WO2010032690A1 - パール光沢組成物の製造方法 - Google Patents
パール光沢組成物の製造方法 Download PDFInfo
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- WO2010032690A1 WO2010032690A1 PCT/JP2009/065939 JP2009065939W WO2010032690A1 WO 2010032690 A1 WO2010032690 A1 WO 2010032690A1 JP 2009065939 W JP2009065939 W JP 2009065939W WO 2010032690 A1 WO2010032690 A1 WO 2010032690A1
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- fatty acid
- pearly luster
- crystallization
- luster composition
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Classifications
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/40—Dyes ; Pigments
- C11D3/42—Brightening agents ; Blueing agents
-
- 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
-
- 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
- A61K8/37—Esters of carboxylic acids
- A61K8/375—Esters of carboxylic acids the alcohol moiety containing more than one hydroxy group
-
- 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
- A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
-
- 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
- A61K8/42—Amides
-
- 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
- A61K8/463—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
-
- 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
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- 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
- C11D1/66—Non-ionic compounds
- C11D1/74—Carboxylates or sulfonates esters of polyoxyalkylene glycols
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0089—Pearlescent compositions; Opacifying agents
-
- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2093—Esters; Carbonates
Definitions
- the present invention relates to a method for producing a pearly luster composition. More specifically, the present invention relates to a method for producing a pearly luster composition that can be suitably used to increase the added value of shampoos, rinses, body shampoos, liquid detergents and the like.
- bases that give pearly luster have been used to increase the added value of shampoos, rinses, body shampoos, cosmetics, liquid detergents, etc., and are the main ingredients for imparting pearly luster in pearly luster compositions.
- fatty acid glycol esters, fatty acid monoalkylolamides, fatty acids and the like are known (see Patent Document 1).
- fatty acid glycol esters have been studied in various ways as the main component in pearly luster compositions.
- increasing the amount of fatty acid glycol esters to obtain sufficient pearly luster increases the viscosity at room temperature. Sex is reduced. Therefore, a pearly luster composition using a specific nonionic surfactant has been proposed (see Patent Document 2).
- Patent Document 3 discloses a pearly luster concentrate containing an aliphatic compound such as an aliphatic alcohol, a fatty acid monoglyceride, an aliphatic ether, a surfactant, and a polyol instead of the fatty acid glycol ester.
- Patent Document 4 discloses a pearlescent agent concentrate containing a very long chain aliphatic alcohol, a fatty acid monoglyceride, an aliphatic ether and the like.
- the present invention comprises a fatty acid glycol ester, a surfactant, and water, and further includes, as a crystallization additive, (1) fatty acid, (2) fatty alcohol, (3) fatty acid monoglyceride, and (4) A method for producing a pearly luster composition comprising any one selected from the group consisting of aliphatic ethers, comprising a fatty acid glycol ester, a surfactant, water, and a crystallization additive.
- the present invention relates to a method for producing a pearly luster composition comprising a step of cooling a liquid, wherein the representative heat removal rate per unit mass during crystallization in this cooling step is 9 to 36 [W / kg].
- a pearlizing agent composition When blending a pearlizing agent composition in cosmetics, cleaning agents, etc., it is a pearling agent that expresses a sufficient pearl feeling with as little blending as possible, in other words, it is a pearlizing agent with high whiteness, and also has good dispersion stability. An excellent pearlizing agent is required.
- the present invention relates to a method for producing a pearly luster composition having high whiteness while maintaining strong pearly luster and having excellent dispersion stability.
- the pearly luster composition obtained by the method of the present invention has a high whiteness while maintaining a strong pearly luster, so that a sufficient pearly feeling is expressed even with a small amount of blending, and further exhibits excellent dispersion stability. It is.
- the method for producing a pearly luster composition of the present invention is a method for producing a pearly luster composition comprising a fatty acid glycol ester, a surfactant, water, and a specific crystallization additive. Including the step of cooling the molten mixture containing the activator, water, and a specific crystallization additive, and controlling the representative heat removal rate per unit mass during crystallization in this cooling step to a specific range.
- a specific crystallization additive has great features.
- the detailed reason is unknown, but a large amount of fine pearly luster-forming particles containing a fatty acid glycol ester, which is a pearly luster-forming component, is precipitated, has high whiteness, and has excellent dispersion stability. Is obtained.
- the W value shown in Examples described later can be used as a value indicating the whiteness of the pearly luster composition.
- the W value is preferably from 16 to 43, more preferably from 18 to 40, from the viewpoint of imparting gloss.
- fatty acid glycol ester examples include the formula (I): Y—O— (CH 2 CH 2 O) p —COR 1 (I) Wherein R 1 represents a linear or branched saturated or unsaturated hydrocarbon group having 13 to 21 carbon atoms, Y represents a hydrogen atom or —COR 1 (R 1 is as defined above), p Is a number of 1 to 3 and means the average number of moles added).
- R 1 is preferably an alkyl group or alkenyl group having 13 to 21 carbon atoms, and specific examples include a pentadecyl group, a heptadecyl group, a heicosyl group, and the like.
- the fatty acid glycol ester may be either a monocarboxylic acid ester when Y is a hydrogen atom or a dicarboxylic acid ester when Y is —COR 1 as represented by the formula (I). In the dicarboxylic acid ester, R 1 may be the same or different.
- the fatty acid glycol ester preferably has a melting point of 50 ° C. or higher, and is preferably crystalline. Accordingly, the fatty acid glycol ester is more preferably a crystalline one having a melting point of 50 ° C. or more.
- the mixture may be a mixture of each prepared fatty acid glycol ester, which is obtained by reacting a mixture of fatty acids having different alkyl chain lengths and glycol. It may be a mixture of the obtained fatty acid glycol esters.
- the reaction of a mixture of palmitic acid and stearic acid with glycol gives a mixture of ethylene glycol dipalmitate, ethylene glycol monopalmitate, ethylene glycol monostearate, and ethylene glycol distearate.
- the proportion occupied by each fatty acid is preferably 85% by weight or less.
- preferred fatty acid glycol esters in the present invention include ethylene glycol distearate, ethylene glycol dipalmitate, ethylene glycol monostearate, ethylene glycol monopalmitate, and ethylene glycol dibehenate, and A mixture of ethylene glycol dipalmitate, ethylene glycol monopalmitate monostearate, and ethylene glycol distearate is preferred.
- the content of the fatty acid glycol ester in the pearly luster composition is preferably 15% by weight or more from the viewpoint of imparting pearly luster, and preferably 30% by weight or less from the viewpoint of fluidity. From these viewpoints, the content of the fatty acid glycol ester is preferably 15 to 30% by weight, more preferably 15 to 25% by weight, and further preferably 18 to 25% by weight in the pearly luster composition.
- the surfactant is effective in promoting emulsification of the pearly luster composition, and a nonionic surfactant and an anionic surfactant are preferably used.
- nonionic surfactants include polyoxyalkylene type nonionic surfactants and fatty acid monoalkylolamides.
- the polyoxyalkylene type nonionic surfactant is one having a polyoxyalkylene group such as a polyoxyethylene group or a polyoxypropylene group.
- Specific examples of the polyoxyalkylene type nonionic surfactant include polyoxyalkylene alkyl ether, polyoxyalkylene alkyl phenyl ether, polyoxyalkylene glycol fatty acid ester, polyoxyalkylene fatty acid ester, polyoxyalkylene sorbitan fatty acid ester, polyoxyalkylene Examples thereof include fatty acid monoalkanolamides and polyoxyalkylene fatty acid dialkanolamides, which may be used alone or in combination of two or more.
- R 2 represents a linear or branched saturated or unsaturated hydrocarbon group having 8 to 20 carbon atoms
- R 3 represents an ethylene group or a propylene group
- q represents 1 to 12, preferably 1 to 6.
- the polyoxyalkylene alkyl ether represented by these is preferable.
- R 2 is preferably an alkyl group having 8 to 20 carbon atoms or an alkenyl group having 8 to 20 carbon atoms.
- R 3 include an ethylene group, an n-propylene group, and an isopropylene group.
- q is preferably from 3 to 6.
- the HLB of the polyoxyalkylene type nonionic surfactant is preferably less than 15 and more preferably 9 to 12.5 from the viewpoint of suppressing emulsification of the pearly luster composition and controlling the viscosity.
- HLB is an index indicating a hydrophilic-lipophilic balance.
- the formula by Oda and Teramura et al. HLB ( ⁇ inorganic value / ⁇ organic value) ⁇ 10 It is a value when calculated using.
- the content of the polyoxyalkylene type nonionic surfactant in the pearly luster composition is preferably 0.5% by weight or more from the viewpoint of reducing the viscosity of the pearly luster composition, and 10% by weight from the viewpoint of obtaining good pearly luster.
- the following is preferred. From these viewpoints, the content of the polyoxyalkylene type nonionic surfactant is preferably 0.5 to 10% by weight, more preferably 0.5 to 8% by weight, and further preferably 1 to 5% by weight in the pearly luster composition.
- Fatty acid monoalkylolamide is effective in improving gloss, for example, the formula (III): R 4 CO—NH—R 5 OH (III) (In the formula, R 4 represents a linear or branched saturated or unsaturated hydrocarbon group having 7 to 20 carbon atoms, and R 5 represents an ethylene group or a propylene group) The thing represented by is mentioned.
- R 4 is preferably an alkyl group or alkenyl group having 7 to 20 carbon atoms, and specific examples include an undecyl group, a tridecyl group, a heptadecyl group, and the like.
- R 5 include an ethylene group, an n-propylene group, and an isopropylene group.
- fatty acid monoalkylolamides examples include lauric acid monoethanolamide, lauric acid monopropanolamide, lauric acid monoisopropanolamide, myristic acid monoethanolamide, palmitic acid monoethanolamide, stearic acid monoethanolamide, oleic acid monoethanolamide, Oleic acid monoisopropanolamide, coconut oil fatty acid monoethanolamide, coconut oil fatty acid monopropanolamide, coconut oil fatty acid monoisopropanolamide, coconut plant oil fatty acid monoethanolamide, etc., each alone or in combination of two or more Can be used. Of these, coconut oil fatty acid monoethanolamide, lauric acid monoethanolamide, palmitic acid monoethanolamide, and stearic acid monoethanolamide are preferred.
- the content of the fatty acid monoalkylolamide in the pearly luster composition is preferably 3% by weight or more from the viewpoint of imparting glossiness, and from the viewpoint of suppressing an increase in viscosity of the pearly luster composition and increasing fluidity, 15% by weight. % Or less is preferable. From these viewpoints, the content of the fatty acid monoalkylolamide is preferably 3 to 15% by weight, more preferably 3 to 10% by weight, and further preferably 5 to 10% by weight in the pearly luster composition.
- anionic surfactants include fatty acid salts, alkyl sulfate esters, polyoxyalkylene alkyl ether sulfates, sulfosuccinic acid surfactants, polyoxyalkylene alkyl amide ether sulfates, monoglyceride sulfates, olefin sulfonates, and alkylbenzenes.
- examples include sulfonates, alkane sulfonates, acylated isethionates, acylated amino acids, alkyl phosphates, polyoxyalkylene alkyl ether phosphates, polyoxyalkylene alkyl ether carboxylates, and the like.
- Alkyl sulfate salts are preferred.
- the alkyl sulfate ester salt is, for example, the formula (IV): R 6 —O— (R 7 O) r —SO 3 M (IV) (In the formula, R 6 represents a linear or branched saturated or unsaturated hydrocarbon group having 8 to 20 carbon atoms, R 7 represents an ethylene group or a propylene group, and M represents an alkali metal or alkaline earth metal.
- alkylsulfuric acid ester salts which may have a polyoxyalkylene group represented by the formula:
- R 6 is preferably an alkyl group or alkenyl group having 8 to 20 carbon atoms, and specific examples include a lauryl group, a myristyl group, a palmityl group, and a stearyl group.
- R 7 include an ethylene group, an n-propylene group, and an isopropylene group.
- r is preferably from 0 to 4.
- alkyl sulfate ester salt examples include sodium lauryl sulfate, triethanolamine lauryl sulfate, sodium polyoxyethylene lauryl ether sulfate (average added mole number of ethylene oxide (EO): 1 to 4) and polyoxyethylene lauryl ether sulfate.
- examples include triethanolamine (average added mole number of EO: 1 to 4), and each may be used alone or in combination of two or more.
- the content of the alkyl sulfate ester salt in the pearly luster composition is preferably 5% by weight or more from the viewpoint of uniformly mixing each component, and preferably 15% by weight or less from the viewpoint of fluidity. From these viewpoints, the content of the alkyl sulfate ester salt is preferably 5 to 15% by weight, more preferably 8 to 15% by weight, and still more preferably 8 to 13% by weight.
- the total content of the fatty acid glycol ester and the surfactant in the pearly luster composition is preferably 25 to 70% by weight, more preferably 30 to 60% by weight.
- the water content in the pearly luster composition is preferably 25 to 75% by weight, more preferably 40 to 75% by weight, and even more preferably 50 to 75% by weight from the viewpoint of adjusting the concentration and viscosity of the pearly luster composition.
- any one selected from the group consisting of (1) fatty acid, (2) aliphatic alcohol, (3) fatty acid monoglyceride, and (4) aliphatic ether is used as the crystallization additive.
- the fatty acid is preferably a saturated or unsaturated fatty acid having 8 to 22 carbon atoms and may be linear or branched. From the viewpoint of crystal refinement, fatty acids having 12 to 18 carbon atoms such as lauric acid, myristic acid, palmitic acid and stearic acid are more preferred. These fatty acids may be used alone or in combination of two or more.
- the aliphatic alcohol is preferably a saturated or unsaturated aliphatic alcohol having 8 to 22 carbon atoms, and may be linear or branched. From the viewpoint of crystal refinement, aliphatic alcohols having 12 to 22 carbon atoms such as lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, and behenyl alcohol are more preferable, and aliphatic alcohols having 12 to 18 carbon atoms are more preferable. These aliphatic alcohols may be used alone or in combination of two or more.
- Fatty acid monoglyceride is an ester of glycerol and fatty acid, formula (A):
- R a and R b are hydrogen atom and the other is —COR c (R c represents an alkyl or alkenyl group having 7 to 21 carbon atoms))
- R c represents an alkyl or alkenyl group having 7 to 21 carbon atoms
- the alkyl group and alkenyl group preferably have 11 to 17 carbon atoms, and the alkyl group and alkenyl group may be linear or branched.
- Preferred examples of the fatty acid monoglyceride in the present invention include lauric acid monoglyceride, myristic acid monoglyceride, palmitic acid monoglyceride, stearic acid monoglyceride, behenic acid monoglyceride, palm oil fatty acid monoglyceride, palm kernel oil fatty acid monoglyceride, tallow fatty acid monoglyceride, and mixtures thereof. And a small amount of diglyceride and triglyceride from the production process may be contained.
- the aliphatic ether has the formula (B): R d —O—R e (B) (Wherein R d and R e each independently represents an alkyl or alkenyl group having 8 to 22 carbon atoms)
- R d and R e each independently represents an alkyl or alkenyl group having 8 to 22 carbon atoms
- the compound represented by these is preferable.
- the alkyl group and alkenyl group preferably have 12 to 18 carbon atoms, and the alkyl group and alkenyl group may be linear or branched.
- the aliphatic ether may be a single ether or a mixed ether, and therefore R d and Re may be the same or different from each other.
- Preferred examples of the aliphatic ether in the present invention include dilauryl ether, dimyristyl ether, dicetyl ether, distearyl ether and the like.
- the content of the crystallization additive is preferably 0.3 to 3% by weight, more preferably 0.5 to 2.1% by weight from the viewpoint of preventing gloss deterioration and turbidity reduction due to excessive formation of fine crystals in the pearly luster composition. .
- the content of the crystallization additive is preferably 1 to 20 parts by weight, more preferably 1.5 to 20 parts by weight, still more preferably 1.5 to 15 parts by weight, based on 100 parts by weight of the fatty acid glycol ester. 10 parts by weight is more preferred.
- Fatty acid glycol esters, surfactants, water, crystallization additives, other additives, etc. can be used in the same manner as described above.
- polyoxyalkylenes are used. It is preferable to blend together a type nonionic surfactant.
- the polyoxyalkylene type nonionic surfactant can reduce the viscosity, and not only a strong pearly luster can be obtained without impairing the fluidity, but also the turbidity can be improved.
- the pearly luster composition may further contain a pH adjuster, preservative, salts, alcohols, polyols, and the like as appropriate.
- the molten mixed solution is not particularly limited as long as it can be obtained by a method of melting raw materials such as fatty acid glycol ester and crystallization additive.
- Specific methods include, for example, a method of heating a mixture of raw materials such as a fatty acid glycol ester, a crystallization additive, a surfactant, and water; a mixture containing water and a surfactant, and a fatty acid glycol ester in a molten state And a method of mixing the crystallization additive.
- the fatty acid glycol ester and the crystallization additive may be added to the mixture of both heated and melted, or may be added separately. Is preferred.
- the temperature of the raw material molten mixture is preferably a temperature equal to or higher than the melting point of the fatty acid glycol ester or the crystallization additive, whichever is higher, and is preferably equal to or lower than the boiling point of the mixture. Further, the temperature is preferably 1 to 30 ° C. higher than the higher melting point of the fatty acid glycol ester or the crystallization additive, and more preferably 1 to 20 ° C. higher than the higher melting point.
- the temperature at which the cooling step is completed is preferably less than the melting point of the fatty acid glycol ester from the viewpoint of sufficiently crystallizing the fatty acid glycol ester, more preferably at least 10 ° C. lower than the melting point, and at least 20 ° C. lower than the melting point. Further preferred. Further, a temperature that is 10 ° C. or more lower than the lower melting point of the fatty acid glycol ester or the crystallization additive is preferable, and a temperature that is 20 ° C. lower than the lower melting point is more preferable.
- cooling is preferably gentle cooling with a small temperature distribution.
- the cooling rate is preferably 0.1 to 10 ° C./min, more preferably 0.1 to 5 ° C./min, and further preferably 0.1 to 3 ° C./min.
- ⁇ Cooling is preferably performed with a low temperature distribution.
- a specific method for example, a method of preparing a molten mixed solution in a blending tank attached with a jacket and passing coolant water through the jacket can be cited.
- the fatty acid glycol ester crystallizes and generates heat of crystallization.
- the present invention is characterized by controlling the heat removal rate when this crystallization heat is generated.
- the generation of heat of crystallization is considered to alleviate the degree of supercooling and suppress the progress of crystallization.
- the pearly luster composition having fine crystals has high whiteness while maintaining strong pearly luster, and further has high dispersion stability.
- excessive heat removal produced excessively fine crystals and deteriorated gloss. Therefore, in the present invention, the representative heat removal rate per unit mass at the time of crystallization was found as an index that can easily adjust the progress of crystallization.
- the rate of heat removal during the generation of heat of crystallization changes with time due to temperature changes of the pearly luster composition and the like. Therefore, the intermediate point between the start of crystallization and the end of crystallization is treated as the representative point, and the temperature of the pearly luster composition at the representative point is treated as the representative intermediate temperature, and the heat removal rate at this representative point is obtained.
- the start and end of crystallization can be confirmed by the temperature, stirring current value, electrical conductivity, visual observation, etc. of the pearly luster composition.
- the formula (X) is transmitted as shown in, for example, ⁇ Introduction to Chemical Engineering '' (Atsuo Mizushina, Ryozo Toin, Sangyo Tosho, 1993 (15th printing), page 66). It is a general formula for representing heat.
- a certain time point in the cooling process is set as a starting point (0 seconds), and t 1/2 [seconds] when crystallization starts after elapse of t 1 [seconds] is defined as t 2 [seconds].
- the slope a [° C./s] of the regression line obtained by measuring the temperature of the pearly luster composition from 0 seconds to t 1 seconds every predetermined time represents a cooling rate and takes a negative value.
- the overall heat transfer coefficient U t2 at t 2 [sec] is obtained from the equation (Z-1) using a [° C./s].
- U t2 -aMc / (A ⁇ T t2 ) (Z-1)
- M Blending amount of pearly luster composition [kg]
- c Specific heat of pearly luster composition [J / kg / K]
- A Heat transfer area [m 2 ]
- ⁇ T t2 At t 2 [seconds] Average temperature difference [K]]
- U t2 obtained can be approximated to U in Expression (X).
- the typical heat removal rate per unit mass during crystallization is 9 to 36 [W / kg], preferably 11 to 36 [W / kg]. More preferably, it is 13 to 36 [W / kg].
- the method for controlling the representative heat removal rate within a specific range can be achieved, for example, by appropriately adjusting the temperature of the coolant water passing through the jacket attached to the blending tank. At that time, since the heat removal rate at the time of heat generation of crystallization of the fatty acid glycol ester may be controlled, the temperature of the coolant water may be adjusted regardless of the cooling rate in the cooling step. The temperature of the coolant water may change before and after the representative point, or may be substantially constant.
- the pearly luster-forming particles are crystallized, it is preferable to further cool to stabilize the crystals, and it is desirable to cool until the liquid temperature is 10 to 40 ° C, preferably 15 to 35 ° C.
- the size of the blending tank is not particularly limited, but for example, a blending tank of 0.3 L to 20 m 3 can be used.
- a mixing tank of 100 L to 20 m 3 .
- the present invention does not require constant control of the cooling rate, and only by adjusting the representative heat removal rate per unit mass during crystallization to a specific range, the pearly luster composition having high whiteness and excellent dispersion stability A product can be easily obtained.
- the various properties of the pearly luster composition obtained in each example and each comparative example were measured by the following methods.
- the pearly luster composition is diluted 20 times (weight ratio) with water, the appearance of the pearly luster is observed with the naked eye, and evaluated according to the following criteria. In addition, the thing in which air bubbles are mixed is centrifuged and defoamed.
- ⁇ Whiteness of pearly luster composition 1 g of an aqueous solution containing 19.5% by weight of polyoxyethylene (2) sodium lauryl ether sulfate, diluted with a pearly luster composition 33.3 times (weight ratio), is measured in a cell, and a color difference meter (Nippon Denshoku, SE -2000), L (brightness) and b (hue / saturation) are measured and determined by the following equation defined by ASTM (American Society for Testing and Materials) (E-313).
- W value (7L 2 -40Lb) / 700 The W value is used as an index representing the whiteness of the pearly luster composition, in other words, turbidity. The higher the W value, the whiter and darker the pearly luster composition will be.
- a pearly luster composition by mixing with saline adjusted to a specific specific gravity (1.028 g / cm 3 , 1.035 g / cm 3 , 1.042 g / cm 3 , or 1.049 g / cm 3 ) using salt and water, Diluted 50 times by weight. 25 ml of this diluted solution is added to a test tube having a diameter of 18 mm and a height of 180 mm, left to stand at 23 ° C. for 18 hours, and then evaluated according to the following criteria. The measurement is performed at 23 ° C.
- Examples 1 to 7 and Comparative Examples 1 and 2 A mixture of fatty acid monoalkylolamide, alkyl sulfate ester salt, polyoxyalkylene type nonionic surfactant and other components shown in Tables 1 and 2 at 80 ° C., and the number of stirring revolutions was set to the speed shown in Tables 1 and 2. .
- Mix with K Ajihomomixer f model (Primics Co., Ltd., 2L specification), add both fatty acid glycol ester and crystallization additive, which were previously melted and mixed, in the molten state, and mix Thus, a molten mixed solution was obtained. Thereafter, the coolant water having the settings shown in Tables 1 and 2 was passed through the jacket to cool the molten mixture, and a pearly luster composition was obtained.
- the crystallization start temperature was the temperature at which the liquid temperature started to rise
- the crystallization end temperature was the temperature at which the increase in the liquid temperature stopped. Furthermore, the middle of these temperatures was set as the representative intermediate temperature.
- the pearly luster compositions obtained in Examples 1 to 7 have strong pearly luster, high whiteness, and good dispersion stability.
- the pearly luster composition obtained in Comparative Example 1 having a typical heat removal rate per unit mass during crystallization of less than 9 [W / kg] has high pearly luster but low whiteness and dispersion. It can be seen that the stability is also low.
- the pearly luster composition obtained in Comparative Example 2 having a typical heat removal rate per unit mass during crystallization of greater than 36 [W / kg] has high whiteness but weak pearly luster.
- Examples 8 to 15 TK in which the mixture of fatty acid monoalkylolamide, alkyl sulfate ester salt, polyoxyalkylene type nonionic surfactant and other components shown in Tables 3 and 4 was set at 80 ° C., and the rotational speed of stirring was set to the speed shown in Tables 3 and 4 Mix with Ajihomomica S100 type (manufactured by Primix Co., Ltd.), then add the fatty acid glycol ester and crystallization additive, which were previously melted and mixed, in the molten state, mix, melt mix A liquid was obtained. Thereafter, the coolant water having the settings shown in Tables 3 and 4 was passed through the jacket to cool the molten mixture, thereby obtaining a pearly luster composition.
- the pearly luster composition obtained by the method of the present invention is suitably used for shampoos, rinses, body shampoos, liquid detergents and the like.
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Abstract
Description
Y-O-(CH2CH2O)p-COR1 (I)
(式中、R1は炭素数13~21の直鎖又は分岐鎖の飽和又は不飽和の炭化水素基を示し、Yは水素原子又は-COR1(R1は前記と同じ)を示し、pは1~3の数で、平均付加モル数を意味する)で表わされるものが挙げられる。
R2-O-(R3O)q-H (II)
(式中、R2は炭素数8~20の直鎖又は分岐鎖の飽和又は不飽和の炭化水素基、R3はエチレン基又はプロピレン基を示し、qは1~12、好ましくは1~6の数で、平均付加モル数を意味する)
で表わされるポリオキシアルキレンアルキルエーテルが好ましい。
HLB=(Σ無機性値/Σ有機性値)×10
を用いて算出したときの値である。
R4CO-NH-R5OH (III)
(式中、R4は炭素数7~20の直鎖又は分岐鎖の飽和又は不飽和の炭化水素基を示し、R5はエチレン基又はプロピレン基を示す)
で表わされるものが挙げられる。
R6-O-(R7O)r-SO3M (IV)
(式中、R6は炭素数8~20の直鎖又は分岐鎖の飽和又は不飽和の炭化水素基を示し、R7はエチレン基又はプロピレン基を示し、Mはアルカリ金属、アルカリ土類金属、アンモニウムイオン又は炭素数2もしくは3のヒドロキシアルキル置換アンモニウムを示し、rは0~8の数で、平均付加モル数を意味する)
で表わされるポリオキシアルキレン基を有していてもよいアルキル硫酸エステル塩等が挙げられる。
で表される化合物が好ましい。
Rd-O-Re (B)
(式中、Rd及びReは、それぞれ独立して、炭素数8~22のアルキル基又はアルケニル基を示す)
で表される化合物が好ましい。
Q=UAΔT (X)
〔Q:除熱速度[W],U:総括熱伝達係数[W/m2/K],A:伝熱面積[m2],ΔT:平均温度差[K]〕
から求められる。なお、式(X)は、例えば、「化学工学概論」(水科篤郎、桐榮良三編、産業図書株式会社、平成5年(第15刷)、第66頁)に示されるように、伝熱を表すものとして一般的な式である。
ΔT=[(Tp-Tc1)-(Tp-Tc2)]/LN[(Tp-Tc1)/(Tp-Tc2)] (Y)
〔Tp:代表点でのパール光沢組成物の温度(代表中間温度)[℃]、Tc1:代表点での冷媒入口温度[℃],Tc2:代表点での冷媒出口温度[℃]〕
から得られる。
Ut2=-aMc/(AΔTt2) (Z-1)
〔M:パール光沢組成物の配合量[kg],c:パール光沢組成物の比熱[J/kg/K],A:伝熱面積[m2],ΔTt2:t2[秒]時点での平均温度差[K]〕
ここで、t2[秒]、言い換えればt1[秒]を短時間とすることで、得られるUt2は式(X)のUと近似することが可能となる。ただし、t1[秒]が過剰に短時間であると誤差の原因となり、また長時間だと式(X)のUと差異が大きいことから、t1[秒]は300秒とするときのUt2を式(X)における総括熱伝達係数Uとする。
パール光沢組成物を水で20倍(重量比)に希釈し、肉眼にてパール光沢の外観を観察し、以下の基準に従って評価する。なお、気泡の混入しているものは遠心分離に掛け、脱泡を行う。
A:強い光沢が認められる。
B:弱い光沢が認められる。
C:光沢がない。
ポリオキシエチレン(2)ラウリルエーテル硫酸ナトリウムを19.5重量%含む水溶液で、パール光沢組成物を33.3倍(重量比)に希釈したものをセルに1gを測り取り、色差計(日本電色製、SE-2000)でL(明度)、b(色相・彩度)を測定し、ASTM(米国材料試験協会)が定義(E-313)する次式により求める。
W値=(7L2-40Lb)/700
W値はパール光沢組成物の白さ、言いかえれば濁度を表す指標として用いる。W値が高いほどパール光沢組成物は白く濃くなる。
食塩と水を用いて特定の比重(1.028g/cm3、1.035g/cm3、1.042g/cm3、又は1.049g/cm3)に調整した食塩水との混合によりパール光沢組成物を、重量比で50倍に希釈した。この希釈液25mlを直径18mm高さ180mmの試験管に加え、23℃で18時間静置した後、以下の基準に従って評価する。測定は23℃で行う。
A:1.028g/cm3の食塩水及び1.049g/cm3の食塩水において、18時間静置後も白濁したまま安定に分散する。
B:1.028g/cm3の食塩水及び1.049g/cm3の食塩水の少なくともいずれかにおいては、18時間静置後に透明な分離層が生じ、安定に分散できないが、1.035g/cm3の食塩水及び1.042g/cm3の食塩水においては、18時間静置後も白濁したまま安定に分散する。
C:1.035g/cm3の食塩水及び1.042g/cm3の食塩水の少なくともいずれかにおいて、18時間静置後に透明な分離層が生じ、安定に分散できない。
示差走査熱量計(Thermo plus DSC8230, Rigaku製)を用い、脂肪酸グリコールエステル又は晶析添加剤を5℃/minで昇温し、得られる融解のピークトップを融点とする。
示差走査熱量計(Thermo plus DSC8230, Rigak製)を用い、空容器、比熱既知試料、パール光沢組成物の溶融混合液について等速昇温時のDSC曲線を求め、それぞれのベースラインのシフト量から比例計算により比熱を求める。
表1、2に示す脂肪酸モノアルキロールアミド、アルキル硫酸エステル塩、ポリオキシアルキレン型ノニオン界面活性剤及びその他成分の混合物を80℃で、攪拌回転数を表1、2に示す速度に設定したT.Kアジホモミクサーf model(プライミクス株式会社製、2L仕様)にて混合し、これに予め両者を溶融させ混合してあった脂肪酸グリコールエステルと晶析添加剤を、溶融状態のまま添加し、混合して溶融混合液を得た。その後、表1、2に示す設定の冷媒水をジャケットに通水して溶融混合液を冷却し、パール光沢組成物を得た
。
表3、4に示す脂肪酸モノアルキロールアミド、アルキル硫酸エステル塩、ポリオキシアルキレン型ノニオン界面活性剤及びその他成分の混合物を80℃で、攪拌回転数を表3、4に示す速度に設定したT.K.アジホモミクサーS100型(プライミクス株式会社製)にて混合し、これに予め両者を溶融させ混合してあった脂肪酸グリコールエステルと晶析添加剤を、溶融状態のまま添加し、混合し、溶融混合液を得た。その後、表3、4に示す設定の冷媒水をジャケットに通水して溶融混合液を冷却し、パール光沢組成物を得た。
Claims (4)
- 脂肪酸グリコールエステル、界面活性剤、及び水を含有してなり、さらに、晶析添加剤として、(1) 脂肪酸、(2) 脂肪族アルコール、(3) 脂肪酸モノグリセリド、及び(4) 脂肪族エーテルからなる群より選ばれたいずれかを含有してなるパール光沢組成物の製造方法であって、脂肪酸グリコールエステル、界面活性剤、水、及び晶析添加剤を含有してなる溶融混合液を冷却する工程を含み、この冷却工程における結晶化時の単位質量当たりの代表除熱速度が9~36[W/kg]であるパール光沢組成物の製造方法。
- 晶析添加剤が脂肪酸であり、界面活性剤がポリオキシアルキレン型ノニオン界面活性剤を含有してなる、請求項1記載のパール光沢組成物の製造方法。
- 晶析添加剤が脂肪族アルコールであり、界面活性剤がポリオキシアルキレン型ノニオン界面活性剤を含有してなる、請求項1記載のパール光沢組成物の製造方法。
- 晶析添加剤が脂肪酸モノグリセリド又は脂肪族エーテルである、請求項1記載のパール光沢組成物の製造方法。
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| CN200980136608.4A CN102159699B (zh) | 2008-09-17 | 2009-09-11 | 珠光组合物的制造方法 |
| KR1020117008523A KR101285911B1 (ko) | 2008-09-17 | 2009-09-11 | 펄 광택 조성물의 제조 방법 |
| EP09814535.2A EP2327758A4 (en) | 2008-09-17 | 2009-09-11 | PROCESS FOR PRODUCTION OF PEARL COMPOSITION |
| US13/119,196 US20110163263A1 (en) | 2008-09-17 | 2009-09-11 | Pearlescent composition manufacturing method |
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| DE102012212106A1 (de) * | 2012-07-11 | 2014-01-16 | Henkel Ag & Co. Kgaa | Verfahren zur Herstellung eines pflegenden, kosmetischen Reinigungsmittels |
| KR101429447B1 (ko) * | 2013-01-25 | 2014-08-13 | (주)아모레퍼시픽 | 화장품 제조를 위한 냉각 제어장치 및 방법 |
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| KR20110069079A (ko) | 2011-06-22 |
| CN102159699B (zh) | 2014-01-08 |
| EP2327758A1 (en) | 2011-06-01 |
| KR101285911B1 (ko) | 2013-07-12 |
| US20110163263A1 (en) | 2011-07-07 |
| CN102159699A (zh) | 2011-08-17 |
| EP2327758A4 (en) | 2015-01-07 |
| JP2010095518A (ja) | 2010-04-30 |
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