CN109288727B - Frosted hand sanitizer for industrial heavy oil stain removal and preparation method thereof - Google Patents
Frosted hand sanitizer for industrial heavy oil stain removal and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a frosted hand sanitizer for industrially removing heavy oil stains and a preparation method thereof, wherein the frosted hand sanitizer comprises the following components: fatty alcohol-polyoxyethylene ether, sodium dodecyl diphenyl ether disulfonate, isomeric tridecanol polyoxyethylene ether, sodium di-sec-octyl sulfosuccinate, cocamidopropyl betaine, anionic polyacrylamide, frosted particles, sodium metasilicate, a chelating agent, ethanol, a preservative, and the balance of a thickening agent, a pH regulator and water. The frosted hand sanitizer has stable quality, mild action, high removal rate of heavy oil stains, no grease stain residue after hand washing, easy washing, no dry and tight feeling of hand skin after washing, no adverse reaction such as irritation and allergy, high efficiency of heavy oil stain removal and good hand washing effect, and is suitable for workers in the industries of machine repair, steam repair, oil extraction, printing ink, printing, petrochemical industry, machining and the like to remove the heavy oil stains on the hands.
Description
Technical Field
The invention belongs to the technical field of hand sanitizer, and particularly relates to a frosted hand sanitizer for industrially removing heavy oil stains, and a preparation method of the frosted hand sanitizer for industrially removing heavy oil stains.
Background
The hand sanitizer is a daily washing product for cleaning hands, has the advantages of convenience in use, avoidance of cross contamination, diversification of components and functions, low cost, strong practicability and the like compared with the traditional hand soap, and becomes a daily consumer product for people. The existing hand sanitizer has various types, and can be divided into a common type, an anti-bacterial type, a water-free type, a foam type, an industrial heavy oil stain type, a children type, a medical type and the like according to different purposes.
The common hand sanitizer has a simple formula, mainly comprises a surfactant and a common auxiliary agent, has the function of removing hand dirt grease, can be added with skin care ingredients such as glycerin and the like, has the function of moistening the skin while cleaning the hand skin, and is generally used in families or public places.
The hand washing is the best way to prevent diseases transmitted by hands, and the hand is the second face of a person and is one of the most important and obvious marks for the body to convey beauty and health, so the hand sanitizer which is convenient to use, sanitary and has the skin care function is bound to be part of healthy life work. At present, the hand sanitizer is also developing from a washing type with a single function to a type with skin care, skin beautifying, nutrition, antibiosis, bacteriostasis and special functions, and the development of the function diversification of the hand sanitizer aiming at different requirements of different consumer groups is a development trend.
Workers engaged in the industries of machine repair, steam repair, oil extraction, printing ink, printing, petrochemical engineering, mechanical processing and the like are often stained with heavy oil stains, and the heavy oil stains are difficult to clean by adopting the common hand sanitizer, soap and the like; residual oil stains are accumulated in gully lines of the skin of the hand, so that the skin is blackened and dried, and the dirt is stored, so that the beauty is influenced, and the sanitation and the health are influenced, and diseases are easily spread by hands. Many workers adopt gasoline, kerosene and the like for cleaning heavy oil stains on hands for a long time, although the cleaning effect is good, the substances have strong volatility, stimulate the skin, are harmful to human bodies after being used for a long time, and have potential safety hazards of flammability and explosiveness; some workers sometimes wash heavy oil stains on hands with sand and wood chips, which causes severe stimulation to the skin of the hands, red swelling and peeling, and even chapping and bleeding; in addition, the hands of workers engaged in the industries are easy to be injured, the cleaning mode is not favorable for wound healing, and can cause secondary injury and infection of the hand skin, thereby causing great injury and pain to human bodies.
Therefore, the hand sanitizer for industrial workers, which is developed for heavy oil pollution practitioners and has the advantages of strong heavy oil pollution removal capability, mild performance, small stimulation and safety, is a technical problem to be solved.
Disclosure of Invention
The invention aims to provide the frosted hand sanitizer for removing the heavy oil dirt in industry, which has strong capability of removing the heavy oil dirt, mild performance, no stimulation, safety and reliability.
The second purpose of the invention is to provide a preparation method of the frosted hand sanitizer for industrial heavy oil stain removal.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a composite hand sanitizer for industrial heavy oil stain removal comprises the following components in percentage by mass: 6.0-6.5 percent of fatty alcohol-polyoxyethylene ether, 1.8-2.0 percent of sodium dodecyl diphenyl ether disulfonate, 2.0-2.2 percent of isomeric tridecanol polyoxyethylene ether, 2.0-2.2 percent of sodium di-sec-octyl sulfosuccinate, 1.0-1.2 percent of cocamidopropyl betaine, 0.04-0.06 percent of anionic polyacrylamide, 2.8-3.0 percent of ground particles, 0.6-0.8 percent of sodium metasilicate, 0.4-0.6 percent of chelating agent, 8.0-10.0 percent of ethanol, 0-0.1 percent of preservative, and the balance of thickening agent, pH regulator and water.
The pH value of the frosted hand sanitizer is 7.5-8.0. The frosted hand sanitizer is weak in alkalinity as a whole, and in the pH value range, all components are uniformly dispersed, the properties are stable, the heavy oil stain removal efficiency is high, and the cleaning effect is good.
The viscosity of the hand sanitizer for the sand grinding mold is 5300-5500mPa & s; the thickener is polyacrylic acid thickener. The thickening agent is adopted to adjust the viscosity of the system. The frosted hand sanitizer has high viscosity, can enable frosted particles to be uniformly dispersed in a system, and has no precipitation or floating phenomenon.
The frosted particles are chitosan modified bamboo charcoal particles. The bamboo charcoal particles are subjected to surface modification by using chitosan, and the chitosan has excellent biocompatibility such as antibiosis, mite removal, inflammation elimination, suppuration, pain relief, scar removal, reduction of wound surface liquid precipitation, contribution to wound healing and the like due to a macromolecular structure, is positioned on the surfaces of the frosted particles and is in contact with human skin through surface modification, so that the biocompatibility and antibacterial property of the frosted particles can be fully exerted, and the stimulation of the bamboo charcoal particles to the human skin in the frosting process is reduced. On the other hand, the chitosan is adopted to improve the dispersion performance of the bamboo charcoal particles, and the good film-forming property and viscosity of the chitosan are utilized to enable the frosted particles to spread and disperse in the system, so that the frosted particles can better float in the system, do not settle and float upwards, and have stable properties. The invention is a water-based hand sanitizer, and a proper amount of ethanol is used as a cosolvent to help dispersion, so that the dispersibility and stability of a system are improved.
The chelating agent is EDTA-2 Na. The chelating agent is used for complexing metal ions on the surface of hand skin, so that the metal ions are easy to remove; simultaneously complexing Ca in tap water2+、Mg2+And hard water ions are waited, so that the hard water resistance of the hand sanitizer is improved.
The preservative is dimethylol hydantoin. The frosted hand sanitizer contains organic macromolecular substances, and the preservative has the function of preventing bacteria from breeding and generating putrefaction.
The pH regulator is citric acid. And regulating the pH value of the system by adopting a pH regulator.
The preparation method of the frosted hand sanitizer for industrially removing heavy oil stains comprises the following steps:
1) dispersing bamboo charcoal particles with particle size of 0.8-1.0mm in water, adding acetic acid solution of chitosan, mixing, filtering, washing, and drying to obtain chitosan modified bamboo charcoal particles, i.e. frosted particles;
2) mixing ethanol and water according to a formula amount to prepare an ethanol water solution, adding chitosan modified bamboo charcoal particles obtained in the step 1) according to the formula amount, uniformly dispersing, adding fatty alcohol-polyoxyethylene ether, dodecyl diphenyl ether disulfonic acid sodium, isotridecanol polyoxyethylene ether, sulfonated di-sec-octyl succinate sodium salt, cocamidopropyl betaine, an anionic polyacrylamide water solution, sodium metasilicate, a chelating agent and a preservative according to the formula amount under the conditions of a water bath at 55-60 ℃ and stirring, uniformly dispersing, cooling, adjusting the viscosity of a system by using a thickening agent and adjusting the pH value of the system by using a pH adjusting agent to obtain the frosted hand sanitizer.
In the step 1), the mass ratio of the bamboo charcoal particles to the chitosan is 1 (0.2-0.25).
In the step 1), the mass concentration of the chitosan in the acetic acid solution of the chitosan is 2.0-2.5%.
The invention relates to a frosted hand sanitizer for removing heavy oil stains in industry, which adopts a surfactant compounded by fatty alcohol-polyoxyethylene ether, sodium dodecyl diphenyl ether disulfonate, isomeric tridecanol polyoxyethylene ether, sodium di-sec-octyl sulfosuccinate and cocamidopropyl betaine. Wherein, the fatty alcohol-polyoxyethylene ether (AEO) is a nonionic surfactant, has strong emulsifying, foaming and decontamination effects, is easy to form O/W type emulsion, resists hard water, is easy to biodegrade and has good low-temperature washing effect; the dodecyl diphenyl ether disulfonic acid sodium belongs to an anionic gemini surfactant, can effectively reduce surface tension, foam, stabilize foam and emulsify, is compounded with fatty alcohol-polyoxyethylene ether to remove greasy dirt, has strong synergistic interaction and good biodegradability; the isomeric tridecanol polyoxyethylene ether belongs to a nonionic surfactant, has good wettability, permeability and emulsibility, can be used as a degreasing agent to quickly strip grease dirt from human skin, and has good low-temperature washing effect; the sodium di-sec-octyl sulfosuccinate belongs to an anionic surfactant, has high-efficiency and uniform permeability, and can quickly permeate oil stains to reach the surface of skin, so that the oil stains are easy to strip; the cocoamidopropyl betaine is an amphoteric surfactant, has good compatibility with anionic and nonionic surfactants, can remarkably reduce the irritation of the anionic surfactant, remarkably improves the comprehensive washing capacity of a system, and is mild to the skin. The invention adopts the two anionic types, the two nonionic types and the amphoteric surfactant for compounding, and adopts the amphoteric surfactant cocoanut oil amidopropyl betaine to regulate the compatibility of the anionic surfactant and the nonionic surfactant, so that the anionic surfactant and the nonionic surfactant are mutually matched and act synergistically to form a water-based hand sanitizer system with stable property, the foaming, emulsifying and wetting functions of the water-based hand sanitizer system are fully exerted, grease dirt is quickly peeled off from hand skin, the washing and decontamination effects are good, and the water-based hand sanitizer system is mild and has no stimulation to the skin of a human body.
According to the frosted hand sanitizer, the anionic polyacrylamide, the frosted particles and the sodium metasilicate are compounded to be used as a washing assistant, the anionic polyacrylamide has a good flocculation effect, and grease dirt peeled from the surface of skin can be agglomerated into floccules after a small amount of the anionic polyacrylamide is added into the hand sanitizer, so that the cleaning assistant is easy to wash and remove. The abrasive particles are made of bamboo charcoal particles with chitosan surface modification, on one hand, the abrasive particles can penetrate into texture gullies on the surface of the skin in the rubbing process to help grease dirt to be separated, and on the other hand, the bamboo charcoal particles have good adsorbability and can exist as flocculation nuclei in the rubbing process to accelerate the flocculation agglomeration process. Sodium metasilicate is a better inorganic degreasing agent, has stronger wetting, emulsifying and saponifying effects, can be used as a hand sanitizer in a decontamination cleaning agent, and can help to remove, disperse and suspend dirt and prevent the dirt from redepositing on the skin of hands; meanwhile, the water-soluble hand sanitizer has proper activity alkalinity and pH buffering index, so that a relatively stable pH value of a hand sanitizer system is maintained, and the stability of the system is improved.
The frosted hand sanitizer for removing heavy oil stains in industry has good heat resistance and cold resistance and stable property; the height of the foamed foam reaches above 576mm, and the foam meets and is greatly superior to the physical and chemical performance index of the hand sanitizer; the antibacterial rate to escherichia coli reaches over 90.64%, the antibacterial rate to staphylococcus aureus reaches over 94.80%, and the antibacterial agent has good antibacterial performance; has no obvious irritation and allergy to skin. Through detection, the oil stain removal rate of the frosted hand sanitizer for one-time cleaning reaches more than 97.85 percent, and most of heavy oil stains are removed; the oil stain removal rate of the secondary cleaning can reach 100 percent, no grease stain remains on hands, heavy oil stains are cleaned, and foams easily flow away with water when the heavy oil stains are washed by water; after the hands are dried, the skin is not tight and does not have stabbing pain. The frosted hand sanitizer has stable quality, mild action, high removal rate of heavy oil stains, no grease dirt residue after hand washing, easy washing, no dry and tight feeling of hand skin after hand washing, no adverse reaction such as irritation and allergy, high efficiency of removing the heavy oil stains, and is suitable for workers in the industries of machine repair, steam repair, oil extraction, printing ink, printing, petrochemical industry, mechanical processing and the like to remove the heavy oil stains on the hands.
The preparation method of the frosted hand sanitizer for industrially removing the heavy oil stains has the advantages of simple process and convenient operation, and is suitable for large-scale industrial production. The biological degradation degree of each raw material component is high, and the biological degradation agent is green, environment-friendly, safe and reliable, and is suitable for popularization and application.
Detailed Description
The present invention will be further described with reference to the following embodiments.
In a specific embodiment, the fatty alcohol-polyoxyethylene ether is AEO-9, R-O- (CH)2CH2O) nH, R ═ C12, n ═ 9. The isomeric tridecanol polyoxyethylene ether is R-O- (CH)2CH2O) nH, R ═ isotridecanol, and n ═ 12. The molecular weight of the used anionic polyacrylamide is 600 ten thousand, and a solution with the mass concentration of 0.4-0.6% is prepared in advance for standby. The chitosan has deacetylation degree of 85% and average molecular weight of 4 × 105。
Example 1
The frosted hand sanitizer for industrial heavy oil removal consists of the following components in percentage by mass: 6.0 percent of fatty alcohol-polyoxyethylene ether, 1.8 percent of sodium dodecyl diphenyl ether disulfonate, 2.2 percent of isomeric tridecanol polyoxyethylene ether, 2.2 percent of sodium di-sec-octyl sulfosuccinate, 1.2 percent of cocamidopropyl betaine, 0.06 percent of anionic polyacrylamide, 2.8 percent of chitosan modified bamboo charcoal particles, 0.8 percent of sodium metasilicate, 0.4 percent of EDTA-2Na, 10.0 percent of ethanol, 0.03 percent of dimethylol hydantoin, 5500mPa & s of polyacrylic acid thickener adjusting system viscosity, 7.5 percent of pH value of pH regulator citric acid adjusting system, and the balance of water.
The preparation method of the frosted hand sanitizer for industrial heavy oil stain removal comprises the following steps:
1) adding acetic acid into water to prepare an acetic acid aqueous solution with the concentration of 5%, adding chitosan into the obtained acetic acid aqueous solution, stirring and dissolving to prepare an acetic acid solution with the concentration of chitosan of 2.0%;
dispersing bamboo charcoal particles with the average particle size of 0.8mm in 19 times of mass of water, adding the acetic acid solution of the chitosan, wherein the mass ratio of the bamboo charcoal particles to the chitosan is 1:0.2, uniformly mixing, filtering, washing and drying to obtain chitosan modified bamboo charcoal particles, namely the ground particles;
2) mixing ethanol and water according to the formula amount to prepare an ethanol aqueous solution, adding chitosan modified bamboo charcoal particles obtained in the step 1) according to the formula amount, uniformly dispersing, adding fatty alcohol-polyoxyethylene ether, dodecyl diphenyl ether disulfonic acid sodium, isotridecanol polyoxyethylene ether, di-sec-octyl sulfosuccinate sodium salt, cocamidopropyl betaine, an anionic polyacrylamide aqueous solution, sodium metasilicate, a chelating agent EDTA-2Na and a preservative dimethylolhydantoin according to the formula amount under the conditions of a water bath at 60 ℃ and stirring, uniformly dispersing, cooling, adding a polyacrylic acid thickening agent to adjust the viscosity of the system, and adjusting the pH value of the system by using a pH adjusting agent citric acid to obtain the frosted hand sanitizer.
Example 2
The frosted hand sanitizer for industrial heavy oil removal consists of the following components in percentage by mass: 6.3 percent of fatty alcohol-polyoxyethylene ether, 1.9 percent of sodium dodecyl diphenyl ether disulfonate, 2.1 percent of isomeric tridecanol polyoxyethylene ether, 2.1 percent of sodium di-sec-octyl sulfosuccinate, 1.1 percent of cocamidopropyl betaine, 0.05 percent of anionic polyacrylamide, 2.9 percent of chitosan modified bamboo charcoal particles, 0.7 percent of sodium metasilicate, 0.5 percent of EDTA-2Na, 9.0 percent of ethanol, 0.03 percent of dimethylol hydantoin, 5300.5 percent of polyacrylic acid thickener adjusting system viscosity, 7.5 percent of pH value of pH adjusting agent citric acid adjusting system and the balance of water.
The preparation method of the frosted hand sanitizer for industrial heavy oil stain removal comprises the following steps:
1) adding acetic acid into water to prepare an acetic acid aqueous solution with the concentration of 5%, adding chitosan into the obtained acetic acid aqueous solution, stirring and dissolving to prepare an acetic acid solution with the concentration of chitosan of 2.3%;
dispersing bamboo charcoal particles with the average particle size of 0.8mm in 19 times of mass of water, adding the acetic acid solution of the chitosan, wherein the mass ratio of the bamboo charcoal particles to the chitosan is 1:0.23, uniformly mixing, filtering, washing and drying to obtain chitosan modified bamboo charcoal particles, namely the ground particles;
2) mixing ethanol and water according to the formula amount to prepare an ethanol aqueous solution, adding the chitosan modified bamboo charcoal particles obtained in the step 1) according to the formula amount, uniformly dispersing, adding the fatty alcohol polyoxyethylene ether, dodecyl diphenyl ether disulfonic acid sodium, isotridecanol polyoxyethylene ether, di-sec-octyl sulfosuccinate sodium salt, cocamidopropyl betaine, an anionic polyacrylamide aqueous solution, sodium metasilicate, a chelating agent EDTA-2Na and a preservative dimethylolhydantoin according to the formula amount under the conditions of a water bath at 60 ℃ and stirring, uniformly dispersing, cooling, adding a polyacrylic acid thickening agent to adjust the viscosity of the system, and adjusting the pH value of the system by using a pH adjusting agent citric acid to obtain the frosted hand sanitizer.
Example 3
The frosted hand sanitizer for industrial heavy oil removal consists of the following components in percentage by mass: 6.5 percent of fatty alcohol-polyoxyethylene ether, 2.0 percent of sodium dodecyl diphenyl ether disulfonate, 2.0 percent of isomeric tridecanol polyoxyethylene ether, 2.0 percent of sodium di-sec-octyl sulfosuccinate, 1.1 percent of cocamidopropyl betaine, 0.04 percent of anionic polyacrylamide, 3.0 percent of chitosan modified bamboo charcoal particles, 0.6 percent of sodium metasilicate, 0.6 percent of EDTA-2Na, 8.0 percent of ethanol, 0.03 percent of dimethylol hydantoin, 5000mPa & s of polyacrylic acid thickener adjusting system viscosity, 7.5 percent of pH value of pH adjusting agent citric acid adjusting system and the balance of water.
The preparation method of the frosted hand sanitizer for industrial heavy oil stain removal comprises the following steps:
1) adding acetic acid into water to prepare an acetic acid aqueous solution with the concentration of 5%, adding chitosan into the obtained acetic acid aqueous solution, stirring and dissolving to prepare an acetic acid solution with the concentration of chitosan of 2.5%;
dispersing bamboo charcoal particles with the average particle size of 0.8mm in 19 times of mass of water, adding the acetic acid solution of the chitosan, wherein the mass ratio of the bamboo charcoal particles to the chitosan is 1:0.25, uniformly mixing, filtering, washing and drying to obtain chitosan modified bamboo charcoal particles, namely the ground particles;
2) mixing ethanol and water according to the formula amount to prepare an ethanol aqueous solution, adding chitosan modified bamboo charcoal particles obtained in the step 1) according to the formula amount, uniformly dispersing, adding fatty alcohol-polyoxyethylene ether, dodecyl diphenyl ether disulfonic acid sodium, isotridecanol polyoxyethylene ether, di-sec-octyl sulfosuccinate sodium salt, cocamidopropyl betaine, an anionic polyacrylamide aqueous solution, sodium metasilicate, a chelating agent EDTA-2Na and a preservative dimethylolhydantoin according to the formula amount under the conditions of a water bath at 60 ℃ and stirring, uniformly dispersing, cooling, adding a polyacrylic acid thickening agent to adjust the viscosity of the system, and adjusting the pH value of the system by using a pH adjusting agent citric acid to obtain the frosted hand sanitizer.
Experimental example 1
The basic performance of the frosted hand sanitizer for industrial heavy oil stain removal obtained in examples 1 to 3 was tested, and the results are shown in table 1.
The stability detection is carried out according to GB19877.1-2005 special hand sanitizer, and the state stability of the sample under the conditions of high temperature and low temperature is detected.
The foaming property test is that a sample is prepared into a solution with the mass concentration of 0.1 percent, 50ml of the solution is placed in a measuring cylinder, the measuring cylinder is shaken up and down three times in a plug port, the height of foam is recorded, and the average value is obtained by repeating the measurement 3 times.
And (3) testing the bacteriostasis rate of the hand sanitizer sample on staphylococcus aureus and escherichia coli according to C4.2 in QB15979-2002 hygienic Standard for Disposable sanitary products.
Irritation test skin irritation experiments were performed on the samples according to the Disinfection protocol (2002) and local skin reactions were observed in rabbits for 48 h.
Table 1 results of basic performance tests of hand cleaners for milled sand molds obtained in examples 1-3
As can be seen from Table 1, the frosted hand sanitizer for industrial heavy oil stain removal obtained in examples 1-3 has no flocculation, delamination or precipitation phenomenon, no change in smell, good heat and cold resistance and stable properties in the process of heat preservation at high temperature of 40 ℃ and low temperature of-5 ℃ for 24h and then returning to normal temperature. The foam height of the frosted hand sanitizer reaches above 576mm, and the frosted hand sanitizer meets and is greatly superior to the physical and chemical performance index of the hand sanitizer (the foam height of the hand sanitizer is more than or equal to 100 mm). According to bacteriostasis experiments, the frosted hand sanitizer has the bacteriostasis rate of over 90.64 percent to escherichia coli and over 94.80 percent to staphylococcus aureus, and has good bacteriostasis performance. The scrub type hand sanitizer sample is observed for 48 hours through a rabbit skin irritation test, and the smearing part has no adverse reaction.
Experimental example 2
The experimental example detects the service performance of the frosted hand sanitizer for industrial heavy oil stain removal obtained in the examples 1 to 3, and detects the heavy oil stain removal performance of the frosted hand sanitizer.
The experimental contents are as follows: randomly selecting 40 workers engaged in machine repair and automobile repair as volunteers to be tested, smearing simulated oil stains on clean and dry hands, wherein the amount of the smeared films is 2 g/two hands (marked as initial heavy oil stain), standing for 10min at normal temperature, and waiting for cleaning. The simulated oil stain is a mixture of mechanical punching oil, lubricating oil and dust in a mass ratio of 1:1:0.2 and is used for simulating heavy oil stain.
The cleaning process simulates the use process of the conventional hand sanitizer: wetting hands of each person in the experimental group by using water, placing the sand grinding type hand sanitizer obtained in the embodiment at the palm, kneading the hand sanitizer into foam with the use amount of 0.6g per hand, carefully kneading the hand sanitizer for 30s according to the sequence of palm center to palm center, palm center to palm back, finger seam to finger seam and finger abdomen to palm center, washing the hand sanitizer by using water, and marking as one-time cleaning; the hand sanitizer of the sand-milled mold obtained in the example was put into a glove with an amount of 0.6 g/hand, kneaded to foam, then kneaded carefully for 30 seconds in the same order, rinsed with water, and recorded as a second rinse. The experimental groups 1 to 3 respectively adopt the hand sanitizer of the sand grinding mold obtained in the embodiments 1 to 3; the comparative example was washed twice with a commercial industrial degreasing liquid soap (a Tibet liquid soap), and the specific procedures and amounts were as above.
And cleaning hands of the experimental group and the comparative example, naturally airing, soaking by using ethanol, thoroughly cleaning two hands, collecting ethanol washing liquor, concentrating, performing rotary evaporation, collecting residues, weighing and calculating, and recording as the residual oil stain amount. The heavy oil stain removal rate is (initial heavy oil stain amount-residual oil stain amount)/initial heavy oil stain amount × 100%.
The results are shown in Table 2.
Table 2 heavy oil stain removal detection performance results of the hand sanitizer for sand grinding type obtained in examples 1 to 3
| Group of | Experimental group 1 | Experimental group 2 | Experimental group 3 | Comparative example |
| Hand sanitizer | Example 1 | Example 2 | Example 3 | Commercial product |
| Initial heavy oil contamination amount, g | 2.000 | 2.000 | 2.000 | 2.000 |
| Amount of residual oil stain after one washing, g | 0.0348 | 0.043 | 0.0396 | 0.3458 |
| A rate of removing oil stains by one washing% | 98.26 | 97.85 | 98.02 | 82.71 |
| Residual oil stain amount after secondary cleaning, g | 0 | 0 | 0 | 0.0904 |
| The oil stain removal rate of the second cleaning% | 100 | 100 | 100 | 95.48 |
| Ease of rinsing | Easy to wash | Easy to wash | Easy to wash | Is difficult to flush |
| Skin of hand after washing | Is relatively wet | Is relatively wet | Is relatively wet | Dry and stretch tightly |
As can be seen from Table 2, after the frosted liquid soap for removing heavy oil stains industrially obtained in examples 1-3 is used for cleaning once, the oil stain removal rate reaches more than 97.85 percent, and most heavy oil stains are removed; in the comparative example, after the commercially available industrial degreasing liquid soap is used for cleaning once, the degreasing rate is only 82.71%, the degreasing rate after repeated cleaning for two times is only 95.48%, a small amount of grease dirt still remains on the hand, and the hand is not cleaned; and because a small part of heavy oil dirt is remained on the hands and has sticky feeling, the foam is difficult to wash clean when being washed by water; the skin of the hand is dry and tight after the hand is dried, and the skin of the hand of the testee is dry and tight and is slightly stabbing and painful. After the frosted liquid soap for removing the heavy oil stains in the industry obtained in the embodiment 1-3 is used for secondary cleaning, the oil stain removal rate reaches 100%, no grease stain remains on hands, and the heavy oil stains are cleaned; because the hands have no grease dirt residue, the foam is easy to flow away with water when the hands are washed by water; after the hands are dried, the skin is not dry, not tight and not stabbing. Experimental results show that the frosted hand sanitizer disclosed by the invention is stable in quality, mild in action, high in removal rate of heavy oil stains, free of grease and dirt residue after hand washing, easy to wash, free of adverse reactions such as dryness, tightness, irritation, allergy and the like on hand skin after hand washing, high in heavy oil stain removal efficiency and good in hand washing effect, and is suitable for workers in the industries such as machine repair, steam repair, oil extraction, printing ink, printing, petrochemical industry and machining to remove the heavy oil stains on the hands.
Claims (6)
1. The utility model provides a dull polish type liquid soap for industry removes heavy greasy dirt which characterized in that: the composite material comprises the following components in percentage by mass: 6.0-6.5% of fatty alcohol-polyoxyethylene ether, 1.8-2.0% of sodium dodecyl diphenyl ether disulfonate, 2.0-2.2% of isomeric tridecanol polyoxyethylene ether, 2.0-2.2% of sodium di-sec-octyl sulfosuccinate, 1.0-1.2% of cocamidopropyl betaine, 0.04-0.06% of anionic polyacrylamide, 2.8-3.0% of ground particles, 0.6-0.8% of sodium metasilicate, 0.4-0.6% of chelating agent, 8.0-10.0% of ethanol, 0-0.1% of preservative, and the balance of thickening agent, pH regulator and water;
the frosted particles are chitosan modified bamboo charcoal particles; the preparation method comprises the following steps: dispersing bamboo charcoal particles with particle size of 0.8-1.0mm in water, adding acetic acid solution of chitosan, mixing, filtering, washing, and drying to obtain chitosan modified bamboo charcoal particles, i.e. frosted particles; the mass ratio of the bamboo charcoal particles to the chitosan is 1 (0.2-0.25).
2. The frosted hand sanitizer for industrial heavy oil degreasing according to claim 1, wherein: the pH value of the frosted hand sanitizer is 7.5-8.0.
3. The frosted hand sanitizer for industrial heavy oil degreasing according to claim 1, wherein: the viscosity of the frosted hand sanitizer is 5300-5500mPa & s; the thickening agent is polyacrylic acid thickening agent.
4. The frosted hand sanitizer for industrial heavy oil degreasing according to claim 1, wherein: the chelating agent is EDTA-2 Na.
5. A method of preparing a scrub-type hand sanitizer according to any one of claims 1 to 4 for industrial heavy oil degreasing, comprising: the method comprises the following steps:
1) dispersing bamboo charcoal particles with particle size of 0.8-1.0mm in water, adding acetic acid solution of chitosan, mixing, filtering, washing, and drying to obtain chitosan modified bamboo charcoal particles, i.e. frosted particles;
2) mixing ethanol and water according to a formula amount to prepare an ethanol water solution, adding chitosan modified bamboo charcoal particles obtained in the step 1) according to the formula amount, uniformly dispersing, adding fatty alcohol-polyoxyethylene ether, dodecyl diphenyl ether disulfonic acid sodium, isotridecanol polyoxyethylene ether, sulfonated di-sec-octyl succinate sodium salt, cocamidopropyl betaine, an anionic polyacrylamide water solution, sodium metasilicate, a chelating agent and a preservative according to the formula amount under the conditions of a water bath at 55-60 ℃ and stirring, uniformly dispersing, cooling, adjusting the viscosity of a system by using a thickening agent and adjusting the pH value of the system by using a pH adjusting agent to obtain the frosted hand sanitizer.
6. The method for preparing the frosted type hand sanitizer for industrial heavy oil degreasing according to the claim 5, which is characterized in that: in the step 1), the mass concentration of the chitosan in the acetic acid solution of the chitosan is 2.0-2.5%.
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