CN109258680A - A kind of water base aerosol of homogeneous phase transparent and preparation method thereof - Google Patents
A kind of water base aerosol of homogeneous phase transparent and preparation method thereof Download PDFInfo
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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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- 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
- A01N25/02—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 containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
- A01N25/06—Aerosols
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Abstract
The invention discloses water base aerosols of a kind of homogeneous phase transparent and preparation method thereof, belong to hygienic dissipation technical field.The aerosol is compounded by pyrethroid ester microemulsion with propellant；Pyrethroid ester microemulsion is made of raw material from the following weight: 1-2 parts of dtetramethrin, 0.3-1 parts of d-phenothrin, 1-2 parts of Permethrin, 1-3 parts of synergist, 0.5-2 parts of cosolvent, 0.5-2 parts of essence, 0.5-3 parts of corrosion inhibiter, 50-150 parts of alcoholic solvent and 50-150 parts of deionized water；Alcoholic solvent is propyl alcohol；Propellant is dimethyl ether, and the dosage of propellant is 120-200 parts.Using the microemulsion technology of surfactant-free, aerosol homogeneous phase transparent can be made to clarify, without flocculation, it is not stratified, it need not be shaken before use, improve user experience, reaching nanoscale microemulsion makes that the spout of insect aerosol is not blistering, atomizing effect is good, interruption use will not plug nozzle, ejection liquid-based originally leaves no trace.
Description
Technical field
The present invention relates to hygienic dissipation technical fields, and in particular to a kind of water base aerosol of homogeneous phase transparent and its preparation side
Method.
Background technique
Currently, the use of relatively broad still solvent naphtha being that the oil base of solvent kills in household hygienic biocide aerosol sectors
Worm aerosol, also a small amount of water-base pesticide aerosols.The shortcomings that oil-based aerosol be by spraying after easily leave oil trace in body surface；
In addition, oil-based aerosol is also unfavorable for environmental protection；Oil-based aerosol is by GB20578-2006 " chemicals classification, warning label simultaneously
Illustrate safety standard flammable aerosol with warning " in classification be 1 class dangerous material, it is inflammable and explosive, have security risk.
In order to solve the disadvantage of oil base insect aerosol, while the environmental requirement to grow with each passing hour is adapted to, insect aerosol is raw
It produces enterprise and develops water-base pesticide aerosols product and related water-base pesticide aerosols patent to associated mechanisms.Such as application No. is CN
03132279.4(water-base pesticide aerosols), application No. is the homogeneous heavy duty detergent water of the low VOC content of CN 201210142856.3(
Base insect aerosol) etc. patents.Such as application No. is the patents of CN03132279.4 to provide a kind of matching for water-base pesticide aerosols
, but also there is the limitation of common water-base pesticide aerosols in side, content liquid be not it is homogeneous, be long placed in liquid layered, use
Before need to shake, user experience it is bad (user use oil base insect aerosol when, Direct spraying use has become habit)；Spraying
When, spout is easier to blister.Such as application No. is 201210142856.3 patents to provide a kind of the homogeneous of low VOC content
The formula of heavy duty detergent water-base pesticide aerosols solves the problems, such as the liquid layered that is long placed in of common water-base pesticide aerosols, but
Or added with a small amount of emulsifier component, content fluid molecule is not up to the rank of nanoscale microemulsion molecule, is being atomized
When be still lacking.
In addition, the pesticide compositional of pyrethroid can usually be reduced to spraying at microemulsion in the prior art
Grain size and promoted active constituent utilization rate, as the patent application No. is CN97180681.0 disclose it is a kind of knock down crawler
Thus method turns its back this method comprises: spraying microemulsion to the appearance of crawler；Wherein the microemulsion includes
20% and the hydrocarbon solvent lower than 60% higher than the microemulsion weight, the surfactant and at least for accounting for microemulsion weight 1-20%
Account for the water of microemulsion weight 10%；Wherein the microemulsion does not conform to any synthetic pyrethroid selected from insecticidal activity, natural
Dalmatian chrysanthemum, organophosphorus ester, carbamate, chlorohydrocarbon and heterocycle compound.Not only contain surfactant in the patent,
And the dosage of organic solvent is especially big.As the patent application No. is CN03131810.X disclose it is a kind of for rice and wild cabbage
Synergistic monosultap microemulsion, by Cupric sulfate soluble powder, synergist diesel oil and 1- orthododecyl nitrogen heterocyclo heptane-2-ketone, table
Face activating agent calcium dodecyl benzene sulfonate, alkyl phenol formaldehyde resin polyoxyethylene ether, alkylphenol-polyethenoxy (10) ether and polyoxy
Ethylene (20) sorbitan monostearate, antifreeze glycol and diluent water are combined into oil-in-water type by certain weight ratio
Microemulsion.Contain a large amount of emulsifier in the spray.
Aforementioned microemulsion solution generally uses active constituent, emulsifier, assistant for emulsifying agent, oil mutually to constitute with water, and emulsifier is usual
For surfactant.But aforementioned formula also there is a problem that
(1) micro emulsion balance may be destroyed after propellant is added, place layering, muddy or flocculation after a period of time, cause using
When need to rock aerosol can, atomizing nozzle can be blocked after a period of use.
(2) addition of emulsifier is not only easy to produce using the viscosity of product can be made to rise, and it is long to stir and evenly mix the time, stirs
The process of mixing is also easy to produce foam, and spout is also easy to spume when spraying.
(3) a large amount of additions of oily hydrocarbon solvent, spray the easy trace of liquid.
(4) higher cost of emulsifier, assistant for emulsifying agent and a large amount of petroleum hydrocarbon solvent etc..
Summary of the invention
One of the objects of the present invention is to provide a kind of water base aerosols of homogeneous phase transparent, using the micro emulsion of surfactant-free
Liquid (SFME) technology can make the transparent clarification of content liquid homogeneous phase of water-base pesticide aerosols, no flocculation, not stratified, use
Before need not shake, improve user experience；Meanwhile the dosage of water is increased, reduce the ratio of combustibles；Surfactant-free,
Reaching nanoscale microemulsion makes that the spout of insect aerosol is not blistering, atomizing effect is good, interruption use will not plug nozzle, spray
Liquid originally leaves no trace out.The second object of the present invention is to provide the preparation side of the water base aerial fog pesticide of aforementioned homogeneous phase transparent
Method, preparation difficulty is low, not blistering in preparation process.The technical solution is as follows:
On the one hand, the present invention provides a kind of water base aerosols of homogeneous phase transparent, are compounded by pyrethroid ester microemulsion with propellant
It forms.Wherein, pyrethroid ester microemulsion is made of raw material from the following weight: 1-2 parts of dtetramethrin, dextrorotation phenylate cyanogen chrysanthemum
0.3-1 parts of ester, 1-2 parts of Permethrin, 1-3 parts of synergist, 0.5-2 parts of cosolvent, 0.5-2 parts of essence, 0.5-3 parts of corrosion inhibiter, alcohol
50-150 parts and deionized water 50-150 parts of solvent.Wherein, alcoholic solvent is propyl alcohol；Propellant is dimethyl ether, the dosage of propellant
It is 120-200 parts, dimethyl ether will not destroy the micro emulsion balance of pyrethroid ester microemulsion.
Wherein, the percent of total content of dtetramethrin, d-phenothrin and Permethrin needs to consider to meet country
The dosage of standard, propellant is added according to actual needs, needs to consider Multiple factors, first is that consider the hundred of insecticidal constituent
Divide content, second is that atomisation pressure is considered, third is that consider that the maximum of aerosol can bears pressure (specifically seeing material).
It is found by the applicant that the raw materials such as dtetramethrin, d-phenothrin and Permethrin specific solvent (propyl alcohol with
Water is by a certain percentage) in self-emulsifying can occur obtain microemulsion and micro emulsion body will not be destroyed after specific propellant is added
System.And other alcohol and raw material of the invention cannot or the desired concentration of this patent under can not form microemulsion solution.
Preferably, water base aerosol provided by the invention is compounded by pyrethroid ester microemulsion with propellant.Wherein,
Pyrethroid ester microemulsion is made of raw material from the following weight: 1.5-2 parts of dtetramethrin, d-phenothrin 0.4-
0.8 part, 1.5-2 parts of Permethrin, 1.2-3 parts of synergist, 0.5-1 parts of cosolvent, 0.8-1.5 parts of essence, 2-2.5 parts of corrosion inhibiter,
100-150 parts and deionized water 100-150 parts of alcoholic solvent.Wherein, alcoholic solvent is propyl alcohol；Propellant is dimethyl ether, propellant
Dosage is 140-170 parts.
Wherein, the synergist in the present embodiment is ethers synergist, and killing for pyrethroid insecticides can be improved
Worm effect and it will not influence microemulsion system, and common amine or esters synergist will affect micro emulsion effect.Ethers synergist is also
It with certain solvent action, while being also efficient synergist.Synergist is specially oxidation of piperonyl butoxide.
Wherein, cosolvent is selected from one of nutmeg isopropyl ester and tributyl citrate (TBC) etc. or a variety of, for making
Raw medicine is accelerated (it is (not soluble in water and have larger viscous to refer mainly to dtetramethrin, d-phenothrin and Permethrin when standby
Property)) dissolution.Preferably, cosolvent is tributyl citrate, forms stable microemulsion system with other raw materials.
Wherein, the corrosion inhibiter in the present embodiment is that sodium benzoate and sodium nitrite compound, sodium benzoate and sodium nitrite
Mass ratio is 1.0-1.5:1.
Preferably, the alcoholic solvent in the present embodiment is normal propyl alcohol.
Wherein, the essence in the present embodiment is essence used in pesticide spray in the prior art.
It is highly preferred that water base aerosol provided by the invention is compounded by pyrethroid ester microemulsion with propellant.Its
In, pyrethroid ester microemulsion is made of raw material from the following weight: 1.6-1.8 parts of dtetramethrin, d-phenothrin
0.5-0.65 parts, 1.6-1.8 parts of Permethrin, 2.4-2.8 parts of oxidation of piperonyl butoxide, 0.8-0.9 parts of tributyl citrate, essence
0.8-1.5 parts, 1.7-2.4 parts of corrosion inhibiter, 120-150 parts of n-butanol and 120-150 parts of deionized water；With the sodium benzoate of compounding
It is corrosion inhibiter with sodium nitrite, the mass ratio of sodium benzoate and sodium nitrite is 1.2-1.4:1；Propellant is dimethyl ether, is promoted
The dosage of agent is 140-170 parts.
On the other hand, the present invention also provides the preparation methods of the water base aerosol of aforementioned homogeneous phase transparent, should include following step
It is rapid:
(1) dtetramethrin, d-phenothrin, Permethrin, synergist and cosolvent are stirred according to the ratio.
(2) mixed liquor that essence and step (1) obtain is dissolved in alcoholic solvent according to the ratio, is stirred and evenly mixed.
(3) corrosion inhibiter is added in deionized water according to the ratio, is stirred and evenly mixed.
(4) solution that step (3) obtains is slowly added into the solution that step (2) obtains according to the ratio, is stirred and evenly mixed
To pyrethroid ester microemulsion, then the microemulsion obtained is filling again after can storing, and can also directly use.
(5) it by pyrethroid ester microemulsion tinning that step (4) obtains and dimethyl ether is added according to the ratio obtains aerosol.
Preferably, method includes the following steps:
(1) according to the ratio by dtetramethrin, d-phenothrin, Permethrin, tributyl citrate and oxidation of piperonyl butoxide
It is stirred；
(2) mixed liquor that essence and step (1) obtain is dissolved in normal propyl alcohol according to the ratio, is stirred and evenly mixed；
(3) sodium benzoate and sodium nitrite are added in deionized water according to the ratio, are stirred and evenly mixed；
(4) solution that step (3) obtains is slowly added into the solution that step (2) obtains according to the ratio, stirs and evenly mixs and is intended
Pyrethrins microemulsion；
(5) it by pyrethroid ester microemulsion tinning that step (4) obtains and dimethyl ether is added according to the ratio obtains aerosol.
The water base aerosol of homogeneous phase transparent provided by the invention uses microemulsion (SFME) technology of surfactant-free, can be with
Spray after making the pyrethroid ester microemulsion containing insecticidal constituent and addition propellant is microemulsion, obtained desinsection gas
The transparent clarification of content liquid homogeneous phase of mist agent, it is no to flocculate, is not stratified, it need not be shaken before use, improve user experience.Without surface
Activating agent, reaching nanoscale microemulsion makes that the spout of insect aerosol is not blistering, atomizing effect is good, and interruption use will not block
Nozzle sprays liquid-based and originally leaves no trace.Through overtesting, tank body does not corrode, efficacy stability, places stable system for a long time.
Detailed description of the invention
Fig. 1 is glass aerosol test tubes pictorial diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention is made below further
Ground detailed description.
Embodiment 1
Embodiment 1 provides a kind of water base aerosol of homogeneous phase transparent, formula material composition are as follows: dtetramethrin 1.6kg, dextrorotation
0.53 kg of cyphenothrin, 1.6 kg of Permethrin, 2.4 kg of oxidation of piperonyl butoxide, TBC0.8 kg, 1.0 kg of essence, benzene first
Sour 0.98 kg of sodium, 0.80 kg of sodium nitrite, 120.8 kg of normal propyl alcohol, deionized water 123.2 kg and dimethyl ether 165kg.
Preparation method is
(1) by the oil-soluble raw material such as dtetramethrin, d-phenothrin, Permethrin, Butacide, TBC, essence by formula
Parts by weight weigh and mix, be dissolved in normal propyl alcohol, stir evenly to form clear solution.
(2) weight according to the ratio of sodium benzoate and sodium nitrite is dissolved in deionized water, stir evenly to be formed it is transparent molten
Liquid.
(3) solution (2) is slowly added in the solution (1) stirred；Continue stirring and forms transparent uniform no surface
The micro-emulsion solution of activating agent, i.e. SFME solution.
(4) by configured aerosol microemulsion, weight is filled into tank according to a conventional method and suitably, capping, is filled with appropriate
Dimethyl ether be propellant to get finished product homogeneous phase transparent water-base pesticide aerosols.
Embodiment 2
Embodiment 2 provides a kind of water base aerosol of homogeneous phase transparent, formula material composition are as follows: dtetramethrin 1.8kg, dextrorotation benzene
Ether Cyano chrysanthemate 0.62kg, Permethrin 1.8kg, 2.8 kg of oxidation of piperonyl butoxide, TBC0.9kg, essence 1.0kg, sodium benzoate
1.4 kg, sodium nitrite 1.0kg, 143 kg of normal propyl alcohol, deionized water 146kg and with dimethyl ether 168kg.Preparation method with
Embodiment 1 is identical.
Embodiment 3
Embodiment 3 provides a kind of water base aerosol of homogeneous phase transparent, formula material composition are as follows: dtetramethrin 1.5kg, dextrorotation
0.8 kg of cyphenothrin, 1.5 kg of Permethrin, 3.0 kg of oxidation of piperonyl butoxide, nutmeg isopropyl ester 0.5kg, essence 1.2
Kg, sodium benzoate 1.5kg, sodium nitrite 1.4kg, 95.3 kg of normal propyl alcohol, deionized water 147.0kg and dimethyl ether 138kg.Its
Preparation method is same as Example 1.
Test example
1, micro emulsion is verified
1.1 contain the microemulsion that step (3) obtains in embodiment 1-3 with glass aerosol container test tube, are filled with according to the ratio appropriate
Propellant (being separately added into equivalent dimethyl ether and the third butane), observing it, the results are shown in Table 1:
Table 1
| Dimethyl ether | Third butane | |
| Example 1 | Clear | Layering |
| Example 2 | Clear | Layering |
| Example 3 | Clear | Layering |
From table, dimethyl ether is added in pyrethroid ester microemulsion in the present invention is not in layering to can be seen that, and is added
Entering the third butane as propellant will appear layering.Wherein, the observation result for the spray that embodiment 1 provides is as shown in Figure 1, can be with
Find out that it is homogeneous and transparent yellow solution, no precipitating, also without layering；Under acceleration environment (50 DEG C or so), place 14 days
State is unchanged afterwards.
1.2 observe the pyrethroid ester microemulsion that embodiment 1-3 is provided using transmission electron microscope: transmission electron microscope is put
Big multiple is 20000 times, and the micro emulsion sphere uniform in rounding, size are concentrated mainly on 20-80nm as the result is shown, and mean size exists
35.7nm or so.Electronic Speculum observation is carried out to the aerosol that embodiment 1 obtains, is also microemulsion solution, droplet size distribution such as table 2
It is shown:
Table 2
| Partial size (nm) | < 10 | 10-20 | 20-30 | 30-60 | 60-80 | 80-90 | 90-100 | > 100 |
| Percentage accounting (%) | 0 | 6.8 | 25.6 | 39 | 19.7 | 5.8 | 2.6 | 0.5 |
The spray of other embodiments also uses transmission electron microscope observing, is similarly micro emulsion state.But it if is obtained in step (3)
Micro-emulsion solution in be filled with the third butane, micro emulsion balance is destroyed, and with transmission electron microscope observing, size droplet diameter becomes larger.
The ratio (total dosage is constant) of water and normal propyl alcohol, increases with the ratio of dampening and alcohol in 1.3 adjustment embodiment 1-3,
There is muddiness-clarification-muddiness variation in pyrethroid ester microemulsion.
2, drug effect is verified
Indoor pharmacodynamic test method: according to GB/T 13917.2-2009 " agriculture chemical registration hygienic insecticide indoor pharmacodynamic test and
Evaluate part 2: aerosol " pertinent regulations execute, wherein embodiment number 1 and 2 be respectively Examples 1 and 2 offer spray
Mist agent, the conventional sample number 1 that produces is the spray that our company uses conventional formulation production, and number 2 is commercial product.
2.1 insect aerosols (water base) are as shown in table 3 to Culex quinquefasciatus indoor harmacological effect measurement result:
Table 3
2.2 insect aerosols (water base) are as shown in table 4 to Groton bug indoor harmacological effect:
Table 4
The spray that the insecticidal effect and conventional formulation that can be seen that obtained spray of the invention from table 3 and table 4 obtain
Insecticidal effect is essentially identical, meets national standard.
3, stability
3.1 accelerated stability test
Through overtesting, after the heat storage 14 days of 50 DEG C of the water base aerosol of homogeneous phase transparent of the invention, before content color, state and heat storage
Without significant difference, tank interior has no rusty stain.
3.2 standard stability trials
The embodiment 1-3 spray provided is placed in drug preparation stability analyzer, set temperature is 30 ± 5 DEG C, relatively
Humidity is 60 ± 10%.Totally 13 groups of data are sampled respectively at the 0th, 0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,5.5 and June,
Size, the content of effective component and the every spray discharge rate of drop are detected, while observing atomizing nozzle, while each experimental design two right
According to (shaking flask and spraying preceding not shaking flask before spraying).From the results, it was seen that in 13 groups of data, in each control droplet size ±
Variation in 3.6%, the variation in ± 3.5% of the content of effective component, the variation in ± 1.7% of every spray discharge rate can be with basic comprehension
Unchanged (experimental enviroment and test error).Two groups of contrasting datas have certain difference (shaking flask is slightly higher), but distinguish within 5%,
Insecticidal effect is influenced little.Bottleneck non-foam and residual when every time by spraying, 130 (every group of two controls, each controls 5
(embodiment 1 two, embodiment 2 two, embodiment 3 one) in parallel) it is spraying without clogging, after spraying sampling plate sampling certainly
So remained without trace after drying.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of water base aerosol of homogeneous phase transparent, which is characterized in that compounded by pyrethroid ester microemulsion with propellant；
The pyrethroid ester microemulsion is made of raw material from the following weight: 1-2 parts of dtetramethrin, d-phenothrin
0.3-1 parts, 1-2 parts of Permethrin, 1-3 parts of synergist, 0.5-2 parts of cosolvent, 0.5-2 parts of essence, 0.5-3 parts of corrosion inhibiter, alcohol it is molten
50-150 parts and deionized water 50-150 parts of agent, the alcoholic solvent is propyl alcohol；The propellant is dimethyl ether, the propellant
Dosage is 120-200 parts.
2. the water base aerosol of homogeneous phase transparent according to claim 1, which is characterized in that by pyrethroid ester microemulsion with push away
It is compounded into agent；
The pyrethroid ester microemulsion is made of raw material from the following weight: 1.5-2 parts of dtetramethrin, dextrorotation phenylate cyanogen chrysanthemum
0.4-0.8 parts of ester, 1.5-2 parts of Permethrin, 1.2-3 parts of synergist, 0.5-1 parts of cosolvent, 0.8-1.5 parts of essence, corrosion inhibiter 2-
2.5 parts, 100-150 parts of alcoholic solvent and 100-150 parts of deionized water, the alcoholic solvent are propyl alcohol；The propellant is dimethyl ether,
The dosage of the propellant is 140-170 parts.
3. the water base aerosol of homogeneous phase transparent according to claim 1, which is characterized in that the synergist is oxidation piperonyl
Butyl ether.
4. the water base aerosol of homogeneous phase transparent according to claim 1, which is characterized in that it is different that the cosolvent is selected from nutmeg
One of propyl ester and tributyl citrate are a variety of.
5. the water base aerosol of homogeneous phase transparent according to claim 1, which is characterized in that the corrosion inhibiter be sodium benzoate and
The mass ratio of sodium nitrite, the sodium benzoate and sodium nitrite is 1.0-1.5:1.
6. the water base aerosol of homogeneous phase transparent according to claim 1, which is characterized in that the alcoholic solvent is normal propyl alcohol.
7. the water base aerosol of homogeneous phase transparent according to claim 1, which is characterized in that by pyrethroid ester microemulsion with push away
It is compounded into agent；
The pyrethroid ester microemulsion is made of raw material from the following weight: 1.6-1.8 parts of dtetramethrin, dextrorotation phenylate cyanogen
0.5-0.65 parts of pyrethroids, 1.6-1.8 parts of Permethrin, 2.4-2.8 parts of oxidation of piperonyl butoxide, 0.8-0.9 parts of tributyl citrate,
0.8-1.5 parts of essence, 1.7-2.4 parts of corrosion inhibiter, 120-150 parts of normal propyl alcohol and 120-150 parts of deionized water, the corrosion inhibiter are
The mass ratio of sodium benzoate and sodium nitrite, the sodium benzoate and sodium nitrite is 1.2-1.4:1；The propellant is diformazan
Ether, the dosage of the propellant are 140-170 parts.
8. a kind of preparation method of the water base aerosol of homogeneous phase transparent, which comprises the following steps:
(1) dtetramethrin, d-phenothrin, Permethrin, synergist and cosolvent are stirred according to the ratio；
(2) mixed liquor that essence and step (1) obtain is dissolved in alcoholic solvent according to the ratio, is stirred and evenly mixed；
(3) corrosion inhibiter is added in deionized water according to the ratio, is stirred and evenly mixed；
(4) solution that step (3) obtains is added in the solution that step (2) obtains according to the ratio, stirs and evenly mixs to obtain quasi- deinsectization
Pyrethroids microemulsion；
(5) it by pyrethroid ester microemulsion tinning that step (4) obtains and dimethyl ether is added according to the ratio obtains aerosol.
9. preparation method according to claim 8, which comprises the following steps:
(1) according to the ratio by dtetramethrin, d-phenothrin, Permethrin, tributyl citrate and oxidation of piperonyl butoxide
It is stirred；
(2) mixed liquor that essence and step (1) obtain is dissolved in normal propyl alcohol according to the ratio, is stirred and evenly mixed；
(3) sodium benzoate and sodium nitrite are added in deionized water according to the ratio, are stirred and evenly mixed；
(4) solution that step (3) obtains is added in the solution that step (2) obtains according to the ratio, stirs and evenly mixs to obtain quasi- deinsectization
Pyrethroids microemulsion；
(5) it by pyrethroid ester microemulsion tinning that step (4) obtains and dimethyl ether is added according to the ratio obtains aerosol.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113207876A (en) * | 2021-05-19 | 2021-08-06 | 中山榄菊日化实业有限公司 | Water-based insecticidal aerosol and preparation method thereof |
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| CN113207876A (en) * | 2021-05-19 | 2021-08-06 | 中山榄菊日化实业有限公司 | Water-based insecticidal aerosol and preparation method thereof |
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