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Chlorimuron-ethyl water dispersion particle

A technology of chlorimuron-methyl and chlorimuron-methyl raw powder, which is applied in the field of chlorimuron-methyl water-dispersible granules, can solve the problems of ineffective drug efficacy and poor water-soluble effect, and achieve better water-soluble effect, The effect of the simple preparation process

Inactive Publication Date: 2018-08-10
ZHEJIANG PIONEER CROPSCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the existing wettable or water-dispersible granules are used, the water-dissolving effect is poor, and they are in the form of suspended particles after adding water. These suspended particles are sprayed on the stems and leaves of crops and the surface of the soil, and cannot effectively exert their medicinal effects.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0015] The preparation process of all the following chlorimuron-methyl water-dispersible granules is as follows:

[0016] 1. Select raw materials according to the formula and mix them;

[0017] 2. After the above mixture is ultrafinely pulverized by a jet mill, mother powder is obtained;

[0018] 3. The mother powder is kneaded and granulated with water;

[0019] 4. Dry the particles at 65 degrees;

[0020] 5. Screen the dried granules to obtain chlorimuron-methyl water-dispersible granules.

example 1

[0021] Example 1, take by weighing 97% chlorimuron-methyl former powder 77%, dispersant 6%, salt-forming agent 3%, disintegrant 6%, all the other are filler; Wherein, dispersant adopts alkyl naphthalene sulfonate, The disintegrating agent is anhydrous potassium carbonate, and the filler is potassium chloride. The above raw materials are sequentially mixed, pulverized, granulated, dried and screened to obtain chlorimuron-methyl dispersible granules.

[0022] The chlorimuron-methyl water-dispersible granule has been tested to have an active ingredient content of 75%, a suspension rate of 100%, a disintegration time of less than 1 minute, a dispersibility of 100%, a water solubility of 3000g / L, and a qualified accelerated heat storage stability. It meets the quality and technical indicators of water-soluble dispersible granules.

example 2

[0023] Example 2, take by weighing 97% chlorimuron-methyl former powder 77%, dispersant 6.5%, salt-forming agent 3.5%, disintegrating agent 6.5%, all the other are filler; Wherein, dispersant adopts alkyl naphthalene sulfonate, The disintegrating agent is anhydrous potassium carbonate, and the filler is potassium chloride. The above raw materials are sequentially mixed, pulverized, granulated, dried and screened to obtain chlorimuron-methyl dispersible granules.

[0024] The chlorimuron-methyl water-dispersible granule has been tested to have an active ingredient content of 75%, a suspension rate of 100%, a disintegration time of less than 1 minute, a dispersibility of 100%, a water solubility of 3100g / L, and a qualified accelerated heat storage stability. It meets the quality and technical indicators of water-soluble dispersible granules.

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Abstract

The invention discloses a chlorimuron-ethyl water dispersion particle, which is prepared from 77 percent of chlorimuron-ethyl raw powder, 6 to 8 percent of dispersing agents, 3 to 5 percent of salt-forming agents, 6 to 8 percent of disintegrating agents and the balance of filling materials. The 75-percent chlorimuron-ethyl water dispersion particle can be realized; the preparation process is simple. Compared with the existing chlorimuron-ethyl water dispersion particle, the chlorimuron-ethyl water dispersion particle has a better water dissolution effect.

Description

technical field [0001] The invention relates to an agricultural water-dispersible granule, in particular to a chlorimuron-methyl water-dispersible granule. Background technique [0002] Chlorimuron-methyl is a selective pre-emergence and post-emergence herbicide, which can be absorbed by plant roots, stems, and leaves, conduct up and down in the plant body, and play a herbicidal effect on the vigorously growing meristematic cells. It is mainly used for the control of broad-leaf in soybean fields leaf weeds. When the existing wettable or water-dispersible granules are used, the water-dissolving effect is poor, and after adding water, they are in the form of suspended particles. These suspended particles are sprayed on the stems and leaves of crops and the surface of the soil, and cannot effectively exert their medicinal effects. Contents of the invention [0003] In order to solve the above technical problems, the invention provides a chlorimuron-methyl water-dispersible g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/12A01N47/36A01P13/00
CPCA01N25/12A01N47/36
Inventor 李明
Owner ZHEJIANG PIONEER CROPSCI CO LTD
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