CN105326650A - Stable soap base composition of liquid crystal structure - Google Patents
Stable soap base composition of liquid crystal structure Download PDFInfo
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- CN105326650A CN105326650A CN201510740023.0A CN201510740023A CN105326650A CN 105326650 A CN105326650 A CN 105326650A CN 201510740023 A CN201510740023 A CN 201510740023A CN 105326650 A CN105326650 A CN 105326650A
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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
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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
- A61K8/0295—Liquid crystals
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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
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/10—General cosmetic use
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/52—Stabilizers
- A61K2800/524—Preservatives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/596—Mixtures of surface active compounds
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Abstract
The invention discloses a stable soap base composition of a liquid crystal structure. The composition is prepared from fatty acid, alkali, a surface active agent, an emulsifying agent, an emollient, a rheological modifier, an acidifier, a corrosion remover and deionized water. A preparation method comprises the steps that the fatty acid, a wetting agent, the emollient, the emulsifying agent and the rheological modifier are mixed to be used as a phase A, the alkali and the water are mixed to be used as a phase B, the phase A and the phase B are heated to 80-85 DEG C till the phase A is completely molten, the phase B is added on the condition that the phase A is stirred in a water bath at the temperature of 80 DEG C, stirring is performed in the water bath at the constant temperature of 80 DEG C for 35-45 min, the surface active agent is added after a saponification is complete, then the mixture is cooled to 40 DEG C, the acidifier, the corrosion remover and the other components are added, then stirring is performed continuously for 20 min, and then the soap base composition of the liquid crystal structure is obtained. The stable soap base composition of the liquid crystal structure is formed by adding the surface active agent, the emulsifying agent, the emollient and other additives.
Description
Technical field
The present invention relates to a kind of stable soap-based compositions containing liquid crystal structure, belong to daily cosmetics field.
Background technology
The discovery of liquid crystal starts from 1888, liquid form and crystalline nature combine by liquid crystal, cash out the character of a series of uniqueness, both there is the form of liquid, there is again the optical property such as birefringence and optical activity of crystal, both mobility and continuing property of speed can be had as liquid, anisotropy as crystal again.
In soap base system, surfactant molecule is due to its amphipathic molecule structure, can form diversified self-organizing structures.And the surfactant structure that forms various ordered aggregation is relevant with its concentration in water, along with the increase of surfactant concentration in water, micellar structure (spherical micelle, rod-shaped micelle) is formed to liquid crystal structure (layered liquid crystal, hexagonal liquid crystal, cubic liquid crystal) by monomer, wherein, layered liquid crystal and hexagonal liquid crystal are anisotropy, have birefringence, can observe polarisation texture, cubic liquid crystal is each side's same sex, cannot observe its polarisation texture.Layered liquid crystal is commonplace in actual applications.
The liquid crystal structure that soap and surfactant are formed is relatively stable under limited conditions, limits its application in household chemicals field.
Summary of the invention
An object of the present invention is to provide a kind of stable soap-based compositions containing liquid crystal structure, reaches effect that is clean and skin moistening.
Two of object of the present invention is to provide above-mentioned a kind of soap-based compositions containing liquid crystal structure, and its preparation process has the features such as simple to operate.
Know-why of the present invention
The scope that soap and cosurfactant carry out composite formation liquid crystal structure is less, by adding a small amount of solid grease and emulsifying agent in system, the scope of System forming liquid crystal structure can be increased on the one hand, and contribute to the stability of maintenance system, the zest of soap base system can be reduced on the other hand, increase soothing effect.
Technical scheme of the present invention
A stable soap-based compositions containing liquid crystal structure, counts by weight percentage, its raw material composition and content as follows:
The satisfied fatty acid that described fatty acid comprises is lauric acid, myristic acid, Palmic acid and stearic acid, wherein, lauric acid and myristic acid account for total fatty acids 50-80% weight percentage with the relative weight ratio of 1: 1 to 1: 3, and Palmic acid and stearic acid account for the 20-50% weight percentage of total fatty acids.
Described alkali comprises potassium hydroxide, sodium hydroxide and triethanolamine.Alkali number with in and fatty acid mixt 70-100% molar content and regulate in the scope of pH most about 8.5-10.0.Establish the upper limit of pH scope, gentle to guarantee user skin, and establish the lower limit of pH value range, to guarantee neutralization or saponified fat acid.
Described surfactant is anion surfactant, zwitterionic surfactant and non-ionic surface active agent, and the mass percentage of zwitterionic surfactant is greater than the total content of anion surface active and non-ionic surface active agent.Wherein anion surfactant includes, but are not limited to the mixture of one or more compositions in ammonium lauryl sulfate, laureth ammonium sulfate, laureth potassium sulfate, AESA salt, polyoxyethylenated alcohol sodium sulfate salt, sodium lauryl sulphate, lauryl sulphate acid potassium, lauryl alcohol sulphonic acid sodium, lauryl alcohol potassium sulfate, methyl lauroyl benzene sulfonic acid sodium salt, dodecylbenzene sodium sulfonate, lauryl both sexes guanidine-acetic acid sodium.Zwitterionic surfactant includes, but are not limited to coco dimethyl carboxymethyl betanin, cocamidopropyl betaine, coco betaine, oleyl betaine alkali, cetyl dimethyl carboxymethyl betanin, lauryl two-(2-ethoxy) carboxymethyl betaine, stearyl be two-and (2-ethoxy) carboxymethyl betaine, lauryl be two-and (2-hydroxypropyl)-carboxy-ethyl betaine, stearyl dimethyl hydroxypropyl betanin, lauryl dimethyl ethoxy betanin, lauryl be two-(2-ethoxy) azochlorosulfonate propyl lycine and composition thereof.Non-ionic surface active agent includes, but are not limited to C16-C22 alkyl phenol-alcoxyl oxide condensate, the condensation product of C8-C18 aliphatic series uncle or Zhong Zhilian or branching alcohol and oxirane and the product made by product and the condensation of alcoxyl ethane of expoxy propane and ethylenediamine, one or more mixture of alkyl polysaccharide.
Described emollient includes, but are not limited to cetostearyl alcohol, octadecanol, hexadecanol, one or more mixture of stearic acid.
Described emulsifying agent includes, but are not limited to glyceryl monostearate, stereth-20, sucrose fatty acid ester, SS/SSE-20 (methylglycoside sesquistearate/methylglycoside PEG-20 sesquistearate), one or more mixture of tristerin/PEG-100 stearic acid ester.
Described rheology control agent includes, but are not limited to the mixture of one or more compositions in carbomer, methylcellulose, ethyl cellulose, hydroxy methocel, hydroxyethyl-cellulose, hydroxypropyl cellulose, guar gum, Radix Acaciae senegalis, xanthan gum.
Described acidulant is selected from organic acid, mineral acid and composition thereof.
Described acidulant includes, but are not limited to the mixture of citric acid, acetic acid, salicylic acid, lactic acid, hydroxyacetic acid, natural tartaric acid, hydrochloric acid, nitric acid, sulfamic acid, one or more compositions of phosphoric acid.Described antiseptic is 1,3-dihydroxymethyl-5,5-dimethyl hydantoin, propylparaben or Kazon.
Above-mentioned a kind of preparation method, step is as follows:
First fatty acid, emollient, emulsifying agent, rheology control agent are mixed as A phase, alkali mixes with water as B phase, respectively A, B heat phase to 80 ~ 85 DEG C to A phase is all melted, with 80 DEG C of water-bath A phases, B phase is added under stirring condition, constant temperature 80 DEG C of stirring in water bath 35 ~ 45min, treat that saponification is complete, add surfactant, then this mixture is cooled to 40 DEG C, add acidulant and antiseptic and other compositions, then continue to stir 20min, obtain a kind of stable soap-based compositions containing liquid crystal structure.
Result of the present invention shows, in the soap base system of soap and surfactant compound, adds solid grease and emulsifying agent, contributes to the liquid crystal structure that formation rule is stable.
Beneficial effect of the present invention
A kind of stable soap-based compositions containing liquid crystal structure of the present invention, by changing the ratio of various fatty acid in fatty acid mixt, when content of myristic acid is higher than other content of fatty acid, can form stratiform liquid crystal structure.
A kind of stable soap-based compositions containing liquid crystal structure of the present invention, when the content of zwitterionic surfactant in the surfactant mixture added is higher than anion and nonionic, contributes to the layered liquid crystal structure of formation rule.
A kind of stable soap-based compositions containing liquid crystal structure of the present invention, by adding solid grease as emollient, with emulsifying agent combined effect, effectively improves the stability of soap and surfactant formation liquid crystal structure.
A kind of stable soap-based compositions containing liquid crystal structure of the present invention, preparation technology is simple, workable.While increasing system stability, reduce the zest of soap base system, the application of soap base system is had important practical significance.
Accompanying drawing explanation
Figure 1 shows that the polarizing microscope photo of a kind of stable soap-based compositions containing liquid crystal structure described in embodiment 3.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in this.
Raw material specification used in various embodiments of the present invention and manufacturer are as table 1
embodiment 1
A stable soap-based compositions containing liquid crystal structure, counts by weight percentage, its raw material composition and content as follows:
Described fatty acid is satisfied fatty acid lauric acid, myristic acid, Palmic acid and stearic acid, wherein lauric acid content is 10% mass percentage, content of myristic acid is 10% mass percentage, and palmitic acid content is 3% mass percentage, and stearic acid content is 2% mass percentage.
Described alkali selects potassium hydroxide.Alkali number counts 5.73% with neutralization or saponification 80% total fatty acid content, regulates in the scope of pH most about 9.2-9.8.
Described surfactant is selected from anion surfactant, zwitterionic surfactant and non-ionic surface active agent.Wherein anion surfactant comprises the mixture of one or both compositions in laureth ammonium sulfate, AESA salt.Zwitterionic surfactant comprises one or both mixture formed of cocamidopropyl betaine, coco betaine.Non-ionic surface active agent is alkyl polyglucoside.The content of anion surfactant is 2%, and the content of zwitterionic surfactant is 6%, and the content of non-ionic surface active agent is 2%.
Described emollient is cetostearyl alcohol.
Described emulsifying agent includes, but are not limited to the mixture of one or more of glyceryl monostearate, stereth-2.
Described rheology control agent includes but not limited to the mixture of one or more compositions in methylcellulose, ethyl cellulose, hydroxy methocel, hydroxyethyl-cellulose.
Described acidulant is selected from organic acid.
Described acidulant includes, but are not limited to the mixture of citric acid, acetic acid, salicylic acid, one or more compositions of lactic acid.
Described antiseptic is Kazon.
embodiment 2
A stable soap-based compositions containing liquid crystal structure, counts by weight percentage, its raw material composition and content as follows:
Described fatty acid comprises lauric acid, myristic acid, Palmic acid and stearic acid, wherein lauric acid content is 5% mass percentage, content of myristic acid is 10% mass percentage, and palmitic acid content is 3% mass percentage, and stearic acid content is 2% mass percentage.
Described alkali selects potassium hydroxide.Alkali number counts 4.73% with neutralization or saponification 85% total fatty acid content, regulates in the scope of pH most about 9.4-10.4.
Described surfactant is selected from anion surfactant, zwitterionic surfactant and non-ionic surface active agent.Wherein anion surfactant comprises the mixture of one or more compositions in polyoxyethylenated alcohol sodium sulfate salt, dodecylbenzene sodium sulfonate, lauryl both sexes guanidine-acetic acid sodium.Zwitterionic surfactant comprises one or both mixture formed of cocamidopropyl betaine, stearyl dimethyl hydroxypropyl betanin.Non-ionic surface active agent is alkyl polyglucoside.The content of anion surfactant is 4%, and the content of zwitterionic surfactant is 8%, and the content of non-ionic surface active agent is 2%.
Described emollient is the mixture of one or both compositions of octadecanol and hexadecanol.
Described emulsifying agent is SS/SSE-20 (methylglycoside sesquistearate/methylglycoside PEG-20 sesquistearate).
Described rheology control agent is carbomer.
Described acidulant is selected from organic acid.
Described acidulant is citric acid.
Described antiseptic is 1,3-dihydroxymethyl-5,5-dimethyl hydantoin.
embodiment 3
A stable soap-based compositions containing liquid crystal structure, counts by weight percentage, its raw material composition and content as follows:
Described fatty acid comprises lauric acid, myristic acid, Palmic acid and stearic acid, wherein lauric acid content is 2% mass percentage, content of myristic acid is 8% mass percentage, and palmitic acid content is 1% mass percentage, and stearic acid content is 1% mass percentage.
Described alkali selects potassium hydroxide.Alkali number counts 3.17% with neutralization or saponification 95% total fatty acid content, regulates in the scope of pH most about 10.5-11.0.
Described surfactant is selected from anion surfactant, zwitterionic surfactant and non-ionic surface active agent.Wherein anion surfactant comprises one or more mixture formed of AESA salt, methyl lauroyl benzene sulfonic acid sodium salt.Zwitterionic surfactant comprises one or both mixture formed of cocamidopropyl betaine, lauryl dimethyl ethoxy betanin.Non-ionic surface active agent is alkyl polyglucoside.The content of anion surfactant is 3%, and the content of zwitterionic surfactant is 7%, and the content of non-ionic surface active agent is 2%.
Described emollient is cetostearyl alcohol.
Described emulsifying agent is glyceryl monostearate
Described rheology control agent is carbomer.
Described acidulant is selected from organic acid.
Described acidulant is citric acid.
Described antiseptic is 1,3-dihydroxymethyl-5,5-dimethyl hydantoin.
The polarizing microscope photo of a kind of stable soap-based compositions containing liquid crystal structure of preparation is as Fig. 1.
As Fig. 1, a kind of stable soap-based compositions containing liquid crystal structure of the present invention is the petal texture of rule under polarisation, shows birefringent optical property.
A kind of stable soap-based compositions containing liquid crystal structure of the present invention, when myristic acid percentage mass content is higher than lauric acid, can form stratiform liquid crystal structure.
A kind of stable soap-based compositions containing liquid crystal structure of the present invention, by adding surfactant mixture, when wherein the content of zwitterionic surfactant is higher than other surfactants, interact with the soap analog anion surfactants that fatty acid neutralizes or saponification is formed, soap surfactant molecule is rearranged, and is formed the layered liquid crystal structure of comparison rule by electrostatic interaction between zwitterionic surfactant molecule.
A kind of stable soap-based compositions containing liquid crystal structure of the present invention, by adding solid grease and emulsifying agent, adds the content of fatty acid scope forming liquid crystal structure, and contributes to complementing each other to form stable layered liquid crystal structure with the soap base formed.
A kind of stable soap-based compositions containing liquid crystal structure of the present invention, by adding oils and fats and emulsifying agent, reducing the content of fatty acid, reducing the zest of soap-based compositions to skin, add soothing effect.
In sum, a kind of stable soap-based compositions containing liquid crystal structure of the present invention, by regulating the ratio of each fatty acid in fatty acid mixt used, when the ratio of myristic acid is higher than lauric acid, stratiform liquid crystal structure can be formed with a small amount of Palmic acid and the composite neutralization of stearic acid or saponification, when zwitterionic surfactant content is higher than anion and non-ionic surface active agent, the layered liquid crystal formed is more regular, by adding oils and fats and emulsifying agent and other additives, add the scope forming stratiform liquid crystal structure, make the liquid crystal structure of formation more regular and stable, also reduce the zest of soap-based compositions, add soothing effect.
The above is only the citing of embodiments of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1. the stable soap-based compositions containing liquid crystal structure, it is characterized in that described soap-based compositions, it comprises:
1) fatty acid mixt of the 2-25% weight percentage of described compositions, comprising:
A) belonging to mixture 50-80% weight percentage with 1: 1 to 1: 3 relative weight than exist C12 fatty acid and C14 fatty acid;
B) the C16-18 fatty acid of the 20-50% weight percentage of described mixture;
C) the 70-100% molar content of described fatty acid mixt is neutralized to form soap;
2) water of the 30-90 weight percentage of described compositions.
2. compositions according to claim 1, it comprises the 2-20% weight percentage surfactant mixture of described compositions further.
3. compositions according to claim 2, described surfactant is selected from anion surfactant, zwitterionic surfactant, non-ionic surface active agent and surfactant mixture thereof, and wherein said zwitterionic surfactant total amount is greater than the total amount of described anion surfactant and non-ionic surface active agent.
4. compositions according to claim 1, it comprises the solid grease of described compositions 2-15% weight percentage further.
5. compositions according to claim 1, it comprises the emulsifying agent of described compositions 0.2-10 weight percentage further.
6. compositions according to claim 1, it comprises the rheology control agent of described compositions 0.05-10 weight percentage further.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109464309A (en) * | 2018-11-22 | 2019-03-15 | 澳宝化妆品（惠州）有限公司 | A kind of moist and stable soap base creams composition |
| CN110846161A (en) * | 2019-11-28 | 2020-02-28 | 上海绿瑞生物科技有限公司 | Soap-based composition for personal washing care |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464309A (en) * | 2018-11-22 | 2019-03-15 | 澳宝化妆品（惠州）有限公司 | A kind of moist and stable soap base creams composition |
| CN109464309B (en) * | 2018-11-22 | 2021-11-26 | 澳宝化妆品（惠州）有限公司 | Moisturizing and stable soap-based cream composition |
| CN110846161A (en) * | 2019-11-28 | 2020-02-28 | 上海绿瑞生物科技有限公司 | Soap-based composition for personal washing care |
| CN110846161B (en) * | 2019-11-28 | 2021-07-13 | 上海绿瑞生物科技有限公司 | Soap-based composition for personal washing care |
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Application publication date: 20160217 |