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Spreading oil hygienic insecticide for killing propagation medium mosquitoes of mosquito-borne infectious diseases like dengue fever and preparation method thereof

A film-spreading oil agent and transmission medium technology, applied in the field of hygiene, can solve problems such as poor larvae effect, achieve the effects of reducing mosquito density, rapid knockdown rate, and improving work efficiency

Active Publication Date: 2021-03-30
中国疾病预防控制中心寄生虫病预防控制所国家热带病研究中心 +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of hygienic insecticide and preparation method thereof for killing mosquito-borne infectious diseases such as dengue fever and other mosquito-borne diseases. The film spreading oil hygienic insecticide and its preparation method for mosquitoes, the medium of transmission, should solve the technical problem that the drugs in the prior art are not effective in preventing and controlling mosquitoes and larvae at various stages

Method used

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  • Spreading oil hygienic insecticide for killing propagation medium mosquitoes of mosquito-borne infectious diseases like dengue fever and preparation method thereof
  • Spreading oil hygienic insecticide for killing propagation medium mosquitoes of mosquito-borne infectious diseases like dengue fever and preparation method thereof
  • Spreading oil hygienic insecticide for killing propagation medium mosquitoes of mosquito-borne infectious diseases like dengue fever and preparation method thereof

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Effect test

Embodiment 1

[0045] The invention provides a kind of hygienic insecticide for exterminating mosquito-borne infectious diseases such as dengue fever and other mosquito-borne diseases, wherein the main ingredient used is 98% deltamethrin, which accounts for 0.50% (calculated by weight percentage) , the same below), 1 part of cosolvent accounts for 7.00%, surfactant accounts for 3.00%, film forming agent and film stabilizer account for 40.00%, and the balance is edible oils accounting for 49.50% (see Table 1).

[0046] Table 1 Formula table of 0.5% deltamethrin film spreading oil

[0047]

[0048]

[0049] The preparation steps of film oil agent:

[0050] First weigh each substance according to the mass percentage, and then put them into a reaction container in turn, first throw 150#, then put in the original medicine, stir for 10 minutes, after fully dissolving, put in diesel oil, turpentine, Soybean Oil, Methyl Laurate, Lauryl Alcohol. Stir for ten minutes, finally add OP4 and OP10,...

Embodiment 2

[0054] The invention provides a kind of hygienic insecticide for exterminating mosquito-borne infectious diseases such as dengue fever and other mosquito-borne diseases, wherein the main ingredient used is 98% deltamethrin, which accounts for 0.10% (calculated by weight percentage) ), 1 part of cosolvent accounts for 7.00%, surfactant accounts for 3.00%, film forming agent and film stabilizer account for 40.00%, and the balance is edible oils and accounts for 49.90% (see Table 2).

[0055] Table 2 Formulation of 0.1% deltamethrin film spreading oil

[0056]

[0057]

[0058] The preparation steps of film oil agent:

[0059] First weigh each substance according to the mass percentage, and then put them into a reaction container in turn, first throw 150#, then put in the original medicine, stir for 10 minutes, after fully dissolving, put in diesel oil, turpentine, Soybean Oil, Methyl Laurate, Lauryl Alcohol. Stir for ten minutes, finally add OP4 and OP10, stir for 15 min...

Embodiment 3

[0073] In September 2020, the project team carried out simulated on-site application of the film-spreading oil formulation of the present invention in a mosquito-infested farm in Xinqiao Street, Baoan District, Shenzhen, to observe the effect of controlling Aedes and Culex larvae. Three points (east, north and west) of the farm were randomly selected, and 4 buckets were placed at each point in advance, each containing 5 liters of water, so that mosquitoes could breed naturally and lay eggs in the buckets. Two weeks later, on September 16, the project team counted live mosquito larvae (larvae and pupae) in three groups of 12 buckets, and randomly selected 2 buckets in each group, a total of 6 buckets, and artificially replenished to 50 larvae before proceeding. Containing deltamethrin mass percent concentration of 0.5% film spreading oil application, according to 1.0ml / m 2 According to the water area calculation, each drop of each bucket contains a film-developing oil with a co...

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Abstract

The invention discloses a spreading oil hygienic insecticide for killing propagation medium mosquitoes of mosquito-borne infectious diseases like dengue fever and preparation method thereof; the insecticide is composed of deltamethrin, a cosolvent, a surfactant, a film-forming agent, a film stabilizer and edible oil substances; in the film spreading oil agent, the mass percentage concentration ofdeltamethrin is 0.1%-5%; the mass percentage concentration of the cosolvent is 2%-14%, the mass percentage concentration of the surfactant is 1.5%-15%, the mass percentage concentration of the film-forming agent and the film stabilizer is 10%-93%, and the balance is the edible oil substance. The invention also provides a preparation method of the film-spreading oil agent. After being applied to the water surface in a dropwise manner, the insecticide can be quickly diffused, floated and spread on the water surface to form a layer of oil film containing medicine, and after mosquito larvae make contact with the medicine film on the water surface during breathing, the insecticide not only can quickly kill the larvae at each stage, but also can actively kill spawning female mosquitoes, and canprevent incubation of newly-laid mosquito eggs for a long time.

Description

Technical field: [0001] The invention belongs to the hygienic field, and relates to a hygienic insecticide for preventing and controlling mosquitoes and larvae of various stages, in particular to a film-spreading oil hygienic insecticide for killing dengue fever and other mosquito-borne infectious disease vector mosquitoes and its preparation method. Background technique: [0002] Mosquitoes are harmful organisms whose main hazard is the transmission of diseases. According to research, there are more than 80 kinds of diseases transmitted by mosquitoes, such as chikungunya fever, dengue fever, Rift Valley fever, yellow fever, Zika virus disease, malaria , Lymphatic filariasis, Japanese encephalitis, lymphatic filariasis, West Nile fever and other infectious diseases have brought serious harm to human life and health. [0003] Adult mosquitoes are active at night and at night, and like to hide in dark and humid environments. In addition to biting and spreading diseases, they ...

Claims

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Application Information

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IPC IPC(8): A01N53/08A01N25/04A01P7/04
CPCA01N53/00A01N25/04
Inventor 陈木新黄宗胜魏望远郭家钢林良强徐忠国张起文李石柱张仁利陈家旭冯铁建张仪周晓农
Owner 中国疾病预防控制中心寄生虫病预防控制所国家热带病研究中心
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