CN104798807B - A kind of compound insecticidal aqueous emulsion containing Permethrin and etrafluorine ethofenprox and its application - Google Patents
A kind of compound insecticidal aqueous emulsion containing Permethrin and etrafluorine ethofenprox and its application Download PDFInfo
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- CN104798807B CN104798807B CN201410040358.7A CN201410040358A CN104798807B CN 104798807 B CN104798807 B CN 104798807B CN 201410040358 A CN201410040358 A CN 201410040358A CN 104798807 B CN104798807 B CN 104798807B
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Abstract
The present invention provides a kind of compound insecticidal aqueous emulsion, and by weight percentage, it is made up of the water of 2%~15% active insecticidal components, 5~15% cosolvent, 3~15% emulsifying agent, 1~10% antifreezing agent, 0.1~0.5% defoamer and surplus；Described active insecticidal components are by Permethrin and etrafluorine ethofenprox with 1:20~30:1 weight forms than compounding；Described cosolvent is selected from mixture more than one or both of piperonyl butoxide, N methyl pyrrolidones, tasteless kerosene, trimethylbenzene, durene or penta-methyl benzene.Insecticide of the present invention is by the way that Permethrin and etrafluorine ethofenprox are compounded, it is processed into Water emulsion, reduce the use of organic solvent, to more environment-friendly, wherein etrafluorine ethofenprox has fabulous knocking down property to sanitary insect pest, plus the lethal effect of Permethrin, has significant synergistic effect in external environment preventing and treating sanitary insect pest, pharmacy application amount can be reduced, delays the generation of pest resistance to insecticide.
Description
Technical field
The present invention relates to a kind of insecticide, and in particular to a kind of Recompounded pesticide desinsection containing Permethrin and etrafluorine ethofenprox
Aqueous emulsion, and its application.
Background technology
For a long time, it is mostly chrysanthemum esters single dose to the space spray agent that public health insect uses, such as present WHO is still
In the adult mosquito that the ultra-low volume spray agent for promoting Permethrin is used to prevent and treat PE.These single doses it is long-term so that sanitary insect pest
Such as mosquito, fly, blattaria generate the different degrees of resistance to the action of a drug to part chrysanthemum esters medicament, and prevention effect substantially reduces.Portion simultaneously
Point space spray agent contains more organic solvent, is easily caused that smell is big, and environmental pollution is big when in use, and user is even because of ground
Solvent is more and falls down and damages, if but can cause that preventive effect declines again without big solvent when actually using, mainly solvent
In the presence of can improve medicine be vaporized and permeance property.Therefore it is contemplated that the compounding aqueous pesticide for developing a Permethrin is used
Preventing and treating public health insect is sprayed in space, by the scientific matching to two kinds of agricultural chemicals, can not only improve and sanitary insect pest is prevented
Effect is controlled, and the drug-fast generation of sanitary insect pest can be slowed down.Simultaneously by screening cosolvent and auxiliary agent, active compound is not only solved
Stability problem in water prescription, even more solves the problem that water prescription drug effect shows difference.
The content of the invention
An object of the present invention is：A kind of raising prevention effect is provided, is not likely to produce drug-fast compounded pesticides,
Solve current health pest control and used the resistance to the action of a drug caused by single medicament.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：
A kind of compound insecticidal aqueous emulsion is provided, by weight percentage, it by 2%~15% active insecticidal components, 5~
15% cosolvent, 3~15% emulsifying agent, 1~10% antifreezing agent, the water composition of 0.1~0.5% defoamer and surplus；Institute
The active insecticidal components stated are by Permethrin and etrafluorine ethofenprox with 1:20~30:1 weight forms than compounding；Described cosolvent
Selected from one or both of piperonyl butoxide, 1-METHYLPYRROLIDONE, tasteless kerosene, trimethylbenzene, durene or penta-methyl benzene with
On mixture.
The weight ratio preferably 1 of the Permethrin and etrafluorine ethofenprox:2~20:1.
The preferred piperonyl butoxide of described cosolvent, 1-METHYLPYRROLIDONE, tasteless kerosene, trimethylbenzene, durene or five
Any two or more mixture in toluene.
Described emulsifying agent is selected from phenyl phenol polyoxyethanyl ether phosphate (the 600# phosphoric acid of such as Jiangsu Kai Yuan Co., Ltds
Ester), the castor oil polyoxyethanyl ether phosphate castor oil phosphate ester of such as Hai'an petrochemical industry Co., Ltd (series), benzene sulfonamide
Sour calcium (such as the agriculture breast 500# of Nanjing Tai Hua Co., Ltds), APES are ((the petrochemical industry Co., Ltd pair of Hai'an
OP series), phenethyl phenol formaldehyde resin polyoxyethyl ether (such as peaceful newborn 36#), (Hai'an petrochemical industry has NPE
The NP series of limit company pair), the AEO MOA of Hai'an petrochemical industry Co., Ltd pair (series), castor oil gather
Oxygen vinethene (the EL series of Jiangsu Kai Yuan Co., Ltds), alkylaryl polyoxyethylene polyoxypropylene ether again (change very much limited public affairs in Nanjing
The 33# of department), alkylaryl polyoxyethylene polyoxyethyl ether (34# of Nanjing Tai Hua Co., Ltds), TWEEN Series (Sorbitan
Polyol fatty acid ester APEO) or Span series (sorbitan fatty acid ester) in two or more mixtures；It is preferred that
Castor oil polyoxyethanyl ether phosphate, alkyl benzene calcium sulfonate, NPE, alkylaryl polyoxyethylene polyoxyethanyl
Two or more mixtures in ether, castor oil polyoxyethylene ether, AEO, Span series and TWEEN Series.
The antifreezing agent is the one or more in ethylene glycol, propane diols, glycerine, urea, ammonium sulfate or sodium chloride；It is excellent
Select ethylene glycol, propane diols, glycerine or urea.
The defoamer is organosilicon compound, C8-10 aliphatic alcohols compound or C10-20 saturated fat acids
One or more in compound；It is preferred that organosilicon compound.
A kind of preferable compound insecticidal aqueous emulsion of the present invention, is comprised the following components in percentage by weight：
1.5-10% Permethrin, 0.5-3% etrafluorine ethofenprox, 5-15% cosolvent, 3~15% emulsifying agent, 1-10%
Antifreezing agent, 0.1-0.5% defoamer and the water of surplus；Described cosolvent is selected from piperonyl butoxide, N- crassitudes
Two or more mixtures in ketone, tasteless kerosene, trimethylbenzene, durene or penta-methyl benzene；Described emulsifying agent is selected from castor oil
Polyoxyethanyl ether phosphate, alkyl benzene calcium sulfonate, NPE, alkylaryl polyoxyethylene polyoxyethyl ether, castor
Two or more mixtures in sesame oil APEO, AEO, Span series and TWEEN Series.
The present invention preparation method be：According to the ratio, Permethrin and etrafluorine ethofenprox are dissolved in cosolvent, so
After put into emulsifying agent, stir, then go to and high speed shear is carried out in high speed shear kettle, added in shear history scattered
WATER AS FLOW MEDIUM, antifreezing agent and defoamer, finally obtain the compounding containing Permethrin and etrafluorine ethofenprox that outward appearance is milky white liquid
Preparation.
The present invention also provides application of the compound insecticidal aqueous emulsion in sanitary insect pest is prevented and treated.
Described sanitary insect pest includes mosquito, fly etc..
In disinsection aqueous emulsion of the present invention, Permethrin is a kind of lethal chrysanthemum ester compounds, and its mode of action is to tag and stomach
Based on poison, insecticidal spectrum is wide, can be used for preventing and treating cotton, vegetables, tealeaves, various pests on fruit tree, be particularly suitable for use in sanitary insect pest
Preventing and treating.
Etrafluorine ethofenprox knocks down activity for sanitary insect pest mosquito, fly, blattaria with remarkable, because it has high-vapor-pressure,
Sprayed especially suitable for external environment space, but it is not high for the killing activity of mosquito, fly.
The present invention is by the way that Permethrin and etrafluorine ethofenprox are compounded, and when preventing and treating sanitary insect pest, not only has and preferably hits
Effect, and killing activity is also higher.
Simple production process of the present invention, it is safe to use, compared to the use that missible oil reduces organic solvent, reduce to ring
The pollution in border, to more environment-friendly, there are fabulous knocking down property and lethal effect.Have in external environment preventing and treating sanitary insect pest aobvious
The synergistic effect of work, pharmacy application amount can be reduced, delay the drug-fast generation of sanitary insect pest.
Embodiment
Present invention is described further with reference to example.Percentage in following instance is in addition to having specified otherwise
Refer both to percentage by weight.
Formulation examples 1
By 3% Permethrin, 0.5% etrafluorine ethofenprox, it is dissolved in 5% front three benzene solvent and 2% piperonyl butoxide, then puts into
5% EL-30,2% agriculture breast 500#, stirring is abundant, is sheared with high-speed shearing emulsion machine, and 8% second is added in shear history
Glycol, 0.2% organic silicon defoamer, deionized water is supplied to 100%, finally obtains 3.5% Permethrin etrafluorine ethofenprox water and milk
Agent..
Formulation examples 2
4% Permethrin, 1% etrafluorine ethofenprox are dissolved in 6% front three benzene solvent, then put into 4% EL-30,3% agriculture
Newborn 500#, 3% Tween-80, stirring is abundant, is sheared with high-speed shearing emulsion machine, and 4% second two is added in shear history
Alcohol, 0.3% organic silicon defoamer, deionized water is supplied to 100%, finally obtains 5% Permethrin etrafluorine ethofenprox aqueous emulsion.
Formulation examples 3
By 4.5% Permethrin, 0.5% etrafluorine ethofenprox, it is dissolved in 5% tetramethyl benzene solvent and 3% tasteless kerosene, then puts into
4% EL-30,2% 600# phosphates, 5% Tween-80, stirring is abundant, is sheared with high-speed shearing emulsion machine, shears
During add 5% propane diols, 0.3% organic silicon defoamer, supply deionized water to 100%, finally obtain 5% Permethrin
Etrafluorine ethofenprox aqueous emulsion.
Formulation examples 4
By 6% Permethrin, 0.7% etrafluorine ethofenprox, be dissolved in 8% tetramethyl benzene solvent and in, then put into 4% NP-7,3%
Castor oil polyoxyethanyl ether phosphate, stirring is abundant, is sheared with high-speed shearing emulsion machine, and 4% is added in shear history
Urea, 0.3% organic silicon defoamer, deionized water is supplied to 100%, finally obtains 6.7% Permethrin etrafluorine ethofenprox water and milk
Agent.
Formulation examples 5
7% Permethrin, 1% etrafluorine ethofenprox are dissolved in 10% front three benzene solvent, then put into 5% OP-10,2%
Agriculture breast 34#, 1% agriculture breast 500#, stirring is abundant, is sheared with high-speed shearing emulsion machine, and 4% urine is added in shear history
Element, 0.5% organic silicon defoamer, supply deionized water to 100%, finally obtain 8% Permethrin etrafluorine ethofenprox aqueous emulsion.
Formulation examples 6
By 7.5% Permethrin, 1.2% etrafluorine ethofenprox, it is dissolved in 8% tetramethyl benzene solvent and 2% penta-methyl benzene, then puts into 3%
MOA-7,4% OP-10,3% 33#, stirring is abundant, is sheared with high-speed shearing emulsion machine, 3% is added in shear history
Ethylene glycol and 2% ammonium sulfate, 0.3% organic silicon defoamer, supply deionized water to 100%, finally obtain 8.7% Permethrin
Etrafluorine ethofenprox aqueous emulsion.
Formulation examples 7
By 6% Permethrin, 1.5% etrafluorine ethofenprox, it is dissolved in 6% penta-methyl benzene solvent and 5%N- methyl pyrrolidones, then
600# phosphates, 4% MOA-9 of input 4%, stirring is abundant, is sheared with high-speed shearing emulsion machine, adds in shear history
Enter 8% glycerine, 0.5% organic silicon defoamer, supply deionized water to 100%, finally obtain 7.5% Permethrin tetrafluoro ether
Chrysanthemum ester aqueous emulsion.
Formulation examples 8
By 10% Permethrin, 2% etrafluorine ethofenprox, it is dissolved in 10% penta-methyl benzene solvent and 3% tasteless kerosene, then puts into 4%
Arlacel-60 #, 3% MOA-7,3% 36#, stirring is abundant, is sheared with high-speed shearing emulsion machine, in shear history plus
Enter 3% propane diols and 2% sodium chloride, 0.5% organic silicon defoamer, supply deionized water to 100%, finally obtain 12% chlorine
Chrysanthemum ester etrafluorine ethofenprox aqueous emulsion.
Formulation examples 9
By 7% Permethrin, 1% etrafluorine ethofenprox, it is dissolved in 10% front three benzene solvent and 5% tasteless kerosene, then puts into 5%
OP-10,3% agriculture breast 34#, 1% agriculture breast 500#, stirring is abundant, is sheared with high-speed shearing emulsion machine, in shear history
5% ethylene glycol and 3% urea, 0.5% organic silicon defoamer is added, deionized water is supplied to 100%, finally obtains 8% chlorine chrysanthemum
Ester etrafluorine ethofenprox aqueous emulsion.
Formulation examples 10
By 10% Permethrin, 1% etrafluorine ethofenprox, it is dissolved in 10% penta-methyl benzene solvent and 5%N- methyl pyrrolidones, then
OP-10,4% EL-40 of input 6%, stirring is abundant, is sheared with high-speed shearing emulsion machine, and 8% is added in shear history
Propane diols and 2% glycerine, 0.5% organic silicon defoamer, deionized water is supplied to 100%, finally obtains 11% Permethrin
Etrafluorine ethofenprox aqueous emulsion.
Formulation examples 11
By 10% Permethrin, 0.5% etrafluorine ethofenprox, it is dissolved in 8% front three benzene solvent and 5% penta-methyl benzene, then puts into 3%
34#, 6% EL-60,3% Tween-60, stirring is abundant, is sheared with high-speed shearing emulsion machine, in shear history plus
Enter 6% glycerine and 1% ammonium sulfate, 0.5% organic silicon defoamer, supply deionized water to 100%, finally obtain 10.5%
Permethrin etrafluorine ethofenprox aqueous emulsion.
Formulation examples 12
By 1.5% Permethrin, 3% etrafluorine ethofenprox, it is dissolved in 8% penta-methyl benzene solvent and 4% piperonyl butoxide, then puts into
5% MOA-9,3% EL-60, stirring is abundant, is sheared with high-speed shearing emulsion machine, and 1% second two is added in shear history
Alcohol, 0.1% organic silicon defoamer, deionized water is supplied to 100%, finally obtains 4.5% Permethrin etrafluorine ethofenprox water and milk
Agent.
Formulation examples 13
By 8% Permethrin, 0.5% etrafluorine ethofenprox, it is dissolved in 8% front three benzene solvent and 3%N- methyl pyrrolidones, then
500#, 2% EL-30,2% 33# of input 5%, stirring is abundant, is sheared with high-speed shearing emulsion machine, in shear history
5% glycerine, 0.5% organic silicon defoamer is added, deionized water is supplied to 100%, finally obtains 8.5% Permethrin tetrafluoro
Ethofenprox aqueous emulsion.
Formulation examples 14
By 9.5% Permethrin, 0.5% etrafluorine ethofenprox, it is dissolved in 10% penta-methyl benzene solvent and 2% piperonyl butoxide, then
OP-10,3% 600# phosphates, 3% EL-60 of input 5%, stirring is abundant, is sheared, cut with high-speed shearing emulsion machine
5% glycerine and 2% sodium chloride, 0.5% organic silicon defoamer is added during cutting, supplies deionized water to 100%, finally
Obtain 10% Permethrin etrafluorine ethofenprox aqueous emulsion.
Formulation examples 15
By 2% Permethrin, 2.5% etrafluorine ethofenprox, it is dissolved in 3% front three benzene solvent and 3% piperonyl butoxide, then puts into
1.5% MOA-7,1% 34#, 0.5% EL-20, stirring is abundant, is sheared with high-speed shearing emulsion machine, shear history
The ethylene glycol and 5% urea, 0.5% organic silicon defoamer of middle addition 5%, supply deionized water to 100%, finally obtain 4.5%
Permethrin etrafluorine ethofenprox aqueous emulsion.
Formulation examples 16
By 1.5% Permethrin, 0.5% etrafluorine ethofenprox, it is dissolved in 5% front three benzene solvent and 2% piperonyl butoxide, then throws
Enter 5% EL-30,2% agriculture breast 500#, stirring is abundant, is sheared with high-speed shearing emulsion machine, and 8% is added in shear history
Ethylene glycol, 0.2% organic silicon defoamer, deionized water is supplied to 100%, finally obtains 2.0% Permethrin etrafluorine ethofenprox water
Emulsion.
Formulation examples 17
12% Permethrin, 3% etrafluorine ethofenprox are dissolved in 8% front three benzene solvent and 5% penta-methyl benzene, then put into 3%
34#, 6% EL-60,3% Tween-60, stirring is abundant, is sheared with high-speed shearing emulsion machine, is added in shear history
6% glycerine and 1% ammonium sulfate, 0.5% organic silicon defoamer, deionized water is supplied to 100%, finally obtains 15% chlorine chrysanthemum
Ester etrafluorine ethofenprox aqueous emulsion.
Application Example 1：Prevent and treat mosquito, fly indoor pharmacodynamic test
Test target：Culex pipiens pallens, the 3rd day~the 5th day female mosquito do not sucked blood after emergence；
Housefly, the adult of the 3rd day~the 5th day after emergence, female, male half and half；
Test method：With reference to GB/T13917.10-2009, the spraying of cage test space；
Test process：Formulation examples 1-10 dilutes 500 times；
Control sample 1：5% permethrin milk oil dilutes 500 times；
Control sample 2：5% etrafluorine ethofenprox missible oil dilutes 500 times；
Result of the test：
Indoor harmacological effect result shows that the single dose missible oil of control sample 1 is significantly worse than for mosquito, the drug effect of fly on down effect
Each formulation examples of the present invention；5% etrafluorine ethofenprox missible oil of control sample 2 is fine for mosquito, the down effect of fly, but it
Lethal effect is bad, and fatal rate is relatively low；The present invention formulation examples 1-10 in, not only its down effect is preferable, and also have compared with
High fatal rate (being shown in Table 1).
The formulation examples 1-10 of table 1 is for mosquito, the test of pesticide effectiveness of fly
Formulation examples 11~15 the identical test of pesticide effectiveness is done into further, down effect is good, and has higher cause
Dead rate.
Application Example 2：Permethrin and etrafluorine ethofenprox compounding Water emulsion and the missible oil formulation test of pesticide effectiveness
Test target：Culex pipiens pallens, the 3rd day~the 5th day female mosquito do not sucked blood after emergence；
Housefly, the adult of the 3rd day~the 5th day after emergence, female, male half and half；
Test method：With reference to GB/T13917.10-2009, the spraying of cage test space；
Test process：Respectively 500 times of the dilution of formulation examples 2, example 6 and example 10；
Control sample 1：The etrafluorine ethofenprox missible oil of 4% Permethrin+1% dilutes 500 times；
Control sample 2：The etrafluorine ethofenprox missible oil of 7.5% Permethrin+1.2% dilutes 500 times；
Control sample 3：The etrafluorine ethofenprox missible oil of 10% Permethrin+1% dilutes 500 times
Result of the test：
Indoor harmacological effect result shows, in the compound proportion of selection, Water emulsion of the invention exists for mosquito, the drug effect of fly
Knock down and lethal effect on it is all suitable with missible oil formulation, but because Water emulsion of the present invention has used less organic solvent, and
And using water as matrix, sprinkling after smell very little more friendly to environment compared to missible oil, brought after the sprinkling of no missible oil formulation compared with
Big organic solvent smell, while the preventive effect of the present invention can reach the drug effect of conventional missible oil formulation.Concrete outcome is shown in Table 2：
The test of pesticide effectiveness of the formulation examples 2,6 and 10 of table 2 with corresponding missible oil formulation for mosquito, fly
Application Example 3：The Permethrin of different cosolvents and the etrafluorine ethofenprox compounding water and milk test of pesticide effectiveness
Test target：Culex pipiens pallens, the 3rd day~the 5th day female mosquito do not sucked blood after emergence；
Housefly, the adult of the 3rd day~the 5th day after emergence, female, male half and half；
Test method：With reference to GB/T13917.10-2009, the spraying of cage test space；
Test process：Formulation examples 5 and respectively 500 times of the dilution of example 9；
Control sample 1：The cosolvent of example 5 replaces with 500 times of the water and milk dilution agent of dimethylbenzene；
Result of the test：
Pharmacodynamic results show, using the aqueous emulsion of cosolvent of the present invention compared with the aqueous emulsion that other cosolvents are prepared it is (real
Example 5 and control sample 1), aqueous emulsion of the present invention is all slightly better than the preparation of other cosolvents to mosquito, the down effect of fly and lethal effect
Aqueous emulsion；The aqueous emulsion of two kinds of cosolvents is selected in the present invention simultaneously than only selecting a kind of aqueous emulsion drug effect of cosolvent more preferable
(example 9 and example 5).Concrete outcome is shown in Table 3：
The Permethrin of 3 different cosolvents of table and etrafluorine ethofenprox compounding water and milk drug effect
Application Example 4：Permethrin compounds the measure to Culex pipiens pallens co-toxicity coefficient with etrafluorine ethofenprox
Formed with reference to the formula of formulation examples 3, prepare a series of Permethrin etrafluorine ethofenprox water of different compound proportions
The ratio of emulsion, wherein Permethrin and etrafluorine ethofenprox includes 30:1、20:1、10:1、2:1、1:1、1:2、1:10、1:20；Together
When prepare with concentration Permethrin and etrafluorine ethofenprox single dose aqueous emulsion.The test method and test process of reference application example 1,
By experiment target test, data of Culex pipiens pallens KT is calculated by the linear weighted function Return Law50Value and virulence regression equation, and refer to grandson
The abundant method of cloud calculates co-toxicity coefficient.By being calculated, insecticide of the invention is after being re-dubbed Water emulsion, for health
The prevention effect of insect has good synergistic effect.Concrete outcome is shown in Table 4 and table 5：
The Permethrin of table 4 and etrafluorine ethofenprox compounding aqueous emulsion experimental result (being directed to Culex pipiens pallens)
| Processing | Virulence regression equation | KT50min | 24h fatal rates |
| Permethrin (A) | Y=1.709X-0.008 | 14.18 | 90% |
| Etrafluorine ethofenprox (B) | Y=2.972X-1.717 | 3.03 | 36.7% |
| A:B=30:1 | Y=1.938X-0.592 | 11.02 | 96.7% |
| A:B=20:1 | Y=2.982X-2.72 | 6.47 | 96.7% |
| A:B=10:1 | Y=3.449X-3.51 | 4.88 | 100% |
| A:B=2:1 | Y=3.703X-3.425 | 3.15 | 100% |
| A:B=1:1 | Y=3.483X-3.046 | 3.41 | 100% |
| A:B=1:2 | Y=3.257X-2.38 | 3.07 | 100% |
| A:B=1:10 | Y=3.428X-2.755 | 3.05 | 93.3% |
| A:B=1:20 | Y=3.2X-2.195 | 2.95 | 93.3% |
The Permethrin of table 5 and etrafluorine ethofenprox compounding aqueous emulsion co-toxicity coefficient (being directed to Culex pipiens pallens)
As shown in table 5, Permethrin and etrafluorine ethofenprox ratio are 1:20~30:When 1, co-toxicity coefficient is all higher than 100, performance
Go out synergistic effect, and 20:1~1:When 2, there is notable synergistic effect.
Application Example 5：Permethrin and etrafluorine ethofenprox compounding Water emulsion emulsifying agent selection and stability test
Test method：Formulation samples are deposited 7 days for 14 days and 0 DEG C in 54 DEG C of storages respectively, whether observation sample occurs sternly
The abnormal conditions such as layering again, normal requirement allows a small amount of bleed, no more than total amount 5%.
Control sample 1：By 4% Permethrin, 1% etrafluorine ethofenprox, it is dissolved in 6% front three benzene solvent, then puts into 10%EL-
30, stirring is abundant, is sheared with high-speed shearing emulsion machine, adds 4% ethylene glycol in shear history, 0.3% organosilicon disappears
Infusion, deionized water is supplied to 100%, finally obtains 5% Permethrin etrafluorine ethofenprox aqueous emulsion.
Control sample 2：By 6% Permethrin, 1.5% etrafluorine ethofenprox, 6% penta-methyl benzene solvent and 5%N- crassitudes are dissolved in
In ketone, 8% 600# phosphates are then put into, stirring is abundant, is sheared with high-speed shearing emulsion machine, is added in shear history
8% glycerine, 0.5% organic silicon defoamer, deionized water is supplied to 100%, finally obtains 7.5% Permethrin tetrafluoro ether chrysanthemum
Ester aqueous emulsion.
Test process：Formulation examples 2, formulation examples 7, control sample 1, control sample 2 are together tried according to test method
Test, as a result preparation stabilization of the invention, lamination occurs with a kind of emulsifying agent.Situation such as following table：
The Permethrin of table 6 and etrafluorine ethofenprox compounding Water emulsion emulsifying agent selection and stability test
| Processing | 54 DEG C are deposited 14 days | 0 DEG C is deposited 7 days |
| Formulation examples 2 | It is stable, no condensate oil and layering | It is stable, no layering and precipitation |
| Formulation examples 7 | It is stable, no condensate oil and layering | It is stable, no layering and precipitation |
| Control sample 1 | Layering | Layering |
| Control sample 2 | Layering | Layering |
In summary, the present invention is the complex preparation containing Permethrin and etrafluorine ethofenprox, is environmentally friendly water and milk
Formulation, reduce the use of organic solvent, reduce the pollution to environment, have to sanitary insect pest mosquito, fly during use faster
Down effect, while also have preferable lethal effect, there is notable synergistic effect during pest control, can effectively delay to defend
The generation of raw pest resistance to insecticide.
Claims (9)
- A kind of 1. compound insecticidal aqueous emulsion, it is characterised in that：By weight percentage, it by 2%~15% insecticidal activity into Point, 5~15% cosolvent, 3~15% emulsifying agent, 1~10% antifreezing agent, 0.1~0.5% defoamer and surplus Water forms；Described active insecticidal components are by Permethrin and etrafluorine ethofenprox with 1:20~30:1 weight forms than compounding；Institute The cosolvent stated in piperonyl butoxide, 1-METHYLPYRROLIDONE, tasteless kerosene, trimethylbenzene, durene or penta-methyl benzene one Kind or two or more mixtures.
- 2. the compound insecticidal aqueous emulsion described in claim 1, it is characterised in that：In described active insecticidal components, Permethrin and The weight ratio of etrafluorine ethofenprox is 1:2~20:1.
- 3. the compound insecticidal aqueous emulsion described in claim 1, it is characterised in that：Described cosolvent is piperonyl butoxide, N- first Two or more any mixture in base pyrrolidones, tasteless kerosene, trimethylbenzene, durene or penta-methyl benzene.
- 4. the compound insecticidal aqueous emulsion described in claim 1, it is characterised in that：Described emulsifying agent is selected from phenyl phenol polyoxyethanyl Ether phosphate, castor oil polyoxyethanyl ether phosphate, alkyl benzene calcium sulfonate, APES, phenethyl phenol formaldehyde tree Fat polyoxyethyl ether, NPE, AEO, castor oil polyoxyethylene ether, alkylaryl polyoxy It is two or more mixed in propylene APEO, alkylaryl polyoxyethylene polyoxyethyl ether, TWEEN Series or Span series Compound.
- 5. the compound insecticidal aqueous emulsion described in claim 1, it is characterised in that：The antifreezing agent is ethylene glycol, propane diols, the third three One or more in alcohol, urea, ammonium sulfate or sodium chloride.
- 6. the compound insecticidal aqueous emulsion described in claim 1, it is characterised in that：The defoamer is organosilicon compound, C8- One or more in 10 aliphatic alcohols compounds or C10-20 saturated fat acid compounds.
- 7. the compound insecticidal aqueous emulsion described in claim 1, it is characterised in that：It is comprised the following components in percentage by weight： 1.5-10% Permethrin, 0.5-3% etrafluorine ethofenprox, 5-15% cosolvent, 3~15% emulsifying agent, 1-10% Antifreezing agent, 0.1-0.5% defoamer and the water of surplus；Described cosolvent be selected from piperonyl butoxide, 1-METHYLPYRROLIDONE, Mixture more than one or both of tasteless kerosene, trimethylbenzene, durene or penta-methyl benzene；Described emulsifying agent is selected from castor-oil plant Oily polyoxyethanyl ether phosphate, alkyl benzene calcium sulfonate, NPE, alkylaryl polyoxyethylene polyoxyethyl ether, Two or more mixtures in castor oil polyoxyethylene ether, AEO, Span series and TWEEN Series.
- 8. application of the compound insecticidal aqueous emulsion in sanitary insect pest is prevented and treated described in claim 1.
- 9. the application described in claim 8, it is characterised in that：Described sanitary insect pest is mosquito, fly.
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| CN111374145A (en) * | 2018-12-27 | 2020-07-07 | 江苏扬农化工股份有限公司 | Compound insecticidal water emulsion containing cyfluthrin and tefluthrin and application thereof |
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| CN1784971A (en) * | 2004-12-08 | 2006-06-14 | 辽宁奥克化学集团有限公司 | Aqueous emulsion of synthetic pyrethroid insecticide and its prepn. method |
| CN101953366A (en) * | 2010-05-28 | 2011-01-26 | 深圳诺普信农化股份有限公司 | Tetraflumethrin and deltamethrin-containing composition and application thereof |
| CN102630699A (en) * | 2012-04-01 | 2012-08-15 | 江苏扬农化工股份有限公司 | Compound insecticidal preparation containing d-trans-prallethrin chloride and application thereof |
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| CN1784971A (en) * | 2004-12-08 | 2006-06-14 | 辽宁奥克化学集团有限公司 | Aqueous emulsion of synthetic pyrethroid insecticide and its prepn. method |
| CN101953366A (en) * | 2010-05-28 | 2011-01-26 | 深圳诺普信农化股份有限公司 | Tetraflumethrin and deltamethrin-containing composition and application thereof |
| CN102630699A (en) * | 2012-04-01 | 2012-08-15 | 江苏扬农化工股份有限公司 | Compound insecticidal preparation containing d-trans-prallethrin chloride and application thereof |
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