ペンシルミキサーを用いて5分間撹拌することによって試料を作製した。
次に、各試料の5分後の流動性を以下の基準によって評価することによって行った。なお、油脂としては、オレイン酸、トリオレイン、スクアレン、トリ(カプリル酸/カプリン酸)グリセリル、トリ(2-エチルヘキサン酸)グリセリル、流動パラフィンを用いた。結果を表1、表2に示す。
[評価基準]
◎:2分後において既に流動性なし、固化
○:流動性なし、固化
△:流動性あり、増粘あり
×:流動性あり、増粘なし
次に、各実施例および比較例2~4の層状複水酸化物を用いてパウダーファンデーションを作製し、肌に適用した際のテカリの有無について男女5名ずつの計10名による官能評価によって評価した。具体的には、各評価者の肌のテカリを点数化(テカリが生じなかった評価者を1点、テカリが生じた評価者を0点)することによって評価した。なお、パウダーファンデーションについては表3に示す配合にて、まずA成分の粉体とB成分の液体を別々に作製した後、A成分の粉体にB成分の液体を少しずつ加えることによって作製した。結果を表4および表5に示す。なお、比較例1については、酢酸臭が強いため本評価は行わなかった。
一方、比較例2~4の層状複水酸化物は不飽和脂肪酸(オレイン酸)の吸着能が低いことから、化粧料とした場合(比較例5~7)においてもテカリの発生を有効に防止することができないという結果となった。
Claims (6)
- M(II)1-XM(III)X(OH)2
(式中、M(II)は1種または2種の2価の金属、M(III)は3価の金属、xは0.2~0.33である。)で表される金属複水酸化物からなる基本層と、
前記基本層間にインターカレートされた中間層および層間水とから構成され、
前記中間層が、
下記の化1または化2で表わされる化合物であることを特徴とする不飽和脂肪酸を選択的に吸着する層状複水酸化物。
[化1]
R1-COOH
(R1は、脂肪族炭化水素基、置換脂肪族炭化水素基、芳香族炭化水素基、置換芳香族炭化水素基、複素環基、置換複素環基から選択される1種または2種以上の置換基を示す。)
[化2]
R2-SO3H
(R2は、脂肪族炭化水素基、置換脂肪族炭化水素基、芳香族炭化水素基、置換芳香族炭化水素基、複素環基、置換複素環基から選択される1種または2種以上の置換基を示す。)
- 前記M(II)がZnであり、
前記M(III)がAlであることを特徴とする請求項1に記載の層状複水酸化物。
- 前記M(II)がMgおよびZnであり、
前記M(III)がAlであることを特徴とする請求項1に記載の層状複水酸化物。
- 前記化1で表わされる化合物が、
サリチル酸、ヒドロキシ安息香酸、アミノ安息香酸、メトキシ安息香酸、ペンタン酸、ドデカン酸、オクタデカン酸、ドコサン酸、イソペンタン酸、イソドデカン酸、イソオクタデカン酸、4-アミノ酪酸、6-アミノヘキサン酸、トラネキサム酸、ピコリン酸、タウリン、ピロリドンカルボン酸、 N-ラウロイルサルコシン酸ナトリウムから選択される1種または2種以上の化合物であることを特徴とする請求項1から請求項3のいずれか一項に記載の層状複水酸化物。
- 前記化2で表わされる化合物が、
フェノールスルホン酸またはパラトルエンスルホン酸であることを特徴とする請求項1から請求項3のいずれか一項に記載の層状複水酸化物。
- 請求項1から請求項5のいずれか一項に記載の層状複水酸化物を配合したことを特徴とする化粧料。
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EP14798638.4A EP2998274A4 (en) | 2013-05-13 | 2014-04-11 | Layered double hydroxide capable of adsorbing unsaturated fatty acids selectively, and cosmetic produced using said layered double hydroxide |
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CN201480027098.8A CN105209389A (zh) | 2013-05-13 | 2014-04-11 | 选择性地吸附不饱和脂肪酸的层状双氢氧化物及使用了该层状双氢氧化物的化妆品 |
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WO2020012649A1 (ja) * | 2018-07-13 | 2020-01-16 | 共栄社化学株式会社 | 層状複水酸化物及び樹脂複合材料組成物 |
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JP6309044B2 (ja) | 2018-04-11 |
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EP2998274A1 (en) | 2016-03-23 |
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