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Mixed micro-emulsion of azoxystrobin and difenoconazole and preparation method thereof

A technology of difenoconazole and azoxystrobin, which is applied to the mixed microemulsion of azoxystrobin and difenoconazole and the field of preparation thereof, can solve problems such as skin allergies, reduce application amount and achieve good storage stability , the effect of high flash point

Active Publication Date: 2009-09-16
北京绿色农华作物科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] 2. An intermediate (benzodiol) of this product can cause severe skin allergy, which lasts for about half a month, and there is no specific medicine
This is a challenge for emulsifiable cream formulations

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Weigh 3.0kg of azoxystrobin, 3.0kg of difenoconazole, and 2.0kg of polyoxyethylene glycol, 3.0kg of dioctyl sulfosuccinate sodium salt, and 4.0kg of isoamyl alcohol in a high-speed shearing machine. After stirring and mixing evenly in medium, finally add 85.0 kg of deionized water, stir and mix evenly, let stand for 5 hours, heat to 45° C., and after fully stirring, the pesticide microemulsion can be prepared.

Embodiment 2

[0036] Weigh 4.0kg of azoxystrobin and 5.0kg of difenoconazole, and then stir them with 4.0kg of benzylphenol polyoxyethylene ether, 3.0kg of diesel oil, 4.0kg of cyclohexanone, and 4.0kg of isoamyl alcohol in a high-speed shearing machine After mixing evenly, finally add 76 kg of deionized water, stir and mix evenly, let stand for 6 hours, heat to 45° C., and stir thoroughly to prepare pesticide microemulsion.

Embodiment 3

[0038] Weigh 6.0kg of azoxystrobin, 5.0kg of difenoconazole, and then mix with 4.0kg of polyoxyethylene glycol, 6.0kg of phenethylphenol ethoxylate, 3.0kg of nonylphenol ethoxylate, azone 4.0kg, 4.0kg of isoamyl alcohol, 3.0kg of ethyl acetate, and 4.0kg of n-butanol were stirred and mixed evenly in a high-speed shearing machine, and finally 61kg of deionized water was added, stirred and mixed evenly, stood for 6 hours, and heated To 50 ℃, fully stirred, can be made into pesticide microemulsion.

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PUM

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Abstract

The invention discloses a mixed micro-emulsion of azoxystrobin and difenoconazole, and a preparation method thereof. The micro-emulsion comprises the components by weight percentages as follows: 3 to 20 percent of azoxystrobin, 1 to 10 percent of difenoconazole, 3 to 25 percent of emulsifier, 3 to 15 percent of penetrating agent, 3 to 30 percent of latent solvent and the balance of de-ionized water. The preparation method includes the following steps of: firstly, stirring and mixing the azoxystrobin, the difenoconazole, the emulsifier, the penetrating agent and the latent solvent uniformly in a high-speed shear, then adding de-ionized water, stirring and mixing the mixture uniformly, standing for 5 to 15 hours, heating to 45 to 50 DEG C and stirring fully, thus obtaining the product. By making use of the synergized action of the azoxystrobin and the difenoconazole, the micro-emulsion overcomes the drug resistance of plant pathogens, improves the application effect of reagents, increases the reagent ranges and remedies the defects of single dosage. The invention is simple in preparation process, lower in production cost and suitable for large-area popularization and application.

Description

technical field [0001] The invention relates to a pesticide mixing technology, in particular to a microemulsion mixed with azoxystrobin and difenoconazole and a preparation method thereof. technical background [0002] Azoxystrobin [0003] English name: AMISTAR, CAS number: 131860-33-8. [0004] Chemical name: methyl(αE)-2-[[6-(2-cyanophenoxy)-4-pyrimidinyl]oxy]-α-(methoxymethylene)benzeneacetate. [0005] Molecular formula: C22H17N3O5. [0006] The molecular weight is 403.4. [0007] This product is the first commercialized methoxyacrylate fungicide successfully developed by Syngenta. Known fungi) diseases such as powdery mildew, rust, glume blight, net spot, downy mildew, rice blast, etc. have good activity. It can be used for stem and leaf spray, seed treatment, and soil treatment. It is mainly used for grain, rice, peanut, grape, potato, fruit tree, vegetable, coffee, lawn, etc. Use dose is 25-400g / hm2, and trade name is Abound, Amistar, Heritage, Quadris, Admire....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/04A01N43/54A01N43/653A01P3/00
Inventor 李鹏吴俊玲周晨光李凤明陈义明齐正红吴家全周希贵吕飞杨玉红
Owner 北京绿色农华作物科技有限公司