CN110637827A - Sanitary insecticidal composition containing acetamiprid and pyrethroid - Google Patents
Sanitary insecticidal composition containing acetamiprid and pyrethroid Download PDFInfo
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- CN110637827A CN110637827A CN201911037393.2A CN201911037393A CN110637827A CN 110637827 A CN110637827 A CN 110637827A CN 201911037393 A CN201911037393 A CN 201911037393A CN 110637827 A CN110637827 A CN 110637827A
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
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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
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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Abstract
The invention discloses a sanitary insecticidal composition containing acetamiprid and pyrethroid, the effective components are acetamiprid and pyrethroid, the content of acetamiprid is 1-15%, the content of pyrethroid is 1-15%, and the balance is adjuvant; the dosage forms are missible oil, aqueous emulsion, microemulsion and soluble liquid. The pyrethroid is transfluthrin, metofluthrin, right-trans-clopropathrin, transfluthrin, phenothrin, heptafluthrin, right-heptafluthrin, bioallethrin, permethrin, right-allethrin and right-trans-enriched allethrin. The sanitary insecticidal composition has the advantages of high efficiency, low toxicity, environmental friendliness and the like, and the compound insecticide is used for space spraying, is quick in effect taking and thorough in killing, prolongs the pesticide application period and reduces the labor cost. The pesticide is widely applied to hotels, schools, factories, families and public places, and has special effects on preventing and treating sanitary hazards.
Description
Technical Field
The invention relates to a binary sanitary insecticidal composition and application thereof, in particular to a sanitary insecticidal composition containing acetamiprid and pyrethroid and application thereof.
Background
The acetamiprid belongs to nicotine chloride compounds, is applied to the field of agricultural fields for a long time, and is found through experiments to have special effect on sanitary pests such as mosquitoes, flies and the like, have outstanding lethal effect, have low toxicity and good safety to human bodies and environment, and are suitable for being applied to the field of sanitary external environments.
The sanitary pyrethroid has the functions of stomach toxicity, contact poisoning and fumigation, is a good knock-down agent and a good lethal agent, is widely applied to the field of sanitary medicines, such as mosquito-repellent incense, aerosol, liquid mosquito-repellent incense and the like, and is suitable for being applied to a sanitary external environment for space spraying. The acetamiprid and the sanitary pyrethroid are compounded into missible oil, water emulsion, microemulsion, soluble liquid and the like, so that the prevention and control effect on sanitary pests can be improved, the generation of drug resistance of the sanitary pests is delayed, the defects of few sanitary drug products, old products and the like in the domestic and foreign environments are overcome, and the acetamiprid-containing pesticide is a compound drug application technology with better market prospect.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a sanitary insecticidal composition containing acetamiprid and pyrethroid.
In order to achieve the purpose, the invention adopts the following technical scheme (without special description, the content refers to the mass percentage content):
a sanitary insecticidal composition containing acetamiprid and pyrethroid comprises the effective components of acetamiprid and pyrethroid, wherein: the content of acetamiprid is 1-15%, the content of pyrethroid is 1-15%, and the balance is auxiliary agent; the sanitary insecticidal composition is in the dosage forms of missible oil, aqueous emulsion, microemulsion and soluble liquid.
In the technical scheme, the weight ratio of the acetamiprid to the pyrethroid is 10: 1-1: 10, preferably 10: 1-2: 1.
In the technical scheme, when the formulation of the sanitary insecticidal composition is missible oil, the auxiliary agent is an emulsifier, a slow release agent and a solvent are sprayed in space, and the content of each component is as follows: 1-15% of acetamiprid, 1-15% of pyrethroid, 1-15% of emulsifier, 1-30% of spatially sprayed sustained-release agent and the balance of solvent to 100%.
In the technical scheme, when the formulation of the sanitary insecticidal composition is an aqueous emulsion, the auxiliary agent is an emulsifier, a solvent, a slow release agent for spatial spraying, an antifreezing agent, a defoaming agent and water, and the content of each component is as follows: 1-15% of acetamiprid, 1-15% of pyrethroid, 1-15% of emulsifier, 1-20% of solvent, 1-20% of space spraying slow release agent, 1-5% of antifreeze agent, 0.1-0.5% of defoaming agent and water to make up to 100%.
In the technical scheme, when the formulation of the sanitary insecticidal composition is microemulsion, the auxiliary agent is emulsifier, solvent, slow release agent for spatial spraying and water, and the content of each component is as follows: 1-15% of acetamiprid, 1-15% of pyrethroid, 5-25% of emulsifier, 1-20% of solvent, 1-20% of space spraying slow release agent and water to make up to 100%.
In the technical scheme, the formulation of the sanitary insecticidal composition is soluble liquid, the auxiliary agent is emulsifier, and the slow release agent and the solvent are sprayed in space, and the content of each component is as follows: 1-15% of acetamiprid, 1-15% of pyrethroid, 5-30% of emulsifier, 1-30% of spatially sprayed sustained-release agent and the balance of solvent to 100%.
In the above technical scheme, the pyrethroid is selected from: the composite material is a mixture formed by mixing any one of or two of more than two of transfluthrin, metofluthrin, permethrin, transfluthrin, phenothrin, heptafluthrin, tetramethrin, bioallethrin, permethrin, dextroallethrin and esfenprox in any proportion.
In the above technical scheme, the solvent is selected from: trimethylbenzene, tetramethylbenzene, pentamethylene, ethanol, N-dimethyl pelargonamide, N-octyl pyrrolidone, propanol, butanol, ethylene glycol, diethylene glycol, ethylene glycol methyl ether, piperonyl butyl ether, dodecylbenzene, butyl ether, ethyl acetate, dimethyl phthalate, dimethyl diethyl phthalate and dimethyl dibutyl phthalate, wherein two or more of the above components are mixed in any proportion to form a mixture.
In the above technical scheme, the space spraying slow release agent is selected from: any one of 2-methyl dimethyl glutarate, dimethyl succinate, N-dimethyl propionamide and propylene carbonate, and a mixture formed by mixing two or more than two of the above components in any proportion.
In the above technical scheme, the emulsifier is selected from: styrylphenol polyoxyethylene ether, calcium alkylbenzene sulfonate (such as Nongsuan 500# from Nanjing Tekkaido Co., Ltd.), OP series phosphate ester (nonylphenol polyoxyethylene ether phosphate ester), phenylphenol polyoxyethylene ether phosphate ester (such as Nongjindo Tekkaido 600# phosphate ester), styrene polyoxyethylene ether ammonium sulfate salt, magnesium salt of alkyldiphenyl ether disulfonate, triethanolamine salt, benzyldimethylphenol polyoxyethylene ether (such as Nongsuan 400# from Chengtai Lanzhong Co., Ltd.), Ningru 36# (phenethylphenol formaldehyde resin polyoxyethylene ether), phenethylphenol polyoxyethylene polyoxypropylene ether (such as Nongru 1600# from Handan Nedia chemical Co., Ltd.), ethylene oxide-propylene oxide block copolymer, alkylphenol polyoxyethylene ether, castor oil polyoxyethylene ether (such as Tianjin Hongmei EL series), alkylaryl polyoxypropylene polyoxyethylene ether (such as Nanjing Tekkaido 33#), and alkyl diphenyl ether, The material is a mixture of any one of alkylaryl polyoxyethylene polyoxypropylene ether (such as 34# of Sunjin Taihua agricultural emulsion), span series (sorbitan monostearate), Tween series (polyoxyethylene sorbitan fatty acid ester), and fatty alcohol polyoxyethylene ether (such as AEO series of the Schchen Tailan auxiliary agent factory). .
In the above technical scheme, the antifreeze is selected from: any one of ethylene glycol, propylene glycol, glycerol and urea, and a mixture of two or more of them in any proportion.
In the above technical solution, the defoaming agent is selected from: any one of silicone compound, silicone oil, C8-10 fatty alcohol compound and C10-20 saturated fatty acid compound, and a mixture of two or more of them in any proportion.
In the technical scheme, when the formulation of the sanitary insecticidal composition is missible oil, aqueous emulsion, microemulsion and soluble liquid, the sanitary insecticidal composition can be prepared according to the conventional method or the existing method in the field.
The invention also provides application of the sanitary insecticidal composition in the aspect of preventing and controlling sanitary pests.
In the technical scheme, the sanitary pests refer to culex pipiens pallens, culex fatigues, culex tritaeniorhynchus, aedes albopictus, aedes aegypti, anopheles sinensis, aedes infestans, midge, houseflies, city flies, chrysomyia megacephala, lucilia sericata, lucilia cuprina, lucilia glauca, latus suvialis, stinkbug, fleas, mangrove ticks, duroplates medinalis, proclam durum praeruptorum, minimus bovis seu Bubali, Dermatophagoides scabies and the like.
In the technical scheme, when the sanitary insecticidal composition is used for preventing and treating sanitary pests, the sanitary insecticidal composition is diluted by 30-200 times with water and then sprayed to the application fields of hotels, schools, factories, families, public places and the like.
The sanitary insect-killing composition is added with the space spraying slow-release agent, improves the spraying effect, reduces the size of liquid drops during space spraying, ensures that the liquid drops have longer diffusion and stay time in the space, improves the pesticide effect, kills sanitary insects more thoroughly, prolongs the pesticide application period, reduces the pesticide application frequency, reduces the labor cost, is widely applied to hotels, schools, factories, families and public places, and has special effect on preventing and controlling the sanitary insects.
Detailed Description
The following detailed description of the embodiments of the present invention is provided, but the present invention is not limited to the following descriptions:
the preparation method of the dosage form in each embodiment of the invention is as follows:
the laboratory preparation method of the missible oil comprises the following steps: weighing acetamiprid, pyrethroid, emulsifier, spatially-sprayed sustained-release agent and solvent according to the proportion, heating in a beaker, and uniformly mixing to obtain the acetamiprid-pyrethroid-containing water dispersible granule.
The laboratory preparation method of the aqueous emulsion comprises the following steps: weighing acetamiprid, pyrethroid, emulsifier, spatially sprayed sustained-release agent and solvent according to a ratio, heating and dissolving to form an oil phase, weighing antifreezing agent, defoaming agent and water according to a ratio to form a water phase, and slowly adding the water phase into the oil phase under a shearing condition to obtain the aqueous emulsion.
The laboratory preparation method of the microemulsion comprises the following steps: proportionally weighing acetamiprid, pyrethroid, emulsifier, solvent and slow-release agent sprayed in space, heating for full dissolution, adding water, and stirring uniformly to obtain the microemulsion.
Soluble liquid agent: proportionally weighing acetamiprid, pyrethroid, emulsifier, spatially-sprayed sustained-release agent and solvent, and heating for full dissolution to obtain the soluble liquid.
The invention will now be illustrated with reference to specific examples:
formulation example 1: acetamiprid-tetrafluoro ethofenprox missible oil with concentration of 3.5%
3% of acetamiprid, 0.5% of tefluthrin, 3% of calcium alkyl benzene sulfonate, 5% of castor oil polyoxyethylene ether, 2% of phenyl phenol polyoxyethylene ether phosphate, 12% of 2-methyl dimethyl glutarate and the balance of dodecyl benzene to 100%.
Formulation example 2: 5.5% acetamiprid-tetrafluoro ether aqueous emulsion
5% of acetamiprid, 0.5% of tefluthrin, 10% of dimethyl succinate, 5% of piperonyl butoxide, 3% of calcium alkyl benzene sulfonate, 3% of castor oil polyoxyethylene ether, 2.5% of phenyl phenol polyoxyethylene ether phosphate, 5% of ethylene glycol, 0.2% of silicone oil and water to 100%.
Formulation example 3: 6% acetamiprid-tefluthrin microemulsion
4% of acetamiprid, 2% of tefluthrin, 4% of calcium alkyl benzene sulfonate, 16% of castor oil polyoxyethylene ether, 14% of propylene carbonate, 8% of trimethylbenzene and the balance of water to 100%.
Formulation example 4: 8% acetamiprid-tetrafluoroethane pyrethrin soluble liquid agent
4% of acetamiprid, 4% of tefluthrin, 5% of calcium alkyl benzene sulfonate, 12% of castor oil polyoxyethylene ether, 10% of N, N-dimethyl propionamide, 2% of piperonyl butoxide, 15% of tetramethylbenzene and dodecyl benzene to make up to 100%.
Formulation example 5: 4% acetamiprid-tetrafluoromethrin emulsifiable concentrate
3% of acetamiprid, 1% of dimefluthrin, 3% of calcium alkyl benzene sulfonate, 36# 6% of Ningru, 1% of phenyl phenol polyoxyethylene ether phosphate, 10% of 2-methyl dimethyl glutarate and the balance of dodecyl benzene to 100%.
Formulation example 6: 8% acetamiprid-tetrafluoro methyl ether emulsion in water
6% of acetamiprid, 2% of dimefluthrin, 10% of dimethyl succinate, 5% of tetramethylbenzene, 3% of calcium alkyl benzene sulfonate, 3% of castor oil polyoxyethylene ether, 2% of fatty alcohol polyoxyethylene ether, 5% of ethylene glycol, 0.2% of silicone oil and water for supplementing to 100%.
Formulation example 7: 6% acetamiprid-tetrafluoromethrin microemulsion
4% of acetamiprid, 2% of dimefluthrin, 4.2% of calcium alkyl benzene sulfonate, 15.5% of castor oil polyoxyethylene ether, 18% of dimethyl succinate, 10% of trimethylbenzene and water which are complemented to 100%.
Formulation example 8: 7% acetamiprid-tetrafluoromethrin soluble liquid agent
3.5 percent of acetamiprid, 3.5 percent of tetrafluoromethothrin, 6 percent of calcium alkyl benzene sulfonate, 16 percent of castor oil polyoxyethylene ether, 11 percent of N, N-dimethyl propionamide, 3 percent of piperonyl butoxide and the balance of tetramethylbenzene to 100 percent.
Formulation example 9: acetamiprid-methoxybenzyl-bifenthrin missible oil with concentration of 3.5%
Acetamiprid 3%, methoxybenzofloxacin 0.5%, calcium alkyl benzene sulfonate 3%, Ningru 36# 6%, phenyl phenol polyoxyethylene ether phosphate 1%, dimethyl 2-methylglutarate 10%, and dodecylbenzene to 100%.
Formulation example 10: 5.5% acetamiprid-methoxybenzyl fluoride aqueous emulsion
5% of acetamiprid, 0.5% of bifenthrin, 10% of dimethyl succinate, 5% of tetramethylbenzene, 3% of calcium alkyl benzene sulfonate, 3% of castor oil polyoxyethylene ether, 2% of fatty alcohol polyoxyethylene ether, 5% of ethylene glycol, 0.2% of silicone oil and water to be supplemented to 100%.
Formulation example 11: 6% acetamiprid-methoxybenzyl-fluthrin microemulsion
4% of acetamiprid, 2% of methoxybenzofloxacin, 3% of fatty alcohol-polyoxyethylene ether, 17% of castor oil polyoxyethylene ether, 15% of dimethyl succinate, 10% of ethanol and water in balance to 100%.
Formulation example 12: 8% acetamiprid-methoxybenzafloxacin soluble liquid agent
4% of acetamiprid, 4% of methoxybenzofloxacin, 6% of calcium alkyl benzene sulfonate, 16% of castor oil polyoxyethylene ether, 11% of propylene carbonate, 2.5% of piperonyl butoxide and the balance of tetramethylbenzene to 100%.
Formulation example 13: acetamiprid-D-trans-chlorpropyrifos missible oil with concentration of 3.5%
3% of acetamiprid, 0.5% of d-trans-chloropropynethin, 3% of calcium alkyl benzene sulfonate, 36# 6% of Ningru, 1% of phenyl phenol polyoxyethylene ether phosphate, 10% of 2-methyl dimethyl glutarate, 10% of ethanol and the balance of trimethylbenzene to 100%.
Formulation example 14: acetamiprid-D-trans-chlorpropyrifos missible oil with concentration of 3.5%
3% of acetamiprid, 0.5% of d-trans-chloropropynthrin, 3% of calcium alkyl benzene sulfonate, 36# 6% of Ningru, 1% of phenyl phenol polyoxyethylene ether phosphate, 10% of ethanol and trimethyl benzene, and the balance is up to 100%.
Formulation example 15: 5% acetamiprid-d-trans-chlorpropyrifos microemulsion
4% of acetamiprid, 1% of d-trans-propargyl chloride pyrethrin, 3% of fatty alcohol-polyoxyethylene ether, 17% of castor oil polyoxyethylene ether, 11% of propylene carbonate, 3% of ethanol and the balance of water to 100%.
Formulation example 16: 5% acetamiprid-D-trans-chlorpropenthrin soluble liquid
4.5 percent of acetamiprid, 0.5 percent of D-trans-cloroppropathrin, 3 percent of calcium alkyl benzene sulfonate, 16 percent of castor oil polyoxyethylene ether, 10 percent of N, N-dimethyl propionamide, 2 percent of piperonyl butoxide and tetramethylbenzene which are complemented to 100 percent.
Formulation example 17: acetamiprid-transfluthrin missible oil with concentration of 3.5%
3% of acetamiprid, 0.5% of transfluthrin, 3% of calcium alkyl benzene sulfonate, 36# 6% of Ningru, 1% of phenyl phenol polyoxyethylene ether phosphate, 13% of dimethyl succinate and the balance of dodecyl benzene to 100%.
Formulation example 18: 4% acetamiprid-tetrafluorobenzene emulsion in water
2.5% of acetamiprid, 1.5% of transfluthrin, 10% of dimethyl succinate, 5% of tetramethylbenzene, 3% of calcium alkyl benzene sulfonate, 3% of castor oil polyoxyethylene ether, 2% of fatty alcohol polyoxyethylene ether, 5% of propylene glycol, 0.2% of silicone oil and water to 100%.
Formulation example 19: 5% acetamiprid-transfluthrin microemulsion
4% of acetamiprid, 1% of transfluthrin, 3% of fatty alcohol-polyoxyethylene ether, 17% of castor oil polyoxyethylene ether, 12% of 2-methyl dimethyl glutarate, 3% of ethanol and water which are complemented to 100%.
Formulation example 20: 8% acetamiprid-transfluthrin soluble liquid
7% of acetamiprid, 1% of transfluthrin, 3% of calcium alkyl benzene sulfonate, 16% of styryl phenol polyoxyethylene ether, 15% of N, N-dimethyl propionamide, 6% of piperonyl butoxide, 8% of ethanol and the balance of tetramethylbenzene to 100%.
Formulation example 21: 4% acetamiprid-phenothrin emulsifiable concentrate
3.5 percent of acetamiprid, 0.5 percent of phenothrin, 3 percent of calcium alkyl benzene sulfonate, 6 percent of benzyl dimethyl phenol polyoxyethylene ether, 1 percent of phenyl phenol polyoxyethylene ether phosphate, 13 percent of propylene carbonate and the balance of dodecyl benzene to 100 percent.
Formulation example 22: 6% acetamiprid-phenylate aqueous emulsion
4% of acetamiprid, 2% of phenothrin, 10% of dimethyl succinate, 5% of trimethylbenzene, 3% of calcium alkyl benzene sulfonate, 4% of castor oil polyoxyethylene ether, 2% of fatty alcohol polyoxyethylene ether, 3% of propylene glycol, 0.2% of silicone oil and water to be supplemented to 100%.
Formulation example 23: 5% acetamiprid-phenothrin microemulsion
4% of acetamiprid, 1% of phenothrin, 2% of fatty alcohol-polyoxyethylene ether, 17% of castor oil polyoxyethylene ether, 10% of 2-methyl dimethyl glutarate, 3% of ethanol and water which are complemented to 100%.
Formulation example 24: 4.8% acetamiprid-phenothrin soluble liquid agent
4% of acetamiprid, 0.8% of phenothrin, 3% of calcium alkyl benzene sulfonate, 16% of styrylphenol polyoxyethylene ether, 15% of N, N-dimethyl propionamide, 6% of piperonyl butoxide, 8% of ethanol and the balance of tetramethylbenzene to 100%.
Formulation example 25: 4% acetamiprid-heptafluoromethyl ether pyrethrin emulsifiable concentrate
3.5% of acetamiprid, 0.5% of heptafluoromethyl ether pyrethrin, 2% of calcium alkyl benzene sulfonate, 4% of benzyl dimethyl phenol polyoxyethylene ether, 3% of phenyl phenol polyoxyethylene ether phosphate, 8% of dimethyl succinate and the balance of dodecyl benzene to 100%.
Formulation example 26: 6% acetamiprid-heptafluoromethyl ether emulsion in water
4% of acetamiprid, 2% of heptafluoromethyl ether, 14% of dimethyl succinate, 3% of trimethylbenzene, 2% of calcium alkyl benzene sulfonate, 3% of castor oil polyoxyethylene ether, 4% of fatty alcohol polyoxyethylene ether, 3% of ethylene glycol, 0.2% of silicone oil and water to be supplemented to 100%.
Formulation example 27: 5% acetamiprid-d-heptafluoro-methothrin microemulsion
4% of acetamiprid, 1% of d-heptafluoromethyl ether, 3% of fatty alcohol-polyoxyethylene ether, 17% of castor oil polyoxyethylene ether, 15% of 2-methyl dimethyl glutarate, 6% of ethanol and the balance of water to 100%.
Formulation example 28: 8% acetamiprid-d-heptafluoro-methothrin soluble liquid agent
5% of acetamiprid, 3% of d-heptafluoromethyl ether, 6% of calcium alkyl benzene sulfonate, 15% of styrylphenol polyoxyethylene ether, 12% of N, N-dimethyl propionamide, 4% of piperonyl butoxide, 5% of ethanol and the balance of trimethylbenzene to 100%.
Formulation example 29: 4% acetamiprid-permethrin emulsifiable concentrate
3.5 percent of acetamiprid, 0.5 percent of prallethrin, 2 percent of calcium alkyl benzene sulfonate, 4 percent of benzyl dimethyl phenol polyoxyethylene ether, 3 percent of phenyl phenol polyoxyethylene ether phosphate, 15 percent of dimethyl succinate and dodecyl benzene which are complemented to 100 percent.
Formulation example 30: 6% acetamiprid-chloroeneyne aqueous emulsion
4% of acetamiprid, 2% of prallethrin, 8% of dimethyl succinate, 8% of tetramethylbenzene, 4% of calcium alkyl benzene sulfonate, 2% of castor oil polyoxyethylene ether, 6% of fatty alcohol polyoxyethylene ether, 3% of propylene glycol, 0.2% of silicone oil and water to be supplemented to 100%.
Formulation example 31: 5% acetamiprid-bioallethrin microemulsion
4% of acetamiprid, 1% of bio-allethrin, 3% of fatty alcohol-polyoxyethylene ether, 17% of castor oil polyoxyethylene ether, 15% of 2-methyl dimethyl glutarate, 6% of ethanol and water which are complemented to 100%.
Formulation example 32: 8% acetamiprid-bioallethrin soluble liquid agent
5% of acetamiprid, 3% of bio-allethrin, 8% of calcium alkyl benzene sulfonate, 12% of styryl phenol polyoxyethylene ether, 15% of N, N-dimethyl propionamide, 2% of piperonyl butoxide, 3% of ethanol and the balance of dodecyl benzene to 100%.
The first application embodiment: indoor efficacy test for mosquito and fly control
Test targets: culex pipiens pallens (laboratory bred), female adults who do not take blood 3 to 5 days after eclosion;
houseflies (raised in a laboratory), adults from 3 th to 4 th days after eclosion, and female and male are half in each case;
the test method comprises the following steps: referring to GB/T13917.10-2009, simulating the scene;
and (3) test treatment: preparation examples 1-4 the total concentration of the active ingredients was diluted to 200 mg/l;
control 1: diluting 5% acetamiprid missible oil to 200 mg/l;
control 2: diluting 5% tetrafluoro ether missible oil to 200 mg/l;
and (3) test results:
table 1 formulation examples 1-4 efficacy tests against mosquitoes and flies
Test results show that after the acetamiprid and the tetrafluoroethane inundate are compounded, the synergistic effect on the knockdown effect of mosquitoes and flies is obvious, the fatality rate in 24 hours is also obviously improved and reaches 100 percent (see table 1), the tetrafluoroethane inundate makes up the defect that the acetamiprid is weak in knockdown performance, and the acetamiprid makes up the defect that the tetrafluoroethane inundate is poor in lethality.
TABLE 2 acetamiprid and transfluthrin cotoxicity coefficient determination (for culex pipiens pallens)
As shown in Table 2, when the compounding ratio of the acetamiprid to the tetrafluoroethane inum ester is 10: 1-1: 10, the cotoxicity coefficient of the culex pipiens pallens is larger than 120, and the synergistic effect is obvious, particularly when the compounding ratio is 6: 1.
TABLE 3 optimal cotoxicity coefficient of acetamiprid with other pyrethroids (against culex pallens)
As can be seen from the table 3, the optimal proportion of the acetamiprid to other pyrethroid after compounding is within the range of 8: 1-2: 1, and particularly, the co-toxicity coefficients of the tetramethrin, the metofluthrin, the trans-clomiphrin, the transfluthrin, the phenothrin, the heptafluomethrin, the trans-heptafluomethrin and the permethrin are all more than 200, so that the synergistic effect is obvious.
Application example two: space spraying slow release agent effect and drug effect test
Test targets: culex pipiens pallens, female adults who do not take blood 3 to 5 days after eclosion;
the test method comprises the following steps: referring to GB/T13917.10-2009, simulating the scene;
and (3) test treatment: preparation examples 13 and 14, the total concentration of the active ingredients is diluted to 200 mg/l;
spraying equipment: longrui 616A for a small backpack sprayer;
table 4 formulation examples 13 and 14 efficacy comparison data
Formulation example 13 and formulation example 14 are both 3% acetamiprid + 0.5% d-trans-chlorpropenthrin emulsifiable concentrate, wherein 2-methyl glutaric acid dimethyl ester is added in formulation example 13, and formulation example 14 is not added, as can be seen from table 4, the efficacy of formulation example 13 is obviously better than that of formulation example 14, the diameter of the fog drop sprayed out from formulation example 13 is about 30 μm, and the diameter of the fog drop of formulation example 14 is about 55 μm, because the larger the diameter of the fog drop is, the smaller the number of dispersible granules of the liquid medicine in the air is, and the sedimentation speed of the liquid medicine granules is high, the suspension time in the air is short, and the poor efficacy is caused.
In conclusion, the acetamiprid-pyrethroid-containing sanitary insecticidal composition disclosed by the invention has an obvious synergistic effect on sanitary pests after the acetamiprid and the pyrethroid are compounded, and the slow-release agent for spatial spraying is added, so that the size of liquid drops in spatial spraying is reduced, the liquid drops are allowed to stay in space for a longer time, sanitary pests are killed more thoroughly, the pesticide application period is prolonged, the pesticide application frequency is reduced, and the labor cost is reduced.
The above examples are only for illustrating the technical concept and features of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A sanitary insecticidal composition containing acetamiprid and pyrethroid is characterized in that: the active ingredients are acetamiprid and pyrethroid, wherein: the content of acetamiprid is 1-15%, the content of pyrethroid is 1-15%, and the balance is auxiliary agent; the sanitary insecticidal composition is in the dosage forms of missible oil, aqueous emulsion, microemulsion and soluble liquid.
2. A sanitary insecticidal composition according to claim 1, characterized in that: the weight ratio of the acetamiprid to the pyrethroid is 10: 1-1: 10.
3. A sanitary insecticidal composition according to claim 1, characterized in that: when the formulation is missible oil, the auxiliary agent is an emulsifier, a slow release agent for spatial spraying and a solvent, and the contents of the components are as follows: 1-15% of acetamiprid, 1-15% of pyrethroid, 1-15% of emulsifier, 1-30% of spatially sprayed sustained-release agent and the balance of solvent to 100%.
4. A sanitary insecticidal composition according to claim 1, characterized in that: when the formulation is an aqueous emulsion, the auxiliary agent is an emulsifier, a solvent, a slow release agent for spatial spraying, an antifreezing agent, a defoaming agent and water, and the contents of the components are as follows: 1-15% of acetamiprid, 1-15% of pyrethroid, 1-15% of emulsifier, 1-20% of solvent, 1-20% of space spraying slow release agent, 1-5% of antifreeze agent, 0.1-0.5% of defoaming agent and water to make up to 100%.
5. A sanitary insecticidal composition according to claim 1, characterized in that: when the dosage form is microemulsion, the auxiliary agent is emulsifier, solvent, slow release agent for spacial spraying and water, and the contents of each component are as follows: 1-15% of acetamiprid, 1-15% of pyrethroid, 5-25% of emulsifier, 1-20% of solvent, 1-20% of space spraying slow release agent and water to make up to 100%.
6. A sanitary insecticidal composition according to claim 1, characterized in that: the preparation form is soluble liquid, the auxiliary agent is emulsifier, and the slow release agent and the solvent are sprayed in space, and the contents of the components are as follows: 1-15% of acetamiprid, 1-15% of pyrethroid, 5-30% of emulsifier, 1-30% of spatially sprayed sustained-release agent and the balance of solvent to 100%.
7. A sanitary insecticidal composition according to claim 1, characterized in that: the pyrethroid is selected from: the composite material is a mixture formed by mixing any one of or two of more than two of transfluthrin, metofluthrin, permethrin, transfluthrin, phenothrin, heptafluthrin, tetramethrin, bioallethrin, permethrin, dextroallethrin and esfenprox in any proportion.
8. A sanitary insecticidal composition according to any one of claims 3 to 6, characterized in that: the space spraying slow release agent is selected from: any one of 2-methyl dimethyl glutarate, dimethyl succinate, N-dimethyl propionamide and propylene carbonate, and a mixture formed by mixing two or more than two of the above components in any proportion.
9. Use of a pesticidal hygiene composition according to claims 1 to 8 for controlling pests of hygiene origin.
10. Use according to claim 9, characterized in that: the sanitary pests refer to culex pipiens pallens, culex fatigues, culex tritaeniorhynchus, aedes albopictus, aedes aegypti, anopheles sinensis, aedes infestans, midge, houseflies, city flies, chrysomyia megacephala, lucilia sericata, lucilia cuprina, lucilia, summer latrine flies, meta latrine flies, bed bugs, fleas, mangrove ticks, Chinese tick, prairie tick, Boophilus microplus, Dermatophagoides and scabies; when the sanitary insect-killing composition is used for preventing and controlling sanitary insects, the sanitary insect-killing composition is diluted by 30-200 times with water and then sprayed to hotels, schools, factories, families and public places.
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