CN110448483B - Phase inversion emulsion and preparation method thereof - Google Patents
Phase inversion emulsion and preparation method thereof Download PDFInfo
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- CN110448483B CN110448483B CN201910741719.3A CN201910741719A CN110448483B CN 110448483 B CN110448483 B CN 110448483B CN 201910741719 A CN201910741719 A CN 201910741719A CN 110448483 B CN110448483 B CN 110448483B
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
- A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—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
- A61K8/85—Polyesters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
- A61K8/9728—Fungi, e.g. yeasts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
Abstract
The invention discloses a phase inversion emulsifying body, which adopts the technical scheme that polyglycerol fatty acid ester, long-carbon-chain fatty acid and/or long-carbon-chain fatty alcohol are matched with polyacrylic acid thickening agent, and has the characteristics of appearance, state and performance between O/W and W/O, refreshing, light and moist of O/W, moist and luxurious of W/O and long-lasting effect of the two.
Description
Technical Field
The invention relates to a novel phase inversion emulsifying body and a preparation method thereof, wherein the novel phase inversion emulsifying body comprises polyglycerol fatty acid ester, long-carbon-chain fatty acid and/or long-carbon-chain fatty alcohol and polyacrylic acid thickening agent in a specific ratio.
Background
Emulsification generally refers to a mixing process of dispersing mutually immiscible oils into water or dispersing water into oil, and the resultant dispersion is called an emulsion. The emulsion has wide application in the fields of cosmetics, foods, pharmacy, emulsion polymerization of high polymer materials and the like.
In the cosmetic industry, emulsions are particularly useful, and are the most widely used form of formulation, most creams, lotions, and part of the essence and sleep mask being emulsions. The emulsification can make the cosmetics more fine, the formula is more flexible, and the thixotropic property, the viscosity, the appearance, the use feeling and other parameters of the product can be easily improved according to the requirements. Also, emulsions are good carriers of actives and can be applied to the skin uniformly and effectively.
At present, most of emulsion bodies on the market are oil-in-water (O/W) or water-in-oil (W/O), but each emulsion body has respective advantages and disadvantages, and the O/W emulsion bodies are fresh, cool, not sticky and greasy, are deeply favored by wide consumers, but are relatively not moist enough, and the moisture retention is not lasting, so that the O/W emulsion bodies are applied to foundation foundations and sunscreen products, and are not water-resistant and sweat-resistant; the W/O emulsion is commonly used for foundation make-up, sun protection, water cream and products in winter, can keep moisture and moisten, can permanently moisten skin, is relatively waterproof and sweat-resistant, is thick and sticky, and is slippery and greasy to clean after production of boilers, production tools and utensils.
Based on the improvement of the above limitations, new emulsification techniques are continuously emerging with the scientific progress.
5363 in the "phase inversion emulsification" published by Jiang Yingtao, a phase inversion point emulsification method (EIP method) is described in detail, and the specific principle is as follows: the aqueous phase is added dropwise to the surfactant-containing oil phase, initially, since the volume fraction of water is too low, the interfacial film composed of the surfactant having a high hydrophilic-lipophilic balance (HLB value) is not sufficiently rigid to bend and retain its natural curvature (bending to the oil), and a water-in-oil system is formed. When the volume fraction of water reaches an understood packing value (inversion point), the two forces combine to suddenly invert into a water-in-oil system. EIP is expressed in cubic centimeters of water added per cubic centimeter of oil phase as the phase transitions.
Qiu Bingyi, in the publication of "emulsification and selection of emulsifier for use in the cosmetics industry (iii)" (now), details a phase transition temperature method (PIT method), which specifically has the following principles: the solubility, HLB value, of nonionic surfactants varies significantly with temperature. As the temperature increases, the hydrophilic group of the nonionic surfactant is hydrated to a lesser extent, thereby decreasing its hydrophilicity and HLB value. Thus, for a particular nonionic surfactant (e.g., polyoxyethylene-containing nonionic surfactant) -oil-water system, there is a narrow temperature range above which the nonionic surfactant dissolves in the oil phase and below which it dissolves in the water phase, and as the temperature is gradually lowered, the system changes from W/O to O/W. The temperature at which phase inversion occurs is called the phase transition temperature (PIT).
However, none of these prior art teach or suggest fully considering the effect of other ingredients in the emulsion formulation, especially thickeners, on the phase inversion emulsification process, not to mention the recognition or understanding of any unique benefits achieved by selecting the compatibility of the thickener with other ingredients in the system.
After a great deal of research work carried out by the inventors of the present invention in the field of the aforementioned phase inversion emulsions, it was unexpectedly found that a polyglycerol fatty acid ester, a long-carbon-chain fatty acid and/or a long-carbon-chain fatty alcohol, in combination with a polyacrylic thickener, can quickly snatch a part of water combined with an emulsifier during neutralization, thereby causing phase inversion of the emulsion, and a novel phase inversion emulsion (Oil-in-water transfer to water-in-Oil emulsion, abbreviated as WTO emulsion) having both appearance, state and performance between O/W and W/O, both of which are refreshing, light and moist of O/W and luxurious moist of W/O is obtained.
Disclosure of Invention
The invention aims to provide a phase-inversion emulsifying body, which adopts the technical scheme that polyglycerol fatty acid ester, long-carbon-chain fatty acid and/or long-carbon-chain fatty alcohol are matched with polyacrylic acid thickening agent, and has the characteristics of appearance, state and performance between O/W and W/O, refreshing, light and moist of O/W, luxury moist of W/O and long-lasting effect of both.
The specific technical scheme of the invention is as follows:
a phase inversion emulsion comprising, based on the total weight of the phase inversion emulsion:
(a) 1-3% of polyglycerol fatty acid ester;
(b) 0.5-3% of a long carbon chain fatty acid and/or a long carbon chain fatty alcohol;
(c) 0.1-1% of polyacrylic acid thickening agent; and
(d) 0.05-1% of pH value regulator, wherein the HLB value of the polyglycerol fatty acid ester is 7-12.
In some of these embodiments, the polyacrylic thickener is present in an amount of 0.5 to 1wt%.
In some embodiments, the phase inversion emulsion further comprises (e) 0.05-0.5wt% of a hydrophilic high molecular polymer.
The invention also relates to the application of the phase inversion emulsion in skin care products. Skin care products in different formulations, such as cream, emulsion, essence, sleeping mask and the like can be prepared by adjusting the proportion of the thickening agent, the emulsifying agent, the oil phase and the water phase.
The preparation process of the phase inversion emulsifying body is similar to that of a common oil-in-water emulsifying body, and mainly comprises the following steps: mixing the water phase raw materials, uniformly dispersing, and heating to 80-85 ℃ to obtain a water phase; mixing the oil phase raw materials, uniformly dispersing, and heating to 80-85 ℃ to obtain an oil phase; adding the oil phase into the water phase under stirring, and starting homogenizing for 3-5 minutes; cooling to 60 deg.C under stirring, and adding pH regulator; cooling to room temperature under stirring, and inspecting to obtain the final product.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
(1) The invention provides a phase-inversion emulsifier, which adopts the technical scheme that a polyglycerol fatty acid ester O/W emulsifier, long-carbon-chain fatty acid and/or long-carbon-chain fatty alcohol are matched with a high-content polymer, and has the characteristics that the appearance, the state and the performance are all between O/W and W/O, the appearance, the state and the performance are refreshing, light and moist of O/W, and the W/O is moistened and luxurious, and the appearance, the state and the performance are long and luxurious.
(2) The preparation process of the phase inversion emulsified body is simple and convenient, is easy for large-scale production, does not need a time-consuming and labor-consuming dropping process of an EIP method, and does not need strict temperature control of a PIT method.
Drawings
FIG. 1 is a diagram showing the water dissolution of example I;
FIG. 2 is a diagram showing the water dissolution in example II;
FIG. 3 is a diagram showing the water dissolution in example III;
FIG. 4 is a diagram showing the water dissolution of example IV;
FIG. 5 is a graph showing the water dissolution of comparative example I;
FIG. 6 is a diagram showing the water dissolution of comparative example II;
FIG. 7 is a graph showing the water dissolution of comparative example III;
FIG. 8 is a diagram showing the water dissolution of a commercially available water-in-oil cream.
Detailed Description
The features and advantages of various embodiments of the present invention will become apparent from the following description, which is intended to give an illustration of specific embodiments that are broadly representative of the invention. Various modifications will be apparent to those skilled in the art from this description and from practice of the invention. The scope of the invention is not intended to be limited to the particular forms disclosed, and the invention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the claims.
A. Emulsifier
The emulsifier suitable for the phase inversion emulsifying body is polyglycerol fatty acid ester. Polyglycerol fatty acid esters are mild emulsifiers and are prepared by esterifying natural glycerol and fatty acid at high temperature, lipophilic group is ester generated by reaction, and hydrophilic group is unreacted hydroxyl. By changing the polymerization degree, acidification value and fatty acid type of the glycerol, a series of polyglycerol fatty acid esters with different HLB values (hydrophilic-lipophilic balance values) can be obtained. Suitable HLB values for the polyglyceryl fatty acid esters contemplated by the present invention range from about 7 to about 12, or from about 8 to about 10.
Exemplary polyglyceryl fatty acid ester emulsifiers for use in the invert emulsion include polyglyceryl-2 laurate, polyglyceryl-2 stearate, polyglyceryl-10 myristate, polyglyceryl-3 distearate, and mixtures thereof.
The phase inversion emulsion may comprise from about 1% to 3%, or from about 1.5% to about 2.5%, by weight of the phase inversion emulsion, of an emulsifier.
B. Auxiliary emulsifier
The auxiliary emulsifier is an important component in the emulsion, can be adsorbed on an oil-water interface, further reduces the interfacial tension, enhances the fluidity of an interfacial film, reduces the bending energy required by the emulsion during formation, and plays a positive role in the stability of a system.
The co-emulsifier suitable for the phase inversion emulsifier of the invention can be a long carbon chain fatty acid and/or a long carbon chain fatty alcohol.
The long carbon chain fatty acids suitable for use in the co-emulsifier of the present invention are fatty acids having from about 10 to 30 carbon atoms, preferably from about 16 to 22 carbon atoms. The fatty acids are saturated and may be straight chain acids or branched chain acids, and may be mono-, di-and other polybasic acids.
Exemplary fatty acids for use in the phase inversion emulsions include lauric acid, palmitic acid, myristic acid, behenic acid, sebacic acid, and mixtures thereof.
The long carbon chain fatty alcohols useful in the coemulsifiers of the present invention are those having from about 14 to 30 carbon atoms, preferably from about 16 to 22 carbon atoms. The fatty alcohol is saturated and may be a straight or branched chain alcohol.
Exemplary fatty alcohols for use in the phacoemulsification include cetyl alcohol, stearyl alcohol, cetearyl alcohol, behenyl alcohol, and mixtures thereof.
The phase inversion emulsion may comprise from about 0.5% to about 3%, alternatively from about 1% to about 2%, by weight of the phase inversion emulsion, of a co-emulsifier.
C. Aqueous phase thickener
The water phase thickener is a common component in an emulsion body, can improve and adjust the viscosity, and obtains the properties of stability, sedimentation resistance, thixotropy and the like.
The water phase thickener suitable for the phase inversion emulsified body is mainly polyacrylic acid thickener. The molecular chain of the polyacrylic acid thickener contains a certain amount of carboxyl, and when the polyacrylic acid thickener is neutralized by alkali, the polyacrylic acid thickener can quickly absorb water to swell, and the viscosity of a system is suddenly increased. The inventor of the invention unexpectedly finds that in a specific emulsion body formed by matching polyglycerol fatty acid ester, long-carbon-chain fatty acid and/or long-carbon-chain fatty alcohol with a polyacrylic acid thickening agent, a part of water combined with an emulsifier can be quickly snatched away when the polyacrylic acid thickening agent is neutralized, so that the emulsion body is subjected to phase inversion, and the phase inversion emulsion body with special appearance, state and performance is prepared.
Exemplary polyacrylic thickeners for use in the phacoemulsification fluids include carbomers, acrylic/C10-30 alkanol acrylate crosspolymers, acrylic copolymers, and mixtures thereof.
Suitable carbomers may include the materials available under the trade names "Carbopol 676", "Carbopol 934", "Carbopol 940", "Carbopol 941", "Carbopol 980", "Carbopol 981", "Carbopol Ultrez 10", "Carbopol Ultrez 30", "Carbopol Silk 100" (from Lubok specialty Chemicals, inc., USA); suitable CARBOMERs may also include materials (from Guangzhou Tiancii high New Material Ltd.) available under the trade designations "TC-CARBOMER 340", "TC-CARBOMER 380", "TC-CARBOMER 351", "TC-CARBOMER 356", "TC-CARBOMER 381", "TC-CARBOMER 276", "TC-CARBOMER 334", "TC-CARBOMER 341", "TC-CARBOMER 396", "TC-CARBOMER 390"; suitable carbomers may also include materials available under the trade designations "AQUPEC HV-505HC" and "AQUPEC HV-501" (from Nippon Sumitomo Seiki Co., ltd.); suitable carbomers may also include materials available under the trade designations "Polygel CA", "Polygel CB" (from 3V SIGMA company, italy).
Suitable acrylic/C10-30 alkanol acrylate crosspolymers may include materials (from Doubemon specialty Chemicals, inc. USA) under the trade designations "Carbopol ETD 2020", "Carbopol Ultrez 21", "Carbopol Ultrez 20", "Carbopol SC-200", "Pemulen TR-1", "Pemulen TR-2"; suitable acrylic/C10-30 alkanol acrylate crosspolymers may also include materials having the trade designation "TC-CARBOMER FD2010" (from Tench high New materials, inc., guangzhou).
Suitable acrylic copolymers may include materials available under the trade designations "Carbopol Aqua SF-1", "Carbopol Aqua SF-2" (from Luborun specialty Chemicals, inc., USA); a feedstock (from SIGMA, 3V, italy) under the trade name "Synthalen W400" may also be included.
The phase inversion emulsion may comprise from about 0.1% to about 1%, alternatively from about 0.5% to about 1%, by weight of the phase inversion emulsion, of a polyacrylic thickener.
The pH value regulator is used for neutralizing the polyacrylic acid thickening agent. Non-limiting examples of pH adjusters include aminomethyl propanol, aminomethyl propylene glycol, tromethamine, arginine, triethanolamine, potassium hydroxide, sodium hydroxide, and mixtures thereof. The pH adjusting agent is added in an amount of about 0.05% to about 1%.
The aqueous phase thickener suitable for the phase inversion emulsion of the present invention may further include a hydrophilic high molecular polymer. The inventors of the present invention have found that the addition of a certain amount of a hydrophilic high molecular polymer assists the phase inversion process of the phase inversion emulsion. The hydrophilic polymer may be natural or synthetic, and non-limiting examples include xanthan gum, tremella FUCIFORMIS (Tremella FUCIFORMIS) polysaccharide, sodium hyaluronate, hydroxyethyl cellulose, guar gum, sclerotinia sclerotiorum gum, and mixtures thereof.
The phase inversion emulsion may comprise from about 0.05% to about 0.5%, alternatively from about 0.1% to about 0.3%, by weight of the phase inversion emulsion, of the hydrophilic high molecular polymer.
Examples and data
The following examples illustrate the phase inversion emulsions described herein. Exemplary compositions can be prepared by conventional formulation and emulsification techniques. It is to be understood that other modifications may be made by those skilled in the art of commodity chemicals without departing from the spirit and scope of the invention. All parts, percentages and percentages herein are by weight unless otherwise indicated. Some ingredients may come from suppliers in the form of dilute solutions. The amounts reflect the weight percent of the active unless otherwise indicated.
4 exemplary phase inversion emulsions were prepared, as well as 3 comparative emulsions. The following table 1 and table 2 are specifically provided:
TABLE 1 examples I to IV
TABLE 2 comparative examples I to III
The preparation method comprises the following steps: the preparation methods of the above examples I to IV and comparative examples I to III are as follows:
(1) Adding emulsifier (such as polyglycerol-2 laurate, polyglycerol-10 myristate, and polyglycerol-2 stearate), auxiliary emulsifier (such as cetearyl alcohol, and stearic acid), mineral oil, cyclopentadimethylsiloxane, cyclohexasiloxane, hydrogenated polyisobutene, and propyl hydroxybenzoate into oil phase, mixing, dispersing, and heating to 80-85 deg.C to obtain oil phase;
(2) Adding water, methyl hydroxybenzoate, disodium EDTA, butanediol, glycerol, and water phase thickener (such as carbomer, tremella FUCIFORMIS (Tremella FUCIFORMIS) polysaccharide, and xanthan gum) into emulsifying pot, mixing, dispersing, and heating to 80-85 deg.C to obtain water phase;
(3) Adding the oil phase raw materials into the water phase under stirring, and starting homogenizing for 3-5 minutes;
(4) Cooling to 60 deg.C under stirring, and adding pH regulator (such as triethanolamine and arginine);
(5) Cooling to room temperature under stirring, and inspecting to obtain the final product.
In order to demonstrate the properties of the phase inversion emulsions prepared in the above examples and comparative examples, the following tests were arranged:
(I) stability test
(1) And respectively placing the samples prepared in the embodiments I-IV and the comparative examples I-III in an environment of 45 ℃,5 ℃ and 8 ℃ below zero for one month, and observing whether phenomena such as layering demulsification, thickening, obvious thinning and the like exist to investigate the stability condition.
TABLE 3 stability notes Table
As can be seen from Table 3, the phase inversion emulsion prepared in the examples of the present invention passed the stability test at 45 deg.C, 5 deg.C and 8 deg.C for 20 days, and the phase inversion emulsion was a relatively stable emulsion.
(2) And discharging the samples prepared in the examples I to IV and the comparative examples I to III, standing for 24h, and performing centrifugal test at 3000rpm and 30min at 5d and 30d. Whether the phase separation is carried out or not is used as a passing index to examine the centrifugal stability of the phase inversion emulsion.
TABLE 4 centrifugal stability chart
As can be seen from table 4, the phase inversion emulsion obtained in the examples of the present invention passes the centrifugal test for different time periods, which shows that the phase inversion emulsion of the present invention is a relatively stable emulsion and is not easily changed with the passage of time.
Therefore, the heat resistance, cold resistance and centrifugal test of the phase inversion emulsified body provided by the invention all meet the physicochemical indexes specified in QB/T1857 skin-moistening cream and GB/T29665 skin-care emulsion.
(II) testing of characteristics
(1) 1g of each of the samples prepared in examples I to IV and comparative examples I to III and the commercially available water-in-oil cream was put into 100g of deionized water, stirred for 1 minute, and then the water-dissolving condition was observed, and the specific conditions are shown in Table 5 and attached figures 1 to 8.
TABLE 5 Water-dissolving recording table
As can be seen from Table 5 and FIGS. 1 to 8, the water-solubility of the phase inversion emulsions obtained in the examples of the present invention is different from that of the oil-in-water emulsions and the water-in-oil emulsions.
(2) Conductivity tests were performed on the samples prepared in examples I to IV and comparative examples I to III and on a commercially available water-in-oil cream. Standing for 24h after discharging, directly inserting the probe of the conductivity meter into the sample for reading, and recording the specific record in table 6.
Table 6 conductivity test readings
As can be seen from Table 6, the conductivity of the phase inversion emulsions prepared in the examples of the present invention is the same as that of the water-in-oil emulsions, and is different from those of comparative examples I to III of the oil-in-water system.
(3) The samples prepared in example I and comparative example I and a commercial water-in-oil cream were subjected to a smear test. The specific test method is to place 0.1g of the material on the back of the hand, apply the material to the back of the hand with the closed middle and ring fingers until the material is absorbed, carefully feel the feeling of use during the application process, and record the following table 7.
TABLE 7 smearing test
As can be seen from Table 7, the phase inversion emulsion prepared in the examples of the present invention has a moist feeling when it is applied, and then the feeling of use is suddenly changed to moist feeling when it is applied, and finally the emulsion is moist but not greasy.
In conclusion, the invention produces a novel phase-inversion emulsion which has the appearance, state and performance between those of O/W and W/O, has the refreshing, light and moist properties of O/W and the luxurious moisturizing property of W/O and has the advantages of both appearance, state and performance.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention will still fall within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.
Claims (8)
1. The phase-inversion emulsifying body is characterized by comprising the following raw materials in percentage by mass:
(a) 1-3% of polyglyceryl fatty acid ester, wherein the polyglyceryl fatty acid ester is polyglyceryl-2 laurate, polyglyceryl-2 stearate, polyglyceryl-10 myristate or a mixture thereof; wherein the HLB value of the polyglycerol fatty acid ester is 7-12;
(b) 0.5-3% of a long carbon chain fatty acid and/or a long carbon chain fatty alcohol;
(c) 0.1-1% of polyacrylic acid thickening agent;
(d) 0.05-1% of pH value regulator;
(e) 0.05-0.5% of hydrophilic high molecular polymer;
(f) The balance of water.
2. The phase inversion emulsion as claimed in claim 1, wherein the polyacrylic thickener is contained in an amount of 0.5 to 1wt%.
3. The phase inversion emulsion as claimed in claim 1, wherein the long carbon chain fatty acid is lauric acid, palmitic acid, myristic acid, behenic acid, sebacic acid, or a mixture thereof.
4. The phase inversion emulsion of claim 1, wherein the long carbon chain fatty alcohol is cetyl alcohol, stearyl alcohol, cetearyl alcohol, behenyl alcohol, and mixtures thereof.
5. The phase inversion emulsion of claim 1, wherein said polyacrylic thickener is carbomer, cross-linked polymers of acrylic acid/C10-30 alkanol acrylate, copolymers of acrylic acid and mixtures thereof.
6. The phase inversion emulsion as claimed in claim 1, wherein the pH regulator is aminomethyl propanol, aminomethyl propylene glycol, tromethamine, arginine, triethanolamine, potassium hydroxide, sodium hydroxide, or a mixture thereof.
7. Use of the phase inversion emulsion of any one of claims 1 to 6 for the preparation of a skin care product.
8. The phase inversion emulsifying body is characterized by comprising the following components in percentage by mass: polyglycerol-2 laurate 2%, cetostearyl alcohol 1%, mineral oil 5%, cyclopentasiloxane 0.9%, cyclohexasiloxane 0.6%, hydrogenated polyisobutene 2%, propylparaben 0.05%, methylparaben 0.15%, disodium EDTA 0.03%, butylene glycol 8%, glycerol 2%, carbomer 0.5%, TREMELLA FUCIFORMIS (tremela FUCIFORMIS) polysaccharide 0.2%, triethanolamine 0.5%, phenoxyethanol 0.3%, and balance water.
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| CN112691065A (en) * | 2021-02-08 | 2021-04-23 | 福建片仔癀化妆品有限公司 | Moisturizing emulsion and preparation method thereof |
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| CN115844769A (en) * | 2022-12-26 | 2023-03-28 | 上海家化联合股份有限公司 | Stable emulsion system containing oil globule composition |
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| CN1845720A (en) * | 2003-08-12 | 2006-10-11 | J&C国际有限公司 | Concentrated and diluted stable oil/water emulsions |
| FR2983065A1 (en) * | 2011-11-25 | 2013-05-31 | Oreal | TINTED EMULSION |
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| CN104829849B (en) * | 2015-05-22 | 2017-09-19 | 山东奔腾漆业股份有限公司 | A kind of alkyd phase inversion emulsion and preparation method and application |
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| CN1845720A (en) * | 2003-08-12 | 2006-10-11 | J&C国际有限公司 | Concentrated and diluted stable oil/water emulsions |
| FR2983065A1 (en) * | 2011-11-25 | 2013-05-31 | Oreal | TINTED EMULSION |
| CN106176302A (en) * | 2016-08-15 | 2016-12-07 | 广州澳希亚实业有限公司 | A kind of phase inversion sunscreen composition and preparation method thereof |
| CN109248116A (en) * | 2017-10-01 | 2019-01-22 | 漳州怡嘉化妆品有限公司 | A kind of natural active hydrating cream mild with phase inversion technique preparation |
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