A kind of composite intermediate-effect disinfectant and its preparation process
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A disinfectant and disinfectant technology, applied in the direction of disinfectant, active ingredients of heterocyclic compounds, medical preparations of non-active ingredients, etc., to achieve good disinfection performance, less secondary pollution, and less environmental impact
Active Publication Date: 2021-11-30
安徽理工大学环境友好材料与职业健康研究院(芜湖) +1
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[0005] The present invention can prevent excessive use of disinfectants, and carry out targeted research and development on the shortcomings of the above several disinfectants. It not only has a better disinfection effect, but also avoids secondary pollution and residual problems as much as possible starting from the formula.
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Embodiment 1
[0049] A preparation method of a disinfectant with compound intermediate-effect disinfection function, comprising the following steps:
[0050] (1) Put deionized water in a stirring tank, add surfactant, and stir at a speed of 120r / min for 10-15min until uniform;
[0051] (2) Then add compound disinfectant and stir for about 8 minutes at a speed of 60r / min;
[0052] (3) Add a stabilizer, then stir for about 12 minutes at a speed of 120r / min;
[0053] (4) Add ZnO and TiO 2 The sol was mixed again, and stirred at a speed of 60r / min for 18 minutes to obtain a disinfectant with a medium-efficiency disinfection function.
[0054] The preparation method of disinfectant solution among the embodiment 2~6 is the same as embodiment, only has difference with embodiment 1 on the selection of raw material. Concrete raw material ratio is as follows:
[0055] Proportioning (g) of each raw material among table 1 embodiment 1~6
[0056]
[0057]
Embodiment 7
[0078] According to the method in the "Disinfection Technical Specification" (2002 edition) 2.1.1.7.5 carrier immersion sterilization test, the prepared disinfection powder is carried out carrier immersion quantitative sterilization test, and the killing rate (%) results are as follows:
[0079] The disinfection solution in each embodiment of table 2 is for the killing rate (%) of Escherichia coli and Staphylococcus aureus
[0080]
[0081] Table 3 The killing rate (%) of the disinfectant solution in each comparative example for Escherichia coli and Staphylococcus aureus
[0082] test microorganism Comparative example 1 Comparative example 2 Comparative example 3 Comparative example 4 Comparative example 5 Escherichia coli 96.541 92.223 75.454 45.314 56.153 Staphylococcus aureus 92.245 93.453 73.121 48.322 57.746
[0083] It can be seen from Table 2 that the killing rate of the disinfectant in the embodiment can reach 99.999% for E...
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Abstract
The invention belongs to the technical field of disinfection, and in particular relates to a disinfectant with compound intermediate-effect disinfection functions. The disinfectant solution with composite medium-efficiency disinfection function provided by the present invention is prepared by using disinfectant, nanometer antibacterial material, stabilizer and surfactant as main raw materials in a water system. The pH value of the disinfectant solution of the present invention is 7-8.5, and the surfactant of the present invention is 0.5-1.7, the disinfectant is 2-12, the stabilizer is 3-10, the nano antibacterial material is 4-10, and the deionized water is 80-100. The formula and preparation process adopted in the present invention improve the stability of sodium hypochlorite and nano sol in water-based disinfectant. Through the effect of surfactant and stabilizer, the use effect of disinfectant can be greatly improved. When used, the secondary pollution is small, and it will not cause flammability and explosion problems caused by volatilization in the air like alcohol disinfectants. It can be used as a spray, lotion, etc., and has a good disinfection effect.
Description
technical field [0001] The invention belongs to the technical field of disinfection, and in particular relates to a disinfectant with compound intermediate-effect disinfection functions. Background technique [0002] Disinfectant is a chemical used for disinfection and sterilization in daily life. Especially in the case of epidemic situation, disinfectant will be used in large quantities, which is of great significance to human health. The current disinfectants are mainly divided into three categories: high-efficiency, medium-efficiency and low-efficiency. Among them, the high-efficiency disinfectant has strong oxidative properties and strong chemical toxicity to organisms. It is often used to disinfect some equipment or places. After disinfection, there will generally be residues, which have certain pollution, and usually need to be cleaned and ventilated. means to process. Strong oxidizing disinfectants such as chlorine dioxide can not only disinfect, but also oxidize me...
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