CN112481048A - Aerobic bacteriostatic washing powder and preparation method thereof - Google Patents
Aerobic bacteriostatic washing powder and preparation method thereof Download PDFInfo
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- 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
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
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- 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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/046—Salts
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/08—Silicates
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/128—Aluminium silicates, e.g. zeolites
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/386—Preparations containing enzymes, e.g. protease or amylase
- C11D3/38609—Protease or amylase in solid compositions only
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
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- C11D3/3942—Inorganic per-compounds
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/50—Perfumes
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- 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
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
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- 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
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
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- 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
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
Abstract
The invention relates to an aerobic bacteriostatic washing powder which is prepared from the following raw materials in parts by weight: sodium dodecylbenzenesulfonate: 12-16 parts; AOS: 3-5 parts; 4A Zeolite: 16-20 parts of a solvent; soda ash: 16-20 parts of a solvent; SP-II: 0.6-1.0 part; sodium silicate: 9-11 parts; anhydrous sodium sulphate: 13-17 parts; water: 1-3 parts; high activity protease: 0.1-0.5 part; essence: 0.1-0.3 part; AEO-9: 1-3 parts; high-efficiency composite sodium disilicate auxiliary agent: 0.3-0.7 part; peroxysulfate salt: 13-17 parts. The preparation method of the aerobic bacteriostatic washing powder comprises the steps of material preparation, pulping, drying and post-treatment. The invention has the advantages that: has the characteristics of bleaching and brightening, effective bacteriostasis and mite removal, peculiar smell removal, strong decontamination, no whitening agent, safety and health. The preparation method disclosed by the invention is simple to operate, convenient to prepare, energy-saving, environment-friendly and low in cost, and is suitable for industrial production.
Description
Technical Field
The invention relates to the field of daily-use chemical industry, in particular to an aerobic bacteriostatic washing powder and a preparation method thereof.
Background
The washing powder is a powdered (granular) synthetic detergent, which takes a surfactant as a main component and is matched with a proper amount of builders with different functions. The washing powder has strong detergency, good solubility and convenient use, and is superior to hard water resistance, rich foam and the like. Meanwhile, the price is cheaper, and the detergent belongs to a laundry detergent with higher cost performance. The market competition of washing powder in China is intense, the homogenization phenomenon of products is very serious, the demands of consumers are continuously changed, and the differentiation trend is obvious. With the improvement of the living standard of people, consumers pay more and more attention to the health and safety problems of detergents.
In recent years, washing powder is rapidly developed in China, and various types of washing powder emerge endlessly, so that the demands of various groups of people are met. For example, Chinese patent with publication number of CN1038656733A discloses a novel phosphorus-free detergent formula, which has the advantages of no phosphorus element, environmental protection, no harm to skin and convenient use; for example, Chinese patent with publication number CN1040317511A discloses an aromatic baby washing powder, the added bactericide which is processed by pure natural fermentation raw materials through modern biotechnology has the function of corrosion prevention and has the characteristics of safety and high efficiency; for example, chinese patent publication No. CN104694261A discloses an antibacterial washing powder, which has strong decontamination ability, and is added with antibacterial extract prepared from plant raw materials such as Chinese herbal medicines, so that the antibacterial washing powder is green and safe, has good antibacterial effect, ensures the cleanness and the asepsis of clothes after being used for washing the clothes, has no damage to fabrics, and has good stability. However, the washing powder on the market at present has the advantages of large dosage, insignificant antibacterial effect, high cost and whitening effect by adding a whitening agent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the aerobic bacteriostatic washing powder and the preparation method thereof, the aerobic bacteriostatic washing powder has the characteristics of bleaching and brightening, effective bacteriostasis, peculiar smell removal, strong decontamination, no whitening agent, safety and health, and the method has the advantages of simple operation, convenient preparation, energy conservation, environmental protection and low cost, and is suitable for industrial production.
The purpose of the invention is realized by the following technical scheme:
an aerobic bacteriostatic washing powder is prepared from the following raw materials in parts by weight:
further, the aerobic bacteriostatic washing powder is prepared from the following raw materials in parts by weight:
further, the particle size of the aerobic bacteriostatic washing powder is 1.25mm, and the apparent density is 0.48-0.5 g/cm3。
Further, the whiteness of the powder of the aerobic bacteriostatic washing powder is 90-100; the anion active matter content of the aerobic bacteriostatic washing powder is 17.5-19.5%.
Further, the total active matter content of the aerobic bacteriostatic washing powder is 19-21%, and the caking degree is 0-2 kg.
Furthermore, the water content of the aerobic bacteriostatic washing powder is 2-3%, and the pH value of 0.1% of an aerobic bacteriostatic washing powder solution at 25 ℃ is 10.1-10.8.
Furthermore, the free alkali of the aerobic bacteriostatic washing powder is less than or equal to 10.3 percent calculated by NaOH, and P is2O5The content is less than or equal to 0.8 percent.
Further, the high-activity protease is a Nanfeng 3# enzyme.
A preparation method of aerobic bacteriostatic washing powder comprises the following steps:
s1, material preparation: weighing the raw materials according to the formula proportion for later use;
s2, pulping: uniformly mixing sodium dodecyl benzene sulfonate, 4A zeolite, soda ash, SP-II, sodium silicate, anhydrous sodium sulphate and water to prepare slurry with the total solid content of 60-70%;
s3, drying: and (4) carrying out spray drying on the slurry obtained in the step (S2) by a high tower to prepare base powder, wherein the drying conditions are as follows: the temperature of hot air entering the tower is 450-550 ℃, the pressure of a high-pressure pump outlet is 9-10 Mpa, the temperature of the tower top is 85-95 ℃, and the wind pressure of the tower top is-55 to-65 pa;
s4, post-processing: and (4) adding AEO-9, essence, AOS, high-activity protease, peroxysulfate and an efficient composite sodium disilicate auxiliary agent into the base powder obtained in the step (S3), and uniformly mixing to obtain the aerobic bacteriostatic washing powder.
The aerobic bacteriostatic washing powder is suitable for washing cotton, hemp, chemical fiber, mixed fabrics and other fabrics, and is not suitable for washing real silk and wool clothes. The using method and the using amount are shown in the table 1:
table 1: the use method and the use amount of the washing powder
The invention has the following advantages:
1. the aerobic bacteriostatic washing powder obtained by the invention has the following characteristics:
the method comprises the following steps of bleaching and brightening: rich in active oxygen factors, can quickly decompose colored dirt and reduce the natural color of the fabric.
Effectively inhibiting bacteria: quickly remove and inhibit harmful bacteria, and the mite removing rate can reach 90 percent.
Removing peculiar smell: decompose and remove the peculiar smell caused by drying the fabric in the shade.
Fourthly, powerful decontamination: rapid dissolution, infiltration and more complete cleaning.
And the whitening agent is not used, and the method is safe and healthy.
2. The preparation method of the aerobic bacteriostatic washing powder is simple to operate, convenient to prepare, energy-saving, environment-friendly and low in cost, and is suitable for industrial production.
Detailed Description
The invention is further described below with reference to examples, but the scope of the invention is not limited to the following.
[ example 1 ]:
an aerobic bacteriostatic washing powder is prepared from the following raw materials in parts by weight:
further, the particle size of the aerobic bacteriostatic washing powder is 1.25mm, and the apparent density is 0.5g/cm3。
Further, the whiteness of the powder of the aerobic bacteriostatic washing powder is 90; the anion active matter content of the aerobic bacteriostatic washing powder is 19.5 percent.
Further, the total active matter content of the aerobic bacteriostatic washing powder is 19%, and the caking degree is 2 kg.
Further, the water content of the aerobic bacteriostatic washing powder is 2%, and the pH value of 0.1% of an aerobic bacteriostatic washing powder solution at 25 ℃ is 10.8.
Furthermore, the free alkali of the aerobic bacteriostatic washing powder is less than or equal to 10.3 percent calculated by NaOH, and P is2O5The content is less than or equal to 0.8 percent.
Further, the high-activity protease is a Nanfeng 3# enzyme.
A preparation method of aerobic bacteriostatic washing powder comprises the following steps:
s1, material preparation: weighing the raw materials according to the formula proportion for later use;
s2, pulping: uniformly mixing sodium dodecyl benzene sulfonate, 4A zeolite, soda ash, SP-II, sodium silicate, anhydrous sodium sulphate and water to prepare slurry with the total solid content of 60%;
s3, drying: and (4) carrying out spray drying on the slurry obtained in the step (S2) by a high tower to prepare base powder, wherein the drying conditions are as follows: the temperature of hot air entering the tower is 550 ℃, the pressure of a high-pressure pump outlet is 9Mpa, the temperature of the tower top is 95 ℃, and the wind pressure of the tower top is-55 pa;
s4, post-processing: and (4) adding AEO-9, essence, AOS, high-activity protease, peroxysulfate and an efficient composite sodium disilicate auxiliary agent into the base powder obtained in the step (S3), and uniformly mixing to obtain the aerobic bacteriostatic washing powder.
[ example 2 ]:
an aerobic bacteriostatic washing powder is prepared from the following raw materials in parts by weight:
further, the particle size of the aerobic bacteriostatic washing powder is 1.25mm, and the apparent density is 0.49g/cm3。
Further, the whiteness of the powder of the aerobic bacteriostatic washing powder is 95; the anion active matter content of the aerobic bacteriostatic washing powder is 18.5 percent.
Further, the total active matter content of the aerobic bacteriostatic washing powder is 20%, and the caking degree is 0 kg.
Furthermore, the water content of the aerobic bacteriostatic washing powder is 2.5%, and the pH value of 0.1% of an aerobic bacteriostatic washing powder solution at 25 ℃ is 10.4.
Furthermore, the free alkali of the aerobic bacteriostatic washing powder is less than or equal to 10.3 percent calculated by NaOH, and P is2O5The content is less than or equal to 0.8 percent.
Further, the high-activity protease is a Nanfeng 3# enzyme.
A preparation method of aerobic bacteriostatic washing powder comprises the following steps:
s1, material preparation: weighing the raw materials according to the formula proportion for later use;
s2, pulping: uniformly mixing sodium dodecyl benzene sulfonate, 4A zeolite, soda ash, SP-II, sodium silicate, anhydrous sodium sulphate and water to prepare slurry with the total solid content of 65%;
s3, drying: and (4) carrying out spray drying on the slurry obtained in the step (S2) by a high tower to prepare base powder, wherein the drying conditions are as follows: the temperature of hot air entering the tower is 450-550 ℃, the pressure of a high-pressure pump outlet is 9.5Mpa, the temperature of the tower top is 90 ℃, and the wind pressure of the tower top is-60 pa;
s4, post-processing: and (4) adding AEO-9, essence, AOS, high-activity protease, peroxysulfate and an efficient composite sodium disilicate auxiliary agent into the base powder obtained in the step (S3), and uniformly mixing to obtain the aerobic bacteriostatic washing powder.
[ example 3 ]:
an aerobic bacteriostatic washing powder is prepared from the following raw materials in parts by weight:
further, the particle size of the aerobic bacteriostatic washing powder is 1.25mm, and the apparent density is 0.49g/cm3。
Further, the whiteness of the powder of the aerobic bacteriostatic washing powder is 98; the anion active matter content of the aerobic bacteriostatic washing powder is 18.5 percent.
Further, the total active matter content of the aerobic bacteriostatic washing powder is 20%, and the caking degree is 1 kg.
Furthermore, the water content of the aerobic bacteriostatic washing powder is 2.5%, and the pH value of 0.1% of an aerobic bacteriostatic washing powder solution at 25 ℃ is 10.5.
Furthermore, the free alkali of the aerobic bacteriostatic washing powder is less than or equal to 10.3 percent calculated by NaOH, and P is2O5The content is less than or equal to 0.8 percent.
Further, the high-activity protease is a Nanfeng 3# enzyme.
A preparation method of aerobic bacteriostatic washing powder comprises the following steps:
s1, material preparation: weighing the raw materials according to the formula proportion for later use;
s2, pulping: uniformly mixing sodium dodecyl benzene sulfonate, 4A zeolite, soda ash, SP-II, sodium silicate, anhydrous sodium sulphate and water to prepare slurry with the total solid content of 66%;
s3, drying: and (4) carrying out spray drying on the slurry obtained in the step (S2) by a high tower to prepare base powder, wherein the drying conditions are as follows: the temperature of hot air entering the tower is 510 ℃, the pressure of a high-pressure pump outlet is 9.5Mpa, the temperature of the tower top is 92 ℃, and the pressure of the tower top is-62 pa;
s4, post-processing: and (4) adding AEO-9, essence, AOS, high-activity protease, peroxysulfate and an efficient composite sodium disilicate auxiliary agent into the base powder obtained in the step (S3), and uniformly mixing to obtain the aerobic bacteriostatic washing powder.
Example 4:
an aerobic bacteriostatic washing powder is prepared from the following raw materials in parts by weight:
further, the particle size of the aerobic bacteriostatic washing powder is 1.25mm, and the apparent density is 0.48g/cm3。
Further, the whiteness of the powder of the aerobic bacteriostatic washing powder is 100; the anion active matter content of the aerobic bacteriostatic washing powder is 17.5 percent.
Further, the total active matter content of the aerobic bacteriostatic washing powder is 21 percent, and the caking degree is 0.5 kg.
Further, the water content of the aerobic bacteriostatic washing powder is 3%, and the pH value of 0.1% of an aerobic bacteriostatic washing powder solution at 25 ℃ is 10.1.
Furthermore, the free alkali of the aerobic bacteriostatic washing powder is less than or equal to 10.3 percent calculated by NaOH, and P is2O5The content is less than or equal to 0.8 percent.
Further, the high-activity protease is a Nanfeng 3# enzyme.
A preparation method of aerobic bacteriostatic washing powder comprises the following steps:
s1, material preparation: weighing the raw materials according to the formula proportion for later use;
s2, pulping: uniformly mixing sodium dodecyl benzene sulfonate, 4A zeolite, soda ash, SP-II, sodium silicate, anhydrous sodium sulphate and water to prepare slurry with the total solid content of 70%;
s3, drying: and (4) carrying out spray drying on the slurry obtained in the step (S2) by a high tower to prepare base powder, wherein the drying conditions are as follows: the temperature of hot air entering the tower is 450-550 ℃, the pressure of a high-pressure pump outlet is 9Mpa, the temperature of the tower top is 85 ℃, and the air pressure of the tower top is-65 pa;
s4, post-processing: and (4) adding AEO-9, essence, AOS, high-activity protease, peroxysulfate and an efficient composite sodium disilicate auxiliary agent into the base powder obtained in the step (S3), and uniformly mixing to obtain the aerobic bacteriostatic washing powder.
The following experiments illustrate the beneficial effects of the present invention:
the test for detecting the bacteriostatic effect of the aerobic bacteriostatic washing powder on escherichia coli comprises the following steps:
the method comprises the following steps:
test strains: escherichia coli (8099) provided by China general microbiological culture Collection center (CGMCC) for 24h fresh slant culture of 5 th, 5 th and 5 th generation.
Name of bacteriostatic product: aerobic bacteriostatic washing powder, batch number: 20201114.
③ diluting liquid: 0.03mol/L Phosphate Buffer Solution (PBS)
The method comprises the following steps:
the inspection basis is as follows: disinfection technical Specification (Ministry of health 2002 edition) 2.1.11
Detecting conditions: ambient temperature 18 ℃ and relative humidity 42%.
③ bacteriostasis rate test: the 24h fresh slant culture of the test bacteria was washed with PBS to make 5X 103cfu/mL～5×1065mL of cfu/mL of the bacterial suspension were collected as a test sample and a control sample, and the samples were placed in a sterile test tube (4 tubes each). Adding 100 μm of the above suspension into each sample solution and control sample solutionAnd L, mixing, starting timing, taking action for 2min, 5 min, 10 min and 20min, respectively sucking 5mL of sample liquid, putting into a test tube containing 5mLPBS, fully mixing uniformly, appropriately diluting, then taking 2-3 dilutions, respectively sucking 5mL of the dilutions, inoculating into a nutrient agar culture medium by a pouring method, culturing at 37 ℃ for 48h, counting viable bacteria colonies, and repeating the test for three times.
The results are as follows:
the aerobic bacteriostatic washing powder 1:100 diluent acts on escherichia coli for 2min, the average bacteriostasis rate of three times is 100.00%, and the test results are shown in table 2.
Table 2: antibacterial effect of aerobic antibacterial washing powder 1:100 diluent on escherichia coli
Note: the average concentration of the test bacterial suspension was 2.60X 104cfu/ml(1.98×104cfu/ml～3.61×104cfu/ml)
Fourthly:
three repeated tests show that the aerobic bacteriostatic washing powder 1:100 diluent acts on escherichia coli for 2min, and the bacteriostatic rate of each test is more than 90%, which shows that the aerobic bacteriostatic washing powder has a strong bacteriostatic action on the escherichia coli.
1. The test for detecting the bacteriostatic effect of the aerobic bacteriostatic washing powder on staphylococcus aureus comprises the following steps:
the method comprises the following steps:
test strains: staphylococcus aureus (ATCC6538), provided by China general microbiological culture Collection center, was used as the fresh slant culture of 24h in 5 th, 5 th and 5 th generations.
Name of bacteriostatic product: aerobic bacteriostatic washing powder, batch number: 20141114.
③ diluting liquid: 0.03mol/L Phosphate Buffer Solution (PBS)
The method comprises the following steps:
the inspection basis is as follows: disinfection Specification (Ministry of health 2002) 2.1.11.
Detecting conditions: ambient temperature 18 ℃ and relative humidity 42%.
③ bacteriostasis rate test: the 24h fresh slant culture of the test bacteria was washed with PBS to make 5X 104cfu/mL～5×1055mL of cfu/mL of the bacterial suspension were collected as a test sample and a control sample, and the samples were placed in a sterile test tube (4 tubes each). 100. mu.L of the above bacterial suspension was added dropwise to each of the test sample solution and the control sample solution, and mixed. Timing, after 2min, 5 min, 10 min and 20min, respectively sucking 0.5mL of sample liquid, putting into a test tube containing 5mLPBS, fully mixing, properly diluting, then taking 2-3 dilutions, respectively sucking 0.5mL, inoculating into nutrient agar culture medium by pouring method, culturing at 37 ℃ for 48h, counting as viable bacteria liquid, and repeating the test three times.
The results are as follows:
the aerobic bacteriostatic washing powder 1:100 diluent acts on staphylococcus aureus for 2min, the average bacteriostatic rate of three times is 100.00%, and the test results are shown in table 3.
Table 3: antibacterial effect of aerobic antibacterial washing powder 1:100 diluent on staphylococcus aureus
Note: the average concentration of the test bacterial suspension was 2.93X 104cfu/ml(1.27×104cfu/ml～4.38×104cfu/ml)
Fourthly: three repeated tests show that the aerobic bacteriostatic washing powder 1:100 diluent has an effect on staphylococcus aureus for 2min, and the bacteriostatic rate of each test is more than 90%, which shows that the aerobic bacteriostatic washing powder has a strong bacteriostatic effect on staphylococcus aureus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An aerobic bacteriostatic washing powder, which is characterized in that: the feed is prepared from the following raw materials in parts by weight:
sodium dodecylbenzenesulfonate: 12-16 parts; AOS: 3-5 parts;
4A Zeolite: 16-20 parts of a solvent; soda ash: 16-20 parts of a solvent;
SP-II: 0.6-1.0 part; sodium silicate: 9-11 parts;
anhydrous sodium sulphate: 13-17 parts; water: 1-3 parts;
high activity protease: 0.1-0.5 part; essence: 0.1-0.3 part;
AEO-9: 1-3 parts; high-efficiency composite sodium disilicate auxiliary agent: 0.3-0.7 part;
peroxysulfate salt: 13-17 parts.
2. The aerobic bacteriostatic washing powder according to claim 1, which is characterized in that: the feed is prepared from the following raw materials in parts by weight:
sodium dodecylbenzenesulfonate: 14 parts of (1); AOS: 4 parts of a mixture;
4A Zeolite: 18 parts of a mixture; soda ash: 18 parts of a mixture;
SP-II: 0.8 part; sodium silicate: 9.8 parts;
anhydrous sodium sulphate: 15.4 parts; water: 2 parts of (1);
nafine3# enzyme: 0.3 part; essence: 0.2 part;
AEO-9: 2 parts of (1); high-efficiency composite sodium disilicate auxiliary agent: 0.5 part;
peroxysulfate salt: 15 parts.
3. The aerobic bacteriostatic washing powder according to claim 1 or 2, which is characterized in that: the particle size of the aerobic bacteriostatic washing powder is 1.25mm, and the apparent density is 0.48-0.5 g/cm3。
4. The aerobic bacteriostatic washing powder according to claim 1 or 2, which is characterized in that: the whiteness of the powder of the aerobic bacteriostatic washing powder is 90-100; the anion active matter content of the aerobic bacteriostatic washing powder is 17.5-19.5%.
5. The aerobic bacteriostatic washing powder according to claim 1 or 2, which is characterized in that: the total active matter content of the aerobic bacteriostatic washing powder is 19-21%, and the caking degree is 0-2 kg.
6. The aerobic bacteriostatic washing powder according to claim 1 or 2, which is characterized in that: the water content of the aerobic bacteriostatic washing powder is 2-3%, and the pH value of 0.1% of an aerobic bacteriostatic washing powder solution at 25 ℃ is 10.1-10.8.
7. The aerobic bacteriostatic washing powder according to claim 1 or 2, which is characterized in that: the free alkali of the aerobic bacteriostatic washing powder is less than or equal to 10.3 percent calculated by NaOH, and P is2O5The content is less than or equal to 0.8 percent.
8. The aerobic bacteriostatic washing powder according to claim 1 or 2, which is characterized in that: the high-activity protease is Nanfeng 3# enzyme.
9. The method for preparing the aerobic bacteriostatic washing powder according to any one of claims 1 to 8, which is characterized by comprising the following steps: it comprises the following steps:
s1, material preparation: weighing the raw materials according to the formula proportion for later use;
s2, pulping: uniformly mixing sodium dodecyl benzene sulfonate, 4A zeolite, soda ash, SP-II, sodium silicate, anhydrous sodium sulphate and water to prepare slurry with the total solid content of 60-70%;
s3, drying: and (4) carrying out spray drying on the slurry obtained in the step (S2) by a high tower to prepare base powder, wherein the drying conditions are as follows: the temperature of hot air entering the tower is 450-550 ℃, the pressure of a high-pressure pump outlet is 9-10 Mpa, the temperature of the tower top is 85-95 ℃, and the wind pressure of the tower top is-55 to-65 pa;
s4, post-processing: and (4) adding AEO-9, essence, AOS, high-activity protease, peroxysulfate and an efficient composite sodium disilicate auxiliary agent into the base powder obtained in the step (S3), and uniformly mixing to obtain the aerobic bacteriostatic washing powder.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115145236A (en) * | 2022-08-31 | 2022-10-04 | 南京狮尚生物科技有限公司 | Intelligent production control system and method for decontamination aerobic foam washing powder composition |
| WO2023025748A1 (en) | 2021-08-27 | 2023-03-02 | Unilever Ip Holdings B.V. | Use of a detergent composition |
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