CN109221113A - Ethofenprox electrostatic oil agent and preparation method thereof - Google Patents
Ethofenprox electrostatic oil agent and preparation method thereof Download PDFInfo
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- CN109221113A CN109221113A CN201810828548.3A CN201810828548A CN109221113A CN 109221113 A CN109221113 A CN 109221113A CN 201810828548 A CN201810828548 A CN 201810828548A CN 109221113 A CN109221113 A CN 109221113A
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- oil agent
- electrostatic oil
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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
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/08—Oxygen or sulfur directly attached to an aromatic ring system
- A01N31/14—Ethers
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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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- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Dispersion Chemistry (AREA)
- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
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Abstract
The present invention relates to ethofenprox electrostatic oil agents and preparation method thereof, using glycol acetate and/or modified urethane as solvent, ethofenprox electrostatic oil agent is grouped as by the group of following weight percentage: ethofenprox 0.5%~30%, cosolvent 2%~20%, surplus is glycol acetate and/or modified urethane as solvent, the conductivity of electrostatic oil agent provided by the invention greatly improves, the blade deposition and the uniformity of the spraying droplet of electrostatic oil agent dramatically increase, and then significantly improve the utilization rate of pesticide, reduce the amount of application of pesticide, and environmental pollution is smaller, it can be in practice for preventing and treating crop pests, improve plant products.
Description
Technical field
The present invention relates to technical field of pesticide, and in particular to ethofenprox electrostatic oil agent and preparation method thereof.
Background technique
Ethofenprox (ethofenprox) has similarity without chrysanthemumic acid but because of space structure and pyrethroid in the structure,
So the insecticide of still referred to as similar pyrethroid, the advantages of belonging to ethers, but had both plan worm chrysanthemum ester pesticide, tool
Have insecticidal spectrum is wide, insecticidal activity is high, it is fast to knock down speed, the residual period is long, to crop safety the features such as.The medicine is suitable for rice, vegetable
On dish, cotton, for preventing and treating Lepidoptera, Semiptera, coleoptera, Diptera, Orthoptera and Isoptera pest, such as brown lice, white
Backward flight lice, rice green leafhopper, bollworm, pink bollworm, black peach aphid, melon aphid, trialeurodes vaporariorum, cabbage caterpillar, Euproctis pseudoconspersa, tea geometrid, Iragoides fasciata, peach
With oriental fruit months, phyllocnistis citrella stainton, cigarette beetle, diamondback moth, corn borer, pink rice borer, eating-core bean worm etc..
Electrostatic oil agent is one kind of pesticidal preparations dosage form, it is low by selective volatilization, flash-point is high, it is high to raw medicine dissolubility,
Organic solvent lower to chemical injury of crops, that viscosity is low is prepared, without adding water when electrostatic oil agent is administered, generally without addition
Other organic solvents, but directly applied with electrostatic sprayer.Electrostatic Spraying technique is to apply high-pressure electrostatic in spray head and be sprayed
Establish an electrostatic field between target, and liquid pesticide flows through after spray head is atomized under electrostatic field, passes through different charging sides
Method is filled with charge, forms group's charged droplets, then under the synergy of electrostatic field force and other external force, droplet is oriented
Each position of target is moved and is adsorbed on, it is good to reach that deposition efficiency is high, float of mist droplet scatters and disappears less, improves the ecological environment etc.
Performance.
In general, compared to the traditional formulations of pesticide and application method, electrostatic spray finish is had the advantage that
1, electrostatic spray, which has, outflanks effect, point effect, penetration effect, covers uniformly to Target crops, deposition is high.
Electrostatic spray makes the droplet of each ejection have same sex electrostatic charge, it is easier to be captured by target, and droplet is in spatial movement
It is mutually exclusive, it does not agglomerate, the induction of Charged Droplet makes the external of crop generate the charges of different polarity, under the action of electric field force,
Droplet quick adsorption improves deposition of the pesticide on Target crops to the front and back sides of crop, improves the equal of pesticide deposition
Even property.
2, the utilization rate for improving pesticide reduces the usage amount of pesticide, reduces control cost.Electrostatic spray droplet size
Generally at 45 μm or so, it can be effectively reduced mist droplet particle size, improve spectrum of fog drop uniformity, meet biological optimum grain-diameter theory, easily
It is captured in by target, and more preferable to the penetrability of the targets such as plant strain canopy.Significantly increase the machine that droplet is contacted with pest and disease damage
Meeting has doubled up prevention and control of plant diseases, pest control effect (improving 2 times or more by spraying than conventional under similarity condition).And finish is to insect
Body wall has affinity, readily penetrates through body wall and enters in pest body, pest is made quickly to be poisoned.Dosage is than conventional spraying saving
30% or more.
3, smaller on water source, environment influence, reduce pollution of the pesticide to environment.Electrostatic spray spouting liquid is few, per acre only
For 60~150mL, only routinely spraying more than one percent, and the suction-operated of electric field force reduces the drift of pesticide, makes agriculture
Medicine utilization rate is high, avoids pesticide loss, reduces pollution of the pesticide to environment.
4, the electrostatic spray lasting period is long.Charged Droplet adsorption capacity on crop is strong, and comprehensively uniformly, spray pattern
Height, it is firm that pesticide adheres on leaf, resistance of rainwater washing against, and the high boiling solvent in finish can effectively delay pesticide effectively at
The degradation divided, drug effect are permanent.
5, work efficiency is high, and prevention and treatment is timely.Hand-held electrostatic ultra low volume spray improves 10~20 times of work efficiency than conventional by spraying, east
Red -18 type power knapsack electrostatic sprayer can spray 20~30 mu per hour.
6, electrostatic spray uses matched electrostatic oil agent, without adding water, breaks out especially suitable for water scarcity, pest and disease damage category
Property and occurring area is big, the occasion that must be administered on a large scale in the short time.
7, electrostatic spray is not likely to produce phytotoxicity to crop, and without obvious residual, the quality of crop can be improved.
Currently, preparing solvent used in electrostatic oil agent is heavy aromatics or two wires oil.Earliest electrostatic oil agent with a line oil or
The charged particles that two wires oil is generated as cosolvent, agriculture breast 500# as conductive agent (CN1058505A) as solvent, medium alcohol
Limited, conductivity is only up to 10-3μs·cm-1Rank.The electrostatic oil agent in two generations mainly has nitenpyram static oil agent, penta
Azoles alcohol electrostatic oil agent, acetamiprid electrostatic oil agent, avermectin and chlorpyrifos dualistic combination electrostatic oil agent etc., these electrostatic oil agents
Using heavy aromatics as solvent, conductivity 10-1μs·cm-1Rank (CN101518231A, CN101897331A,
CN101578979,CN101578993).However, solvent heavy aromatics or two wires oil used in conventional electrostatic spray formulation are not only right
Environmental pollution is larger, and the charged particles generated are limited, limit further increasing for deposition of the droplet on target.
Currently, the preparation of ethofenprox mainly has suspending agent, aqueous emulsion etc., and there is not been reported for the electrostatic oil agent of ethofenprox.
Summary of the invention
To solve the technical problems existing in the prior art, the purpose of the present invention is to provide a kind of ethofenprox electrostatic oil agents
And preparation method thereof.
On the one hand, the present invention provides glycol acetate and/or modified urethane in preparing pesticide electrostatic oil agent
Application, the application is solvent as electrostatic oil agent.
Inventor is devoted for years in the research of pesticide electrostatic oil agent, aiming at the problem that solvent of traditional electrostatic oil agent, such as
Two wires oil has disabled, and the conductivity of heavy aromatics is limited and environmental pollution is larger etc., carries out the electrostatic oil with excellent performance
The research of agent solvent.By attempting a variety of common solvents, inventor has found that Ester is more suitable as the oil of electrostatic solvent
Agent.However found through a large amount of comparative tests, the electrostatic solvent that the esters of different structure are prepared as solvent is in dissolubility, conductivity
It differs greatly in terms of viscosity.Contain different number ester bond, different molecular weight size Ester, inventor by screening
It was found that the two is used alone or mixing connection when the solvent of glycol acetate and modified urethane as electrostatic oil agent
With the pesticide electrostatic oil agent of preparation can generate higher conductivity, lower viscosity, outstanding physical and chemical performance cooperation
Electrostatic Spraying technique is in use, significantly improve the deposition on crops.
The glycol acetate and modified urethane is common commercial product, and those skilled in the art can also
To prepare the glycol acetate and modified urethane according to preparation method conventional in the prior art.
Ethofenprox is one of common broad spectrum disinfestation ingredient in pesticide.Dissolution of the allied substances in identical solvent, point
The performances such as scattered are similar, and ethofenprox belongs to pyrethrin, and many common pesticides belong to substance of this kind.Therefore, of the invention
The glycol acetate of exploitation and/or modified urethane solvent are further used to prepare to the electrostatic oil agent of ethofenprox.
Preferably, the agriculture the effective elements of the medicine includes ethofenprox.
It is furthermore preferred that the agriculture the effective elements of the medicine is ethofenprox.
On the other hand, the present invention provides a kind of ethofenprox electrostatic oil agent, and the solvent of the electrostatic oil agent is ethylene glycol acetic acid
Ester and/or modified urethane.
Ethofenprox and glycol acetate and/or modified urethane compatible use, and after adding common cosolvent,
The electrostatic oil agent solution of preparation also has the excellent performances such as viscosity low, conductivity is high, crop deposition height there are two types of solvent, herein
On the basis of, by optimization effective component, the amount ratio of cosolvent and solvent compatible use, obtains performance and stablize superior ether chrysanthemum
Ester electrostatic oil agent.
Specifically, the electrostatic oil agent includes the component of following weight percentage:
Preferably, the electrostatic oil agent is grouped as by the group of following weight percentage:
Ethofenprox 0.5%~25%
Cosolvent 2%~15%
Glycol acetate and/or modified urethane surplus；
It is highly preferred that the electrostatic oil agent is grouped as by the group of following weight percentage:
Ethofenprox 1%~25%
Cosolvent 3%~15%
Glycol acetate and/or modified urethane surplus；
Selection for cosolvent, inventors have found that glycol acetate and/or modified urethane class solvent compatibility
Ethofenprox uses, and all has good compatibility for nearly all common cosolvent.
The cosolvent is any in dimethyl sulfoxide, N-Methyl pyrrolidone, isophorone, phorone, formamide
It is one or more；
It is furthermore preferred that the cosolvent is dimethyl sulfoxide, N-Methyl pyrrolidone, isophorone or phorone.
Further, the present invention provides the preparation method of the ethofenprox electrostatic oil agent, i.e., molten using cosolvent and solvent
Ethofenprox is solved, up to the electrostatic oil agent after mixing.
Ethofenprox preparation can be used for preventing and treating the various pests such as hazard rice, cotton and fruits and vegetables, such as brown paddy plant hopper, bollworm
Deng.
Therefore, the application the present invention also provides the ethofenprox electrostatic oil agent in prevention and treatment plant insect.
The application is that ethofenprox electrostatic oil agent is applied to plant leaf surface；
Preferably, the application is using electrostatic ultra-low volume spray；
Preferably, the formulation rate of the ethofenprox electrostatic oil agent is 45~180g a.i./hm2, but not limited to this, ability
Field technique personnel can be according to the different adjustment formulation rates of the type and pest and disease damage degree of prevention and treatment pest and disease damage and plant.
When the viscosity of the electrical conductivity of solution of electrostatic oil agent and solution, dielectric constant, surface tension etc. influence the applications of pesticide
The dispersed homogeneous degree of deposition and pesticide on target.Electrostatic oil agent in the prior art mostly uses heavy aromatics or two wires oil to make
For solvent, heavy aromatics or two wires oil environmental pollution are relatively large, and the charged particles generated are limited, and conductivity is low, limit
Further increasing for deposition and the uniformity of the electrostatic oil agent spraying droplet on target is made.Glycol acetate and modified ammonia
Carbamate has the property that conductivity is high, flash-point is high, volatility is low, viscosity is low, glycol acetate and modified amido formic acid
Ester is applied to coatings industry, Resin Industry more, in terms of pharmaceuticals industry application then mostly as cleaning agent, castability binder,
Diluent, paint stripper, organic synthesis intermediate etc..Currently without glycol acetate and/or modified urethane in pesticide
The report of application in terms of preparation.In numerous organic solvents with different the physical-chemical parameters performances, inventor is accidental
It was found that being matched as the solvent of pesticide electrostatic oil agent with common cosolvent using glycol acetate and modified urethane
It closes and uses, crop deposition when can significantly improve the conductivity of electrostatic oil agent and spray, while also overcoming traditional
Thus the serious problem of environmental pollution of two wires oil, heavy aromatic solvent develops high conductivity and environmental-friendly a new generation
Electrostatic oil agent.
The beneficial effects of the present invention are:
(1) conductivity of ethofenprox electrostatic oil agent provided by the invention is high, reaches 1.44 μ scm-1, relatively using traditional
Heavy aromatics or two wires oil improve 2.34 times as the conductivity of solvent, reach 8.96 μ gcm to the deposition of crop-2, relatively make
1.98 times are improved with traditional heavy aromatics, to significantly improve the utilization rate of pesticide, applications of pesticide amount is reduced, saves
The material and labor cost of crop production；
(2) formula of ethofenprox electrostatic oil agent provided by the invention is simple, and the auxiliary agent type used is few, removes effective component ether
Outside pyrethroids, a kind of organic solvent and a kind of cosolvent are only needed, without auxiliary agents such as conductive agents, reduces production cost；
(3) organic solvent used is easy to degrade in the environment, good to Environmental compatibility, and reduces Pesticide use amount,
To reduce the pollution of environment, be conducive to sustainable development.
Specific embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with embodiment.It will be appreciated that following real
Providing merely to play the purpose of explanation for example is applied, is not used to limit the scope of the present invention.The skill of this field
Art personnel without departing from the spirit and purpose of the present invention, can carry out various modifications and replace to the present invention.
Experimental method used in following embodiments is conventional method unless otherwise specified.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified, wherein second
Two alcohol acetates and modified urethane are purchased from Guangzhou Yin Tian new material Co., Ltd.
Embodiment 1
1% ethofenprox electrostatic oil agent
Ethofenprox 1%
Dimethyl sulfoxide 3.0%
Glycol acetate complements to 100%
Ethofenprox original acceptable co-solvents, solvent dissolution, can be made into electrostatic oil agent after being sufficiently stirred.1% ethofenprox electrostatic
Finish viscosity is 1.2mPas, and conductivity is 0.31 μ scm-1, the deposition on cucumber leaves is 5.24 μ gcm-2。
Embodiment 2
5% ethofenprox electrostatic oil agent
Ethofenprox 5%
N-Methyl pyrrolidone 5.0%
Modified urethane complements to 100%
Ethofenprox original acceptable co-solvents, solvent dissolution, can be made into electrostatic oil agent after being sufficiently stirred.5% ethofenprox electrostatic
Finish viscosity is 1.3mPas, and conductivity is 0.47 μ scm-1.Using with embodiment 1 have identical effective component dosage under into
Row electrostatic spray (is diluted electrostatic oil agent using modified urethane), and the deposition on cucumber leaves is 5.33 μ
g·cm-2。
Embodiment 3
10% ethofenprox electrostatic oil agent
Ethofenprox 10%
Dimethyl sulfoxide 10.0%
Glycol acetate: modified urethane=1:1 complements to 100%
Ethofenprox original acceptable co-solvents, solvent dissolution, can be made into electrostatic oil agent after being sufficiently stirred.10% ethofenprox electrostatic
Finish viscosity is 1.38mPas, and conductivity is 0.48 μ scm-1.Have under identical effective component dosage using with embodiment 1
It carries out electrostatic spray (glycol acetate: modified urethane=1:1 is diluted electrostatic oil agent), on cucumber leaves
Deposition be 5.61 μ gcm-2。
Embodiment 4
15% ethofenprox electrostatic oil agent
Ethofenprox 15%
N-Methyl pyrrolidone 10.0%
Modified urethane complements to 100%
Ethofenprox original acceptable co-solvents, solvent dissolution, can be made into electrostatic oil agent after being sufficiently stirred.15% ethofenprox electrostatic
Finish viscosity is 1.4mPas, and conductivity is 0.78 μ scm-1.Using with embodiment 1 have identical effective component dosage under into
Row electrostatic spray (is diluted electrostatic oil agent using modified urethane), and the deposition on cucumber blade is 5.67
μg·cm-2。
Embodiment 5
20% ethofenprox electrostatic oil agent
Ethofenprox 20%
Phorone 10.0%
Glycol acetate complements to 100%
Ethofenprox original acceptable co-solvents, solvent dissolution, can be made into electrostatic oil agent after being sufficiently stirred.20% ethofenprox electrostatic
Finish viscosity is 1.33mPas, and conductivity is 0.82 μ scm-1.Have under identical effective component dosage using with embodiment 1
It carries out electrostatic spray (electrostatic oil agent is diluted using glycol acetate), the deposition on cucumber blade is 5.78
μg·cm-2。
Embodiment 6
25% ethofenprox electrostatic oil agent
Ethofenprox 25%
Isophorone 15.0%
Modified urethane complements to 100%
Ethofenprox original acceptable co-solvents, solvent dissolution, can be made into electrostatic oil agent after being sufficiently stirred.25% ethofenprox electrostatic
Finish viscosity is 1.48mPas, and conductivity is 1.44 μ scm-1.Have under identical effective component dosage using with embodiment 1
It carries out electrostatic spray (electrostatic oil agent is diluted using modified urethane), the deposition on cucumber blade is
8.96μg·cm-2。
Ethofenprox electrostatic spray finish appearance prepared by above embodiments 1~6 is transparent uniform oily liquids；Low temperature
Compatibility is good, and at -5 DEG C, crystallization or suspended matter are not precipitated for 24 hours for refrigeration；Volatility is low, filter paper suspension method measurement result, volatilization
Rate is lower than 30%；To plant safety, no phytotoxicity；Using the flash-point of silent method measurement electrostatic oil agent, the results showed that, Examples 1 to 6
The flash-point of electrostatic oil agent be all larger than 70 DEG C.
Comparative example 1
5% ethofenprox electrostatic oil agent
Ethofenprox 5%
Dimethyl sulfoxide 10.0%
Heavy aromatics S200# complements to 100%
Ethofenprox original acceptable co-solvents, solvent dissolution, can be made into electrostatic oil agent after being sufficiently stirred.5% ether in comparative example 1
Pyrethroids electrostatic oil agent viscosity is 6.9mPas, and conductivity is 0.2 μ scm-1.There is identical effective component using with embodiment 1
Electrostatic spray (being diluted using heavy aromatics S200# to electrostatic oil agent) is carried out under dosage, the deposition on cucumber leaves is
2.68μg·cm-2。
Comparative example 2
10% ethofenprox electrostatic oil agent
Ethofenprox 10%
N-Methyl pyrrolidone 10.0%
Heavy aromatics S200# complements to 100%
Ethofenprox original acceptable co-solvents, solvent dissolution, can be made into electrostatic oil agent after being sufficiently stirred.10% in comparative example 2
Ethofenprox electrostatic oil agent viscosity is 7.2mPas, and conductivity is 0.22 μ scm-1.Using with embodiment 1 have it is identical effectively at
Electrostatic spray (being diluted using heavy aromatics S200# to electrostatic oil agent) is carried out under divided dose, the deposition on cucumber leaves
2.71μg·cm-2。
Comparative example 3
15% ethofenprox electrostatic oil agent
Ethofenprox 15%
Isophorone 10.0%
Heavy aromatics S200# complements to 100%
Ethofenprox original acceptable co-solvents, solvent dissolution, can be made into electrostatic oil agent after being sufficiently stirred.15% in comparative example 3
Ethofenprox electrostatic oil agent viscosity is 6.3mPas, and conductivity is 0.43 μ scm-1.Using with embodiment 1 have it is identical effectively at
Electrostatic spray (being diluted using heavy aromatics S200# to electrostatic oil agent) is carried out under divided dose, the deposition on cucumber leaves
3.01μg·cm-2。
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. glycol acetate and/or modified urethane are preparing the application in pesticide electrostatic oil agent, which is characterized in that institute
State the solvent applied as electrostatic oil agent.
2. application according to claim 1, which is characterized in that the agriculture the effective elements of the medicine includes ethofenprox.
3. a kind of ethofenprox electrostatic oil agent, which is characterized in that the solvent of the electrostatic oil agent is glycol acetate and/or modification
Carbamate.
4. electrostatic oil agent according to claim 3, which is characterized in that the electrostatic oil agent includes following weight percentage
Component:
Ethofenprox 0.5%~30%
Cosolvent 2%~20%
Glycol acetate and/or modified urethane 50%~95%；
The summation of the weight percentage of each component of the electrostatic oil agent is 100%.
5. electrostatic oil agent according to claim 3 or 4, which is characterized in that the electrostatic oil agent is contained by following weight percent
The group of amount is grouped as:
Ethofenprox 0.5%~25%
Cosolvent 2%~15%
Glycol acetate and/or modified urethane surplus.
6. according to electrostatic oil agent described in claim 3~5 any one, which is characterized in that the electrostatic oil agent by weighing as follows
The group of amount percentage composition is grouped as:
Ethofenprox 1%~25%
Cosolvent 3%~15%
Glycol acetate and/or modified urethane surplus.
7. according to electrostatic oil agent described in claim 3~6 any one, which is characterized in that it is sub- that the cosolvent is selected from diformazan
Sulfone, N-Methyl pyrrolidone, isophorone, phorone, any one or more in formamide.
8. the preparation method of electrostatic oil agent described in claim 3~7 any one, which is characterized in that utilize cosolvent and molten
Ethofenprox is dissolved in agent, up to the electrostatic oil agent after mixing.
9. application of the electrostatic oil agent described in claim 3~7 any one in prevention and treatment plant insect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828548.3A CN109221113A (en) | 2018-07-25 | 2018-07-25 | Ethofenprox electrostatic oil agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810828548.3A CN109221113A (en) | 2018-07-25 | 2018-07-25 | Ethofenprox electrostatic oil agent and preparation method thereof |
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2018
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|---|---|---|---|---|
| CN1058505A (en) * | 1991-09-14 | 1992-02-12 | 中国国际科技促进会保康新技术研究所 | The prescription of electrostatically sprayed pesticide oil preparation |
| CN101755743A (en) * | 2009-11-04 | 2010-06-30 | 广西田园生化股份有限公司 | Fenvalerate-containing ultralow-volume electrostatic oil agent |
| CN104686542A (en) * | 2015-03-18 | 2015-06-10 | 山西绿海农药科技有限公司 | Fluacrypyrim composition containing ultralow-capacity liquid and preparation method thereof |
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