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Sterilization composition containing ametoctradin and flumorph and preparation method of sterilization composition

A technology of pyraclostrobin and flumorph, which is applied in the field of bactericidal composition containing pyraclostrobin and flumorph and its preparation, can solve the problems of high dosage and poor fungicide effect, and achieve low dosage, Good flow and small particle size

Pending Publication Date: 2020-03-06
HUIZHOU YINNONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For this reason, the embodiment of the present invention provides a bactericidal composition and its preparation method to solve the problems of poor efficacy and high dosage of bactericides in the prior art

Method used

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  • Sterilization composition containing ametoctradin and flumorph and preparation method of sterilization composition
  • Sterilization composition containing ametoctradin and flumorph and preparation method of sterilization composition
  • Sterilization composition containing ametoctradin and flumorph and preparation method of sterilization composition

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Embodiment 1- Embodiment 5

[0024] Table 1 shows a bactericidal composition containing pyraclostrobin and flumorph in Examples 1 to 5 of the present invention.

[0025] Table 1

[0026]

[0027] Table 2 shows the germicidal compositions of Comparative Example 1 to Comparative Example 4 in the prior art.

[0028] Table 2

[0029]

[0030] In the embodiment of the present invention, the dispersing agent Ultrasperse and Geropon T / 36 are selected from Solvay (Zhenjiang) Chemical Co., Ltd., the dispersing agent Tamol DN is selected from BASF (China) Co., Ltd., and the dispersing agent YUS-207K is selected from Jieshi Chemical Co., Ltd. Company, dispersing agent Tersperse 2700 is selected from Hunts Functional Products, wetting agent L-WET / P is selected from Solvay (Zhenjiang) Chemical Co., Ltd., wetting agent Terwet 1004 is selected from Hunts Functional Products, wetting The agent YUS-SXC was selected from Jieshi Chemical Co., Ltd., the defoamer 1501 was selected from Guangzhou Fangzhong Chemical Co., Ltd., the fil...

Embodiment 6

[0039] The preparation method of the fungicidal composition containing pyraclostrobin and flumorph provided in Example 1, Example 2, Example 3, Example 4 or Example 5 of the present invention includes the following steps:

[0040] 1. Add dispersant, wetting agent, pH adjuster, and filler in proportion to water to form a mixed solution;

[0041] 2. Add pyraclostrobin and flumorph to the mixed solution and use a homogenizer to homogenize and disperse for 30 minutes at a speed of 1470r / min;

[0042] 3. After pulverizing the uniformly dispersed mixture material with a colloid mill, use a sand mill for grinding. During the grinding process, the temperature of the mixture material should be controlled not to be higher than 35℃, and the particle size D98≤4μm; the viscosity of the mixture material after grinding Not higher than 300mpa·s, the viscosity is too high, the fluidity of the slurry becomes poor, and the nozzle is easily blocked during spray drying, which affects the spray efficiency...

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Abstract

The embodiment of the invention discloses a sterilization composition containing ametoctradin and flumorph and a preparation method of the sterilization composition. The sterilization composition comprises the following components in percentage by mass: 10-30% of ametoctradin and 10-30% of flumorph as effective components, and also comprises the following components in percentage by weight: 1-10%of a wetting agent, 1-10% of a dispersing agent, 0.5-2% of a pH value regulator, 0.1-0.3% of a defoaming agent and 18-77% of a filler. The preparation method of the sterilization composition comprisesthe step of dissolving the dispersing agent, the wetting agent, the pH value regulator, the defoaming agent and the filling agent into water according to the proportion to form a mixed solution. According to the embodiment of the invention, the effective components of the pesticide ametoctradin and flumorph are subjected to wet grinding by a sand mill under the action of a dispersing agent and awetting agent to form fine particles with the particle size of less than 4 mu m, the fine particles are atomized into small liquid drops by a high-pressure spraying device, and the small liquid dropsare contacted with hot air in a drying tower to instantly evaporate moisture, thereby obtaining the pesticide. The hollow spherical particles have the advantages of being certain in structural strength, good in flowing and free of dust.

Description

Technical field [0001] The embodiment of the invention relates to the technical field of pesticides, in particular to a bactericidal composition containing pyraclostrobin and flumorph and a preparation method thereof. Background technique [0002] At present, the conventional fungicides for preventing and treating diseases caused by Downy mildew and Phytophthora fungi are mainly amides, such as metalaxyl, benaxyl, and oxaxyl. However, these two types of diseases have become obvious to amide compounds. It produces drug resistance, so the control effect is very poor; the other type is aliphatic fungicide, such as: propionamide prique, cymoxanil, dupont cresol, which is a mixture of cymoxanil and mancozeb. There are also varying degrees of drug resistance problems in most areas of my country. In addition, organic phosphorus compounds such as ethyl phosphorous aluminum, thiocarbamates such as mancozeb, thiram, etc. also have a certain preventive effect on the diseases caused by Perono...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N37/38A01N43/84A01P3/00
CPCA01N37/38A01N43/84A01N43/90
Inventor 石伟贤莫俊锐刘爱杰王爱臣廖联安
Owner HUIZHOU YINNONG TECH
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