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Preparation method for suspension seed coating agent employing thiamethoxam and difenoconazole as active ingredients

A technology of difenoconazole and suspending seed coating agent, applied in the directions of botanical equipment and methods, pesticides, biocides, etc., can solve the problems of thermodynamic instability, water separation, thickening and precipitation, poor fluidity, etc.

Active Publication Date: 2014-09-24
LIANBAO CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the dosage form is a suspension seed coating agent, and the suspension agent is a thermodynamically unstable system, the physical stability of the product in the storage and transportation device is poor, and quality problems such as water separation, thickening and precipitation are prone to occur, resulting in high viscosity and poor fluidity of the system. Uneven dispersion of active ingredients, low efficacy against harmful organisms or occurrence of phytotoxicity, seriously affecting its production and use

Method used

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  • Preparation method for suspension seed coating agent employing thiamethoxam and difenoconazole as active ingredients
  • Preparation method for suspension seed coating agent employing thiamethoxam and difenoconazole as active ingredients
  • Preparation method for suspension seed coating agent employing thiamethoxam and difenoconazole as active ingredients

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preparation example Construction

[0058] The invention discloses a preparation method of a suspension seed coating agent. Those skilled in the art can refer to the content herein to realize its application. In particular, it should be pointed out that all similar replacements and modifications are obvious to those skilled in the art, and they are all considered to be included in the present invention. The preparation method of the present invention has been described through preferred embodiments, and relevant personnel can obviously make changes or appropriate changes and combinations to the preparation method herein without departing from the content, spirit and scope of the present invention to realize and apply the technology of the present invention .

[0059] All the reagents and raw materials used in the preparation method of the suspension seed coating agent provided by the invention can be purchased from the market.

Embodiment 1

[0061] The preparation of embodiment 1 suspension seed coating agent

[0062] According to the following formula, weigh various raw and auxiliary materials:

[0063]

[0064] The preparation method is:

[0065] According to the order of water, Atlox4894, GY-DM02, permanent yellow, thiamethoxam, difenoconazole, and silicone defoamer 32H, add them to the shearing kettle in sequence (stir while adding, when the last component After mixing evenly, add the next component) through high-speed shearing machine for shearing and mixing, then wet sanding with sand mill, then add KM-m01 and xanthan gum, shear and mix, and filter homogeneously , to obtain a suspension seed coating containing thiamethoxam and difenoconazole.

Embodiment 2

[0066] The preparation of embodiment 2 suspension seed coating agent

[0067] According to the following formula, weigh various raw and auxiliary materials:

[0068]

[0069]

[0070] The preparation method is:

[0071] According to the order of water, Atlox4813, Atlox4894, GY-1287, silicone defoamer 32H, Cathone, 1211-S, thiamethoxam, difenoconazole, magnesium aluminum silicate, and ethylene glycol, add them in sequence In the shear kettle (stir while adding, when the previous component is mixed evenly, then add the next component), shear and mix with high-speed shearing machine. The operating parameters of the high-speed shearing machine are: shearing machine model Fluke FJS-180X, rotating speed 1470r / m, and shearing time 1h. After shearing, it is transferred to the first sand mill for rough grinding. The sanding medium in the first sand mill is zirconia beads with a particle size of 1.2mm and a filling factor of 0.7. After the coarse grinding treatment is completed...

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Abstract

The invention belongs to the technical field of pesticide preparations, and discloses a preparation method for a suspension seed coating agent employing thiamethoxam and difenoconazole as active ingredients. The preparation method comprises the following steps of adding each component according to a specific sequence, and performing shearing, sanding, homogenization and filtration to obtain the suspension seed coating agent employing thiamethoxam and difenoconazole as the active ingredients, wherein the components comprise a pesticide active ingredient, a wetting dispersant, a film forming agent, a colorant, an antifoaming agent, a thickening agent and water; the specific sequence is water, the wetting dispersant, the colorant and the pesticide active ingredient; the pesticide active ingredient consists of thiamethoxam and difenoconazole. According to the preparation method, the thermal stability of the prepared suspension seed coating agent is remarkably improved, the stability of the suspension seed coating agent is improved, and the method is favorable for the popularization and application of the suspension seed coating agent.

Description

technical field [0001] The invention belongs to the technical field of pesticide preparations, and in particular relates to a preparation method of a suspension seed coating agent whose active ingredients are thiamethoxam and difenoconazole. Background technique [0002] Subterranean pests refer to a class of pests that live in the soil during the harmful period, mainly including clams, crab troughs, cutworms and day lilies. There are many kinds of such pests, which harm a wide range of hosts, such as wheat, corn, sorghum, cotton and other crops. They mainly feed on the seeds, roots, stems, tubers, tubers, seedlings, young leaves and growth points of crops, often resulting in lack of seedlings, broken ridges or poor growth of seedlings, which has a great impact on crop yield. In modern agricultural production, seed pesticide treatment is one of the most economical and convenient methods to prevent and control underground pests and crop soil-borne and seed-borne diseases. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01N25/04A01P7/04A01N43/653
Inventor 谢存明武金果任松巧路静岳新军薛桂鹏
Owner LIANBAO CROP TECH
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