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Difenoconazole electrostatic oil and preparation method thereof

A technology of difenoconazole and electrostatic oil, which is applied in the field of pesticides, can solve the problems of large environmental pollution, limited charged charge, and limit the amount of droplet deposition, and achieve high conductivity, easy degradation, and reduced pesticide application. Effect

Inactive Publication Date: 2018-11-06
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the heavy aromatic hydrocarbons or second-line oils used in traditional electrostatic spray formulations not only pollute the environment, but also generate limited charges, which limits the further improvement of the deposition amount of droplets on the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] 0.1% Difenoconazole Static Oil

[0054] Difenoconazole 0.1%

[0055] Dimethylsulfoxide 10.0%

[0056] Ethylene glycol acetate make up to 100%

[0057] The original drug of difenoconazole is dissolved in a co-solvent and a solvent, and can be made into an electrostatic oil after fully stirring. The viscosity of 0.1% difenoconazole electrostatic oil is 1.56mPa·s, and the conductivity is 0.42μs·cm -1 , the deposition amount on tomato leaves is 7.28μg·cm -2 .

Embodiment 2

[0059] 1% Difenoconazole Static Oil

[0060] Difenoconazole 1%

[0061] Phorone 3.0%

[0062] Modified urethane make up to 100%

[0063] The original drug of difenoconazole is dissolved in a co-solvent and a solvent, and can be made into an electrostatic oil after fully stirring. The viscosity of 1% difenoconazole electrostatic oil is 1.23mPa·s, and the conductivity is 0.53μs·cm -1 , under the same dose of active ingredient as in Example 1, carry out electrostatic spraying (using modified carbamate to dilute the electrostatic oil), and the deposition amount on tomato leaves is 7.85 μg cm -2 .

Embodiment 3

[0065] 3% Difenoconazole Static Oil

[0066] Difenoconazole 3%

[0067] Dimethylsulfoxide 5.0%

[0068] Ethylene glycol acetate make up to 100%

[0069] The original drug of difenoconazole is dissolved in a co-solvent and a solvent, and can be made into an electrostatic oil after fully stirring. The viscosity of 3% difenoconazole electrostatic oil is 1.67mPa·s, and the conductivity is 0.55μs·cm -1 , under the same active ingredient dosage as in Example 1, carry out electrostatic spraying (use ethylene glycol acetate to dilute the electrostatic oil), and the deposition amount on tomato leaves is 7.96 μg cm -2 .

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Abstract

The invention relates to difenoconazole electrostatic oil and a preparation method thereof. Ethylene glycol acetate and/or modified carbamic acid ester serve/serves as a solvent, and the difenoconazole electrostatic oil is prepared from, by weight, 0.1-10% of difenoconazole, 3-20% of cosolvent and the balance of ethylene glycol acetate and/or modified carbamic acid ester serving as the solvent. According to the electrostatic oil, the conductivity is greatly improved, the deposit rate and uniformity coefficient of fogdrop, on plant leaves, of electrostatic oil spray are increased, the pesticideutilization rate is significantly increased, the application amount of pesticide is lowered, pollution to the environment is small, the oil can be used for controlling crop diseases in practice, andthe crop yield is increased.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a difenoconazole electrostatic oil agent and a preparation method thereof. Background technique [0002] Difenoconazole (difenoconazole) is a triazole fungicide, systemic fungicide, with protective and therapeutic effects. For Ascomycetes, Basidiomycetes and including Alternaria, Ascodiospora, Cercospora, Spirospora, Ballacne, Phoma, Septoria, Septoria, It has long-lasting protective and therapeutic effects on half-knowledge diseases including Scabella, powdery mildew family, rust fungus and certain kinds of transmitted pathogens. It is also very effective against grape anthracnose and white rot. [0003] Electrostatic oil is a type of pesticide formulation, which is prepared by selecting an organic solvent with low volatility, high flash point, high solubility to the original drug, low phytotoxicity to crops, and low viscosity. No need to add water, generally no need to ad...

Claims

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Application Information

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IPC IPC(8): A01N25/02A01N43/653A01P3/00
CPCA01N25/02A01N43/653
Inventor 尹明明陈福良任立瑞
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI