CN114224785B - Organosilicon elastomer composition and preparation method and application thereof - Google Patents
Organosilicon elastomer composition and preparation method and application thereof Download PDFInfo
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- CN114224785B CN114224785B CN202111650517.1A CN202111650517A CN114224785B CN 114224785 B CN114224785 B CN 114224785B CN 202111650517 A CN202111650517 A CN 202111650517A CN 114224785 B CN114224785 B CN 114224785B
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- 239000000203 mixture Substances 0.000 title claims abstract description 56
- 229920001971 elastomer Polymers 0.000 title claims abstract description 16
- 239000000806 elastomer Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- -1 polydimethylsiloxane Polymers 0.000 claims abstract description 98
- 210000004209 hair Anatomy 0.000 claims abstract description 78
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 70
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 70
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 36
- 229920006037 cross link polymer Polymers 0.000 claims abstract description 33
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 16
- 229930182478 glucoside Natural products 0.000 claims abstract description 16
- 229920000570 polyether Polymers 0.000 claims abstract description 16
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 16
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 16
- 239000003085 diluting agent Substances 0.000 claims abstract description 15
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims abstract description 15
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 15
- 239000000839 emulsion Substances 0.000 claims abstract description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 20
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- HDTRYLNUVZCQOY-UHFFFAOYSA-N α-D-glucopyranosyl-α-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OC1C(O)C(O)C(O)C(CO)O1 HDTRYLNUVZCQOY-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 229920002125 Sokalan® Polymers 0.000 claims description 7
- HDTRYLNUVZCQOY-WSWWMNSNSA-N Trehalose Natural products O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 HDTRYLNUVZCQOY-WSWWMNSNSA-N 0.000 claims description 7
- HDTRYLNUVZCQOY-LIZSDCNHSA-N alpha,alpha-trehalose Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 HDTRYLNUVZCQOY-LIZSDCNHSA-N 0.000 claims description 7
- 235000019437 butane-1,3-diol Nutrition 0.000 claims description 7
- 229960001631 carbomer Drugs 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 239000003921 oil Substances 0.000 abstract description 3
- 239000012071 phase Substances 0.000 abstract description 3
- 239000002562 thickening agent Substances 0.000 abstract description 3
- 239000008346 aqueous phase Substances 0.000 abstract description 2
- 238000004945 emulsification Methods 0.000 abstract description 2
- 239000003995 emulsifying agent Substances 0.000 abstract description 2
- 230000008719 thickening Effects 0.000 abstract description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 49
- 239000006071 cream Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 14
- LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 description 8
- 230000006378 damage Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- OSCJHTSDLYVCQC-UHFFFAOYSA-N 2-ethylhexyl 4-[[4-[4-(tert-butylcarbamoyl)anilino]-6-[4-(2-ethylhexoxycarbonyl)anilino]-1,3,5-triazin-2-yl]amino]benzoate Chemical compound C1=CC(C(=O)OCC(CC)CCCC)=CC=C1NC1=NC(NC=2C=CC(=CC=2)C(=O)NC(C)(C)C)=NC(NC=2C=CC(=CC=2)C(=O)OCC(CC)CCCC)=N1 OSCJHTSDLYVCQC-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 229940008099 dimethicone Drugs 0.000 description 4
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 description 4
- 239000004292 methyl p-hydroxybenzoate Substances 0.000 description 4
- 229960002216 methylparaben Drugs 0.000 description 4
- 238000009472 formulation Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010013954 Dysphoria Diseases 0.000 description 1
- 208000021663 Female sexual arousal disease Diseases 0.000 description 1
- 206010019049 Hair texture abnormal Diseases 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 208000006262 Psychological Sexual Dysfunctions Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000013022 formulation composition Substances 0.000 description 1
- 230000003700 hair damage Effects 0.000 description 1
- 210000004919 hair shaft Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229940095673 shampoo product Drugs 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000036561 sun exposure Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000003664 tensile strength of the hair Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- ORGHESHFQPYLAO-UHFFFAOYSA-N vinyl radical Chemical compound C=[CH] ORGHESHFQPYLAO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
- A61K8/894—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
-
- 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
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
-
- 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
- A61K8/89—Polysiloxanes
- A61K8/895—Polysiloxanes containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/002—Preparations for repairing the hair, e.g. hair cure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/12—Preparations containing hair conditioners
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/592—Mixtures of compounds complementing their respective functions
- A61K2800/5922—At least two compounds being classified in the same subclass of A61K8/18
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/594—Mixtures of polymers
Abstract
The invention discloses an organosilicon elastomer composition, a preparation method and application thereof, wherein the organosilicon elastomer composition comprises the following components: polydimethylsiloxane cross-linked polymer, polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, octyl polydimethylsiloxane ethoxy glucoside, polyether modified polysiloxane and diluent. The organosilicon elastomer composition can effectively improve the toughness and glossiness of damaged hair, so that the hair is recovered to a healthy state, and is fresh but not sticky after being used, and the hair is kept dry for a long time. In addition, the organic silicon elastomer composition can be used as an oil phase component to be added into a hair care product, has good compatibility with an aqueous phase component, is easy to emulsify and disperse to form a stable emulsion system, has certain emulsification and thickening effects, reduces the use amount of an emulsifier and a thickening agent in the product, and reduces the product cost.
Description
Technical Field
The invention belongs to the technical field of organosilicon elastomers for daily chemicals, and particularly relates to an organosilicon elastomer composition, a preparation method and application thereof.
Background
Generally, human hair grows at a rate of 14-16 cm per year, and each hair can continue to grow for 2-7 years. A new hair just growing out of the scalp is covered with 6-10 layers of Mao Xiaopi scales with protective effect outside the hair shaft, and the thickness of the new hair is only 3-4 mu m. Over time, the protection layer of the hair scales is damaged and falls off under the influence of nature such as wind and sun exposure and daily life such as carding, hair dryer and the like. For modern society people, the effect of hair is not only limited to physiological functions, but also more in cosmetic effect and social effect, and is a display mode of character of human body, so that hair dyeing and perming become an indispensable part of daily life of partial people in work, interpersonal communication and the like. However, this hair styling process can cause more severe, deeper damage to the hair. The damage caused by natural and human factors leads to the reduction of the moisture content of the hair, the degradation and loss of protein and other changes in physical and chemical properties, so that the hair becomes dry and forked, is easy to break, has rough hand feeling, has reduced glossiness and the like. Therefore, it is necessary to properly use hair-dressing and hair-care products to reduce hair damage and repair and care hair after it is damaged.
The existing commercial hair care products are mostly unsatisfactory in repairing effect on damaged hair after use, and the hair is easy to be greasy after use and poor in use feel due to the fact that more grease components such as acetylated lanolin are added in the formula.
Disclosure of Invention
In order to solve the above-mentioned shortcomings in the prior art, the present invention aims to provide an organosilicon elastomer composition, and a preparation method and application thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a silicone elastomer composition comprising the following components: polydimethylsiloxane cross-linked polymer, polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, octyl polydimethylsiloxane ethoxy glucoside, polyether modified polysiloxane and diluent.
Preferably, the diluent is polydimethylsiloxane, and the viscosity of the polydimethylsiloxane at 25 ℃ is 1 cs-20 cs. The polydimethyl siloxane with the viscosity can effectively disperse the crosslinked polymer in the organic silicon elastomer composition, has good compatibility with oil-soluble components, and the obtained composition is easy to mix and emulsify with water phase to obtain an emulsion system with good stability, and the product can be purchased from the market, such as Shanghai screening quasi-biotechnology Co.
The polydimethylsiloxane crosslinked polymer (INCI name: DIMETHICONE CROSSPOLYMER) and the polydimethylsiloxane/vinyl polydimethylsiloxane crosslinked polymer (INCI name: DIMETHICONE/VINYL DIMETHICONE CROSSPOLYMER) can absorb polar and nonpolar grease, can be used as a thickening agent in a W/O system or a pure oil system, has good compatibility with the grease system, can reduce the viscosity of the formula system, and enables the product to be fresh, not sticky and durable in silky feel.
Octyl polydimethylsiloxane ethoxy glucoside (INCI name: CAPRYLYL DIMETHICONE ETHOXY GLUCOSIDE) imparts a soft, refreshing, slippery, non-greasy feel to the product and gives the product excellent spreadability, which is commonly used in the prior art in skin care and sun care products.
The polyether modified polysiloxane (INCI name: polyether Modified polysiloxane) has good hydrophilicity, can improve the combing property and glossiness of hair, gives the hair silky feel, can reduce the irritation of components such as surfactant and the like to eyes, has physiological inertia, and is very safe to be added into a daily chemical system in a hair care product. Can promote the chemical degradation of clay and nitrate ions under the action of ultraviolet irradiation, and has no pollution to the environment.
Through a great deal of creative experimental researches, the inventor discovers that when four organosilanes, namely polydimethylsiloxane cross-linked polymer, polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, octyl polydimethylsiloxane ethoxy glucoside and polyether modified polysiloxane, are used in combination, the formed organosilicon elastomer composition has good film forming property, damaged hair can be effectively repaired, the toughness and glossiness of the hair are obviously improved, and the hair is recovered to a healthy state. Meanwhile, the organosilicon elastomer composition has fresh and cool use feeling and is not greasy, and can lead the hair to be dried for a long time.
Preferably, the silicone elastomer composition comprises the following components in parts by weight: 10-25 parts of polydimethylsiloxane cross-linked polymer, 5-15 parts of polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, 3-10 parts of octyl polydimethylsiloxane ethoxy glucoside, 5-15 parts of polyether modified polysiloxane and 30-50 parts of diluent. When the components are combined in the above proportions, the silicone elastomer composition can exert a remarkable hair restoration effect.
Preferably, the silicone elastomer composition comprises the following components in parts by weight: 15-20 parts of polydimethylsiloxane cross-linked polymer, 8-12 parts of polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, 5-10 parts of octyl polydimethylsiloxane ethoxy glucoside, 8-12 parts of polyether modified polysiloxane and 40-50 parts of diluent. When the components are combined in the above proportions, the silicone elastomer composition has a better hair restoration effect.
Preferably, the silicone elastomer composition comprises the following components in parts by weight: 18 parts of polydimethylsiloxane cross-linked polymer, 9 parts of polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, 7 parts of octyl polydimethylsiloxane ethoxy glucoside, 10 parts of polyether modified polysiloxane and 44 parts of diluent. When the components are used in combination in the above-mentioned proportions, the silicone elastomer composition is excellent in hair restoration effect.
Preferably, the silicone elastomer composition is prepared by the following steps: mixing a diluent, polyether modified polysiloxane and octyl polydimethylsiloxane ethoxy glucoside, uniformly dispersing, then adding polydimethylsiloxane/vinyl polydimethylsiloxane crosslinked polymer, uniformly dispersing, finally adding polydimethylsiloxane crosslinked polymer, and uniformly dispersing to obtain the organosilicon elastomer composition.
When the organic silicon elastomer composition is prepared, the components can be uniformly mixed and dispersed without heating to form a homogeneous composition.
The invention also provides the application of the organosilicon elastomer composition in hair care products.
The invention also provides a hair care product comprising the silicone elastomer composition.
Preferably, the weight percentage of the organic silicon elastomer composition in the hair care product is 10% -20%.
The invention also provides a hair care emulsion which comprises the following components in percentage by weight: the organic silicon elastomer composition comprises 10% -20% of organic silicon elastomer composition, 0.5% -3% of carbomer, 0.5% -3% of trehalose, 2% -8% of glycerol, 5% -10% of 1, 3-butanediol, 0.1% -0.3% of preservative and the balance of deionized water. The hair care emulsion with the formula has fresh and cool use feeling, is not sticky and greasy, is easy to wash cleanly, ensures long-term dry hair, and has better repairing effect on hair.
The invention also provides a preparation method of the hair care cream, which comprises the following steps: adding carbomer, trehalose, glycerol and 1, 3-butanediol into deionized water, uniformly mixing, slowly adding the organosilicon elastomer composition, homogenizing and emulsifying, adding a preservative, and uniformly dispersing to obtain the hair care cream.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an organic silicon elastomer composition which consists of a polydimethylsiloxane cross-linked polymer, a polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, octyl polydimethylsiloxane ethoxy glucoside, polyether modified polysiloxane and a diluent, wherein the organic silicon elastomer composition can effectively improve the toughness and glossiness of damaged hair, so that the hair is recovered to a healthy state, fresh and not sticky after being used, and the hair is kept dry for a long time. In addition, the organic silicon elastomer composition can be used as an oil phase component to be added into a hair care product, has good compatibility with an aqueous phase component, is easy to emulsify and disperse to form a stable emulsion system, has certain emulsification and thickening effects, reduces the use amount of an emulsifier and a thickening agent in the product, and reduces the product cost.
Detailed Description
The technical solution of the present invention will be further described with reference to the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The starting materials used in the examples were all commercially available; parts in the examples, all refer to parts by weight; the percentages in the examples refer to weight percentages; the polydimethylsiloxane used in the examples had a viscosity of 10 cs at 25 ℃.
Examples 1 to 5 and comparative examples 1 to 4
Examples 1-5 and comparative examples 1-4 provide a hair cream, respectively, comprising the following formulation: 15% of a silicone elastomer composition, 2% of carbomer, 1.5% of trehalose, 6% of glycerol, 8% of 1, 3-butanediol, 0.2% of methylparaben and the balance of deionized water. The preparation method of the hair care cream comprises the following steps: adding carbomer, trehalose, glycerol and 1, 3-butanediol into deionized water, mixing, slowly adding organosilicon elastomer composition, homogenizing, emulsifying, adding methylparaben, and dispersing to obtain hair care cream.
The formulation compositions of the silicone elastomer compositions in the hair care creams of examples 1 to 5 and comparative examples 1 to 4 are shown in table 1.
The silicone elastomer compositions of examples 1-5 were prepared by: mixing a diluent (polydimethylsiloxane), polyether modified polysiloxane and octyl polydimethylsiloxane ethoxy glucoside, uniformly dispersing, then adding a polydimethylsiloxane/vinyl polydimethylsiloxane crosslinked polymer, uniformly dispersing, finally adding the polydimethylsiloxane crosslinked polymer, and uniformly dispersing to obtain the organosilicon elastomer composition.
The preparation methods of the silicone elastomer compositions of comparative examples 1 to 4 refer to the preparation methods of examples 1 to 5.
TABLE 1
| Component (part) | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 |
| Polydimethyl siliconOxoalkane crosslinked polymer | 10 | 15 | 18 | 20 | 25 | - | 18 | 18 | 18 |
| Polydimethylsiloxane/vinyl polydimethylsiloxane crosslinked polymers | 15 | 12 | 9 | 15 | 5 | 9 | - | 9 | 9 |
| Octyl polydimethylsiloxane ethoxy glucoside | 3 | 5 | 7 | 10 | 10 | 7 | 7 | - | 7 |
| Polyether modified polysiloxane | 15 | 12 | 10 | 8 | 5 | 10 | 10 | 10 | - |
| Polydimethylsiloxane | 50 | 40 | 44 | 50 | 30 | 30 | 30 | 40 | 40 |
Note that: in the table "-" indicates that the component was not added.
Example 6
Example 6 provides a hair cream comprising the following ingredients: 10% of a silicone elastomer composition, 2% of carbomer, 1.5% of trehalose, 6% of glycerol, 8% of 1, 3-butanediol, 0.2% of methylparaben and the balance of deionized water. The silicone elastomer composition used in this example was the same in formulation as in example 3.
Example 7
Example 7 provides a hair care cream comprising the following formula: 20% of a silicone elastomer composition, 2% of carbomer, 1.5% of trehalose, 6% of glycerol, 8% of 1, 3-butanediol, 0.2% of methylparaben and the balance of deionized water. The silicone elastomer composition used in this example was the same in formulation as in example 3.
Example 8
The hair care creams of examples 1 to 7 and comparative examples 1 to 4 were tested for their hair restoration effect:
collecting hair bundles cut by volunteers, cleaning the hair bundles in vitro and drying for later use. The hair cream is used for treating the hair bundle in vitro, and then is washed by water and dried. The tensile force and glossiness of the hair tress before and after the hair care treatment are respectively tested, and the change rate is calculated through the front and back test data. A commercially available hair care cream was used as a control.
Change rate (%) = (post-process data-pre-process data)/pre-process data
Gloss test: the hair strands were finished to a continuous flat plane with a thickness of at least 2mm and the gloss of the hair plane was measured using a gloss meter.
Tensile force test: the tensile strength of individual hairs has a great relationship with the degree of damage, and the greater the damage, the lower the tensile strength, the more easily broken, so the tensile strength of the hairs can be used for evaluating the damage condition of the hairs. The test method is that a single hair tensile test is carried out on a tensiometer, and the test is carried out under the indoor condition of constant temperature and constant humidity.
The test results are shown in Table 2.
TABLE 2
| Group of | Rate of change of tensile force% | Rate of change of gloss% |
| Example 1 | +15.6 | +18.5 |
| Example 2 | +17.0 | +20.2 |
| Examples3 | +20.4 | +23.3 |
| Example 4 | +18.7 | +20.6 |
| Example 5 | +18.2 | +19.1 |
| Example 6 | +16.5 | +19.4 |
| Example 7 | +20.1 | +22.8 |
| Comparative example 1 | +11.9 | +13.5 |
| Comparative example 2 | +9.5 | +11.0 |
| Comparative example 3 | +6.5 | +8.8 |
| Comparative example 4 | +12.3 | +14.2 |
| Commercially available hair care cream | +12.8 | +14.7 |
As can be seen from the results of table 2, the silicone elastomer compositions of examples 1 to 7 were added to provide significantly better hair restoration effects than the silicone elastomer compositions of comparative examples 1 to 4, indicating that the silicone elastomer compositions of the present invention are more effective in improving the toughness and gloss of damaged hair.
Use cases:
40 middle-and long-hair female volunteers with perming and dyeing histories are selected, randomly divided into 8 groups, and the hair cream of examples 1-7 and the commercial hair cream are tried out for two weeks respectively. During the trial period, the hair is cleaned every two days, and after the hair is cleaned by using the same shampoo product, a proper amount of hair care cream is smeared, and then the hair is cleaned by water. Volunteers scored the product according to their sense of use, with a maximum score of 5 points, with higher scores being better. The evaluation results are shown in Table 3.
TABLE 3 Table 3
| Group of | Refreshing feeling | Improvement of dysphoria |
| Example 1 | 4.2 | 4.0 |
| Example 2 | 4.6 | 4.5 |
| Example 3 | 5.0 | 4.8 |
| Example 4 | 4.7 | 4.8 |
| Example 5 | 4.3 | 4.5 |
| Example 6 | 4.8 | 4.6 |
| Example 7 | 5.0 | 4.7 |
| Commercially available hair care cream | 2.5 | 3.3 |
As can be seen from the results in Table 3, the hair cream of the present invention gives a better feeling of use to the user, is fresh but not greasy after use, and can effectively improve the frigidity of hair.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. The organic silicon elastomer composition is characterized by comprising the following components in parts by weight: 10-25 parts of polydimethylsiloxane cross-linked polymer, 5-15 parts of polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, 3-10 parts of octyl polydimethylsiloxane ethoxy glucoside, 5-15 parts of polyether modified polysiloxane and 30-50 parts of diluent, wherein the diluent is polydimethylsiloxane, and the viscosity of the diluent at 25 ℃ is 1 cSt-20 cSt.
2. The silicone elastomer composition of claim 1, comprising the following components in parts by weight: 15-20 parts of polydimethylsiloxane cross-linked polymer, 8-12 parts of polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, 5-10 parts of octyl polydimethylsiloxane ethoxy glucoside, 8-12 parts of polyether modified polysiloxane and 40-50 parts of diluent.
3. The silicone elastomer composition of claim 1, comprising the following components in parts by weight: 18 parts of polydimethylsiloxane cross-linked polymer, 9 parts of polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, 7 parts of octyl polydimethylsiloxane ethoxy glucoside, 10 parts of polyether modified polysiloxane and 44 parts of diluent.
4. A method of preparing a silicone elastomer composition as claimed in any one of claims 1 to 3, characterized by the steps of: mixing a diluent, polyether modified polysiloxane and octyl polydimethylsiloxane ethoxy glucoside, uniformly dispersing, then adding polydimethylsiloxane/vinyl polydimethylsiloxane crosslinked polymer, uniformly dispersing, finally adding polydimethylsiloxane crosslinked polymer, and uniformly dispersing to obtain the organosilicon elastomer composition.
5. A silicone elastomer composition according to any one of claims 1 to 3 for use in the preparation of hair care products.
6. A hair care product comprising the silicone elastomer composition according to any one of claims 1 to 3 in an amount of 10% to 20% by weight of the hair care product.
7. The hair care emulsion is characterized by comprising the following components in percentage by weight: the silicone elastomer composition of any one of claims 1-3, 10-20%, carbomer 0.5-3%, trehalose 0.5-3%, glycerin 2-8%, 1, 3-butanediol 5-10%, preservative 0.1-0.3%, and deionized water balance.
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| WO2018060018A1 (en) * | 2016-09-30 | 2018-04-05 | Basf Se | Use of dialkyl carbonates of branched alcohols as a dispersant |
| CN113476344A (en) * | 2021-07-05 | 2021-10-08 | 广州市百好博有限公司 | Cosmetic composition, cosmetic, oil-in-water lip glaze and preparation method thereof |
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| US9339452B2 (en) * | 2012-06-22 | 2016-05-17 | Mitsubishi Pencil Company, Limited | High internal water phase water-in-oil emulsified cosmetic and cosmetic liquid applicator |
| JP6204578B2 (en) * | 2013-05-30 | 2017-09-27 | ザ プロクター アンド ギャンブル カンパニー | Non-aqueous hair oil composition comprising isoparaffin base oil, silicone elastomer, and solubilizer |
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| WO2018060018A1 (en) * | 2016-09-30 | 2018-04-05 | Basf Se | Use of dialkyl carbonates of branched alcohols as a dispersant |
| CN113476344A (en) * | 2021-07-05 | 2021-10-08 | 广州市百好博有限公司 | Cosmetic composition, cosmetic, oil-in-water lip glaze and preparation method thereof |
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