Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/37—Mixtures of compounds all of which are anionic
• • 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
• • 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
  • A61Q19/10—Washing or bathing preparations
• • 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
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
  • A61K2800/59—Mixtures
  • A61K2800/592—Mixtures of compounds complementing their respective functions
  • A61K2800/5922—At least two compounds being classified in the same subclass of A61K8/18
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
  • A61K2800/59—Mixtures
  • A61K2800/596—Mixtures of surface active compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/04—Carboxylic acids or salts thereof
  • C11D1/10—Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates thereof

Definitions

• the present invention relates to cleaning compositions.
• Alkyl sulfate ester salts and polyoxy acids as surfactant incorporated in liquid detergents such as face wash, body wash and hair shampoo, because of high solubility and good foaming in weakly acidic area (pH equivalent to skin)
• Anionic surfactants such as ethylene alkyl ether sulfates and alkyl benzene sulfonates are widely used.
• anionic surfactants had slow bubbling and were irritant to the skin.
• N-acyl acidic amino acid which is a carboxylic acid type anionic surfactant, has low irritation and high safety, and is used as a detergent having a good feel after use (Patent Document 1).
• N-acyl acidic amino acids have problems that they are large in foam and creamy foam is difficult to form, and that they are easily precipitated at low pH because they are carboxylic acid type anionic surfactants.
• N-acylglutamic acid which is a kind of N-acyl acidic amino acid
• Patent Documents 2 and 3 reports of studies in which the fatty acid composition is adjusted to improve the function of N-acylglutamic acid.
• Patent Documents 2 and 3 reports of studies in which the fatty acid composition is adjusted to improve the function of N-acylglutamic acid.
• those reports relate to powdery, granular, and creamy detergents, and there have been no reports on the improvement of stability and lathering improvement of liquid detergents, and there is no precipitation even at low pH and the quality is stable.
• An object of the present invention is to provide a detergent composition using an N-acyl acidic amino acid having excellent solubility even at low pH, good storage stability, and satisfactory foaming and foam quality. .
• the detergent composition containing the composition, wherein the content of the component (B) is higher than the content of the component (C), is excellent in solubility even when the pH is low (that is, the acidic side).
• the detergent composition is a commodity frequently used frequently and frequently among various applications in a wide range of fields such as various industrial products and foods, and is high in the feeling of use It is believed to be particularly suitable for use as a cosmetic with a need.
• the present invention is as follows. [1] containing the following components (A), (B), and / or (C),
• the weight ratio (A / B) of component (A) to component (B) is 0.01 to 0.80
• the weight ratio (C / B) of component (C) to component (B) is 0.00 to 0.32
• Detergent composition (A) N-unsaturated acyl acidic amino acid (wherein unsaturated acyl is linear acyl having 8 to 20 carbon atoms); (B) N-saturated acyl acidic amino acids (wherein saturated acyl is linear acyl of 8 to 14 carbon atoms); and (C) N-saturated acyl acidic amino acids (where saturated acyl is , C 16-20 linear acyl).
• the detergent composition of the present invention is excellent in solubility even at low pH, has excellent storage stability, and can exert an effect of having satisfactory lathering and lather quality.
• the cleaning composition of the present invention is particularly suitable for use as a cosmetic because it has good application to the skin.
• the present invention provides the following components (A), (B), and / or (C): (A) N-unsaturated acyl acidic amino acid (wherein unsaturated acyl is linear acyl having 8 to 20 carbon atoms); (B) N-saturated acyl acidic amino acids (wherein saturated acyl is linear acyl of 8 to 14 carbon atoms); and (C) N-saturated acyl acidic amino acids (where saturated acyl is , Linear acyl having 16 to 20 carbon atoms) And a detergent composition (hereinafter simply referred to as "composition").
• composition a detergent composition
• a linear acyl having n carbon atoms refers to an acyl represented by C n-1 H m -CO- (a hydrogen atom may be substituted).
• m 2 n -1
• m is appropriately determined according to the number of carbon atoms and the number of unsaturations.
• N-acyl acidic amino acid (wherein acyl is linear acyl having n carbon atoms)” as a free form is C n-1 H m —CO—NH— compounds represented by the CHR-COOH (hydrogen atom represented by H m is optionally substituted .m is .R are as defined above. showing a side chain of an acidic amino acid) refers to. That is, “N-acyl acidic amino acid” refers to a compound in which one hydrogen atom on the amino group of the acidic amino acid is substituted with acyl.
• N-saturated acyl acidic amino acid refers to an N-acyl acidic amino acid when acyl is a saturated acyl
• N-unsaturated acyl acidic amino acid refers to N- when an acyl is unsaturated acyl.
• the “N-acyl acidic amino acid” may be a free form of the N-acyl acidic amino acid or a salt of the N-acyl acidic amino acid.
• Salts of N-acyl acidic amino acids include, for example, inorganic salts and organic salts.
• Inorganic salts include, for example, salts of metals (eg, monovalent metals such as lithium, sodium, potassium, rubidium and cesium, and divalent metals such as calcium, magnesium and zinc), and inorganic bases (examples) , Ammonia) salts.
• examples of the organic salt include salts of organic bases (eg, ethylene diamine, propylene diamine, ethanolamine, monoalkyl ethanolamine, dialkyl ethanolamine, diethanolamine, triethanolamine, lysine, arginine, histidine, ornithine).
• the N-acyl acidic amino acid may be shown as being derived from a fatty acid represented by C n-1 H m -COOH or a derivative thereof for convenience.
• C n straight-chain acyl and fatty acids derived therefrom and the like may be denoted by “C n”.
• “lauroyl acidic amino acid (C12)” is a compound wherein one hydrogen atom on the amino group of the acidic amino acid is substituted with a lauroyl group which is an acyl group derived from lauric acid (C12) (C 11 H 23 CO—NH—CHR—COOH, where R represents the side chain of the acidic amino acid.
• the N-acyl acidic amino acid is, for example, a fatty acid derivative represented by C n-1 H m -COX (X is any monovalent group such as fluorine, chlorine, It can be obtained by reacting bromine and halogen atoms selected from the group consisting of iodine and salts of acidic amino acids (salts include, for example, the above-mentioned inorganic salts and organic salts).
• X is any monovalent group such as fluorine, chlorine, It can be obtained by reacting bromine and halogen atoms selected from the group consisting of iodine and salts of acidic amino acids (salts include, for example, the above-mentioned inorganic salts and organic salts).
• N-unsaturated acyl acidic amino acid of the component (A) for example, N-monounsaturated acyl acidic amino acid, N-diunsaturated acyl acidic amino acid, N-triunsaturated acyl acidic amino acid, N-tetra unsaturated acyl amino acid There are acidic amino acids and N-pentaunsaturated acyl acidic amino acids.
• the unsaturated acyl of the N-unsaturated acyl acidic amino acid is a linear acyl having 8 to 20, preferably 16 to 20 carbon atoms.
• Examples of monounsaturated fatty acids from which N-monounsaturated acyl acidic amino acids are derived are myristoleic acid (C14), palmitoleic acid (C16), oleic acid (C18), elaidic acid (C18), and vacenic acid (C18). , Gadeuric acid (C20), and eicosenoic acid (C20).
• diunsaturated fatty acids from which the N-diunsaturated acyl acidic amino acid is derived include linoleic acid (C18) and eicosadienoic acid (C20).
• triunsaturated fatty acids from which the N-triunsaturated acyl acidic amino acid is derived include ⁇ -linolenic acid (C18), ⁇ -linolenic acid (C18), and pinolenic acid (C18).
• tetraunsaturated fatty acids from which the N-tetraunsaturated acyl acidic amino acid is derived include stearidonic acid (C18), arachidonic acid (C20), and eicosatetraenoic acid (C20).
• Examples of pentaunsaturated fatty acids from which the N-pentaunsaturated acyl acidic amino acid is derived include boseopentaenoic acid (C18) and eicosapentaenoic acid (C20).
• the N-unsaturated acylacidic amino acid of component (A) is most preferably an N-oleoyl acidic amino acid.
• N-saturated acyl acidic amino acid (wherein saturated acyl is linear acyl having 8 to 14 carbon atoms) of the component (B) include capryloyl acidic amino acid (C8) and caproyl acidic amino acid (C8) C10), lauroyl acidic amino acid (C12), and myristoyl acidic amino acid (C14).
• Component (B) may be one N-saturated acyl acidic amino acid or may contain two or more N-saturated acyl acidic amino acids.
• the component (B) may contain one or more selected from the group consisting of N-capryloyl acidic amino acid, N-caproyl acidic amino acid, N-lauroyl acidic amino acid, and N-myristoyl acidic amino acid.
• Component (B) preferably contains N-lauroyl acidic amino acid and / or N-myristoyl acidic amino acid.
• the total content of N-lauroyl acidic amino acid and N-myristoyl acidic amino acid in component (B) is, for example, 50% by weight or more, preferably 60% by weight or more, more preferably 70% by weight or more, and still more preferably 75 It may be at least by weight, even more preferably at least 80% by weight, particularly preferably at least 85% by weight.
• the total content of N-lauroyl acidic amino acid and N-myristoyl acidic amino acid in component (B) is, for example, 50 to 100% by weight, preferably 60 to 100% by weight, more preferably 70 to It may be 100% by weight, even more preferably 75 to 100% by weight, still more preferably 80 to 100% by weight, particularly preferably 85 to 100% by weight.
• N-saturated acyl acidic amino acid of component (C) examples include, for example, palmitoyl acidic amino acid (C16) and stearoyl acidic amino acid (C16) C18).
• Component (C) may be one N-saturated acyl acidic amino acid or may contain two or more N-saturated acyl acidic amino acids. That is, the component (C) may contain N-palmitoyl acidic amino acid and / or N-stearoyl acidic amino acid.
• the “acidic amino acid” in the "N-acyl acidic amino acid” refers to an amino acid having an acidic side chain.
• acidic amino acids include glutamic acid and aspartic acid.
• the weight ratio (A / B) of the component (A) to the component (B) is at least 0.01, preferably 0.02, from the viewpoint of improving the solubility at low pH by the component (A), etc.
• the above may be more preferably 0.03 or more, and still more preferably 0.04 or more.
• the weight ratio of the component (A) to the component (B) (A / B) is also the suppression of the reduction in foaming due to the high content of the component (A), and the foaming due to the high content of the component (B) From the viewpoint of speed and contribution to solution stability etc., it may be 0.80 or less, preferably 0.60 or less, more preferably 0.40 or less, still more preferably 0.35 or less .
• the weight ratio (A / B) of component (A) to component (B) is 0.01 to 0.80, preferably 0.02 to 0.60, more preferably 0. .03 to 0.40, and even more preferably 0.04 to 0.35.
• the weight ratio (A / B) of the component (A) to the component (B) is preferably 0.05 or more, more preferably 0.06 or more, still more preferably It may be 0.07 or more, particularly preferably 0.08 or more.
• the weight ratio (A / B) of the component (A) to the component (B) is preferably 0.30 or less, more preferably 0.25 or less, still more preferably 0.
• the weight ratio (A / B) of the component (A) to the component (B) is preferably 0.05 to 0.30, more preferably 0.06 to 0.25, Still more preferably, it may be 0.07 to 0.20, particularly preferably 0.08 to 0.15.
• the weight ratio (C / B) of component (C) to component (B) may be 0.00 or more. When the weight ratio (C / B) of component (C) to component (B) is 0.00, component (C) is not included. From the viewpoint of contribution to the improvement of foam quality (density) of the component (C), etc., preferably 0.01 or more, more preferably 0.02 or more, still more preferably 0.04 or more, particularly preferably 0.05 or more It may be The weight ratio (C / B) of the component (C) to the component (B) also suppresses the decrease in stability due to precipitation when the content of the component (C) is large, the content of the component (B) From the viewpoint of the speed of foaming and the contribution to solution stability etc., it is 0.32 or less, preferably 0.30 or less, more preferably 0.27 or less, still more preferably 0.24 or less.
• the weight ratio (C / B) of component (C) to component (B) is 0.00 to 0.32, preferably 0.01 to 0.30, and more preferably 0. It may be from 0.2 to 0.27, even more preferably from 0.04 to 0.24, particularly preferably from 0.05 to 0.21.
• the weight ratio (C / B) of the component (C) to the component (B) is from 0.00 to 0. 32, preferably 0.00 to 0.30, more preferably 0.00 to 0.27, still more preferably 0.00 to 0.24, particularly preferably 0.00 to 0.21. It is also good.
• the detergent composition of the present invention may contain the components (A), (B) and / or (C) in an aqueous medium.
• Any water-soluble solvent can be used as the water-soluble medium.
• the water-soluble medium includes, for example, an aqueous solution.
• the aqueous solution may or may not have a buffering capacity.
• As the aqueous solution for example, water (eg, distilled water, sterile distilled water, purified water, physiological saline), phosphate buffer, Tris-hydrochloric acid buffer, TE (Tris-EDTA) buffer, carbonate buffer, borax Acid buffer, tartaric acid buffer, glycine buffer, citrate buffer, acetate buffer may be mentioned.
• the content of the component (A) is not particularly limited as it varies depending on the type and concentration of other components contained in the composition of the present invention and various conditions such as pH, but it is not particularly limited. From the viewpoint of, for example, improvement of solubility, it may be, for example, 1% by weight or more, preferably 2% by weight or more, and more preferably 3% or more.
• the content of the component (A) may also be, for example, 25% by weight or less, preferably 23% by weight or less, and more preferably 22% by weight or less, from the viewpoint that foaming will decrease when contained in a large amount. More specifically, the content of component (A) may be, for example, 1 to 25% by weight, preferably 2 to 23% by weight, and more preferably 3 to 22% by weight.
• the content of the component (B) is not particularly limited as it varies depending on the type and concentration of other components contained in the composition of the present invention and various conditions such as pH, etc. From the viewpoint of contribution to solution stability etc., it may be, for example, 60% by weight or more, preferably 65% by weight or more, and more preferably 70% or more.
• the content of component (B) may also be, for example, 99 wt% or less, preferably 97 wt% or less, more preferably 95 wt% or less. More specifically, the content of component (B) may be, for example, 60 to 99% by weight, preferably 65 to 97% by weight, and more preferably 70 to 95% by weight.
• the content of the component (C) is not particularly limited as it varies depending on the type and concentration of other components contained in the composition of the present invention and various conditions such as pH, but it is not less than 0% by weight It may be When the content of the component (C) is 0% by weight, the component (C) is not included. From the viewpoint of contribution to foam quality (density) improvement, for example, it may be 0.1% by weight or more, preferably 1% by weight or more, and more preferably 5% or more.
• the content of the component (C) is also, for example, 20% by mass or less, preferably 18% by mass or less, more preferably 16% by mass or less from the viewpoint that the stability is lowered by precipitation when contained in a large amount. Good. More specifically, the content of the component (C) may be, for example, 0 to 20% by weight, preferably 1 to 18% by weight, and more preferably 5 to 16% by weight.
• the composition of the present invention is preferably weakly acidic from the viewpoint of storage stability by suppression of germ growth (preservative action) and mildness to the skin with a pH equivalent to that of the skin (weakly acidic).
• the pH of the composition of the present invention may be, for example, 4.0 to 7.0, preferably 4.5 to 7.0 from the viewpoint of achieving a pH equivalent to that of the skin, more preferably May be 4.8 to 6.5. Since the composition of the present invention is excellent in solubility even at low pH, precipitation is suppressed, and also in this respect, storage stability is excellent. Furthermore, in general, anionic surfactants tend to reduce foaming at lower pH, but the composition of the present invention has better foaming even at low pH.
• the pH can be adjusted using a pH adjuster.
• pH adjusters examples include aqueous solutions (buffer solutions) as described above, acidic substances (eg, hydrochloric acid, sulfuric acid, nitric acid, citric acid), alkaline substances (eg, alkali metals such as sodium and potassium, alkalis such as calcium) Earth metal hydroxides).
• acidic substances eg, hydrochloric acid, sulfuric acid, nitric acid, citric acid
• alkaline substances eg, alkali metals such as sodium and potassium, alkalis such as calcium
• compositions of the invention may also contain other ingredients such as additional cleaning ingredients, polyhydric alcohols, thickeners, stabilizers, preservatives, perfumes, dyes and the like.
• additional cleaning ingredients polyhydric alcohols, thickeners, stabilizers, preservatives, perfumes, dyes and the like.
• additional cleaning ingredients polyhydric alcohols, thickeners, stabilizers, preservatives, perfumes, dyes and the like.
• the specific types and amounts of these components can be set as appropriate.
• additional cleaning components include anionic surfactants, amphoteric surfactants, surfactants such as nonionic surfactants, and microsolids (eg, microspheres, scrubs).
• the anionic surfactant comprises one or more anionic groups.
• an anionic group a carboxyl group, a sulfonic acid group, a sulfuric acid group, and a phosphoric acid group are mentioned, for example.
• the anionic surfactant for example, higher fatty acid, N-acyl amino acid, N-acyl taurine, alkyl ether carboxylic acid, alkyl phosphoric acid, polyoxyethylene alkyl ether phosphoric acid, alkyl sulfuric acid, polyoxyethylene alkyl ether sulfuric acid, Sulfonic acid compounds having an alkyl chain, and salts thereof are included.
• Amphoteric surfactants comprise one or more anionic groups as described above and one or more cationic groups.
• a cationic group an ammonium group, a primary amino group, a secondary amino group, a tertiary amino group, a quaternary amino group is mentioned, for example.
• amphoteric surfactant for example, an amidobetaine type amphoteric surfactant, a betaine acetate type amphoteric surfactant, a sulfobetaine type amphoteric surfactant, and an imidazoline type amphoteric surfactant (eg, lauroamphoacetic acid or a salt thereof) It can be mentioned.
• nonionic surfactants include alkyl polyglucosides in which a sugar and a higher alcohol are glycosidically linked.
• polyhydric alcohols examples include dihydric alcohols (eg, ethylene glycol, propylene glycol, 1,3-propanediol, 1,2-butylene glycol, 1,3-butylene glycol, 2,3-butylene glycol, 1, 4-butanediol, 2-butene-1,4-diol, 1,5-pentanediol, 1,2-pentanediol, isoprene glycol, hexylene glycol, diethylene glycol, dipropylene glycol, monoglyceride (monoacylglycerol), Trihydric alcohols (eg, glycerin, trimethylolpropane, 1,2,6-hexanetriol), tetrahydric alcohols (eg, diglycerin, pentaerythritol), higher valence alcohols, and salts thereof (eg, the above) Inorganic salt like Fine organic salts), and the like.
• dihydric alcohols eg
• higher valence alcohols include sugar alcohols that may be substituted (eg, monosaccharide alcohols such as sorbitol, mannitol, sucrose, glucose, and mannose, disaccharide alcohols such as trehalose, hyaluronic acid, xanthan gum, etc. And polyalcohols of di- to tetrahydric alcohols as described above (eg, polyglycols, polyglycerins), and salts thereof (eg, inorganic salts and organic salts as described above).
• the polyhydric alcohol may preferably be a di- to tetra-hydric alcohol, more preferably a di- or tri-hydric alcohol.
• a thickener for example, carrageenan, dextrin, methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, polyacrylic acid, polymethacrylic acid, carboxyvinyl polymer (carbomer), (acrylic acid / alkyl acrylate ( C10-30)) copolymers, such as xanthan gum.
• the stabilizer examples include ascorbic acid, sodium metabisulfite and EDTA.
• preservatives examples include ethyl parahydroxybenzoate, sodium benzoate, salicylic acid, sorbic acid, parabens (such as methyl paraben and propyl paraben), and sodium bisulfite.
• Perfumes include, for example, natural perfumes and synthetic perfumes. Natural flavors include, for example, rose oil, jasmine oil, neroli oil, lavender oil, ylang ylang oil, tuberose oil, clary sage oil, clove oil, peppermint oil, geranium oil, patchouli oil, sandalwood oil, cinnamone oil, coriander oil And nutmeg oil, pepper oil, lemon oil, orange oil, bergamot oil, opoponax oil, vetiver oil, orris oil, and oak moss oil.
• Synthetic perfumes include, for example, limonene (orange), ⁇ -caryophyllene (Woody), cis-3-hexenol (fresh green young leaf), linalool (silklan), farnesol (floral with fresh green note), ⁇ -phenylethyl alcohol (Rose), 2,6-nonadienal (violet, cucumber), citral (lemon), ⁇ -hexyl cinnamic aldehyde (jasmin), ⁇ -ionone (dilute to violet), ⁇ -carvone (spearmint), cyclopentadecanone (Musk), linalyl acetate (bergamot, lavender), benzyl benzoate (balsam), ⁇ -undecalactone (peach), eugenol (clove), rose oxide (green floral), indole (when diluted, jasmine), phenylaceto Aldehyde dimethyl acetal
• the pigment examples include organic pigments (eg, red pigment such as red No. 201, blue pigment such as blue No. 404, orange pigment such as orange No. 203, yellow pigment such as yellow No. 205, green pigment such as green No. 3) Organic lake pigments such as zirconium lake, natural pigments such as chlorophyll, and inorganic pigments (eg, white pigments such as titanium oxide, colored pigments such as iron oxide, extender pigments such as talc, pearl pigments such as mica) Be
• organic pigments eg, red pigment such as red No. 201, blue pigment such as blue No. 404, orange pigment such as orange No. 203, yellow pigment such as yellow No. 205, green pigment such as green No.
• Organic lake pigments such as zirconium lake
• natural pigments such as chlorophyll
• inorganic pigments eg, white pigments such as titanium oxide, colored pigments such as iron oxide, extender pigments such as talc, pearl pigments such as mica
• composition of the present invention can be provided in various forms such as liquid, gel, paste, cream and foam.
• the composition of the present invention can be made into any form of cosmetic which can be applied to, for example, skin, hair, scalp and the like according to a conventional method.
• the cosmetic composition of the present invention is suitable, for example, as a cleansing agent for animals such as humans, for use in body shampoo, hand soap, face wash, cleansing lotion, cleansing cream, massage cream, shampoo for hair and the like.
• Preferred properties (eg, pH) of the cosmetic of the present invention are similar to those of the composition of the present invention described above.
• N-acyl glutamic acid Acid chloride consisting of a mixture of each fatty acid composition and glutamate salt in a reaction amount are sufficiently reacted under basic conditions, and after completion of the reaction, acid is added and crystallized, and after filtration and drying steps, powdered N -Obtained acyl glutamic acid. In addition, it was confirmed that the obtained N-acylglutamic acid was sufficiently reacted by HPLC.
• each N-acyl glutamic acid obtained as described in the preparation example is neutralized with an aqueous sodium hydroxide solution to obtain an aqueous N-acyl glutamate aqueous solution.
• the obtained aqueous solution was adjusted to pH 4.5 and a concentration of 10 wt% to obtain a detergent composition.
• the resulting detergent composition was used for the test. The results are shown in Table 1.
• each N-acyl glutamic acid obtained as described in the preparation example is neutralized with an aqueous solution of sodium hydroxide to obtain N-acyls.
• a 25% aqueous solution of sodium glutamate was obtained.
• the raw materials containing sodium N-acyl glutamate described in Table 2 were mixed by stirring at 80 ° C., and then gradually cooled to room temperature to adjust to pH 5.0 to obtain a detergent composition.
• the resulting detergent composition was loaded into a pump former container and used for testing. The results are shown in Table 2.
• Bingham yield value (Pa) was evaluated according to the following criteria. (Generally, high Bingham yield value is reported as a foam with sticky stiffness.) a: Bingham yield value is 10.1 Pa or more b: Bingham yield value is 7.6 to 10.0 Pa c: Bingham yield value is 5.1 to 7.5 Pa d: Bingham yield value is 5.0 Pa or less

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• 2018
  • 2018-11-02 JP JP2019550495A patent/JP7338471B2/ja active Active
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