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Water suspending agent containing pyraclostrobin and epoxiconazole and preparation method thereof

A technology of pyraclostrobin and water suspension agent, applied in the field of pesticides, can solve the problems of easy Ostrich ripening, easy stratified crystallization in storage, rapid particle size growth, etc., and achieves long lasting effect and good steric hindrance. effect, fast systemic effect

Inactive Publication Date: 2021-11-02
HUIZHOU YINNONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the suspension concentrates of pyraclostrobin and epoxiconazole have the problem of easy layering and crystallization during storage. Oswald ripening is very likely to occur during or after heat storage, and the particle size increases rapidly.
Especially the suspending agent of pyraclostrobin and epoxiconazole is easy to generate heat during the preparation and grinding process, which leads to the melting of the original drug, and the problem of recrystallization after the slurry returns to normal temperature

Method used

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  • Water suspending agent containing pyraclostrobin and epoxiconazole and preparation method thereof
  • Water suspending agent containing pyraclostrobin and epoxiconazole and preparation method thereof
  • Water suspending agent containing pyraclostrobin and epoxiconazole and preparation method thereof

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preparation example Construction

[0047] The present invention also provides a method for preparing a water suspension containing apatole ether and a fluorocylazole for preparing the above-mentioned embodiment of the above-mentioned embodiment of the hydrazole-containing water suspending agent, including the following Step: Mix the EO-PO block copolymer wetting agent, a carboxylic acid salt dispersant, a thickener, an antifreeze and a first preset deionized water, and perform the first mixing operation, resulting The first mixture; adding pyrazole ether and fluoroprazole to the first mixture to obtain a second mixture; the second mixture is polished to obtain a third mixture; the xanthan gum, defoamer, preservative and The first preset deionized water is mixed, resulting in a fourth mixture; the fourth mixture is added to the third mixture, and the second stirring operation is carried out to obtain a hydrazole and fluorocylazole water suspension. .

[0048] In order to better understand the preparation method of t...

Embodiment 1

[0068] The 40.10wt% deionized water, 7wt% of GEROPON T / 36,2wt% of Pluronic F127,2wt% of Ethylan NS-500LQ, 3wt% of ethylene glycol, 1wt% and 2wt% of magnesium aluminum silicate white carbon black were added in the reaction vessel, stir. Pyrazole was added 10wt% 5wt% Kresoxim and epoxiconazole, a homogenizer homogenizing for 20 minutes, after coarse grinding through a colloid mill, horizontal sand mill go to two minutes grinding, polishing temperature below 30 ℃, abrasive particle size D98≤4μm. After the completion of the polishing of the remaining deionized water 26.74wt%, 0.16wt% xanthan gum, 0.5wt% 0.5wt% defoamer and preservative and mix with a homogenizer homogenized for 10 minutes with stirring while adding after grinding the material, stirred for 15 minutes, to obtain the pyrazole Kresoxim and epoxiconazole suspension pesticide compositions.

Embodiment 2

[0070] The 37.2wt% deionized water, 2wt% of Ethylan NS-500LQ, 2wt% of 10500,6wt% SP-75Y, 5wt% of propylene glycol, magnesium aluminum silicate 1wt% and 1wt% of white carbon were added the reaction vessel, stir. Pyrazole was added 15wt% 5wt% Kresoxim and epoxiconazole, a homogenizer homogenizing for 30 minutes after coarse grinding through a colloid mill, horizontal sand mill go to two minutes grinding, polishing temperature below 30 ℃, abrasive particle size D98≤4μm. After the completion of the polishing of the remaining deionized water, 24.8wt%, 0.2wt% xanthan gum, 0.5wt% 0.3wt% defoamer and preservative and mix 15 minutes homogenizer with a homogenizer, added with stirring after grinding the material was stirred for 20 minutes to give the pyrazole kresoxim and epoxiconazole suspension pesticide compositions.

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Abstract

The invention provides a water suspending agent containing pyraclostrobin and epoxiconazole and a preparation method thereof. The water suspending agent containing the pyraclostrobin and the epoxiconazole is prepared from the following components in parts by mass: 10 to 25 parts of the pyraclostrobin, 5 to 15 parts of the epoxiconazole, 1 to 4 parts of an EO-PO block copolymer wetting agent, 6 to 12 parts of a carboxylate dispersing agent, 1.4 to 3.2 parts of a thickening agent and 35 to 72 parts of deionized water. The water suspending agent containing pyraclostrobin and epoxiconazole is relatively good in dispersity, relatively good in storage stability, high in pesticide effect and long in lasting period.

Description

Technical field [0001] The present invention relates to the field of pesticides, particularly a water suspension and preparation method thereof, and a preparation method thereof, in particular to a hydrobutazole ether. Background technique [0002] Pyrazole ether is a methoxy acrylate fungicide developed by BASF, Germany in 1993. The mechanism of action of pyrazole ether is unique, and is a mitochondrial respiratory inhibitor, and the mitochondrial respiration is suppressed by preventing cytochrome B and C1 electron transfer, so that the mitochondria cannot produce and provide the energy required for normal metabolism (ATP), Finally lead to cell death. [0003] Indoor and field trials show that pyrazole ether can prevent seminosa, bonus, semi - known bacteria, and oocystal diseases. It has a strong inhibitory effect on spore germination and foliatrium fifth, which has protection and treatment activity. It also has permeability and partial intravation, long-lasting period, and rai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01N43/653A01N25/04A01N25/30A01P3/00
CPCA01N47/24A01N43/653A01N25/04A01N25/30
Inventor 吴丽文张小敏谭葵廖联安
Owner HUIZHOU YINNONG TECH
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