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Water-dispersible granules of emamectin benzoate

A technology of emamectin and benzoate, applied in the direction of insecticides, biocides, animal repellents, etc., to achieve the effects of improving drug efficacy, reducing solvent costs, and increasing service life

Inactive Publication Date: 2011-11-30
汪敏南
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved in the present invention is to overcome the defects of the existing water-dispersible granules of emamectin benzoate, and provide a water-dispersible granule that does not contain binder, has good dispersion effect and good stability. Dispersible Granule Formulation

Method used

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  • Water-dispersible granules of emamectin benzoate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Emamectin benzoate 5% WDG: emamectin 5.0%, polycondensed naphthalene sulfonate 15.0%, sodium lauryl sulfate 5.0, ammonium sulfate 37.0%, starch 35.0%, epoxy soybean oil 3.0 %, according to the above weight ratio, first weigh the original drug of emamectin benzoate, polycondensed naphthalene sulfonate, sodium lauryl sulfate, ammonium sulfate, starch and epoxy soybean oil and add them to the feeding kettle. Thoroughly mix evenly, and then pulverize by jet mill, then mix again, and then pulverize into wettable powder by superfine pulverizer. Then add the prepared wettable powder and appropriate amount of water into a kneader for kneading to make a plastic material suitable for granulation, and put it into a press granulator for extrusion granulation. Then the extruded particles are fully dried, and then shaped and sieved after drying. After sieving, a product with a qualified particle size is obtained, and then the product is tested and analyzed. Its physical and chemical ...

Embodiment 2

[0022] Emamectin benzoate 3% WDG: emamectin 3.0%, sodium methylene bis-naphthalene sulfonate 8.0%, calcium alkylbenzene sulfonate 6%, sodium lauryl sulfate 6.0%, sulfuric acid Sodium 35.0%, starch 39.0%, epichlorohydrin 3.0%, the former drug of emamectin benzoate, sodium methylene bis-naphthalene sulfonate, sodium lauryl sulfate, sodium sulfate, starch and epoxy The chloropropane is weighed and added to the feeding kettle, fully mixed evenly in the twin-screw stirring tank, pulverized by a jet mill, then mixed, and then pulverized into a wettable powder by an ultrafine pulverizer. Then add the prepared wettable powder and appropriate amount of water into a kneader for kneading to make a plastic material suitable for granulation, and put it into a press granulator for extrusion granulation. Then fully dry the extruded particles, shape and sieve after drying, and obtain a product with a qualified particle size after sieving, and then test and analyze the product. Its physical an...

Embodiment 3

[0030] Emamectin benzoate 10% WDG: emamectin 10.0%, phenethylphenol polyoxyethylene sodium sulfate 10.0%, alkyl naphthalene sulfonate condensation polymer 8.0%, bentonite 24.0%, hexametaphosphoric acid Sodium sodium 5.0%, kaolin 40.0%, epoxy linseed oil 3.0%, the former drug of emamectin benzoate, phenylethylphenol polyoxyethylene sodium sulfate, alkylnaphthalene sulfonate polycondensate, bentonite, cyclic Oxygenated linseed oil, sodium hexametaphosphate and kaolin are weighed and added to the feeding kettle, fully mixed evenly through the twin-screw stirring tank, then pulverized by the jet mill, and then mixed, and then pulverized by the superfine pulverizer into wettable powder. Then add the prepared wettable powder and appropriate amount of water into a kneader for kneading to make a plastic material suitable for granulation, and put it into a press granulator for extrusion granulation. Then the extruded particles are fully dried, shaped and sieved after drying, and the p...

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Abstract

Water-dispersible granules of methylaminoavermectin benzoate, which include the following weight ratio components: methylaminoavermectin benzoate 1-30%, wetting and dispersing agent 10-20 %, disintegrant 1-50%, stabilizer 0.1-5%, carrier 35-75%. The formula of the present invention overcomes the technical difficulties existing in the preparation of water-dispersible granules of emamectin benzoate, reduces solvent costs, packaging costs and transportation costs, and is convenient for storage and transportation; it avoids the use of binders, The quality of the product has been greatly improved, the efficacy has increased by more than 20%, and the stabilizer has increased the service life of the product.

Description

Technical field [0001] The invention relates to a pesticide preparation, specifically a water-dispersible granule containing methylaminoavermectin benzoate. Background technique [0002] Emamectin benzoate (abamectin benzoate for short) is a super-efficient green pesticide with the characteristics of super-efficient, broad-spectrum, nearly non-toxic, no residue, and no resistance, and has been recognized by the industry It will replace other pesticides and become the leading pesticide product in the 21st century. Emamectin salt pesticides are currently widely used in industrially developed countries in the world to control pests in food, cash crops and vegetables. At present, emamectin salt preparations are still mainly emulsifiable concentrate, and about 88% (weight ratio) of the preparation is toluene, xylene, methanol and other organic solvents that have an impact on humans and the environment. The solvents used in emulsifiable concentrate preparations not only have an ...

Claims

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Application Information

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IPC IPC(8): A01N25/12A01N43/90A01N25/30A01P7/04
Inventor 汪敏南
Owner 汪敏南
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