CN113647397A - Sanitary insecticidal composition - Google Patents

Sanitary insecticidal composition Download PDF

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Publication number
CN113647397A
CN113647397A CN202111085642.2A CN202111085642A CN113647397A CN 113647397 A CN113647397 A CN 113647397A CN 202111085642 A CN202111085642 A CN 202111085642A CN 113647397 A CN113647397 A CN 113647397A
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silicone oil
insecticidal composition
oil
formulation example
sanitary
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Inventor
郑逢云
陈锋岭
严柳
郭丽琴
孙晓燕
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Jiangsu Work Is At Bio Tech Ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/24—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms
    • A01N43/26—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms five-membered rings
    • A01N43/28—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms five-membered rings with two hetero atoms in positions 1,3
    • A01N43/30—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with two or more hetero atoms five-membered rings with two hetero atoms in positions 1,3 with two oxygen atoms in positions 1,3, condensed with a carbocyclic ring
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • A01N61/02—Mineral oils; Tar oils; Tar; Distillates, extracts or conversion products thereof

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Agronomy & Crop Science (AREA)
  • Dentistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to a sanitary insecticidal composition, and belongs to the technical field of pesticides. A sanitary insecticidal composition comprises the following components in percentage by weight: 0.1-40% of synergistic ether, 0.1-15% of film-spreading assistant and 10-99.8% of surface tension regulator. The compound composition has the effects of quickly, long-acting and efficiently killing mosquito larvae and pupae, pests are not easy to generate drug resistance through physical killing, the used raw materials are safe and environment-friendly, and the compound composition has the following beneficial effects: the novel compound composition is added to the field of domestic sanitary insect killing, has obvious pesticide effect, can be widely popularized and applied, solves the problem of resistance development of mosquitoes to chemical agents, and provides a brand-new treatment mode for the problem of drug resistance caused by long-term chemical control.

Description

Sanitary insecticidal composition
Technical Field
The invention relates to a sanitary insecticidal composition, and belongs to the technical field of pesticides.
Background
Mosquitoes are important vector insects, can transmit various diseases such as Japanese encephalitis, malaria, dengue fever, Zika virus, West Nile fever, chikungunya fever, yellow fever and the like, and seriously threaten human health. The mosquito belongs to complete metamorphosis insect, the life history includes 4 stages of egg, larva, pupa and imago, and the egg, larva and pupa of the mosquito are bred in various water bodies. The mosquito larvae are known as wigglers, when breathing, the body and the water surface form an angle, the breathing tube is perpendicular to the water surface, the breathing tube is used for breathing, pupae can swim in the water without eating, and the mosquito larvae breathe on the water surface by the first pair of breathing angles. At present, the control of the breeding of mosquitoes mainly depends on environmental management and chemical control, and in the aspect of physical control, physical killing methods such as kerosene, mineral oil or silicone oil are generally adopted, and the kerosene, the mineral oil, the silicone oil and the like only form a layer of oil film on the surface of a water body to block the respiration of larvae and pupae, so that the larvae and the pupae are suffocated to death, the insecticidal speed and the killing efficiency are lower, particularly for the low-age larvae with weak respiration, the killing efficiency is lower, and the pesticide effect is almost not obvious within 24 hours. In the aspect of chemical prevention, the currently commonly used chemical agents are mainly fast-killing fenthion, fenthion and ethofenprox and insect growth regulators such as pyriproxyfen and methoprene with slow action speed, the chemical agents mainly play a role by the stomach toxicity activity in water, the effect is better only on low-age larvae, the aged larvae or pupae are known in the industry because the aged larvae or pupae hardly eat the chemical agents, and the chemical agents are difficult to kill the aged larvae or pupae, and the generation and the diffusion of the drug resistance of mosquitoes are easily induced and accelerated by long-term, large-amount and unreasonable use of the chemical agents.
Disclosure of Invention
The invention aims to provide a sanitary insecticidal composition aiming at the defects in the prior art, and practice proves that the sanitary insecticidal composition has quick-acting, long-acting and efficient killing effects on mosquito larvae and pupae, and provides a new way for killing mosquitoes.
The invention solves the technical problem by the following technical scheme: a sanitary insecticidal composition comprises the following components in percentage by weight:
0.1 to 40 percent of synergistic ether
0.1-15% of film-spreading auxiliary agent
10-99.8% of surface tension regulator
The balance of other auxiliary agents.
The technical problem is further solved by the following technical scheme, the preferable dosage range of the synergistic ether is 10-20%, the dosage range of the film-spreading auxiliary agent is 1.0-5.0%, and the dosage range of the surface tension regulator is 45-89%; the more preferable amount of the surface tension modifier is 75 to 89%. The film spreading auxiliary agent is at least one of fatty alcohol-polyoxyethylene ether, fatty alcohol block polyether, alkylphenol ethoxylates, block polyether, fatty acid polyglycol ester, fatty alcohol or ester thereof and trioctyl phosphate.
The film spreading auxiliary agent is fatty alcohol-polyoxyethylene ether.
The surface tension regulator is at least one of low surface tension hydrocarbon solvent, silicone oil or polyether modified silicone oil. Further, the surface tension regulator is a hydrocarbon solvent and silicone oil in a weight ratio of 1: 9-9: 1, and more preferably, the surface tension regulator is a hydrocarbon solvent and silicone oil in a weight ratio of 1: 5-2: 1.
the hydrocarbon solvent is one of kerosene, diesel oil, white oil, mineral oil, liquid paraffin oil and synthetic isomeric or normal paraffin solvent oil. Still further, the hydrocarbon solvent is a food grade or cosmetic grade white oil.
The silicone oil is at least one of dimethyl silicone oil, methyl hydrogen-containing silicone oil, low hydrogen-containing silicone oil, terminal hydroxyl silicone oil, fluorine alkyl silicone oil, alkyl substituted silicone oil, alkoxy silicone oil and acyloxy silicone oil. Further, the silicone oil is a dimethyl silicone oil.
The other auxiliary agents can be plant essential oil, acid-base regulator, antioxidant, organic solvent, insecticide, bactericide, herbicide and repellent with other auxiliary effects according to the needs, and the content of the auxiliary agents is 0-89.8%.
The outermost layer of the insect epidermis is sequentially provided with an epidermal layer, a wax layer and a wax protection layer from inside to outside, the main components of the wax layer are long-chain hydrocarbons, other fatty acid esters and alcohol, and the main components of the wax protection layer are protein and lipid and have the function of protecting the wax layer.
The invention selects the synergistic ether (PBO, piperonyl butoxide) to be a pesticide synergist widely used at present, mainly used as the synergist of the pyrethroid insecticides, has extremely high safety, and reportedly, the preparation containing more than 1 percent of PBO can treat human skin for more than 30 years at will without side effect. The PBO has no insecticidal activity, but can inhibit or weaken the detoxification of the pesticide active ingredients of a control object, delay the metabolism speed of the medicament in the control object and further increase the biological control effect. The silicone oil has extremely low surface tension and good hydrophobicity, can form an extremely thin oil film with low surface tension on a static water surface, and prevents a breathing tube of the wigglers and breathing angles of pupas from breathing through the water surface, so that a physical killing effect is realized. The hydrocarbon solvent is a similar component of the insect epidermis wax layer, has strong affinity with the insect epidermis and lower surface tension, has a physical killing effect on insects, and can promote the penetration of effective components on the insect epidermis.
Researches show that the silicone oil has certain killing activity on mosquito larvae and pupae when used alone, under the dosage of 1ml per square meter, the killing rate on culex pipiens pallidum pupae within 4 hours can reach 100 percent, the killing rate on culex pipiens pallidum III-age larvae within 24 hours can reach about 80 percent, but no obvious killing activity on the larvae I within 24 hours; the hydrocarbon solvent and the synergistic ether have extremely low killing activity on mosquito larvae and pupae after being used independently, under the dosage of 1ml per square meter, the killing rate on the mosquito larvae and pupae is lower than 40 percent after 24 hours, but after the synergistic ether is compounded with the silicone oil and the hydrocarbon solvent, the synergistic ether shows that the synergistic ether has extremely high killing activity on the mosquito larvae and pupae, the killing rate on the culex pipiens pallens pupae within 4 hours can reach 100 percent, and the killing rate on the culex pipiens I and III larvae within 24 hours can reach 100 percent. The extremely low surface tension of the silicone oil prevents the breathing tube of the wigglers and the breathing angle of the pupae from breathing through the water surface, the hydrocarbon solvent promotes the permeation of the synergistic ether in the insect body, and after the synergistic ether reaches the insect body, the toxin accumulated by the insect due to oxygen deficiency can not be degraded by inhibiting the activity of multifunctional oxidase (MFO), or the metabolism of the insect to oxygen is further prevented, so that the anoxic physical killing of the silicone oil and the hydrocarbon solvent to the insect is aggravated, and the more efficient killing activity is generated.
The compound multifunctional oxidase inhibitor synergistic ether greatly improves the killing efficiency of larvae and pupae in each growth stage, and ensures that the product has extremely high practical application value. The synergistic effect of the synergistic ether is further enhanced by adopting the compounding of the hydrocarbons and the silicone oil while containing the synergistic ether, so that the composition has quick-acting and efficient killing effect on larvae and pupae in each growth stage. The compound composition has the effects of quickly, long-acting and efficiently killing mosquito larvae and pupae, pests are not easy to generate drug resistance through physical killing, the used raw materials are safe and environment-friendly, and the compound composition has the following beneficial effects: the novel compound composition is added to the field of domestic sanitary insect killing, has obvious pesticide effect, can be widely popularized and applied, solves the problem of resistance development of mosquitoes to chemical agents, and provides a brand-new treatment mode for the problem of drug resistance caused by long-term chemical control.
Detailed Description
Examples
The "%" related to all formulation ratios in the following examples represents weight percentage, and is not described again.
First, preparation examples
Formulation examples 1 to 35:
according to the compounding proportion and the dosage of the components in the table 1, the components are uniformly stirred to prepare preparation examples 1-35.
TABLE 1
Figure DEST_PATH_IMAGE002
Formulation examples 37 to 67:
according to the component names and proportions in Table 2, the preparation method is characterized in that the preparation examples 36-66 are obtained after uniformly stirring 15% of fixed synergistic ether, 3% of film-spreading assistant, 41% of silicone oil and 41% of hydrocarbon solvent.
TABLE 2 formulation examples 36 to 66
Figure DEST_PATH_IMAGE004
Comparative example 1
The amount of the film-spreading aid fatty alcohol polyether was 3%, and the amount of the dimethicone (350) was made up to 100%, and the comparative example 1 was obtained after stirring uniformly.
Comparative example 2
The amount of the film-forming aid fatty alcohol polyether was 3%, and the amount of the 10# white oil was made up to 100%, and the comparative example 2 was prepared after stirring uniformly.
Comparative example 3
The amount of the film-spreading aid fatty alcohol polyether is 3%, the amount of the synergistic ether is complemented to 100%, and the comparative example 3 is prepared after uniform stirring.
Application example 1: indoor activity test of triphibian pallidus
The experimental conditions are as follows: (26 +/-1) DEG C and relative humidity (65 +/-10)%.
The test method comprises the following steps: the white porcelain pots are filled with clear water, 50 healthy mosquito larvae and a proper amount of feed are placed in each pot, the medicament is dripped according to the dose of 1ml per square meter, and the mortality rate of 2h, 4h and 24h are observed. The test was performed in 3 replicates and a blank control 1 was used, and the results are shown in Table 3.
Table 3 indoor activity test results of culex pipiens pallens larvae:
formulation example numbering 2h mortality/%) 4h mortality/%) 24h mortality/%)
Formulation example 1 13 31 85
Formulation example 2 5 17 41
Formulation example 3 27 63 100
Formulation example 4 59 92 100
Formulation example 5 24 57 89
Formulation example 6 79 96 100
Formulation example 7 91 100 100
Formulation example 8 82 91 100
Formulation example 9 62 88 91
Formulation example 10 59 83 85
Formulation example 11 71 91 95
Formulation example 12 64 79 83
Formulation example 13 59 76 82
Formulation example 14 58 77 80
Formulation example 15 63 86 92
Formulation example 16 71 92 100
Formulation example 17 82 100 100
Formulation example 18 89 100 100
Formulation example 19 96 100 100
Formulation example 20 92 100 100
Formulation example 21 88 100 100
Formulation example 22 74 95 100
Formulation example 23 9 42 94
Formulation example 24 59 86 100
Formulation example 25 87 100 100
Formulation example 26 91 100 100
Formulation example 27 89 98 100
Formulation example 28 84 92 100
Formulation example 29 76 89 98
Formulation example 30 69 81 92
Formulation example 31 71 86 100
Formulation example 32 75 92 100
Formulation example 33 83 100 100
Formulation example 34 84 100 100
Formulation example 35 79 94 100
Formulation example 36 67 88 100
Formulation example 37 73 92 100
Formulation example 38 87 100 100
Formulation example 39 69 87 100
Formulation example 40 76 93 100
Formulation example 41 71 89 100
Formulation example 42 67 84 100
Formulation example 43 59 81 100
Formulation example 44 93 100 100
Formulation example 45 91 100 100
Formulation example 46 92 100 100
Formulation example 47 86 100 100
Formulation example 48 81 94 100
Formulation example 49 94 100 100
Formulation example 50 85 93 100
Formulation example 51 83 91 100
Formulation example 52 79 84 100
Formulation example 53 87 100 100
Formulation example 54 84 96 100
Formulation example 55 86 100 100
Formulation example 56 78 92 100
Formulation example 57 84 100 100
Formulation example 58 88 100 100
Formulation example 59 86 100 100
Formulation example 60 79 96 100
Formulation example 61 84 100 100
Formulation example 62 81 98 100
Formulation example 63 82 96 100
Formulation example 64 92 100 100
Formulation example 65 74 89 100
Formulation example 66 76 92 100
Formulation example 67 61 83 100
Comparative example 1 9 24 81
Comparative example 2 4 13 29
Comparative example 3 2 5 21
According to the data of the application example 1, the ternary combination of the synergistic ether, the silicone oil and the hydrocarbon solvent has a very obvious synergistic effect far superior to that of any single component.
The data of preparation examples 14-22 show that the compounding ratio of the hydrocarbon solvent to the silicone oil is 1: 9-9: 1 all have obvious synergistic effect, and particularly, the compounding ratio of the hydrocarbon solvent to the silicone oil is 1: 5-2: 1 hour, the insecticidal effect is very ideal, and the mortality rate of the third instar larvae can reach 100 percent after 4 hours.
The data of formulation example 18 and formulation examples 23 to 30 show that the more the content of the synergistic ether is, the better, the optimum addition amount is 10 to 20%, the activity of the synergistic ether is difficult to be exerted when the addition amount is too low, and the activity of the surface tension regulator is difficult to be exerted when the addition amount is too high.
The data of the preparation example 18 and the preparation examples 31 to 36 show that the optimal addition ratio of the film-spreading assistant is 1 to 5%, and the optimal activity cannot be exerted if the addition ratio is too low or too high.
The data of formulation examples 37-67 show that other film-spreading aids, silicone oils and hydrocarbon solvents also have similar synergistic effects.
Application example 2: indoor activity test of larvae and pupae of culex pipiens pallens at each growth stage
The experimental conditions are as follows: (26 +/-1) DEG C and relative humidity (65 +/-10)%.
The test method comprises the following steps: the white porcelain pots are filled with clear water, 50 healthy mosquito larvae or pupae and a proper amount of feed are placed in each pot, the medicament is dripped according to the dose of 1ml per square meter, and the 4-hour mortality and the 24-hour mortality are observed. The test was performed in 3 replicates and a blank control 1 was used, and the results are shown in Table 4.
Table 4 indoor activity test results of larvae and pupae at each growth stage of culex pipiens pallens:
Figure DEST_PATH_IMAGE006
according to the data of the application example 2, the ternary combination of the synergistic ether, the silicone oil and the hydrocarbon solvent realizes excellent control effect in the full growth stage, and the insecticidal effect of the synergistic ether on the first-instar larvae and the second-instar larvae can be regarded as a qualitative breakthrough.
The sanitary insecticide composition and the application thereof have been described by specific examples, and the content of the raw materials, the process conditions, the compounding combination of the active ingredients or the proportion thereof can be appropriately changed by those skilled in the art for realizing other corresponding objects without departing from the content of the invention, and all similar substitutions and modifications are obvious to those skilled in the art and are considered to be included in the scope of the invention.

Claims (9)

1. A sanitary insecticidal composition comprises the following components in percentage by weight:
0.1 to 40 percent of synergistic ether,
0.1 to 15 percent of film-spreading auxiliary agent,
10-99.8% of a surface tension regulator.
2. A sanitary insecticidal composition as defined in claim 1, characterized in that: the film spreading auxiliary agent is at least one of fatty alcohol-polyoxyethylene ether, fatty alcohol block polyether, alkylphenol polyoxyethylene, block polyether, fatty acid polyglycol ester, fatty alcohol or ester thereof and trioctyl phosphate, and the using amount is 1.0-5.0%.
3. A sanitary insecticidal composition as defined in claim 2, characterized in that: the film spreading auxiliary agent is fatty alcohol-polyoxyethylene ether.
4. A sanitary insecticidal composition as defined in claim 1, characterized in that: the surface tension regulator is at least one of a low-surface-tension hydrocarbon solvent, silicone oil or polyether modified silicone oil, and the dosage of the surface tension regulator is 45-89%.
5. A sanitary insecticidal composition as defined in claim 4, characterized in that: the surface tension regulator is a hydrocarbon solvent and silicone oil in a weight ratio of 1: 9-9: 1, compounding.
6. A sanitary insecticidal composition as defined in claim 4, characterized in that: the hydrocarbon solvent is one of kerosene, diesel oil, white oil, mineral oil, liquid paraffin oil and synthetic isomeric or normal paraffin solvent oil.
7. A sanitary insecticidal composition as defined in claim 6, wherein: the hydrocarbon solvent is food-grade or cosmetic-grade white oil.
8. A sanitary insecticidal composition as defined in claim 4, characterized in that: the silicone oil is at least one of dimethyl silicone oil, methyl hydrogen-containing silicone oil, low hydrogen-containing silicone oil, terminal hydroxyl silicone oil, fluorine alkyl silicone oil, alkyl substituted silicone oil, alkoxy silicone oil and acyloxy silicone oil.
9. A sanitary insecticidal composition as defined in claim 8, wherein: the silicone oil is dimethyl silicone oil.
CN202111085642.2A 2021-09-16 2021-09-16 Sanitary insecticidal composition Pending CN113647397A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101779640A (en) * 2009-01-20 2010-07-21 江苏扬农化工股份有限公司 Pesticidal composite
CN112568235A (en) * 2020-12-11 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) Film spreading oil solution sanitary pesticide for killing mosquito as dengue fever vector infectious disease transmission vector and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101779640A (en) * 2009-01-20 2010-07-21 江苏扬农化工股份有限公司 Pesticidal composite
CN112568235A (en) * 2020-12-11 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) Film spreading oil solution sanitary pesticide for killing mosquito as dengue fever vector infectious disease transmission vector and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杜雪等: "防蚊水膜对淡色库蚊和白纹伊蚊幼虫的实验室防治效果观察", 《中华卫生杀虫药械》, vol. 26, no. 5, 31 October 2020 (2020-10-31), pages 417 - 422 *

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