CN113367126A - Low-temperature sodium hypochlorite disinfectant and preparation method thereof - Google Patents
Low-temperature sodium hypochlorite disinfectant and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a low-temperature sodium hypochlorite disinfectant and a preparation method thereof, belonging to the technical field of disinfection. The sodium hypochlorite disinfectant comprises the following components in percentage by weight: 3-5% of sodium hypochlorite, 0.1-1% of synergist, 20-50% of antifreezing agent, 0.1-1% of stabilizer, 0.1-1% of corrosion inhibitor, 0.1-1% of surfactant and the balance of water. This application drops into antifreeze, sodium hypochlorite, stabilizer, synergist, surfactant active and corrosion inhibitor in proper order to aquatic, and the stirring can obtain the sodium hypochlorite antiseptic solution. The sodium hypochlorite disinfectant does not freeze under the condition of-23 ℃, can achieve the disinfection effect in a short time, has good stability, low corrosivity and convenient operation, does not need to be cleaned after acting on the surface of an object, and has the advantages of safety, environmental protection, high efficiency, no toxicity, no odor and the like.
Description
Technical Field
The invention relates to the technical field of disinfection, in particular to a low-temperature sodium hypochlorite disinfectant and a preparation method thereof.
Background
2019 the new coronavirus (SARS-CoV-2) is a virus containing lipid membrane, and belongs to the same lipophilic virus as hepatitis B virus, influenza virus, etc. Symptoms of the virus infection are fever, hypodynamia, dry cough and gradual dyspnea, and severe patients show acute respiratory distress syndrome, septic shock, metabolic acidosis and blood coagulation dysfunction which are difficult to correct.
Many viruses can be stored in a refrigerated environment at-4 ℃ for one month, under freezing conditions for years, and can stably survive under ultra-low temperature and freeze-drying conditions. In the process, although the virus cannot be replicated, the biological structure of the virus can be guaranteed not to be damaged, and once the temperature is restored to normal temperature, the virus still can be spread.
Based on previous knowledge of coronaviruses, all classical disinfection methods are able to kill coronaviruses. However, the disinfection effect of most disinfection solutions is directly related to the temperature, generally speaking, under the condition of low temperature, the disinfection effect of the normal temperature disinfection solution is obviously weakened, and when the temperature is lower than 16 ℃, the common disinfection solution loses the effect on most pathogens, even cannot play the disinfection effect at all, and completely fails. The frozen food is stored and sold under the condition of less than or equal to minus 18 ℃, when the outer surface of the package of the frozen food is sterilized by normal-temperature sterilizing liquid, the frozen food can be frozen and frozen quickly, the sterilizing effect is lost, the sterilizing requirement can not be met, and the frozen food is easy to remain, thereby polluting the outer package and even the food.
The sodium hypochlorite disinfectant has the characteristics of high efficiency, high speed, broad spectrum, no toxicity, no harm, no residue pollution and the like, can be quickly decomposed after disinfection, and has no harm to the environment, so the sodium hypochlorite disinfectant is highly accepted by people and is one of the most widely used disinfectants in the market. However, the sodium hypochlorite disinfectant can only be effective at normal temperature, and the effect can not be achieved at low temperature, so that the use of the sodium hypochlorite disinfectant is greatly limited. Therefore, it is necessary to provide a sodium hypochlorite disinfectant which can perform a disinfecting function at a low temperature.
Disclosure of Invention
The invention provides a low-temperature sodium hypochlorite disinfectant and a preparation method thereof, aiming at solving the problem that the existing sodium hypochlorite disinfectant cannot meet the disinfection requirement under the low-temperature condition.
In a first aspect, the low-temperature sodium hypochlorite disinfectant solution adopts the following technical scheme.
A low-temperature sodium hypochlorite disinfectant comprises the following components in percentage by weight:
3-5% of sodium hypochlorite;
0.1 to 1 percent of synergist;
20-50% of an antifreezing agent;
0.1 to 1 percent of stabilizer;
0.1 to 1 percent of corrosion inhibitor;
0.1 to 1 percent of surfactant;
the balance being water.
By adopting the technical scheme, the disinfectant contains 6 components of sodium hypochlorite, a synergist, an antifreezing agent, a stabilizer, a corrosion inhibitor and a surfactant. Wherein, hypochlorous acid in the sodium hypochlorite is an active ingredient and mainly plays a role in disinfection; the synergist has a synergistic effect, and can increase the contact area between hypochlorite and the surfaces of harmful microorganisms and the permeability of cell walls and cell membranes of the harmful microorganisms, so that the resistance of the hypochlorite entering the harmful microorganisms is reduced, and the sterilization effect of the hypochlorite is improved; the antifreezing agent is added to play a main antifreezing role, so that the disinfectant can still achieve the disinfection effect and can not freeze at the temperature of-23 ℃; the stabilizer is added to play a stabilizing role, so that the disinfectant can be stored at normal temperature for more than 12 months, and the problem of unqualified disinfection effect caused by gradual reduction of hypochlorous acid in the use process is effectively solved; the corrosion inhibitor can effectively prevent corrosive media from entering the metal surface, has a corrosion inhibition effect, and greatly improves the limit of hypochlorous acid caused by corrosivity; the addition of the surfactant can significantly reduce the surface tension of the target solution. Therefore, the disinfectant of the present application can maintain a good sterilization effect at low temperature under the action of the above 6 components, and has stable components and long storage time.
Optionally, the synergist is one or two of amine oxide, organic phosphonic acid, organic phosphonate and alkali metal halide.
Optionally, the amine oxide is monoalkyl dimethyl amine oxide, dialkyl methyl amine oxide or alkyl amidopropyl amine oxide; the organic phosphonic acid is ATMP, EDTMP or HEDP; the organic phosphonate is sodium salt or potassium salt of ATMP, EDTMP or HEDP; the alkali metal halide is sodium bromide, potassium bromide, sodium iodide or potassium iodide.
By adopting the technical scheme, the amine oxide, the organic phosphonic acid or the alkali metal halide selected by the application is used as the synergist, so that the bactericidal effect of hypochlorite can be remarkably enhanced.
Optionally, the antifreeze agent is one or more of inorganic salt, low-carbon alcohol and polyhydric alcohol.
Optionally, the inorganic salt is sodium chloride, calcium chloride or magnesium chloride; the lower alcohol is methanol, ethanol, butanol or pentanol; the polyalcohol is ethylene glycol, propylene glycol or glycerol.
By adopting the technical scheme, the inorganic salt, the low-carbon alcohol or the polyol is selected as the antifreezing agent, so that the antifreezing effect of the disinfectant can be obviously improved, and the disinfectant can not be frozen at the temperature of-23 ℃.
Optionally, the stabilizer is one or more of water-soluble phosphate, water-soluble silicate, water-soluble carbonate, alcohol amine compounds, alkyl sulfonate, alkyl benzene sulfonate and inorganic alkali.
Optionally, the water-soluble phosphate is chlorinated trisodium phosphate, sodium dihydrogen phosphate, sodium tripolyphosphate or sodium phosphate; the water-soluble silicate is sodium silicate; the water-soluble carbonate is Na2CO3(ii) a The alcohol amine compound is monoethanolamine, diethanolamine or triethanolamine; the alkyl sulfonate is sodium alkyl sulfonate; the alkylbenzene sulfonate is sodium alkylbenzene sulfonate; the inorganic alkali is potassium hydroxide or sodium hydroxide.
By adopting the technical scheme, the water-soluble phosphate, the water-soluble silicate, the water-soluble carbonate, the alcohol amine compound, the alkyl sulfonate, the alkyl benzene sulfonate or the inorganic base is selected as the stabilizer, so that the stability of the sodium hypochlorite in the solution can be effectively improved, and the service life of the disinfectant is prolonged.
Optionally, the corrosion inhibitor is selected from one or more of nitrite, silicate, molybdate, tungstate, polyphosphate, zinc salt, phosphonate, phosphonocarboxylic acid, mercaptobenzothiazole, benzotriazole, water-soluble grease and polyvinylpyrrolidone.
Through adopting above-mentioned technical scheme, this application chooses for use above composition as the corrosion inhibitor, can effectively reduce sodium hypochlorite's corrosivity to reduce the degree of corrosion on the object surface by the disinfectant, enlarged sodium hypochlorite disinfectant's application range simultaneously.
Optionally, the surfactant is one or more of sodium dodecyl benzene sulfonate, dodecyl dimethyl amine oxide and cocamidopropyl betaine.
By adopting the technical scheme, the components are selected as the surfactant, so that the surfactant has a good surface activity effect.
In a second aspect, the application provides a preparation method of a low-temperature sodium hypochlorite disinfectant, which adopts the following technical scheme.
The preparation method of the low-temperature sodium hypochlorite disinfectant comprises the following steps:
s1, weighing specified amounts of sodium hypochlorite, an antifreezing agent, a stabilizer, a synergist, a surfactant, a corrosion inhibitor and water;
s2, mixing water and an antifreezing agent, and stirring at 30-50rpm/min for 8-10 min;
s3, adding sodium hypochlorite into the solution obtained in the step S2, and stirring at 30-50rpm/min for 8-10 min;
s4, adding a stabilizer into the mixed solution obtained in the step S3, and stirring at 30-50rpm/min for 8-10 min;
s5, adding the synergist into the mixed solution obtained in the step S4, and stirring at 30-50rpm/min for 8-10 min;
s6, adding a surfactant into the mixed solution obtained in the step S5, and stirring at 30-50rpm/min for 8-10 min;
s7, adding the corrosion inhibitor into the mixed liquid obtained in the step S6, and stirring at 30-50rpm/min for 8-10min to obtain the corrosion inhibitor.
By adopting the technical scheme, the production process of the sodium hypochlorite disinfectant is simple, safe to operate and suitable for large-scale industrial production.
The present invention obtains the following advantageous effects.
1. The sodium hypochlorite disinfectant can be in a colorless transparent liquid state at the temperature of-23 ℃, and the situations of precipitation and crystallization do not exist, so that a foundation is laid for the low-temperature sterilization effect of the sodium hypochlorite disinfectant;
2. the sodium hypochlorite disinfectant can still keep excellent sterilization effect at the temperature of-23 ℃, can effectively kill intestinal pathogenic bacteria and pyococcus, and can completely kill the pathogenic bacteria and the pyococcus within 2-3 min;
3. the sodium hypochlorite disinfectant has good stability, can be stored for more than 12 months at normal temperature, and has long use validity period;
4. the sodium hypochlorite disinfectant has low corrosivity, can kill harmful microorganisms on the surfaces of objects made of different materials, and has a wide application range;
5. the preparation method of the sodium hypochlorite disinfectant is simple, and the prepared sodium hypochlorite disinfectant is convenient to use and can be directly used without dilution.
Detailed Description
The present invention will be further described with reference to examples.
Example 1
A preparation method of a low-temperature sodium hypochlorite disinfectant comprises the following steps:
s1, weighing 30g of sodium hypochlorite, 500g of sodium chloride, 1g of sodium phosphate, 10g of sodium bromide, 1g of sodium dodecyl sulfate, 10g of sodium nitrite and 448g of water;
s2, mixing water and sodium chloride, and stirring at 30rpm/min for 10 min;
s3, adding sodium hypochlorite into the solution obtained in the step S2, and stirring at 30rpm/min for 10 min;
s4, adding sodium phosphate into the mixed solution obtained in the step S3, and stirring at 30rpm/min for 10 min;
s5, adding sodium bromide into the mixed liquid obtained in the step S4, and stirring at 30rpm/min for 10 min;
s6, adding sodium dodecyl sulfate into the mixed solution obtained in the step S5, and stirring at 30rpm/min for 10 min;
s7, adding sodium nitrite into the mixed solution obtained in the step S6, and stirring at 30rpm/min for 10min to obtain the sodium nitrite-containing aqueous solution.
Example 2
A preparation method of a low-temperature sodium hypochlorite disinfectant comprises the following steps:
s1, weighing 50g of sodium hypochlorite, 200g of sodium chloride, 10g of sodium phosphate, 1g of sodium bromide, 10g of sodium dodecyl sulfate, 1g of sodium nitrite and 728g of water;
s2, mixing water and sodium chloride, and stirring at 30rpm/min for 10 min;
s3, adding sodium hypochlorite into the solution obtained in the step S2, and stirring at 30rpm/min for 10 min;
s4, adding sodium phosphate into the mixed solution obtained in the step S3, and stirring at 30rpm/min for 10 min;
s5, adding sodium bromide into the mixed liquid obtained in the step S4, and stirring at 30rpm/min for 10 min;
s6, adding sodium dodecyl sulfate into the mixed solution obtained in the step S5, and stirring at 30rpm/min for 10 min;
s7, adding sodium nitrite into the mixed solution obtained in the step S6, and stirring at 30rpm/min for 10min to obtain the sodium nitrite-containing aqueous solution.
Example 3
A preparation method of a low-temperature sodium hypochlorite disinfectant comprises the following steps:
s1, weighing 30g of sodium hypochlorite, 200g of sodium chloride, 1g of sodium phosphate, 1g of sodium bromide, 1g of sodium dodecyl sulfate, 1g of sodium nitrite and 766g of water;
s2, mixing water and sodium chloride, and stirring at 30rpm/min for 10 min;
s3, adding sodium hypochlorite into the solution obtained in the step S2, and stirring at 30rpm/min for 10 min;
s4, adding sodium phosphate into the mixed solution obtained in the step S3, and stirring at 30rpm/min for 10 min;
s5, adding sodium bromide into the mixed liquid obtained in the step S4, and stirring at 30rpm/min for 10 min;
s6, adding sodium dodecyl sulfate into the mixed solution obtained in the step S5, and stirring at 30rpm/min for 10 min;
s7, adding sodium nitrite into the mixed solution obtained in the step S6, and stirring at 30rpm/min for 10min to obtain the sodium nitrite-containing aqueous solution.
Example 4
A preparation method of a low-temperature sodium hypochlorite disinfectant comprises the following steps:
s1, weighing 30g of sodium hypochlorite, 260g of sodium chloride, 1g of sodium phosphate, 1g of sodium bromide, 1g of sodium dodecyl sulfate, 1g of sodium nitrite and 706g of water;
s2, mixing water and sodium chloride, and stirring at 30rpm/min for 10 min;
s3, adding sodium hypochlorite into the solution obtained in the step S2, and stirring at 30rpm/min for 10 min;
s4, adding sodium phosphate into the mixed solution obtained in the step S3, and stirring at 30rpm/min for 10 min;
s5, adding sodium bromide into the mixed liquid obtained in the step S4, and stirring at 30rpm/min for 10 min;
s6, adding sodium dodecyl sulfate into the mixed solution obtained in the step S5, and stirring at 30rpm/min for 10 min;
s7, adding sodium nitrite into the mixed solution obtained in the step S6, and stirring at 30rpm/min for 10min to obtain the sodium nitrite-containing aqueous solution.
Example 5
A preparation method of a low-temperature sodium hypochlorite disinfectant comprises the following steps:
s1, weighing 50g of sodium hypochlorite, 260g of sodium chloride, 1g of sodium phosphate, 1g of sodium bromide, 1g of sodium dodecyl sulfate, 1g of sodium nitrite and 686g of water;
s2, mixing water and sodium chloride, and stirring at 30rpm/min for 10 min;
s3, adding sodium hypochlorite into the solution obtained in the step S2, and stirring at 30rpm/min for 10 min;
s4, adding sodium phosphate into the mixed solution obtained in the step S3, and stirring at 30rpm/min for 10 min;
s5, adding sodium bromide into the mixed liquid obtained in the step S4, and stirring at 30rpm/min for 10 min;
s6, adding sodium dodecyl sulfate into the mixed solution obtained in the step S5, and stirring at 30rpm/min for 10 min;
s7, adding sodium nitrite into the mixed solution obtained in the step S6, and stirring at 30rpm/min for 10min to obtain the sodium nitrite-containing aqueous solution.
Comparative example 1
Commercially available sodium hypochlorite disinfectant (84 disinfectant).
Performance detection
1. Detection of anti-freezing effect
The disinfectant solutions of examples 1 to 5 and comparative example 1 of the present application were tested for their antifreeze effect according to the low-temperature test described in the notice of the technical requirements for evaluation of sanitary safety of low-temperature disinfectants issued by the national institutes of health and wellness.
5ml of each of the disinfecting liquids of examples 1 to 5 and comparative example 1 was left at a low temperature of-23 ℃ overnight (>8 hours), and the shape thereof was observed and recorded. The low-temperature disinfectant is judged to be qualified if the low-temperature disinfectant is kept in a liquid state and has no precipitation or crystallization. The results of the experiment are shown in Table 1.
TABLE 1
| Observe for 8h | Observe for 10h | Observe for 12h | Observation for 14h | Observe for 16h | Observe for 18h | |
| Example 1 | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
| Example 2 | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
| Example 3 | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
| Example 4 | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
| Example 5 | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
| Comparative example 1 | Fail to be qualified | Fail to be qualified | Fail to be qualified | Fail to be qualified | Fail to be qualified | Fail to be qualified |
As can be seen from Table 1, the disinfectant solutions of examples 1-5 of the present application still maintain a liquid state, have no precipitation and no crystallization after being frozen at-23 ℃ for 18h, while the commercially available disinfectant solutions are frozen and frozen after being frozen at-23 ℃ for 8h, lose the disinfection effect and do not meet the disinfection requirements.
2. Sterilization effect detection
The log kill values (vehicle method) of the disinfecting solutions of example 3 and comparative example 1 were tested at different temperatures according to the "Disinfection Specification". The results are shown in tables 2-5.
TABLE 2
TABLE 3
TABLE 4
TABLE 5
From tables 2 to 5, it can be seen that under the condition of normal temperature of 20 ℃, the sterilizing effects of the two disinfectants can meet the requirements, but the sterilizing effect of the commercially available disinfectants is obviously reduced along with the reduction of the temperature, while the sterilizing effect of the disinfectant of the embodiment 3 of the application is slightly reduced, so that the sterilizing requirements can be completely met.
3. Stability test
The disinfectant solutions of example 3 and comparative example 1 were allowed to stand at 37 ℃ for 14 days, and the sodium hypochlorite content in the disinfectant solutions before and after the standing was measured. The test results are shown in Table 6.
TABLE 6
| Content before preservation (%) | Content after storage (%) | Rate of decrease (%) | |
| Example 3 | 4.66 | 3.98 | 14.6 |
| Comparative example 1 | 4.87 | 2.91 | 40.2 |
As can be seen from Table 6, the disinfectant of example 3 of the present application, when left at 37 ℃ for 14 days, showed a low sodium hypochlorite content decrease rate and had a validity period of more than 12 months.
The embodiments of the present invention are the preferred embodiments of the present invention, and the scope of the present invention is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered within the protection scope of the invention.
Claims (10)
1. A low-temperature sodium hypochlorite disinfectant is characterized in that: comprises the following components in percentage by weight:
3-5% of sodium hypochlorite;
0.1 to 1 percent of synergist;
20-50% of an antifreezing agent;
0.1 to 1 percent of stabilizer;
0.1 to 1 percent of corrosion inhibitor;
0.1 to 1 percent of surfactant;
the balance being water.
2. The low-temperature sodium hypochlorite disinfectant as set forth in claim 1, wherein: the synergist is one or two of amine oxide, organic phosphonic acid, organic phosphonate and alkali metal halide.
3. The low-temperature sodium hypochlorite disinfectant as set forth in claim 2, wherein: the amine oxide is monoalkyl dimethyl amine oxide, dialkyl methyl amine oxide or alkyl amidopropyl amine oxide; the organic phosphonic acid is ATMP, EDTMP or HEDP; the organic phosphonate is sodium salt or potassium salt of ATMP, EDTMP or HEDP; the alkali metal halide is sodium bromide, potassium bromide, sodium iodide or potassium iodide.
4. The low-temperature sodium hypochlorite disinfectant as set forth in claim 1, wherein: the antifreezing agent is one or more of inorganic salt, low-carbon alcohol and polyhydric alcohol.
5. The low-temperature sodium hypochlorite disinfectant as set forth in claim 4, wherein: the inorganic salt is sodium chloride, calcium chloride or magnesium chloride; the lower alcohol is methanol, ethanol, butanol or pentanol; the polyalcohol is ethylene glycol, propylene glycol or glycerol.
6. The low-temperature sodium hypochlorite disinfectant as set forth in claim 1, wherein: the stabilizer is one or more of water-soluble phosphate, water-soluble silicate, water-soluble carbonate, alcohol amine compounds, alkyl sulfonate, alkylbenzene sulfonate and inorganic alkali.
7. The low-temperature sodium hypochlorite disinfectant as set forth in claim 6, wherein: the water-soluble phosphate is chlorinated trisodium phosphate, sodium dihydrogen phosphate, sodium tripolyphosphate or sodium phosphate; the water-soluble silicate is sodium silicate; the water-soluble carbonate is Na2CO3(ii) a The alcohol amine compound is monoethanolamine, diethanolamine or triethanolamine; the alkyl sulfonate is sodium alkyl sulfonate; the alkylbenzene sulfonate is sodium alkylbenzene sulfonate; the inorganic alkali is potassium hydroxide or sodium hydroxide.
8. The low-temperature sodium hypochlorite disinfectant as set forth in claim 1, wherein: the corrosion inhibitor is one or more of nitrite, silicate, molybdate, tungstate, polyphosphate, zinc salt, phosphonate, phosphonic acid, mercaptobenzothiazole, benzotriazole, water-soluble grease and polyvinylpyrrolidone.
9. The low-temperature sodium hypochlorite disinfectant as set forth in claim 1, wherein: the surfactant is one or more of sodium dodecyl benzene sulfonate, dodecyl dimethyl amine oxide and cocamidopropyl betaine.
10. A method for preparing a low-temperature sodium hypochlorite disinfectant as claimed in any one of claims 1 to 9, which comprises the following steps: the method comprises the following steps:
s1, weighing specified amounts of sodium hypochlorite, an antifreezing agent, a stabilizer, a synergist, a surfactant, a corrosion inhibitor and water;
s2, mixing water and an antifreezing agent, and stirring at 30-50rpm/min for 8-10 min;
s3, adding sodium hypochlorite into the solution obtained in the step S2, and stirring at 30-50rpm/min for 8-10 min;
s4, adding a stabilizer into the mixed solution obtained in the step S3, and stirring at 30-50rpm/min for 8-10 min;
s5, adding the synergist into the mixed solution obtained in the step S4, and stirring at 30-50rpm/min for 8-10 min;
s6, adding a surfactant into the mixed solution obtained in the step S5, and stirring at 30-50rpm/min for 8-10 min;
s7, adding the corrosion inhibitor into the mixed liquid obtained in the step S6, and stirring at 30-50rpm/min for 8-10min to obtain the corrosion inhibitor.
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| CN114631542A (en) * | 2021-11-19 | 2022-06-17 | 唐山市紫淳科技有限公司 | Low-temperature disinfection product and preparation method thereof |
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| CN115067356A (en) * | 2022-07-06 | 2022-09-20 | 广东温氏大华农生物科技有限公司 | Anti-freezing disinfection composition and preparation method thereof |
| CN115226713A (en) * | 2022-07-20 | 2022-10-25 | 东莞仁雪生物科技有限公司 | Hypochlorous acid disinfectant and preparation method thereof |
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| CN115669681A (en) * | 2022-10-28 | 2023-02-03 | 西安热工研究院有限公司 | Stable corrosion-resistant sodium hypochlorite disinfectant and preparation method thereof |
| CN116250544A (en) * | 2023-02-06 | 2023-06-13 | 中国疾病预防控制中心病毒病预防控制所 | Low-temperature disinfectant and preparation method and application thereof |
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| CN114916559A (en) * | 2021-07-30 | 2022-08-19 | 江苏豪凡医疗科技有限公司 | Low-temperature cold-chain disinfectant and preparation method thereof |
| CN114916559B (en) * | 2021-07-30 | 2024-05-07 | 江苏豪凡医疗科技有限公司 | Low-temperature Leng Lian disinfectant and preparation method thereof |
| CN114631542A (en) * | 2021-11-19 | 2022-06-17 | 唐山市紫淳科技有限公司 | Low-temperature disinfection product and preparation method thereof |
| CN114946842A (en) * | 2022-07-01 | 2022-08-30 | 深圳雾曼科技有限公司 | Water-based chlorine-containing disinfectant compound atomization method applied to disinfection of three-dimensional space |
| CN114946842B (en) * | 2022-07-01 | 2024-03-26 | 深圳雾曼科技有限公司 | Water-based chlorine-containing disinfectant compound atomization method applied to three-dimensional space disinfection |
| CN115067356A (en) * | 2022-07-06 | 2022-09-20 | 广东温氏大华农生物科技有限公司 | Anti-freezing disinfection composition and preparation method thereof |
| CN115067356B (en) * | 2022-07-06 | 2023-08-22 | 广东温氏大华农生物科技有限公司 | Anti-freezing and disinfecting composition and preparation method thereof |
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| CN115669681A (en) * | 2022-10-28 | 2023-02-03 | 西安热工研究院有限公司 | Stable corrosion-resistant sodium hypochlorite disinfectant and preparation method thereof |
| CN115624033A (en) * | 2022-11-07 | 2023-01-20 | 传化集团有限公司日用品分公司 | Stable high-available-chlorine-content disinfection gel and preparation method thereof |
| CN116250544A (en) * | 2023-02-06 | 2023-06-13 | 中国疾病预防控制中心病毒病预防控制所 | Low-temperature disinfectant and preparation method and application thereof |
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Application publication date: 20210910 |