CN110257198B - Method for preparing facial soap from natural sericin stock solution - Google Patents
Method for preparing facial soap from natural sericin stock solution Download PDFInfo
- Publication number
- CN110257198B CN110257198B CN201910677681.8A CN201910677681A CN110257198B CN 110257198 B CN110257198 B CN 110257198B CN 201910677681 A CN201910677681 A CN 201910677681A CN 110257198 B CN110257198 B CN 110257198B
- Authority
- CN
- China
- Prior art keywords
- sericin
- sodium
- soap
- stock solution
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
- C11D10/042—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on anionic surface-active compounds and soap
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
- C11D1/10—Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Cosmetics (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a method for preparing facial soap by using natural sericin stock solution, which takes cocoon shells of natural sericin cocoon silkworm varieties as raw materials to prepare the sericin stock solution, and the natural sericin stock solution and a soap base are uniformly mixed and subjected to injection molding to obtain the facial soap, wherein in the preparation process of the soap base, the mixed alkali solution of sodium hydroxide and potassium hydroxide is used as hydrolysis alkali solution, and the mixture of coconut oil and olive oil is hydrolyzed to obtain the mixture of fatty acid sodium and potassium fatty acid, wherein the potassium fatty acid has excellent foaming effect and hard water resistance, but the potassium fatty acid is soft or even liquid, and the sodium palmitate and the sodium stearate have poor foaming property and excellent cleaning effect in warm water, so the cleaning effect is greatly improved by combining the sodium palmitate and the sodium stearate while the strength of the soap is ensured, and the solubility of the sodium palmitate and the sodium stearate in cold water is low, can ensure that the formed soap body is not easy to deform in a humid environment.
Description
Technical Field
The invention belongs to the technical field of daily chemical processing, and particularly relates to a method for preparing facial soap by using natural sericin stock solution.
Background
The traditional facial soap causes the skin to be dry and tight after being used and has heavier soap taste, so the facial soap is not accepted by the public for a long time, and along with the change of components and the solution of the problems, the facial soap also becomes a common daily chemical article which is used more;
the main component of the facial soap is higher fatty acid sodium, and the higher fatty acid sodium has a hydrophilic end and a lipophilic end simultaneously, so that fat-soluble dirt can be wrapped into small balls and then dissolved in water, and therefore, the facial soap has a good cleaning effect on dirt, secretion and excrement on the surface of skin, but the facial soap easily absorbs water in the using process, so that the surface of the facial soap is softened in one layer after being used, and the facial soap is softened and deformed after being used in a humid environment for a long time In order to solve the problem, the invention provides the following technical scheme.
Disclosure of Invention
The invention aims to provide a method for preparing facial soap by using natural sericin stock solution.
The technical problems to be solved by the invention are as follows:
1. when the traditional skin care soap is used for cleaning the face, the traditional skin care soap has a strong damage effect on a sebum membrane on the skin surface, and if the sebum membrane is damaged for a long time and cannot be repaired in time, the skin becomes dry and loses water directly, so that the using effect of the facial soap is reduced, how to ensure the cleaning effect of the facial soap is ensured, and meanwhile, the damage of the facial soap to the skin is reduced, so that the situations of dry and dry skin can not occur after the facial soap is used;
2. in the prior art, the facial soap is easy to absorb water in the using process, so that a layer of the surface of the facial soap can be softened after the facial soap is used, and the facial soap can be softened and deformed after being used in a humid environment for a long time.
The purpose of the invention can be realized by the following technical scheme:
a method for preparing facial soap by using natural sericin stock solution comprises the following steps:
step one, preparing natural sericin stock solution
S11, cutting sericin cocoons knotted by natural sericin cocoon varieties into sheets, washing the surfaces of the cocoons with water, airing, adding the aired cocoons into ether, soaking for 24-48h to remove waxy substances on the surfaces of the cocoons, airing the cocoons after solid-liquid separation, adding the aired cocoons into absolute ethyl alcohol, soaking for 12-16h, replacing the absolute ethyl alcohol, continuing to soak for 12-13h, carrying out solid-liquid separation, washing with distilled water, airing to obtain clean cocoons, and removing ether contained in the cocoons in the treatment process;
s12, preparing a sodium carbonate aqueous solution with the concentration of 0.5%, adding the silkworm cocoon obtained by the previous step, boiling for 45-80min to enable sericin on the surface of the silk to fall off and dissolve in the sodium carbonate aqueous solution;
s13, adding acetic acid into the sericin solution obtained in the previous step, wherein the mass ratio of the acetic acid to the sodium carbonate is 2.1-2.3:1, reacting the sodium carbonate in the solution to generate sodium acetate, water and carbon dioxide, reducing the pH value of the solution, and concentrating the sodium carbonate aqueous solution containing sericin to ensure that the concentration of the sericin is 3-10%;
s14, adding glycerol into the concentrated sericin protein aqueous solution obtained in the previous step, uniformly mixing, adding modified diatomite, and uniformly mixing for later use;
s15, adding genipin into the sericin protein aqueous solution containing the modified diatomite obtained by the previous step, uniformly mixing, standing at the temperature of 25-40 ℃ for reaction for 20-60S to form sericin protein hydrogel, finally adding sodium silicate, and uniformly stirring and mixing to obtain a natural sericin protein stock solution for later use;
the addition amount of glycerol in the natural sericin stock solution is 8-12% of the volume of the sericin aqueous solution, the addition amount of modified diatomite in the sericin aqueous solution is 0.08-0.15g/mL, the addition amount of genipin is 5-30% of the volume of the sericin aqueous solution, and the addition amount of sodium silicate in the sericin aqueous solution is 8-25 g/mL;
the preparation method of the modified diatomite comprises the following steps:
firstly, after the diatomite is treated by ultrasonic in 25 percent sulfuric acid solution for 15 to 25min, after solid-liquid separation, soaking the mixture in deionized water for ultrasonic treatment, changing water every 2 to 3 minutes, washing with deionized water for 3-5 times after changing water for 5-7 times, baking and drying, calcining the treated diatomite at the temperature of 450-, heating diatomaceous earth to 50-60 deg.C while stirring diatomaceous earth, adding the mixed oil in form of spray, mixing to obtain modified diatomaceous earth, so that diatomaceous earth can adsorb the mixed oil uniformly, wherein the mass ratio of the mixed oil of the mink oil and the prinsepia utilis royle oil to the diatomite is 0.5-1: 5;
the method comprises the following steps of performing acid treatment on diatomite, removing impurities which are dissolved in acid on the surface of the diatomite, exposing a microporous structure of the diatomite, dehydrating two hydroxyl groups in an OH-Si-OH structure by later roasting to form O-Si-O, so that the adsorption effect of the diatomite is improved, and simultaneously, converting the diatomite into a white or nearly white state by high-temperature roasting, so that the influence of the addition of the diatomite on the color of a subsequently processed and molded face soap is reduced.
In the step, firstly, the silkworm cocoon is treated to remove wax substances on the surface of the silkworm cocoon so as to facilitate subsequent treatment, then the silkworm cocoon is boiled in an alkaline environment to dissolve sericin on the surface of silk in water, wherein the alkaline environment can promote the dissolution of sericin, after excessive acetic acid is used for removing sodium carbonate in the solution, a sericin solution is obtained after concentration, then glycerin, modified diatomite, genipin and sodium silicate are sequentially added into the solution to obtain a finished natural sericin stock solution, wherein the glycerin can stabilize a protein structure, has a good protection effect on the sericin, has a lubricating effect, prevents obvious scraping effect on the skin when the facial soap is used due to the addition of the modified diatomite, influences the touch of the facial soap and the skin, has a protection effect on the skin, reduces the damage to a sebum membrane in a cleaning process, genipin is a low-toxicity biological cross-linking agent, has a good cross-linking effect on sericin, can form hydrogel with better strength by mixing the sericin and the sericin, but can hydrolyze part of sericin to generate micromolecule sericin due to the treatment of silkworm cocoons in an alkaline environment, so that the strength of the hydrogel is reduced, diatomite and sodium silicate are used as fillers, the sodium silicate has good hardness after being condensed and solidified, the diatomite is used as a structural filler, the micromolecule sericin is adsorbed and fixed, the fluidity of a natural sericin stock solution is reduced, and the viscosity of the natural sericin stock solution is improved.
Step two, preparing soap base
S21, uniformly mixing coconut oil and olive oil according to a weight ratio to obtain mixed oil for later use, preparing an alkali solution with the mass concentration of 50% -55% of sodium hydroxide and the mass concentration of 15% -25% of potassium hydroxide, heating the alkali solution to 30-40 ℃, adding the mixed oil into the alkali solution, and stirring and reacting until complete hydrolysis;
s22, adding a sodium chloride solution into the hydrolysate to salt out the hydrolysate, layering a mixture of sodium fatty acid and potassium fatty acid with alkali liquor, and filtering and separating to obtain an upper hydrolysis mixture;
s23, adding glycerol into a sodium hydroxide aqueous solution with a mass concentration of 70%, wherein the volume ratio of the glycerol to the sodium hydroxide aqueous solution is 1:10-20, adding palmitic acid and stearic acid, wherein the mass ratio of the palmitic acid to the stearic acid is 1:1-1.5, stirring to react until the palmitic acid and the stearic acid completely react, adding a sodium chloride solution into the mixture to salt out, and filtering to obtain a mixture of sodium palmitate and sodium stearate;
s24, mixing the hydrolysis mixture obtained in the step S22 and the mixture of sodium palmitate and sodium stearate obtained in the step S23 according to the weight ratio of 4:1.5-2, heating to 70 ℃, and uniformly mixing to obtain soap base for later use.
In the step, the soap base adopts a mixed alkali liquor of sodium hydroxide and potassium hydroxide as a hydrolysis alkali liquor, and the mixture of coconut oil and olive oil is hydrolyzed to obtain a mixture of hard sodium fatty acid and soft potassium fatty acid, wherein the potassium fatty acid has an excellent foaming effect and is hard water resistant, but the potassium fatty acid is soft or even liquid, and the sodium palmitate and the sodium stearate have poor foaming properties and excellent cleaning effect in warm water.
Step three, forming the face soap
And (3) heating and melting the soap base obtained in the step two, adding an amino acid surfactant, uniformly mixing, adding the natural sericin stock solution obtained in the step one, adding the addition components, stirring and mixing uniformly, pouring the obtained mixture into a mold, cooling and solidifying to obtain the finished product of the facial soap.
The additive component comprises at least one of essence, preservative, pigment, plant extract and antiallergic agent;
the amino acid surfactant is at least one of weakly alkaline sodium cocoyl glycinate and potassium cocoyl glycinate.
The invention has the beneficial effects that:
1. the facial soap is obtained by uniformly mixing natural sericin stock solution and a soap base and carrying out injection molding, wherein in the natural sericin stock solution, the surface of a polypeptide chain of sericin has a plurality of polar hydrophilic groups which can transfer in-vivo water to a skin cuticle for combination so as to keep skin with certain water and have good humidifying and moisturizing effects, and the extraction method of sericin comprises the steps of firstly treating silkworm cocoons to remove waxy substances on the surfaces of the silkworm cocoons so as to facilitate subsequent treatment, then boiling the silkworm cocoons in an alkaline environment so as to dissolve the sericin on the surfaces of silks in water, wherein the alkaline environment can promote the dissolution of the sericin, removing sodium carbonate in the solution by using excessive acetic acid, concentrating to obtain a sericin solution, and then sequentially adding glycerol, modified diatomite, water and the like, Genipin and sodium silicate are used for obtaining a finished natural sericin stock solution, wherein the glycerol can stabilize a protein structure, has a good protection effect on sericin, and also has a lubricating effect, so that the phenomenon that the addition of modified diatomite causes an obvious scraping effect on skin when the facial soap is used, the touch feeling of the facial soap and the skin is influenced, the skin is protected, the damage to a sebum membrane in a cleaning process is reduced, the genipin is a low-toxicity biological cross-linking agent and has a good cross-linking effect on sericin, the two are mixed to form hydrogel with good strength, but because silkworm cocoon is treated in an alkaline environment, part of sericin can be hydrolyzed to generate small-molecule sericin, so that the strength of the hydrogel is reduced, the diatomite and the sodium silicate are used as fillers, and the sodium silicate has good hardness after being condensed and solidified, the diatomite is used as a structural filler, plays a role in adsorbing and fixing micromolecular sericin, and can also reduce the fluidity of natural sericin stock solution and improve the viscosity of the natural sericin stock solution;
in the process of treating the diatomite, acid treatment can remove impurities which are partially dissolved in acid on the surface of the diatomite, expose a microporous structure of the diatomite, and then roast the diatomite to dehydrate two hydroxyl groups in an OH-Si-OH structure to form O-Si-O, so that the adsorption effect of the diatomite is improved, and meanwhile, the diatomite can be converted into a white or nearly white state by high-temperature roasting, so that the influence of the addition of the diatomite on the color of the facial soap which is processed and formed subsequently is reduced;
in addition, the production and development of sericin protein in China are limited to the recovery of sericin protein from silk reeling wastewater. The waste liquid recovery sericin protein engineering is complicated, the efficiency is low, the cost is high, the application potential of the sericin protein is limited, the natural sericin can be directly utilized and the special function of the natural sericin can be effectively exerted, and the sericin protein is prepared from the silkworm cocoons of the natural sericin cocoon silkworm variety, so that the safety problem of raw materials can be effectively guaranteed.
2. In the preparation process of the soap base, the mixed alkali liquor of sodium hydroxide and potassium hydroxide is used as hydrolysis alkali liquor, the mixture of coconut oil and olive oil is hydrolyzed to obtain a mixture of hard sodium fatty acid and soft potassium fatty acid, wherein the potassium fatty acid has an excellent foaming effect and is hard water resistant, but the potassium fatty acid is soft or even liquid, and the sodium palmitate and the sodium stearate have poor foaming properties and excellent cleaning effect in warm water.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A method for preparing facial soap by using natural sericin stock solution comprises the following steps:
step one, preparing natural sericin stock solution
S11, cutting sericin cocoons knotted by natural sericin cocoon varieties into sheets, washing the surfaces of the cocoons with water, airing, adding the aired cocoons into ether, soaking for 24-48h to remove waxy substances on the surfaces of the cocoons, airing the cocoons after solid-liquid separation, adding the aired cocoons into absolute ethyl alcohol, soaking for 12-16h, replacing the absolute ethyl alcohol, continuing to soak for 12-13h, carrying out solid-liquid separation, washing with distilled water, airing to obtain clean cocoons, and removing ether contained in the cocoons in the treatment process;
s12, preparing a sodium carbonate aqueous solution with the concentration of 0.5%, adding the silkworm cocoon obtained by the previous step, boiling for 45-80min to enable sericin on the surface of the silk to fall off and dissolve in the sodium carbonate aqueous solution;
s13, adding acetic acid into the sericin solution obtained in the previous step, wherein the mass ratio of the acetic acid to the sodium carbonate is 2.1-2.3:1, reacting the sodium carbonate in the solution to generate sodium acetate, water and carbon dioxide, reducing the pH value of the solution, and concentrating the sodium carbonate aqueous solution containing sericin to ensure that the concentration of the sericin is 3-10%;
s14, adding glycerol into the concentrated sericin protein aqueous solution obtained in the previous step, uniformly mixing, adding modified diatomite, and uniformly mixing for later use;
s15, adding genipin into the sericin protein aqueous solution containing the modified diatomite obtained by the previous step, uniformly mixing, standing at the temperature of 25-40 ℃ for reaction for 20-60S to form sericin protein hydrogel, finally adding sodium silicate, and uniformly stirring and mixing to obtain a natural sericin protein stock solution for later use;
the addition amount of glycerol in the natural sericin stock solution is 8-12% of the volume of the sericin aqueous solution, the addition amount of modified diatomite in the sericin aqueous solution is 0.08-0.15g/mL, the addition amount of genipin is 5-30% of the volume of the sericin aqueous solution, and the addition amount of sodium silicate in the sericin aqueous solution is 8-25 g/mL;
the preparation method of the modified diatomite comprises the following steps:
firstly, after the diatomite is treated by ultrasonic in 25 percent sulfuric acid solution for 15 to 25min, after solid-liquid separation, soaking the mixture in deionized water for ultrasonic treatment, changing water every 2 to 3 minutes, washing with deionized water for 3-5 times after changing water for 5-7 times, baking and drying, calcining the treated diatomite at the temperature of 450-, heating diatomaceous earth to 50-60 deg.C while stirring diatomaceous earth, adding the mixed oil in form of spray, mixing to obtain modified diatomaceous earth, so that diatomaceous earth can adsorb the mixed oil uniformly, wherein the mass ratio of the mixed oil of the mink oil and the prinsepia utilis royle oil to the diatomite is 0.5-1: 5;
step two, preparing soap base
S21, uniformly mixing coconut oil and olive oil according to a weight ratio to obtain mixed oil for later use, preparing an alkali solution with the mass concentration of 50% -55% of sodium hydroxide and the mass concentration of 15% -25% of potassium hydroxide, heating the alkali solution to 30-40 ℃, adding the mixed oil into the alkali solution, and stirring and reacting until complete hydrolysis;
s22, adding a sodium chloride solution into the hydrolysate to salt out the hydrolysate, layering a mixture of sodium fatty acid and potassium fatty acid with alkali liquor, and filtering and separating to obtain an upper hydrolysis mixture;
s23, adding glycerol into a sodium hydroxide aqueous solution with a mass concentration of 70%, wherein the volume ratio of the glycerol to the sodium hydroxide aqueous solution is 1:10-20, adding palmitic acid and stearic acid, wherein the mass ratio of the palmitic acid to the stearic acid is 1:1-1.5, stirring to react until the palmitic acid and the stearic acid completely react, adding a sodium chloride solution into the mixture to salt out, and filtering to obtain a mixture of sodium palmitate and sodium stearate;
s24, mixing the hydrolysis mixture obtained in the step S22 and the mixture of sodium palmitate and sodium stearate obtained in the step S23 according to the weight ratio of 4:1.5-2, heating to 70 ℃, and uniformly mixing to obtain soap base for later use.
In the step, the soap base adopts a mixed alkali liquor of sodium hydroxide and potassium hydroxide as a hydrolysis alkali liquor, and the mixture of coconut oil and olive oil is hydrolyzed to obtain a mixture of hard sodium fatty acid and soft potassium fatty acid, wherein the potassium fatty acid has an excellent foaming effect and is hard water resistant, but the potassium fatty acid is soft or even liquid, and the sodium palmitate and the sodium stearate have poor foaming properties and excellent cleaning effect in warm water.
Step three, forming the face soap
And (3) heating and melting the soap base obtained in the step two, adding an amino acid surfactant, uniformly mixing, adding the natural sericin stock solution obtained in the step one, adding the addition components, stirring and mixing uniformly, pouring the obtained mixture into a mold, cooling and solidifying to obtain the finished product of the facial soap.
The additive component comprises at least one of essence, preservative, pigment, plant extract and antiallergic agent;
the amino acid surfactant is at least one of weakly alkaline sodium cocoyl glycinate and potassium cocoyl glycinate.
Comparative example 1
Comparative example 1 is different in that modified diatomaceous earth is not added thereto but diatomaceous earth calcined at 450 c for 4 hours is used in the same amount in the preparation of a raw solution of natural sericin under the same conditions.
Comparative example 2
Comparative example 1 is different in that, in the preparation of the step two soap base, a mixed alkali solution of sodium hydroxide 50% by mass and potassium hydroxide 20% by mass was replaced with a sodium hydroxide aqueous solution 70% by mass, and the other conditions were the same.
Comparative example 3
Comparative example 1 is different in that the hydrolysis mixture of the upper layer formed in step S22 is used as a soap base in the preparation of the step-two soap base, and other conditions are the same.
Comparative example 4
Comparative example 1 is different in that a raw material for preparing a facial soap does not include a native sericin stock, and a soap base is used instead of the native sericin stock, except that the other conditions are the same.
Test and results analysis
The skin moisturizing effect, the skin cleaning effect (cleaning with warm water at 40 ℃), the foam quality (including the foam amount and the foam fineness) and the preservation effect (the surface softening state of the facial soap is observed after the facial soap is placed in an environment with the temperature of 25 ℃ and the air humidity of 100% for 2 days), are evaluated, and the evaluation result is divided into five parts by 0.5, wherein 5 is divided into one stage, 4 is divided into good, 3 is divided into general, 2 is divided into poor, 1 is divided into poor, 0 is divided into very poor, and the specific result is shown in table 1;
TABLE 1
| Detecting items | Example 1 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 |
| Moisturizing effect | 5 | 4 | 4 | 5 | 2.5 |
| Cleaning effect | 5 | 5 | 4 | 3.5 | 5 |
| Quality of foam | 4 | 4 | 3 | 5 | 4 |
| Preservation effect | 4.5 | 4.5 | 5 | 3 | 5 |
As can be seen from the data in table 1, the facial soap prepared by the method of the present invention has good moisturizing and cleansing effects, does not cause dry and even peeling of the skin after use, and has good preservation effects in a high humidity environment.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (5)
1. A method for preparing facial soap by using natural sericin stock solution is characterized by comprising the following steps:
step one, preparing natural sericin stock solution
S11, cutting sericin cocoons spun by natural sericin cocoon silkworm varieties into sheets, cleaning the surfaces of the cocoons with water, drying the cocoons in the air, and removing waxy substances on the surfaces of the cocoons;
s12, preparing a sodium carbonate aqueous solution with the concentration of 0.5%, adding the silkworm cocoon obtained by the previous step, boiling for 45-80min to enable sericin on the surface of the silk to fall off and dissolve in the sodium carbonate aqueous solution;
s13, adding acetic acid into the sericin solution obtained in the previous step, wherein the mass ratio of the acetic acid to the sodium carbonate is 2.1-2.3:1, and concentrating the sodium carbonate aqueous solution containing sericin to ensure that the concentration of the sericin is 3-10%;
s14, adding glycerol into the concentrated sericin protein aqueous solution obtained in the previous step, uniformly mixing, adding modified diatomite, and uniformly mixing for later use;
s15, adding genipin into the sericin protein aqueous solution containing the modified diatomite obtained by the previous step, uniformly mixing, standing at the temperature of 25-40 ℃ for reaction for 20-60S to form sericin protein hydrogel, finally adding sodium silicate, and uniformly stirring and mixing to obtain a natural sericin protein stock solution for later use;
step two, preparing soap base
S21, uniformly mixing coconut oil and olive oil according to a weight ratio to obtain mixed oil for later use, preparing an alkali solution with the mass concentration of 50% -55% of sodium hydroxide and the mass concentration of 15% -25% of potassium hydroxide, heating the alkali solution to 30-40 ℃, adding the mixed oil into the alkali solution, and stirring and reacting until complete hydrolysis;
s22, adding a sodium chloride solution into the hydrolysate to salt out the hydrolysate, layering a mixture of sodium fatty acid and potassium fatty acid with alkali liquor, and filtering and separating to obtain an upper hydrolysis mixture;
s23, adding glycerol into a sodium hydroxide aqueous solution with a mass concentration of 70%, wherein the volume ratio of the glycerol to the sodium hydroxide aqueous solution is 1:10-20, adding palmitic acid and stearic acid, wherein the mass ratio of the palmitic acid to the stearic acid is 1:1-1.5, stirring to react until the palmitic acid and the stearic acid completely react, adding a sodium chloride solution into the mixture to salt out, and filtering to obtain a mixture of sodium palmitate and sodium stearate;
s24, mixing the hydrolysis mixture obtained in the step S22 and the mixture of sodium palmitate and sodium stearate obtained in the step S23 according to the weight ratio of 4:1.5-2, heating to 70 ℃, and uniformly mixing to obtain a soap base for later use;
step three, forming the face soap
Heating and melting the soap base obtained in the step two, adding an amino acid surfactant, uniformly mixing, adding the natural sericin stock solution obtained in the step one, adding the addition components, stirring and mixing uniformly, pouring the obtained mixture into a mold, cooling and solidifying to obtain the finished product of the facial soap;
the preparation method of the modified diatomite comprises the following steps:
firstly, after the diatomite is treated by ultrasonic in 25 percent sulfuric acid solution for 15 to 25min, after solid-liquid separation, soaking the mixture in deionized water for ultrasonic treatment, changing water every 2 to 3 minutes, washing with deionized water for 3-5 times after changing water for 5-7 times, baking and drying, calcining the treated diatomite at the temperature of 450-, heating diatomaceous earth to 50-60 deg.C while stirring diatomaceous earth, adding the mixed oil in form of spray, mixing to obtain modified diatomaceous earth, wherein the mass ratio of the mixed oil of the mink oil and the prinsepia utilis royle oil to the diatomite is 0.5-1: 5.
2. The method for preparing facial soap from natural sericin stock solution according to claim 1, wherein the method for removing waxy substances on the surface of the silkworm cocoon in the step S11 comprises the following steps: adding the dried silkworm cocoons into ether to be soaked for 24-48h to remove waxy substances on the surfaces of the silkworm cocoons, drying the silkworm cocoons after solid-liquid separation, adding the dried silkworm cocoons into absolute ethyl alcohol to be soaked for 12-16h, then replacing the absolute ethyl alcohol to continuously soak for 12-13h, performing solid-liquid separation, washing with distilled water, and drying to obtain clean silkworm cocoons.
3. The method for preparing facial soap from natural sericin stock solution according to claim 1, wherein the addition amount of glycerol in the natural sericin stock solution is 8-12% of the volume of the sericin aqueous solution, the addition amount of modified diatomite in the sericin aqueous solution is 0.08-0.15g/mL, the addition amount of genipin is 5-30% of the volume of the sericin aqueous solution, and the addition amount of sodium silicate in the sericin aqueous solution is 8-25 g/mL.
4. The method for preparing facial soap from natural sericin stock solution according to claim 1, wherein the additional components comprise at least one of essence, preservative, pigment, plant extract and antiallergic agent.
5. The method for preparing facial soap from natural sericin stock solution according to claim 1, wherein the amino acid surfactant is at least one of weakly basic sodium cocoyl glycinate and potassium cocoyl glycinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677681.8A CN110257198B (en) | 2019-07-25 | 2019-07-25 | Method for preparing facial soap from natural sericin stock solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910677681.8A CN110257198B (en) | 2019-07-25 | 2019-07-25 | Method for preparing facial soap from natural sericin stock solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110257198A CN110257198A (en) | 2019-09-20 |
| CN110257198B true CN110257198B (en) | 2021-02-09 |
Family
ID=67928234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910677681.8A Active CN110257198B (en) | 2019-07-25 | 2019-07-25 | Method for preparing facial soap from natural sericin stock solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110257198B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111793533A (en) * | 2020-07-18 | 2020-10-20 | 广东茂名健康职业学院 | Herbal essence silk soap and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1626062A (en) * | 2003-12-11 | 2005-06-15 | 诗丽吉皇后陛下促进副业及相关技术基金会 | Silk soap bar and processes for manufacture the same |
| CN103301051A (en) * | 2012-03-07 | 2013-09-18 | 南京华狮化工有限公司 | Transparent beauty treatment soap composition |
| CN105018254A (en) * | 2015-07-04 | 2015-11-04 | 青岛科技大学 | Oil-control acne-removing cosmetic soap and preparation method therefor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106753917A (en) * | 2016-12-14 | 2017-05-31 | 浙江大学 | A kind of method that silk gum essential oil handmade soap is prepared with silk gum solution |
| CN107312654A (en) * | 2017-07-13 | 2017-11-03 | 芜湖慧宇商贸有限公司 | A kind of preparation method of the skin repair soap containing fibroin albumen |
| CN107603783A (en) * | 2017-10-17 | 2018-01-19 | 孙云康 | A kind of diatomite soap and preparation method thereof |
-
2019
- 2019-07-25 CN CN201910677681.8A patent/CN110257198B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1626062A (en) * | 2003-12-11 | 2005-06-15 | 诗丽吉皇后陛下促进副业及相关技术基金会 | Silk soap bar and processes for manufacture the same |
| CN103301051A (en) * | 2012-03-07 | 2013-09-18 | 南京华狮化工有限公司 | Transparent beauty treatment soap composition |
| CN105018254A (en) * | 2015-07-04 | 2015-11-04 | 青岛科技大学 | Oil-control acne-removing cosmetic soap and preparation method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110257198A (en) | 2019-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102733001B (en) | Feather protein fiber and method for preparing same | |
| CN102532253B (en) | Method for extracting silk protein | |
| CN103924009A (en) | Formaldehyde scavenger, as well as preparation method and applications thereof | |
| CN103061153A (en) | Production process of sterilizing and mite-removing down | |
| CN105063769A (en) | Production method of high-quality down feather | |
| CN102286252A (en) | Process for producing gelatin by using acid method | |
| CN105820355B (en) | Genipin cross-linked fish-derived collagen composite material and preparation method thereof | |
| CN108774613A (en) | A kind of soapberry pericarp handmade soap and preparation method thereof | |
| CN107858458A (en) | A kind of processing technology of cow leather | |
| CN110257198B (en) | Method for preparing facial soap from natural sericin stock solution | |
| CN103829029A (en) | Production method of non-denatured pure sericin stock solution | |
| CN105542663B (en) | A kind of method that gelatin is prepared as raw material using pigskin and preparation method thereof | |
| CN106726681B (en) | A kind of method that uses sericin protein to prepare facial mask | |
| CN111714399B (en) | Whitening, antibacterial and cutin-removing hand sanitizer and preparation method thereof | |
| CN106752975B (en) | The preparation method of fishskin gelatin | |
| CN101445547A (en) | Method for preparing fishskin collagen with high molecular weight in a thermal-dissolving way at low temperature | |
| CN104513842A (en) | Production method of odorless moisture-retaining collagen | |
| CN110618010A (en) | Method for manufacturing paraffin section of bone tissue | |
| CN102924966B (en) | Date peel red pigment, and preparation and application thereof | |
| CN107581461B (en) | A kind of preparation method of high whiteness Peruvian squid skin gelatin | |
| CN109122795A (en) | A kind of low bacterium degree consumption animal collagen casing and preparation method thereof | |
| CN108719488A (en) | A kind of easy cleaning grey bean curd and preparation method thereof | |
| CN115120511A (en) | Diatomite clean mud film and preparation method thereof | |
| CN108835635A (en) | A method of antioxidant is extracted by grape pip | |
| CN107443959A (en) | A kind of writing brush and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |