CN1208041C - O/W/O type polyphase emulsion - Google Patents

O/W/O type polyphase emulsion Download PDF

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CN1208041C
CN1208041C CNB031033563A CN03103356A CN1208041C CN 1208041 C CN1208041 C CN 1208041C CN B031033563 A CNB031033563 A CN B031033563A CN 03103356 A CN03103356 A CN 03103356A CN 1208041 C CN1208041 C CN 1208041C
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emulsion
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oil
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CN1448121A (en
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森俊树
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DKS Co Ltd
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Dai Ichi Kogyo Seiyaku Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • C08J3/095Oxygen containing compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04Dispersions; Emulsions
    • A61K8/06Emulsions
    • A61K8/066Multiple emulsions, e.g. water-in-oil-in-water
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/817Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/10Dispersions; Emulsions
    • A61K9/107Emulsions ; Emulsion preconcentrates; Micelles
    • A61K9/113Multiple emulsions, e.g. oil-in-water-in-oil
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2339/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Derivatives of such polymers
    • C08J2339/04Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • C08J2339/06Homopolymers or copolymers of N-vinyl-pyrrolidones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L39/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions of derivatives of such polymers
    • C08L39/04Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • C08L39/06Homopolymers or copolymers of N-vinyl-pyrrolidones

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Abstract

To prepare an O/W/O type multi-phase emulsion having excellent stability with time and further an O/W/O type multi-phase emulsion having excellent stability, safety and usability without using a surfactant. The O/W/O type multi-phase emulsion comprises one or more kinds of oil components selected from the group consisting of fatty acids and higher alcohols and one or more kinds of polymers soluble in the oil components in at least one of an inner oil phase and an outer oil phase.

Description

O/W/O type multi-phase emulsion
Technical field
The present invention relates to O/W/O type multi-phase emulsion.More particularly the present invention relates to the O/W/O type multi-phase emulsion of exhibiting excellent stability with time, and do not contain the good O/W/O type multi-phase emulsion of stability, safety and usability of surfactant.Basic cosmetics such as O/W/O type multi-phase emulsion of the present invention can be used for emulsion, the cream of preserving moisture, color make-up cosmetics such as foundation cream (foundation), lipstick, hair cosmetic composition, health apply some make up, fragrant cosmetics, pharmaceuticals such as slow-releasing preparation, microcapsule preparation etc.
Technical background
With the stable cooperation of the slow releaseization by effective ingredient, oil soluble material, soft effect is improved, the composition of interior oil phase and outer oil phase changes and improves usability is purpose, and O/W/O type multi-phase emulsion is studied.Compound method as O/W/O type multi-phase emulsion has a stage emulsion process and two-stage emulsion process.One stage emulsion process is to mix by oil phase that will contain surfactant and the water that contains surfactant, make the method for O/W/O type multi-phase emulsion, the two-stage emulsion process is a preparation O/W type emulsion, with the method for this O/W type emulsion dispersion at oil phase, the water of known oriented O/W type emulsion adds the method for alkyl-modified this family macromolecule of carboxy vinyl polymer etc. with surfactant.
However, the problem that such O/W/O type multi-phase emulsion exists is, in a stage emulsion process, because the composition of interior oil phase and outer oil phase is identical, can not compose work so be surrounded by the characteristic of this class O/W/O type multi-phase emulsion of imitating composition or labile element in existing, coexist, make the preparation rate of O/W/O type multi-phase emulsion to reduce with the w/o type emulsion that does not contain oil droplet in the water droplet, in the preparation of W/O/W type multi-phase emulsion, to stabilisation and miniaturization as the w/o type emulsion of inner phase, than the two-stage emulsion process, the advantage of a stage emulsion process is easy.When preparation O/W/O type multi-phase emulsion, because also can easily make O/W type emulsion-stabilizingization and miniaturization, so do not use the advantage of a stage emulsion process as inner phase with the two-stage emulsion process.
In addition, the problem that exists in the two-stage emulsion process is, because the w/o type emulsion as the foreign minister is difficult to stablize, be difficult to guarantee ageing stability, because viscosity can appear in the use surfactant, because the possible Transdermal absorption of surfactant, so be necessary to reduce use level, material that uses the so high molecular O/W type emulsion of alkyl-modified carboxy vinyl polymer not make to have fine particle size etc.
The object of the present invention is to provide the O/W/O type multi-phase emulsion of exhibiting excellent stability with time, and then provide the stability, safety and the usability that do not contain surfactant good O/W/O type multi-phase emulsion.
Summary of the invention
Containing the oil content more than a kind that (b) select and dissolve in the macromolecule more than a kind of aforementioned oil content and do not contain in the oil phase of surfactant from the composition of fatty acid and higher alcohol by the O/W type emulsion dispersion that will contain the chemical compound more than a kind that (a) select from the composition of inorganic acid salt, acylate, aminoacid and salt thereof, making O/W/O type multi-phase emulsion of the present invention at aqueous phase.
The O/W type emulsion dispersion that will contain (c) aforementioned oil content and dissolve in the macromolecule more than a kind of aforementioned oil content and do not contain surfactant obtains O/W/O type multi-phase emulsion in oil phase.
O/W/O type multi-phase emulsion, it is characterized in that to contain the chemical compound more than a kind that (e) selects from the composition of inorganic acid salt, acylate, aminoacid and salt thereof, aforementioned oil content and the high molecular O/W type emulsion dispersion more than a kind that dissolves in aforementioned oil content are containing (f) aforementioned oil content and are dissolving in the high molecular oil phase more than a kind of aforementioned oil content and make, and do not contain surfactant.
Aforementioned O/W/O type multi-phase emulsion, wherein, the macromolecule that dissolves in aforementioned oil content is polyvinylpyrrolidone or vinylpyrrolidone/vinyl acetate co-polymer.
O/W/O type multi-phase emulsion of the present invention is characterised in that exhibiting excellent stability with time.In addition, also comprise the material that has exhibiting excellent stability with time and do not contain the feature of surfactant in the O/W/O type multi-phase emulsion of the present invention.
The specific embodiment
O/W/O type multi-phase emulsion of the present invention, it is characterized in that interior oil phase with outside at least 1 the containing the oil content of from the composition of fatty acid and higher alcohol, selecting more than a kind in mutually and dissolve in the macromolecule more than a kind of aforementioned oil content of oil phase.
The 1st kind of O/W/O type multi-phase emulsion of the present invention can make by containing the oil content of selecting more than a kind from the composition of fatty acid and higher alcohol in aqueous phase contains the chemical compound of selecting more than a kind from the composition of inorganic acid salt, acylate, aminoacid and salt thereof O/W type emulsion dispersion and dissolving in the macromolecule more than a kind of aforementioned oil content and do not contain in the oil phase of surfactant.
In the present invention, because pass through the salting out of inorganic acid salt, acylate, aminoacid and salt thereof, the macromolecule that dissolves in aforementioned oil content can be used as lipophilic emulsifier, so can make the w/o type emulsion.
If the inorganic acid salt water solublity, have salting out, then there is not particular restriction, preferably sulfuric acid salt, carbonate, phosphate etc. can use sodium sulfate, magnesium sulfate, sodium hydrogen phosphate, sodium dihydrogen phosphate etc.Especially sulfate such as preferably sulfuric acid sodium.
If the acylate water solublity, have salting out, then there is not particular restriction, can use citrates such as sodium dihydrogen citrate, disodium citrate, trisodium citrate, monobasic potassium citrate, succinates such as succinic acid one sodium, disodium succinate, tartrates such as disodium tartrate etc.These acylates can add the water and the thing of acylate and acylate, also organic acid can be added with in the alkali and back.
If aminoacid and salt water solublity thereof, have salting out, then there is not particular restriction, can use glycine, proline, alanine, NaAsp, Histidine sodium etc.
If inorganic acid salt, acylate and amino acid salts water solublity, have salting out, then there is not particular restriction, can use sodium salt, potassium salt, magnesium salt etc.
Among the present invention, contain inorganic acid salt, acylate, aminoacid and salt thereof, be preferably 0.1%~10 weight % (the following % of being) of O/W/O type multi-phase emulsion, more preferably 0.5%~3%.It is not enough to be lower than 0.1% salting out, surpasses 10% and causes system's instability owing to saltout etc.
In the 1st kind of O/W/O type multi-phase emulsion of the present invention, can cooperate room temperature as the composition of oil phase in forming is the material of solid shape, pasty state, Any shape such as aqueous, can use hydro carbons polar oil, non-polar oil, silicone oil wet goods.
In the O/W type emulsion as the inner phase of the 1st kind of O/W/O type multi-phase emulsion of the present invention, can contain surfactant at interior oil phase.Can use the POE sorbitan stearate as surfactant; POE (60) solidifies castor bean wet goods polyoxyethylene and solidifies castor bean oil; Polyglyceryl fatty acid esters such as polyglycereol distearate, polyglycereol laurate; Sucrose fatty acid ester such as Surfhope SE Cosme C 1216, sucrose stearate etc.
The contained surfactant of O/W type emulsion can cooperate 0.1%~10%, preferably 0.5%~5%.Be lower than 0.1% and can not make stable O/W type emulsion, surpass 10%, the usability of viscosity occurs, so not preferred.
The 1st kind of O/W/O type emulsion of the present invention can be added the macromolecule that is insoluble to oil content to aqueous phase.By when preparing O/W/O type emulsion, adding the macromolecule that is insoluble to oil content, can easily prepare and make O/W type emulsion-stabilizingization, can easily be dispersed in the oil phase of O/W type emulsion.
As the macromolecule that is insoluble to aforementioned oil content, can use carboxy vinyl polymer, alkyl-modified carboxy vinyl polymer, sodium polyacrylate, xanthene rubber, sodium alginate, sodium carboxymethyl cellulose, hydroxyethyl-cellulose etc.
Also can emulsifying when not having to cooperate the macromolecule be insoluble to aforementioned oil content, can cooperate to be below 10% of O/W/O type multi-phase emulsion, oil phase is 0.1%~1%.Be lower than 0.1%, though emulsifying, the dispersibility when water is dispersed in oil phase is low, needs very big mixing power.Surpass 10%, viscosity and wet and slippery sense etc. occur, usability is bad.
O/W type emulsion of the present invention, for example the heating oil phase that contains surfactant obtains uniform solution as required, after wherein adding water-phase component, makes with processing such as refiner.Any stage interpolation inorganic acid salt, acylate, aminoacid and salt thereof when preparing O/W type emulsion or after the preparation all can.
Among the present invention, the oil phase of O/W type emulsion and the ratio of water do not have particular restriction, are preferably oil phase: water=90~0.1: 10~99.9 (weight ratio), more preferably oil phases: water=80~10: 20~90 (weight ratios).Oil phase is lower than 0.1%, can not make useful O/W/O type multi-phase emulsion in fact, surpasses 90%, can not make stable O/W type emulsion.
Fatty acid if carbon number 6 or more, at normal temperatures (25 ℃) then do not have particular restriction for consolidating shape or liquid state.Can use Palmic acid, stearic acid, 12-hydroxy stearic acid etc. at room temperature for the fatty acid of consolidating shape.In addition, room temperature is that the fatty acid of liquid can use caproic acid, straight chain fatty acid such as sad, branched chain fatty acids such as different Palmic acid, isostearic acid, unsaturated fatty acids such as oleic acid, myristoleic acid, palmitic olefinic acid etc.Especially preferred room temperature is liquid material.
Higher alcohol if carbon number 6 or more, at normal temperatures (25 ℃) then do not have particular restriction for consolidating shape or liquid state.Can use hexadecanol, stearyl alcohol, behenyl alcohol etc. for solid higher alcohol at normal temperatures.In addition, can use straight-chain higher alcohols such as capryl alcohol, decanol for aqueous higher alcohol at normal temperatures, side chain higher alcohols such as isooctadecanol, octyl dodecanol, unsaturated higher alcohol such as oleyl alcohol etc.Especially preferred room temperature is aqueous material.
The lipophile that carbon number is lower than 6 fatty acid and higher alcohol is not enough.Because when the fatty acid of formation oil phase and the lipophile of higher alcohol were insufficient, the macromolecule that dissolves in aforementioned oil content was difficult to join in oil phase, the effect as emulsifying agent is reduced, have the tendency of the stability reduction of the emulsion of making.
At room temperature is that intersolubility between solid fatty acid and higher alcohol and oil-phase component biphase is lower than liquid fatty acid and higher alcohol.But,, can improve the intersolubility between biphase by share liquid fatty acid and triglyceride etc.
Contained fatty acid and higher alcohol are preferably at more than 0.1% of O/W/O type multi-phase emulsion, more preferably more than 2% in the outer oil phase.Be lower than 0.1% and can not make good emulsion.Because fatty acid and higher alcohol use oil content commonly used, there is not particular restriction, can consider that usability waits to cooperate.
As the macromolecule that dissolves in aforementioned oil content, can use polyvinylpyrrolidone, vinylpyrrolidone/vinyl acetate co-polymer, polyethylene caprolactam, vinylpyrrolidone/ethylene caprolactam copolymer, poly N-ethylene acetamide etc.Preferably polyethylene ketopyrrolidine, vinylpyrrolidone/vinyl acetate co-polymer, more preferably polyvinylpyrrolidone.
As the high molecular molecular weight that dissolves in aforementioned oil content, can use weight average molecular weight is 1000~1500000, especially 5000~500000 material.As the macromolecule that dissolves in aforementioned oil content, can use commercially available product.Weight average molecular weight is lower than at 1000 o'clock, and possible Transdermal absorption surpasses at 1500000 o'clock, because viscosity, viscosity and wet and slippery sense etc. have very big influence to usability.In vinylpyrrolidone/vinyl acetate co-polymer, vinylacetate preferably contains 0~90 mole of %.If surpass 90 moles of %, then there is not sufficient hydrophilic, there is not function as emulsifying agent.In addition, about vinylpyrrolidone/ethylene caprolactam copolymer, because polyvinylpyrrolidone and polyethylene caprolactam all can use as the macromolecule that dissolves in aforementioned oil content separately, so composition is not had special restriction.
As vinylpyrrolidone/vinyl acetate co-polymer and the vinylpyrrolidone/ethylene caprolactam copolymer that the macromolecule that dissolves in aforementioned oil content uses, be to use as random copolymer or block copolymer.
The macromolecule that dissolves in aforementioned oil content that outer oil phase is contained preferably cooperates 0.1~10% of O/W/O type multi-phase emulsion, is more preferably 0.2~2%.Because be lower than 0.1%, insufficient as the effect of emulsifying agent, surpass 10% and make the viscosity of system too high, usability is bad, can also experience wet and slippery sense that macromolecule causes etc. in addition, so not preferred.
The macromolecule that dissolves in aforementioned oil content is the chemical compound that is used as emulsifying agent among the present invention.Therefore, contain the high molecular oil phase that dissolves in aforementioned oil content and there is no need to contain surfactant.
In the 1st kind of O/W/O type multi-phase emulsion of the present invention, as the composition that forms outer oil phase, can be that room temperature is solid-state, the material of pasty state, aqueous Any shape, can use polar oil, non-polar oil, the silicone oil wet goods of hydro carbons.
Containing aforementioned oil content and dissolving in the macromolecule of aforementioned oil content and do not contain in the homogeneous solution (oil phase) of surfactant, add the O/W type emulsion that obtains as previously mentioned while stirring slowly with stirring dispersion machine (becoming privileged Industrial Co., Ltd), can make the 1st kind of O/W/O type multi-phase emulsion of the present invention.
The macromolecule dissolution that dissolves in aforementioned oil contents such as polyvinylpyrrolidone need be heated in oil content the time usually, for example uses ethanol etc. will dissolve in the solvent of the macromolecule dissolution of oil contents such as polyvinylpyrrolidone, can make simple to operate.
Among the present invention, the ratio of O/W type emulsion and outer oil phase does not have particular restriction, preferred O/W type emulsion: outer oil phase=50~90: 50~10 (weight ratios), more preferably O/W type emulsion: outer oil phase=60~80: 40~20 (weight ratios).Outer oil phase is lower than 10% and is difficult to emulsifying, surpasses 50% and makes emulsion be difficult to stablize.
In the 1st kind of O/W/O type multi-phase emulsion of the present invention, except the chemical compound of from the composition of inorganic acid salt, acylate, aminoacid and salt thereof, selecting more than a kind, the oil content of from the composition of fatty acid and higher alcohol, selecting more than a kind, dissolve in the macromolecule more than a kind of aforementioned oil content, surfactant and being insoluble to outside the macromolecule of aforementioned oil content can also cooperate the coloured material etc. of the powder body, ferrum oxide and so on of wetting agent, antibacterial, antiseptic, antioxidant, pH regulator agent, UV absorbent, titanium oxide or zinc oxide and so on.
In the 1st kind of O/W/O type multi-phase emulsion of the present invention, contain the macromolecule that dissolves in aforementioned oil content, carry out the emulsifying of w/o type emulsion, can use the prior art of surfactant to be difficult to the w/o type emulsion-stabilizingization of stabilisation by oil phase outside.Therefore, the 1st kind of O/W/O type multi-phase emulsion of the present invention can be used as the good O/W/O type multi-phase emulsion of ageing stability and effectively utilized.In addition, because the 1st kind of O/W/O type multi-phase emulsion of the present invention do not contain surfactant in the oil phase outside, effectively utilized so can be used as safe O/W/O type multi-phase emulsion.
The 1st kind of O/W/O type multi-phase emulsion of the present invention for example can be used for emulsion, the basic cosmetics such as cream of preserving moisture, color make-up cosmetics such as foundation cream (foudation), lipstick, hair cosmetic composition, health applies some make up, fragrant cosmetics, pharmaceuticals such as slow-releasing preparation, microcapsule preparation etc.
In addition, the 2nd kind of O/W/O type multi-phase emulsion of the present invention can make in oil phase by the O/W type emulsion dispersion that will contain the oil content more than a kind selected and dissolve in the macromolecule more than a kind of aforementioned oil content and do not contain surfactant from the composition of fatty acid and higher alcohol.
Can use and the 1st kind of identical material of O/W/O type multi-phase emulsion as fatty acid and higher alcohol.
Fatty acid that interior oil phase is contained and higher alcohol are preferably at more than 0.1% of O/W/O type multi-phase emulsion, more preferably more than 2%.Be lower than 0.1% and can not make good emulsion.Because what fatty acid and higher alcohol used is the oil content of using always,, can cooperate according to usability etc. so there is not the special upper limit.
The macromolecule that dissolves in aforementioned oil content that interior oil phase is contained preferably cooperates and is 0.1~10% of O/W/O type multi-phase emulsion, and more preferably 0.2~2%.Be lower than 0.1% insufficiently as the effect of emulsifying agent, the viscosity that surpasses 10% system is too high, and usability is bad, in addition because macromolecule causes wet and slippery sense etc., so not preferred.
As the macromolecule that dissolves in aforementioned oil content, can use and the 1st kind of identical material of O/W/O type multi-phase emulsion.
The macromolecule that dissolves in aforementioned oil content is the chemical compound that is used as emulsifying agent among the present invention.Therefore, contain in the high molecular oil phase that dissolves in aforementioned oil content and there is no need to contain surfactant.
In the 2nd kind of O/W/O type multi-phase emulsion of the present invention,, can contain aforementioned oil content oil content in addition as the composition of oil phase in forming.As the oil content beyond the aforementioned oil content, can be that room temperature is solid-state, the material of pasty state, aqueous Any shape, also can use polar oil, non-polar oil, the silicone oil wet goods of hydro carbons.
The 2nd kind of O/W/O type multi-phase emulsion of the present invention, and then can contain polyhydric alcohol more than the ternary at interior oil phase.Even without cooperating the polyhydric alcohol more than the ternary also can make good emulsion, after forming gel, be dispersed in water, and then can make good O/W type emulsion by oil content and the polyhydric alcohol more than the ternary.Therefore,, particularly cooperate, can make emulsified state and ageing stability better at interior oil phase by cooperating the polyhydric alcohol more than the ternary.
Can enumerate glycerol, Sorbitol etc. as the polyhydric alcohol more than the ternary.As the polyhydric alcohol more than the ternary, can use high molecular body such as polyglycereol etc., first number of alcohol there is not particular restriction.Be lower than ternary alcohol and can not together form gel with oil content.
The polyhydric alcohol that ternary is above preferably cooperates at interior oil phase to be 1~20% of O/W/O type multi-phase emulsion, more preferably cooperates to be 3-15%.Be lower than 1% and can not form gel, surpass 20% usability that viscosity occurs.The above polyhydric alcohol of ternary also can directly add, and also can add its aqueous solution in addition.The concentration of polyatomic alcohol water solution is different by the kind of polyhydric alcohol, does not have particular restriction, is preferably high concentration under possible limit.
In the 2nd kind of O/W/O type multi-phase emulsion of the present invention, can add the macromolecule that is insoluble to oil content to water.Add the macromolecule that is insoluble to oil content to water, can bring into play effect, can make O/W type emulsion-stabilizingization as the water viscosifier.In addition, when preparation O/W/O type multi-phase emulsion, be insoluble to the macromolecule of oil content, can easily be dispersed in the oil phase of O/W type emulsion by interpolation.
As the macromolecule that is insoluble to aforementioned oil content, can use and the 1st kind of identical material of O/W/O type multi-phase emulsion.
Also can emulsifying when not having to cooperate the macromolecule be insoluble to aforementioned oil content, can cooperate for below 10% of O/W/O type multi-phase emulsion, preferably cooperate 0.1%~1%.Be lower than 0.1%, though emulsifying, the dispersibility when making water be dispersed in oil phase reduces, and needs big mixing power.Surpass 10%, viscosity and wet and slippery sense etc. occur, usability is bad.
O/W type emulsion of the present invention, oil-phase component forms uniform solution in for example can heating as required, adds the macromolecule aqueous solution that is insoluble to aforementioned oil content lentamente, stirs and can make with refiner.In addition, when the macromolecule dissolution that dissolves in aforementioned oil contents such as polyvinylpyrrolidone is in oil content, need heat usually, use hexanol etc. for example can make the solvent of the macromolecule dissolution that is dissolved in aforementioned oil contents such as polyvinylpyrrolidone, can make simple to operate.
Among the present invention, the oil phase of O/W type emulsion and the ratio of water do not have particular restriction, are preferably oil phase: water=90~0.1: 10~99.9 (weight ratio), more preferably oil phases: water=80~10: 20~90 (weight ratios).Oil phase is lower than 0.1%, can not make useful O/W/O type multi-phase emulsion in fact, surpasses 90%, can not make stable O/W type multi-phase emulsion.
In the 2nd kind of O/W/O type multi-phase emulsion of the present invention,, can be that room temperature is solid-state as the composition that forms outer oil phase, the material of pasty state, aqueous Any shape, also can use the polar oil of hydro carbons, non-perseverance oil, silicone oil wet goods.
In the 2nd kind of O/W/O type multi-phase emulsion of the present invention, oil phase can contain surfactant outside.Can use sorbitan fatty acid esters such as sorbitan isostearate, sorbitan grease as surfactant; Fatty acid glycerides such as glyceryl stearate; Polyglyceryl fatty acid esters such as two glycerol diisopstearates, polyglycereol five oleates; Sucrose fatty acid ester such as sucrose eruciate, sucrose polyoxyethylene lauryl acid esters etc.
The contained surfactant of outer oil phase can cooperate 0.01~10%, is preferably 0.05~2%.Being lower than 0.01%, can not preparing the w/o type emulsion, surpass 10% usability that viscosity occurs, is not preferred.
In the homogeneous solution of oil-phase component, the limit is stirred the limit with stirring dispersion machine and is slowly added the O/W type emulsion of gained as described above, makes the 2nd kind of O/W/O type multi-phase emulsion of the present invention outside containing.
Among the present invention, the ratio of O/W type emulsion and outer oil phase does not have particular restriction, preferred O/W type emulsion: outer oil phase=50~90: 50~10 (weight ratios), more preferably O/W type emulsion: outer oil phase=60~80: 40~20 (weight ratios), outer oil phase is lower than 10% and is difficult to emulsifying, surpasses 50% emulsion and is difficult to stablize.
In the 2nd kind of O/W/O type multi-phase emulsion of the present invention, except the oil content more than a kind from the composition of fatty acid and higher alcohol, selected, dissolve in the macromolecule more than a kind, the surfactant of aforementioned oil content and be insoluble to the macromolecule of aforementioned oil content, can also cooperate the coloured material etc. of the powder body, ferrum oxide and so on of wetting agent, antibacterial, antiseptic, antioxidant, pH regulator agent, UV absorbent, titanium oxide or zinc oxide and so on.
The 2nd kind of O/W/O type multi-phase emulsion of the present invention can be used as the good O/W/O type multi-phase emulsion of ageing stability and effectively utilized.In addition, usually preparation O/W type emulsion is used a large amount of surfactants, because in of the present invention, do not contain surfactant in the oil phase, so the 2nd kind of O/W/O type multi-phase emulsion of the present invention can effectively be utilized as safe O/W/O type multi-phase emulsion.
Basic cosmetics such as the 2nd kind of O/W/O type multi-phase emulsion of the present invention can be used for emulsion, the cream of preserving moisture, color make-up cosmetics such as foundation cream (foundation), lipstick, hair cosmetic composition, health applies some make up, the fragrance cosmetics, pharmaceuticals such as slow-releasing preparation, microcapsule preparation etc.
The 3rd kind of O/W/O type multi-phase emulsion of the present invention can be by containing the chemical compound of selecting more than a kind from the composition of inorganic acid salt, acylate, aminoacid and salt thereof, the oil content of selecting from the composition of fatty acid and higher alcohol more than a kind and dissolve in the macromolecule more than a kind of aforementioned oil content and do not contain the O/W type emulsion of surfactant is dispersed in and contains aforementioned oil content and dissolve in the macromolecule more than a kind of aforementioned oil content and do not contain in the oil phase of surfactant and make.
In the present invention, because pass through the salting out of inorganic acid salt, acylate, aminoacid and salt thereof, the macromolecule that dissolves in aforementioned oil content can be used as lipophilic emulsifier, so can make the w/o type emulsion.
As inorganic acid salt, acylate, aminoacid and salt thereof, can use and the 1st kind of identical material of O/W/O type emulsion.
Among the present invention, the inorganic acid salt that contains, acylate, aminoacid and salt thereof are preferably 0.1~10% of O/W/O type multi-phase emulsion, and more preferably 0.5~3%.It is not enough to be lower than 0.1% salting out, surpasses 10% and causes instability owing to saltout etc.
As fatty acid and higher alcohol, can use and the 1st kind of identical material of O/W/O type emulsion.
Fatty acid that interior oil phase is contained and higher alcohol are preferably more than 0.1% of O/W/O type multi-phase emulsion, more preferably more than 2%.Be lower than 0.1% and can not obtain good emulsion.Because what fatty acid and higher alcohol used is oil content commonly used,, can wait according to usability to cooperate so there is not the special upper limit.
Can use and the 1st kind of identical material of O/W/O type multi-phase emulsion as the macromolecule that dissolves in aforementioned oil content.
The macromolecule that dissolves in aforementioned oil content that interior oil phase is contained, preferred 0.1~10% of the O/W/O type multi-phase emulsion that cooperates, more preferably 0.2~2%, be lower than 0.2% insufficient as the effect of emulsifying agent, it is too high to surpass 10% system's viscosity, usability is bad, in addition because macromolecule causes wet and slippery sense etc., so not preferred.
The macromolecule that dissolves in aforementioned oil content is the chemical compound that is used as emulsifying agent in the present invention.Therefore, in containing the high molecular oil phase that dissolves in aforementioned oil content, there is no need to contain surfactant.
In the 3rd kind of O/W/O type multi-phase emulsion of the present invention,, can contain aforementioned oil content oil content in addition as the composition of oil phase in forming.As the oil content beyond the aforementioned oil content, can cooperate room temperature is the material of solid shape, pasty state, aqueous Any shape, can use polar oil, non-polar oil, the silicone oil wet goods of hydro carbons.
About the 3rd kind of O/W/O type multi-phase emulsion of the present invention, can add the macromolecule that is insoluble to oil content to aqueous phase.Add the macromolecule that is insoluble to oil content to aqueous phase, can play the effect of water viscosifier, can make O/W type emulsion-stabilizingization.In addition, when preparation O/W/O type emulsion, be insoluble to the macromolecule of oil content, can easily be dispersed in the oil phase of O/W type emulsion by interpolation.
As the macromolecule that is insoluble to aforementioned oil content, can use and the 1st kind of identical material of O/W/O type multi-phase emulsion.
Also can emulsifying when not having to cooperate the macromolecule be insoluble to aforementioned oil content, can cooperate below 10% of O/W/O type emulsion, preferably cooperate 0.1~1%.Be lower than 0.1%, though emulsifying, the dispersibility when water is dispersed in oil phase is low, needs big mixing power.Surpass 10%, viscosity and wet and slippery sense etc. occur, usability is bad.
The 3rd kind of O/W/O type multi-phase emulsion of the present invention, and then can contain polyhydric alcohol more than the ternary at interior oil phase.Even without cooperating the polyhydric alcohol more than the ternary also can make good emulsion, after forming gel, be dispersed in water, and then can make good O/W type emulsion by oil content and the polyhydric alcohol more than the ternary.Therefore,, particularly cooperate, can make emulsified state and ageing stability better at interior water by cooperating the polyhydric alcohol more than the ternary.
As the polyhydric alcohol more than the ternary, can use and the 2nd kind of identical material of O/W/O type multi-phase emulsion.
The above polyhydric alcohol of ternary can cooperate at interior water and accounts for 1~20% of O/W/O type multi-phase emulsion, more preferably cooperates 3~15%.Be lower than 1% and can not form gel, surpass 20% usability that viscosity occurs.Also can directly add the above polyhydric alcohol of ternary, also can add its aqueous solution in addition.The concentration of polyatomic alcohol water solution is different by the kind of polyhydric alcohol, does not have particular restriction, is preferably high concentration in possible limit.
Among the present invention, O/W type emulsion for example can heat interior oil-phase component and homogenize as required, add the macromolecule aqueous solution that is insoluble to aforementioned oil content lentamente, after the reuse refiner stirs, add the aqueous solution contain the chemical compound of from the composition of inorganic acid salt, acylate, aminoacid and salt thereof, selecting more than a kind, make it homogenize and make.When preparation O/W type emulsion or any stage after the preparation can add inorganic acid salt, acylate, aminoacid and salt thereof.When the macromolecule dissolution that dissolves in aforementioned oil contents such as polyvinylpyrrolidone is in oil content, need heat usually, use ethanol etc. for example can make the solvent of the macromolecule dissolution that is dissolved in aforementioned oil contents such as polyvinylpyrrolidone, can make simple to operate.
Among the present invention, the oil phase of O/W type emulsion and the ratio of water do not have particular restriction, are preferably oil phase: water=90~0.1: 10~99.9 (weight ratio), more preferably oil phases: water=80~10: 20~90 (weight ratios).Oil phase is lower than 0.1%, can not make useful O/W/O type multi-phase emulsion in fact, surpasses 90%, can not make stable O/W type multi-phase emulsion.
In the outer oil phase of the 3rd kind of O/W/O type multi-phase emulsion of the present invention, contain by oil content of selecting in the forming of fatty acid and higher alcohol more than a kind and the macromolecule more than a kind that dissolves in aforementioned oil content.
As the contained oil content of from the composition of fatty acid and higher alcohol, selecting more than a kind of outer oil phase, can use and the fatty acid and the identical oil content of higher alcohol that can be included in interior oil phase.
Fatty acid that outer oil phase is contained and higher alcohol are preferably more than 0.1% of O/W/O type multi-phase emulsion, more preferably more than 2%.Be lower than 0.1%, can not make good emulsion.Because what fatty acid and higher alcohol used is the oil content of using always,, can wait according to usability to cooperate so there is not the special upper limit.
As the contained macromolecule more than a kind that dissolves in aforementioned oil content of outer oil phase, can use and the identical material of the macromolecule that dissolves in aforementioned oil content that can be included in interior oil phase.
Be included in the macromolecule that dissolves in aforementioned oil content of outer oil phase, the preferred cooperation is 0.1~10% of O/W/O type multi-phase emulsion, more preferably 0.2~2%.Be lower than 0.1%, insufficient as the effect of emulsifying agent, surpass 10%, the viscosity of system is too high, and usability is bad, and perhaps macromolecule causes wet and slippery sense etc., is not preferred.
In the 3rd kind of O/W/O type multi-phase emulsion of the present invention,, can contain aforementioned oil content oil content in addition as the composition that forms outer oil phase.As the composition beyond the aforementioned oil content, can cooperate that room temperature is solid-state, the material of pasty state, aqueous Any shape, also can use polar oil, non-polar oil, the silicone oil wet goods of hydro carbons.
The 3rd kind of O/W/O type multi-phase emulsion of the present invention can contain aforementioned oil content and dissolve in the macromolecule of aforementioned oil content and do not contain the homogeneous solution (oil phase) of surfactant by stirring with the stirring dispersion machine limit, and the limit is added the O/W type emulsion of gained as described above lentamente and made.
When the macromolecule dissolution that dissolves in aforementioned oil contents such as polyvinylpyrrolidone is in oil content, need heat usually, for example use ethanol etc. can make the solvent of the macromolecule dissolution that is dissolved in oil contents such as polyvinylpyrrolidone, can make simple to operate.
Among the present invention, the ratio of w/o type emulsion and outer oil phase does not have particular restriction, preferred O/W type emulsion: outer oil phase=50~90: 50~10 (weight ratios), more preferably O/W type emulsion: outer oil phase=60~80: 40~20 (weight ratios).Outer oil phase is lower than 10% and is difficult to emulsifying, surpasses 50% and makes emulsion be difficult to stablize.
In the 3rd kind of O/W/O type multi-phase emulsion of the present invention, remove the chemical compound of from the composition of inorganic acid salt, acylate, aminoacid and salt thereof, selecting more than a kind, the oil content of selecting in the composition of fatty acid and higher alcohol more than a kind, dissolve in the macromolecule more than a kind of aforementioned oil content, surfactant is insoluble to outside the macromolecule of aforementioned oil content, can also cooperate the coloured material etc. of the powder body, ferrum oxide and so on of wetting agent, antibacterial, antiseptic, antioxidant, pH regulator agent, UV absorbent, titanium oxide or zinc oxide and so on.
The 3rd kind of O/W/O type multi-phase emulsion of the present invention can effectively utilize as the good O/W/O type multi-phase emulsion of ageing stability.In addition, because do not have surfactant in interior oil phase and the outer oil phase, effectively utilized so can be used as safe O/W/O type multi-phase emulsion.
The 3rd kind of O/W/O type multi-phase emulsion of the present invention for example can be used for basic cosmetics such as emulsion, the cream of preserving moisture, color make-up cosmetics such as foundation cream (foundation), lipstick, hair cosmetic composition, health applies some make up, the fragrance cosmetics, pharmaceuticals such as slow-releasing preparation, microcapsule preparation etc.
Below, the present invention will be described in detail with embodiment.
Embodiment 1~7 and comparative example 1~2
Table 1, A mutually in, isostearic acid, tricaprylin, liquid paraffin, cyclic polysiloxanes and dimethicone are equivalent to oil content, polyvinylpyrrolidone is equivalent to dissolve in the macromolecule of oil content, the POE sorbitan stearate is equivalent to surfactant, glycerol is equivalent to polyhydric alcohol, and ethanol is equivalent to the solvent of polyethylene dissolving ketopyrrolidine.B mutually in, carboxymethyl cellulose is equivalent to be insoluble to the macromolecule of oil content.C mutually in, sodium sulfate is equivalent to inorganic acid salt.D mutually in, isostearic acid, tricaprylin, liquid paraffin, cyclic polysiloxanes and dimethicone are equivalent to oil content, polyvinylpyrrolidone is equivalent to dissolve in the macromolecule of oil content, two glycerol diisopstearates are equivalent to surfactant, and ethanol is equivalent to the solvent of polyethylene dissolving ketopyrrolidine.It is 50000 that polyvinylpyrrolidone uses weight average molecular weight.
Cooperation shown in the table 1 is formed in (weight), A phase constituent except that glycerol is heated to 70 ℃ as required, after the homogenize, add glycerol, glycerol is disperseed, add the B phase identical lentamente with the A temperature with refiner, after the reuse refiner stirs, add the C phase, stir with hands and make homogenize, make O/W type emulsion.Heat the D phase as required, after the homogenize, the limit is stirred the limit with stirring dispersion machine (stirring dispersion machine of Tokushu Kika Kogyo K.K's system) and is added aforesaid O/W type emulsion lentamente, makes O/W/O type multi-phase emulsion.
The stability of the O/W/O type multi-phase emulsion of preparation is estimated according to following evaluation methodology and evaluation criterion.
<method for estimating stability 〉
With the O/W/O type multi-phase emulsion of preparation 50 ℃ placed for 2 weeks after, use microscopic examination.
<estimation of stability standard 〉
Zero: emulsified particle does not merge, identical with firm preparation.
△: the multi-phase emulsion state, but emulsified particle merges.
*: not the multi-phase emulsion state.
Embodiment Comparative example
1 2 3 4 5 1 2
A phase isostearic acid tricaprylin atoleine cyclic polysiloxanes (5 times of bodies) dimethicone (100cs) polyvinylpyrrolidone ethanol POE (20) sorbitan stearate glycerine 2 2 2 0.5 0.5 5 2 2 2 0.5 0.5 5 2 2 2 1 5 2 2 2 0.5 0.5 5 2 2 2 0.5 0.5 5 2 2 2 1 5 2 2 2 5
B phase water carboxymethyl cellulose 39.9 0.1 39.9 01. 39.9 0.1 39.9 0.1 29.9 0.1 29.9 0.1 40.7 0.3
C phase water sodium sulphate 30 1 30 1 30 1 30 1 25 1 25 1 30 1
D phase isostearic acid three caprylin atoleine cyclic polysiloxanes (5 times of bodies) dimethicone (100cs) polyvinylpyrrolidone ethanol two isostearic acids two glyceride 5 5 5 1 1 5 5 5 1 1 5 5 5 1 1 5 5 5 2 10 10 10 1 1 10 10 10 2 5 5 5 1 1
Stability × ×
O/W/O type multi-phase emulsion of the present invention is the good O/W/O type emulsification composition of stability, safety and usability that does not contain the O/W/O type multi-phase emulsion of surfactant or do not contain surfactant.Basic cosmetics such as O/W/O type multi-phase emulsion of the present invention can be used for emulsion, the cream of preserving moisture, color make-up cosmetics such as foundation cream (foundation), lipstick, hair cosmetic composition, health apply some make up, fragrant cosmetics, pharmaceuticals such as slow-releasing preparation, preparation microcapsule etc.

Claims (3)

1. O/W/O type multi-phase emulsion, 0.1~10 weight % by will containing (a) O/W/O type multi-phase emulsion at aqueous phase from inorganic acid salt, acylate, the O/W type emulsion dispersion of the chemical compound of selecting in the composition of aminoacid and salt thereof more than a kind more than the 0.1 weight % that contains (b) O/W/O type multi-phase emulsion from carbon number more than 6 fatty acid and the composition of higher alcohol the oil content more than a kind selected, and the weight average molecular weight that is selected from of 0.1~10 weight % of O/W/O type multi-phase emulsion is 1000~1500000 polyvinylpyrrolidone, weight average molecular weight is to make in the macromolecule more than a kind that dissolves in aforementioned oil content of vinylpyrrolidone/vinyl acetate co-polymer of 1000~1500000 and the oil phase that does not contain surfactant, the oil phase of above-mentioned O/W type emulsion and the ratio of water are oil phase: water=90~0.1: 10~99.9 weight ratios, the ratio of O/W type emulsion and outer oil phase is an O/W type emulsion: outer oil phase=50~90: 50~10 weight ratios.
2. O/W/O type multi-phase emulsion, 0.1 weight % by will containing (c) O/W/O type multi-phase emulsion above from carbon number more than 6 fatty acid and the composition of the higher alcohol of carbon number more than 6 oil content more than a kind selected, and the weight average molecular weight that is selected from of 0.1~10 weight % of O/W/O type multi-phase emulsion is 1000~1500000 polyvinylpyrrolidone, weight average molecular weight is that the macromolecule more than a kind that dissolves in aforementioned oil content of vinylpyrrolidone/vinyl acetate co-polymer of 1000~1500000 and the O/W type emulsion dispersion that does not contain surfactant make in (d) oil phase, the oil phase of above-mentioned O/W type emulsion and the ratio of water are oil phase: water=90~0.1: 10~99.9 weight ratios, the ratio of O/W type emulsion and outer oil phase is an O/W type emulsion: outer oil phase=50~90: 50~10 weight ratios.
3. O/W/O type multi-phase emulsion, it is characterized in that, to contain (e) O/W/O type multi-phase emulsion 0.1~10 weight % from inorganic acid salt, acylate, the chemical compound of selecting in the composition of aminoacid and salt thereof more than a kind, 0.1 weight % of O/W/O type multi-phase emulsion above from carbon number more than 6 fatty acid and the composition of the higher alcohol of carbon number more than 6 oil content more than a kind selected, and the weight average molecular weight that is selected from of 0.1~10 weight % of O/W/O type multi-phase emulsion is 1000~1500000 polyvinylpyrrolidone, weight average molecular weight be the high molecular O/W type emulsion dispersion more than a kind that dissolves in aforementioned oil content of vinylpyrrolidone/vinyl acetate co-polymer of 1000~1500000 more than the 0.1 weight % that contains (f) O/W/O type multi-phase emulsion aforementioned oil content and the high molecular oil phase more than a kind that dissolves in aforementioned oil content of 0.1~10 weight % of O/W/O type multi-phase emulsion in make, and do not contain surfactant, the oil phase of above-mentioned O/W type emulsion and the ratio of water are oil phase: water=90~0.1: 10~99.9 weight ratios, the ratio of O/W type emulsion and outer oil phase is an O/W type emulsion: outer oil phase=50~90: 50~10 weight ratios.
CNB031033563A 2002-03-28 2003-01-24 O/W/O type polyphase emulsion Expired - Fee Related CN1208041C (en)

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US8685455B2 (en) 2005-03-31 2014-04-01 Suntory Holdings Limited Oil-in-water emulsions containing lignan-class compounds and compositions containing the same

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CN103040633B (en) * 2013-01-05 2016-05-25 拉芳家化股份有限公司 A kind of silicone oil bag oil-in-water multi-phase emulsion and preparation method
CN105963148A (en) * 2016-07-08 2016-09-28 广州卡迪莲化妆品有限公司 Lip make-up product

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8685455B2 (en) 2005-03-31 2014-04-01 Suntory Holdings Limited Oil-in-water emulsions containing lignan-class compounds and compositions containing the same

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