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Imazethapyr water dispersible granules and preparation method thereof

A technology of imazethapyr and dispersible granules, applied in the directions of botanical equipment and methods, herbicides, algaecides, biocides, etc., can solve problems such as unreported preparation methods, achieve environmental friendliness, fast disintegration speed, cost saving effect

Active Publication Date: 2014-04-02
SHANDONG WEIFANG RAINBOW CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, imazethapyr water-dispersible granules and preparation method thereof have not been reported

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The content of each component (by weight) is 10% of imazethapyr, 10% of wetting agent pulling apart powder, 7% of dispersing agent alkylnaphthalene sulfonate sodium salt formaldehyde condensate, 5% of dispersing agent maleic acid-acrylic acid copolymer %, disintegrant ammonium sulfate 25%, binder glucose 10%, stabilizer edetate disodium 5%, carrier kaolin 18%, carrier white carbon black to 100%. Mix all the components evenly and crush them into 700-mesh fine powder by jet mill, then granulate and dry at 80°C to obtain 10% imazethapyr water-dispersible granules.

Embodiment 2

[0029] The content of each component (by weight) is imazethapyr 25%, wetting agent sodium laurate sulfate 12%, dispersant agent sodium lignosulfonate 8%, disintegrant anhydrous sodium sulfate 20%, binder soluble Starch 2.5%, stabilizer tetrasodium edetate 1.5%, stabilizer sodium tripolyphosphate 2.5%, carrier diatomaceous earth to make up to 100%. Mix all components evenly and crush them into 600-mesh fine powder by jet mill, then granulate and dry at 70°C to obtain 25% imazethapyr water-dispersible granules.

Embodiment 3

[0031] The content of each component (by weight) is imazethapyr 35%, wetting agent sodium lauryl sulfate 4%, sodium dodecylbenzenesulfonate 4%, dispersant maleic acid-acrylic acid copolymer 10% , disintegrant sodium chloride 7%, disintegrator anhydrous sodium sulfate 8%, binder polyvinylpyrrolidone 5%, stabilizer ethylenediaminetetraacetic acid 2%, carrier corn starch to 100%. Mix all components evenly and pulverize into 750-mesh fine powder by jet mill, then granulate and dry at 62°C to obtain 35% imazethapyr water-dispersible granules.

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Abstract

The invention discloses imazethapyr water dispersible granules, which comprise the following components in percentage by weight: 10 to 90 percent of imazethapyr, 1 to 12 percent of wetting agent, 1 to 12 percent of dispersant, 1 to 25 percent of disintegrating agent, 1 to 10 percent of adhesive, 1 to 5 percent of stabilizing agent, and the balance of carrier. The invention also discloses a preparation method for the imazethapyr water dispersible granules. The method is simple in process and low in cost; and the obtained imazethapyr water dispersible granules are safe and environment-friendly, do not produce dust pollution, are difficult to produce pesticide hazard, have an excellent prevent effect on annual or perennial gramineous weeds and certain broad leaf weeds in soybean fields and other bean plant fields such as amaranth, polygonum, goosefoots, nightshade, xanthium sibiricum, barnyard grass, setaria viridis, digitaria sanguinalis, proso millet and the like, are convenient to use, and are suitable for large-area popularization and use.

Description

technical field [0001] The invention relates to a pesticide preparation and a preparation method thereof, in particular to an imazethapyr water-dispersible granule and a preparation method thereof. Background technique [0002] Pesticide water dispersible granules are water-insoluble solid pesticide raw materials, wetting agents, dispersants, other functional additives and carriers, which are thoroughly mixed and pulverized into fine powder solids, and then kneaded, granulated, dried and sieved The pesticide formulation formed by the grading operation can be rapidly disintegrated into the original particle size in water and dispersed into a stable suspension. Water-dispersible granules have no solvent and dust, are safe for operators, have no airiness, avoid the disadvantages of traditional dosage forms such as emulsifiable concentrate, powder and wettable powder, such as large amount of solvent and dust, absorb and utilize its advantages, and develop rapidly. It is conside...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/50A01N25/14A01P13/00
Inventor 孙国庆侯永生路雪林吴勇
Owner SHANDONG WEIFANG RAINBOW CHEM
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