CN111012695A - Shampoo containing silicone oil and preparation method thereof - Google Patents
Shampoo containing silicone oil and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a shampoo containing silicone oil and a preparation method thereof, wherein the shampoo comprises the following components: carboxyl silicone oil derivatives, amphoteric surfactants, fatty alcohol-polyoxyethylene ether, cationic surfactants, thickening agents, preservatives, pH regulators and water. The shampoo containing the silicone oil has an obvious effect on the hair care, and is specifically embodied in two aspects of hair combing property test and hair feeling after washing. This demonstrates that the carboxyl silicone oil derivatives in the silicone oil-containing shampoo disclosed in the present invention are key ingredients for hair care.
Description
Technical Field
The invention belongs to the field of personal care, and particularly relates to shampoo containing silicone oil and a preparation method thereof.
Background
Silicone oil is a kind of oily matter with siloxane structure and chain structure with different polymerization degrees, also called silicone. In the last 70 th century, people have made great progress in the research on silicone oil and derivatives thereof and gradually applied the silicone oil and derivatives thereof to personal care products, most commonly shampoo products. The common knowledge is generally acknowledged that the silicone oil can be easily adsorbed on the hair to form a layer of protective film on the hair upper hair scales, so that the hair upper hair scales and the damaged positions thereof are protected, the smoothness of the hair is improved, and the effect of protecting the hair is achieved; the silicone oil can simultaneously improve the combing property, the glossiness and the toughness of the hair; finally, silicone oil also repairs hair damage caused by perming and the like, so that uneven hair scales tend to be flat. Therefore, shampoo containing silicone oil is always the mainstream formulation in shampoo, and is favored by merchants and consumers for a long time.
However, shampoos containing silicone oils also have significant disadvantages, mainly in that if one uses a shampoo containing silicone oils for a long time, the silicone oils accumulate on the hair, resulting in unnatural, heavy, greasy, slumped, dry hair, and possibly also hair loss. Due to the above negative effects, shampoo without silicone oil should be produced. However, the efficacy of the shampoo without silicone oil is still difficult to compare favorably with the shampoo containing silicone oil in the aspect of hair improvement, and the shampoo containing silicone oil cannot be replaced for a while so far.
Therefore, there is a need to find a shampoo formulation containing silicon which can reduce the harm and negative effects to hair while maintaining the advantages of hair care, so that consumers can use the shampoo containing silicone oil more confidently.
Disclosure of Invention
The invention aims to provide a shampoo containing silicone oil, which is realized by the following technical means.
The shampoo containing the silicone oil comprises the following components in parts by weight:
wherein, the chemical general formula of the carboxyl silicone oil derivative is shown as follows:
x and Y are terminal groups independently selected from hydrogen, hydroxyl, amino or methyl;
r is selected from C1-C12 alkyl, and when the number of C atoms is 3, the alkyl is selected from straight chain, branched chain or cyclic chain alkyl;
the value range of m is 15-100;
the value range of n is 20-50;
the value range of p is 10-30.
Furthermore, in the silicon oil derivative containing carboxyl, n is more than or equal to p, and n + p is less than or equal to 2 m.
Further, R is selected from linear alkyl of C1-C3.
Further, the shampoo containing the silicone oil contains carboxyl silicone oil derivatives, wherein the carboxyl silicone oil derivatives are prepared from the hydrogen-containing silicone oil and have the following chemical structures:
furthermore, in the fatty alcohol-polyoxyethylene ether, the number of the ethoxy repeating units is 7-16, and the alkyl is selected from linear alkyl of C6-C12.
Further, the amphoteric surfactant is selected from a betaine type surfactant or an amino acid type surfactant.
Further, the thickener is selected from carboxymethyl cellulose, hydroxyethyl cellulose or polyacrylamide.
The invention also aims to provide a preparation method of the shampoo containing the silicone oil.
A preparation method of shampoo containing silicone oil comprises the following steps:
(1) dissolving hydrogen-containing silicone oil in organic solvent, adding Karstedt catalyst, dripping acrylic acid into the mixture at 70-90 ℃, stirring for 3-10h after dripping, removing toluene and acrylic acid by reduced pressure distillation to form carboxyl silicone oil,
wherein the molar ratio of the hydrogen-containing silicone oil to the acrylic acid is 1:30-1: 80;
(2) adding concentrated sulfuric acid as catalyst into the carboxyl silicone oil, adding alcohol at 80-100 deg.C, stirring for 3-10 hr to obtain carboxyl silicone oil derivative crude product,
wherein the alcohol has a general formula of R-OH, wherein R is selected from C1-C12 alkyl, and when the number of C atoms is 3, the alkyl is selected from linear, branched or cyclic alkyl;
(3) pouring the crude product of the carboxyl silicone oil derivative into water, extracting with dichloromethane, collecting an organic phase, and removing the dichloromethane by reduced pressure distillation to obtain the carboxyl silicone oil derivative;
(4) and mixing and stirring the carboxyl silicone oil derivative, the amphoteric surfactant, the fatty alcohol-polyoxyethylene ether, the cationic surfactant, the thickening agent, the preservative, the pH regulator and water at normal temperature to obtain the shampoo containing the silicone oil.
Further, the chemical general formula of the hydrogen-containing silicone oil is as follows:
wherein the content of the first and second substances,
x and Y are terminal groups independently selected from hydrogen, hydroxyl, amino or methyl.
Further, the Karstedt catalyst is added in an amount of 0.1-1 wt% of the hydrogen-containing silicone oil.
The invention has the following beneficial effects:
(1) the invention takes hydrogen-containing silicone oil as a raw material, and reacts with acrylic acid at high temperature under the action of Karstedt catalyst to generate carboxyl silicone oil grafted with carboxyl; then, partial carboxyl of the carboxyl silicone oil and alcohol are subjected to esterification reaction to form a carboxyl silicone oil derivative structure with partial carboxyl graft and partial ester graft. On one hand, the carboxyl silicone oil derivative contains a large amount of carboxyl, so that the carboxyl silicone oil derivative has excellent hydrophilicity, can be adsorbed on hair and is combined with moisture in the air, and the carboxyl silicone oil derivative has certain moisture retention performance, so that the phenomena of heaviness, greasiness and dryness of the hair are reduced, and a user feels fresh and natural hair; on the other hand, the carboxyl silicone oil derivative also contains a large number of ester groups and a main chain structure with silicon oxygen groups as repeating units, so that the good film forming performance of the original silicone oil is reserved, the film is easily formed on the hair, the functions of maintaining the repairability of scales on the hair, improving the smoothness of the hair and the like of the carboxyl silicone oil derivative are realized. The invention controls the proportion of the repeating units of carboxyl and ester group in the carboxyl silicone oil derivative, so that the carboxyl silicone oil derivative has excellent hydrophilicity and film-forming property.
(2) The carboxyl silicone oil derivative and the fatty alcohol-polyoxyethylene ether in the shampoo formula have good synergistic effect, and the mechanism is that intermolecular hydrogen bonds are formed between the carboxyl of the carboxyl silicone oil derivative and the ethoxy of the fatty alcohol-polyoxyethylene ether, so that the intermolecular force between the carboxyl silicone oil derivative and the fatty alcohol-polyoxyethylene ether is enhanced. When the content of the ethoxy groups in the fatty alcohol-polyoxyethylene ether is more, the hydrogen bonding effect is more obvious, so that the fatty alcohol-polyoxyethylene ether adopted by the invention contains 7-16 ethoxy repeating units, and the density formed by the hydrogen bonding can be enhanced. The synergistic effect of the two is embodied as follows: the hydrogen bond formed by the carboxyl silicone oil derivative and the fatty alcohol-polyoxyethylene ether can improve the compatibility and the dispersibility of the carboxyl silicone oil derivative in the shampoo formula, and the carboxyl silicone oil derivative cannot be separated out from the formula even after the shampoo undergoes multiple high-low temperature cycle experiments, so that the formula is kept homogeneous, and the efficacy of the shampoo is also kept.
(3) The carboxyl silicone oil derivative and the fatty alcohol-polyoxyethylene ether have cleaning synergistic effect on the amphoteric surfactant, and the mechanism is as follows: the carboxyl silicone oil derivative and the fatty alcohol-polyoxyethylene ether are not charged, so that the carboxyl silicone oil derivative and the fatty alcohol-polyoxyethylene ether can be closely arranged between adjacent amphoteric surfactants with charges, and can be used as a shielding layer to reduce the charge repulsion between the amphoteric surfactants, so that the surfactants are more closely arranged on the water and hair interfaces, and the hair cleaning effect is improved.
Detailed Description
The present invention is further illustrated by the following specific examples, which are not intended to limit the invention in any way. The hydrogen-containing silicone oil described in the examples of the present invention is obtained by the company Alfa-Alsar, and other raw materials and methods described in the examples of the present invention are, unless otherwise specified, conventional raw materials and methods in the art.
Example 1
The shampoo containing the silicone oil comprises the following components in parts by weight:
wherein the carboxyl silicone oil derivative is selected from the following structures:
m is 15, n is 20, p is 10;
in the fatty alcohol-polyoxyethylene ether, the number of ethoxy repeating units is 7;
the pH value of the shampoo containing the silicone oil is 6.5.
The preparation method of the shampoo containing the silicone oil comprises the following steps:
(1) dissolving 10g of hydrogen-containing silicone oil in 500ml of toluene, adding 0.1 wt% Karstedt catalyst of the hydrogen-containing silicone oil, gradually dripping acrylic acid into the mixture at 70 ℃, stirring the mixture for 3 hours after dripping, removing the toluene and the acrylic acid by reduced pressure distillation to form carboxyl silicone oil,
wherein the structural formula of the hydrogen-containing silicone oil is shown as follows:
m is 15, n is 20, p is 10;
the molar ratio of the hydrogen-containing silicone oil to the acrylic acid is 1: 30;
(2) adding concentrated sulfuric acid which is 0.5 wt% of the carboxyl silicone oil and is used as a catalyst into the carboxyl silicone oil, adding methanol into the carboxyl silicone oil at the temperature of 80 ℃, and stirring the mixture for 3 hours to form a crude product of the carboxyl silicone oil derivative;
the molar ratio of the carboxyl silicone oil to the methanol is 1: 10;
(3) pouring the crude product of the carboxyl silicone oil derivative into 1L of water, extracting with 200ml of dichloromethane, collecting an organic phase, and removing the dichloromethane by reduced pressure distillation to obtain the carboxyl silicone oil derivative;
(4) according to the mass parts, 1 part of carboxyl silicone oil derivative, 10 parts of sodium lauroyl glutamate, 3 parts of dodecanol polyoxyethylene ether, 1 part of benzyl triethyl ammonium chloride, 0.1 part of carboxymethyl cellulose, 0.1 part of methylisothiazolinone, 0.1 part of citric acid and 90 parts of water are mixed and stirred at normal temperature to obtain the shampoo containing silicone oil.
Example 2
The shampoo containing the silicone oil comprises the following components in parts by weight:
wherein the carboxyl silicone oil derivative is selected from the following structures:
m is 100, n is 50, p is 30;
in the fatty alcohol-polyoxyethylene ether, 16 ethoxy repeating units are contained;
the pH value of the shampoo containing the silicone oil is 6.3.
The preparation method of the shampoo containing the silicone oil comprises the following steps:
(1) dissolving 10g of hydrogen-containing silicone oil in 500ml of toluene, adding 1 wt% Karstedt catalyst of the hydrogen-containing silicone oil, gradually dripping acrylic acid into the mixture at 90 ℃, stirring the mixture for 10 hours after dripping, removing the toluene and the acrylic acid by reduced pressure distillation to form carboxyl silicone oil,
wherein the structural formula of the hydrogen-containing silicone oil is shown as follows:
m is 100, n is 50, p is 30;
the molar ratio of the hydrogen-containing silicone oil to the acrylic acid is 1: 80;
(2) adding concentrated sulfuric acid which is 0.5 wt% of the carboxyl silicone oil and is used as a catalyst into the carboxyl silicone oil, adding ethanol into the carboxyl silicone oil at the temperature of 100 ℃, and stirring the mixture for 10 hours to form a carboxyl silicone oil derivative crude product;
the molar ratio of the carboxyl silicone oil to the ethanol is 1: 30;
(3) pouring the crude product of the carboxyl silicone oil derivative into 1L of water, extracting with 200ml of dichloromethane, collecting an organic phase, and removing the dichloromethane by reduced pressure distillation to obtain the carboxyl silicone oil derivative;
(4) according to the mass parts, 10 parts of carboxyl silicone oil derivative, 20 parts of potassium lauroyl glycinate, 10 parts of tetradecanol polyoxyethylene ether, 5 parts of benzalkonium chloride, 1 part of hydroxyethyl cellulose, 0.5 part of cason, 0.5 part of sorbic acid and 100 parts of water are mixed and stirred at normal temperature to obtain the shampoo containing silicone oil.
Example 3
The shampoo containing the silicone oil comprises the following components in parts by weight:
wherein the carboxyl silicone oil derivative is selected from the following structures:
m is 80, n is 30, p is 20;
in the fatty alcohol-polyoxyethylene ether, the number of ethoxy repeating units is 10;
the pH value of the shampoo containing the silicone oil is 6.7.
The preparation method of the shampoo containing the silicone oil comprises the following steps:
(1) dissolving 10g of hydrogen-containing silicone oil in 500ml of toluene, adding 0.5 wt% Karstedt catalyst of the hydrogen-containing silicone oil, gradually dripping acrylic acid into the mixture at the temperature of 80 ℃, stirring for 8 hours after dripping, removing the toluene and the acrylic acid by reduced pressure distillation to form carboxyl silicone oil,
wherein the structural formula of the hydrogen-containing silicone oil is shown as follows:
m is 80, n is 30, p is 20;
the molar ratio of the hydrogen-containing silicone oil to the acrylic acid is 1: 50;
(2) adding concentrated sulfuric acid which is 0.5 wt% of the carboxyl silicone oil and is used as a catalyst into the carboxyl silicone oil, adding propanol into the carboxyl silicone oil at 90 ℃, and stirring the mixture for 7 hours to form a carboxyl silicone oil derivative crude product;
the molar ratio of the carboxyl silicone oil to the propanol is 1: 20;
(3) pouring the crude product of the carboxyl silicone oil derivative into 1L of water, extracting with 200ml of dichloromethane, collecting an organic phase, and removing the dichloromethane by reduced pressure distillation to obtain the carboxyl silicone oil derivative;
(4) according to the mass parts, 5 parts of carboxyl silicone oil derivative, 15 parts of laurylamidopropyl amine oxide, 5 parts of cetyl alcohol polyoxyethylene ether, 3 parts of benzalkonium chloride, 0.5 part of polyacrylamide, 0.3 part of kaempferon, 0.2 part of sorbic acid and 95 parts of water are mixed and stirred at normal temperature to obtain the shampoo containing silicone oil.
Example 4
The shampoo containing the silicone oil comprises the following components in parts by weight:
wherein the carboxyl silicone oil derivative is selected from the following structures:
m is 70, n is 40, p is 20;
in the fatty alcohol-polyoxyethylene ether, the number of ethoxy repeating units is 12;
the pH value of the shampoo containing the silicone oil is 6.9.
The preparation method of the shampoo containing the silicone oil comprises the following steps:
(2) dissolving 10g of hydrogen-containing silicone oil in 500ml of toluene, adding 0.3 wt% Karstedt catalyst of the hydrogen-containing silicone oil, gradually dripping acrylic acid into the mixture at 85 ℃, stirring the mixture for 6 hours after dripping, removing the toluene and the acrylic acid by reduced pressure distillation to form carboxyl silicone oil,
wherein the structural formula of the hydrogen-containing silicone oil is shown as follows:
m is 70, n is 40, p is 20;
the molar ratio of the hydrogen-containing silicone oil to the acrylic acid is 1: 60;
(2) adding concentrated sulfuric acid which is 0.3 wt% of the carboxyl silicone oil and is used as a catalyst into the carboxyl silicone oil, adding propanol into the carboxyl silicone oil at the temperature of 95 ℃, and stirring the mixture for 6 hours to form a carboxyl silicone oil derivative crude product;
the molar ratio of the carboxyl silicone oil to the propanol is 1: 20;
(3) pouring the crude product of the carboxyl silicone oil derivative into 1L of water, extracting with 200ml of dichloromethane, collecting an organic phase, and removing the dichloromethane by reduced pressure distillation to obtain the carboxyl silicone oil derivative;
(4) according to the mass parts, 7 parts of carboxyl silicone oil derivative, 13 parts of laurylamidopropyl amine oxide, 2 parts of cetyl alcohol polyoxyethylene ether, 4 parts of benzyltriethylammonium chloride, 0.3 part of carboxymethyl cellulose, 0.3 part of kason, 0.2 part of citric acid and 97 parts of water are mixed and stirred at normal temperature to obtain the shampoo containing silicone oil.
Comparative example 1
The same components as in the shampoo containing silicone oil described in example 1, except that the shampoo containing silicone oil of comparative example 1 does not contain the carboxyl silicone oil derivative described in example 1, but replaces 1 part by mass of dimethyl silicone oil.
Comparative example 2
The same shampoo composition containing silicone oil as described in example 2, except that the shampoo containing silicone oil of comparative example 2 does not contain the carboxyl silicone oil derivative described in example 2, but replaces 10 parts by mass of amino silicone oil.
Comparative example 3
The same components as in the shampoo containing silicone oil described in example 3, except that the shampoo containing silicone oil of comparative example 3 does not contain the polyoxyethylene cetyl ether described in example 3, but replaces 5 parts by mass of laurylamidopropylamine oxide.
Comparative example 4
The same shampoo composition with silicone oil as described in example 4, except that the shampoo with silicone oil of comparative example 4 does not contain the carboxy silicone oil derivative described in example 4.
Example 5
The shampoos containing silicone oils described in examples 1 to 4 and comparative examples 1 to 4 were tested for detergency, hair care on the subjects, post-wash feeling of the subjects, and formulation stability. The test method is as follows:
(1) stain removal performance test method: the shampoos containing silicone oils described in examples 1-4 and comparative examples 1-4 were subjected to a sebum stain removal test according to the method described in GB/T13174-.
(2) Hair combing test method: preparing a plurality of wig hair bundles with the weight of 40g, uniformly coating 4g of the shampoos of examples 1-4 and comparative examples 1-4 on the hair bundles, standing for 5 minutes, rinsing with tap water, and naturally drying.
Then, the combing performance of the hair bundle is graded by a sensory evaluation method, which specifically comprises the following steps: the subjects manually combed the tresses and felt the smoothness of the tresses and whether there was a hair tangle, dryness and dryness, and scored each tress as follows:
1 minute: the phenomena of hair entanglement, hair dryness and dryness are serious during combing, and the hair cannot be combed to the end easily;
and 2, dividing: the phenomenon of dry and dry hair exists during combing, the phenomenon of hair entanglement is basically avoided, but the hair cannot be combed to the end easily;
and 3, dividing: occasionally, the hair is dry and dry during combing, the hair is not tangled, and occasionally, one comb can be used for combing the hair to the end;
and 4, dividing: the phenomena of hair tangling, hair dryness and dryness do not exist during combing, and the hair can feel smooth and light and can be combed to the end basically;
and 5, dividing: the hair is not tangled, dried and dry when combing, and the hair can be obviously smooth and light and can be combed to the end.
The scores of the combing properties of the above hair tresses were then collected from 20 subjects and averaged as the final result of the hair combing test method.
(3) Method for testing after-washing feeling of hair: the 8 shampoos of examples 1 to 4 and comparative examples 1 to 4 were divided into 8 groups of 1 shampoo sample per group, and 3 subjects were tried. The specific method comprises the following steps: 100g of shampoo samples were distributed to each subject and allowed to be used after washing hair home with a usage cycle of 20 days and a usage frequency of 0.5-1 day/time. Then, the next day after each use, hair feel was recorded. Then, the using effect of the period is scored by a sensory evaluation method, and the specific scoring detailed formula is as follows:
1 minute: after washing for 24 hours, the hair feels easy to tangle, dry and split, and the scalp feels thick;
and 2, dividing: after washing for 24 hours, the hair feels easier to dry and split, less tangled and slightly heavy;
and 3, dividing: after washing for 24h, the hair feels occasionally dry and split, almost no tangle exists, and the scalp feels slightly thick;
and 4, dividing: after washing for 24 hours, the hair is hardly tangled, dried and split, and is relatively fresh and cool;
and 5, dividing: after washing for 24 hours, the hair was not tangled, dried and split, the scalp was not heavy and was refreshing.
(4) And (3) stability testing: 500ml of each of the 8 shampoos of examples 1-4 and comparative examples 1-4 was taken, packaged in a transparent PE bottle and sealed, and the 8 samples were placed in an oven at 40 ℃ for 48 hours and then in a refrigerator at 0 ℃ for 48 hours; the above steps are cycled for three times. The sample was then removed and allowed to stand for visual inspection.
The results of the above stain removal performance test, hair combing test, feel test after hair washing, and stability test are shown in table 1.
TABLE 1 statistics of the relevant Effect of examples 1-4 and comparative examples 1-4
As can be seen from the above table, the samples in examples 1-4 have little difference in the detergency for sebum compared with the corresponding samples in comparative examples 1-4, which shows that the addition of the carboxyl silicone oil derivative in the shampoo of the silicone oil disclosed in the present invention does not cause a significant decrease in the detergency of the shampoo formulation, so that the technical effect in terms of the detergency of the shampoo containing the silicone oil disclosed in the present invention can be ensured.
The formulas described in examples 1-4, however, had significantly higher subject statistical scores than the formulas described in comparative examples 1-4 in terms of the statistical effect of the hair combing test and the post-hair feel test. On the one hand, the formulations of examples 1-2 scored higher on hair combing and after-hair feel than the formulations of comparative examples 1-2, which indicates that the carboxy silicone oil derivatives disclosed in the present invention have better hair care effects than the conventional dimethyl silicone oil and amino silicone oil; on the other hand, the formula of example 3 has a higher hair combing performance and hair after-washing feeling score than the formula of comparative example 3, which shows that the carboxyl silicone oil derivative and the fatty alcohol-polyoxyethylene ether disclosed by the invention have a synergistic effect, so that the cleaning and caring effects on hair are enhanced. While the effect of example 4 is significantly better than that of comparative example 4, which shows that the carboxy silicone oil derivative is a very critical component in the hair care effect, and the shampoo formula lacking the carboxy silicone oil derivative has a great loss of the effect in the hair care aspect.
According to the statistics of the stability test effect of the formula, the formula containing the fatty alcohol-polyoxyethylene ether has a remarkable hydrogen bonding effect with the carboxyl silicone oil derivative, so that the compatibility and the dispersibility of the carboxyl silicone oil derivative in the formula of the shampoo can be improved, and the carboxyl silicone oil derivative cannot be separated out from the formula even after the shampoo is subjected to multiple high-low temperature cycle experiments, so that the formula is kept in a homogeneous phase, and the efficacy of the shampoo is also kept; in contrast, in comparative example 3, the fatty alcohol-polyoxyethylene ether was removed from the formulation, which resulted in poor compatibility between the carboxy silicone oil derivative and the shampoo formulation, and white precipitates were precipitated in the formulation after high-low temperature cycles. The combination of the carboxyl silicone oil derivative and the fatty alcohol-polyoxyethylene ether proves that the compatibility of the formula is greatly influenced.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The shampoo containing the silicone oil is characterized by comprising the following components in parts by mass:
wherein the chemical general formula of the carboxyl silicone oil derivative is shown as follows:
x and Y are terminal groups independently selected from hydrogen, hydroxyl, amino or methyl;
r is selected from C1-C12 alkyl, and when the number of C atoms is 3, the alkyl is selected from straight chain, branched chain or cyclic chain alkyl;
the value range of m is 15-100;
the value range of n is 20-50;
the value range of p is 10-30.
2. The shampoo containing silicone oil as claimed in claim 1, wherein in the silicone oil derivative containing carboxyl, n is not less than p, and n + p is not more than 2 m.
3. The shampoo containing the silicone oil as claimed in claim 1, wherein R is selected from linear alkyl groups of C1-C3.
4. The shampoo containing silicone oil as defined in claim 1, wherein the shampoo containing silicone oil contains a carboxyl silicone oil derivative, wherein the carboxyl silicone oil derivative is prepared from a hydrogen-containing silicone oil and has the following chemical structure:
5. the shampoo containing silicone oil as claimed in claim 1, wherein the fatty alcohol-polyoxyethylene ether has 7 to 16 ethoxy repeating units, and the alkyl is selected from linear alkyl of C6 to C12.
6. The shampoo containing silicone oil as defined in claim 1, wherein the amphoteric surfactant is selected from a betaine type surfactant or an amino acid type surfactant.
7. The shampoo containing silicone oil as defined in claim 1, wherein the thickener is selected from the group consisting of carboxymethyl cellulose, hydroxyethyl cellulose and polyacrylamide.
8. Method for preparing a shampoo containing silicone oil according to any of claims 1 to 7, characterised in that it comprises the following steps:
(1) dissolving hydrogen-containing silicone oil in organic solvent, adding Karstedt catalyst, dripping acrylic acid into the mixture at 70-90 ℃, stirring for 3-10h after dripping, removing toluene and acrylic acid by reduced pressure distillation to form carboxyl silicone oil,
wherein the molar ratio of the hydrogen-containing silicone oil to the acrylic acid is 1:30-1: 80;
(2) adding concentrated sulfuric acid as catalyst into the carboxyl silicone oil, adding alcohol at 80-100 deg.C, stirring for 3-10 hr to obtain carboxyl silicone oil derivative crude product,
wherein the alcohol has a general formula of R-OH, wherein R is selected from C1-C12 alkyl, and when the number of C atoms is 3, the alkyl is selected from linear, branched or cyclic alkyl;
(3) pouring the crude product of the carboxyl silicone oil derivative into water, extracting with dichloromethane, collecting an organic phase, and removing the dichloromethane by reduced pressure distillation to obtain the carboxyl silicone oil derivative;
(4) and mixing and stirring the carboxyl silicone oil derivative, the amphoteric surfactant, the fatty alcohol-polyoxyethylene ether, the cationic surfactant, the thickening agent, the preservative, the pH regulator and water at normal temperature to obtain the shampoo containing the silicone oil.
9. The method for preparing the shampoo containing the silicone oil as defined in claim 8, wherein the hydrogen-containing silicone oil has a chemical formula as follows:
wherein the content of the first and second substances,
x and Y are terminal groups independently selected from hydrogen, hydroxyl, amino or methyl.
10. The method for preparing shampoo containing silicone oil as claimed in claim 8, wherein the Karstedt's catalyst is added in an amount of 0.1-1 wt% based on the hydrogen-containing silicone oil.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592477A (en) * | 2020-11-25 | 2021-04-02 | 深圳市优宝新材料科技有限公司 | Modified organic silicon polymer, preparation method thereof and lithium secondary battery |
| CN116284796A (en) * | 2023-04-21 | 2023-06-23 | 广州市斯洛柯高分子聚合物有限公司 | Carboxyl silicone oil, preparation method thereof and hand feeling agent containing carboxyl silicone oil |
-
2020
- 2020-01-02 CN CN202010001977.0A patent/CN111012695A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592477A (en) * | 2020-11-25 | 2021-04-02 | 深圳市优宝新材料科技有限公司 | Modified organic silicon polymer, preparation method thereof and lithium secondary battery |
| CN116284796A (en) * | 2023-04-21 | 2023-06-23 | 广州市斯洛柯高分子聚合物有限公司 | Carboxyl silicone oil, preparation method thereof and hand feeling agent containing carboxyl silicone oil |
| CN116284796B (en) * | 2023-04-21 | 2023-09-15 | 广州市斯洛柯高分子聚合物有限公司 | Carboxyl silicone oil, preparation method thereof and hand feeling agent containing carboxyl silicone oil |
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