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Methylamino abamectin benzoate water dispersible granules and method for preparing same

A technology of emamectin and benzoate, which is applied in the field of emamectin benzoate water-dispersible granules and its preparation, can solve the problems of increasing production raw material costs, inconvenient packaging, storage and transportation, Unfriendly to the environment and other issues, to achieve the effect of reducing the use of pesticides, good resuspension, and solving transdermal toxicity

Inactive Publication Date: 2012-05-30
SHANGHAI NONGLE BIOLOGICAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

EC and microemulsion preparations are not only unfriendly to the environment, but also increase the cost of raw materials for production due to rising oil prices
In addition, the emulsifiable concentrate and microemulsion preparations are in a liquid state, which is not convenient for packaging, storage and transportation, so it is a general trend to develop new preparations to replace emulsifiable concentrate and microemulsion preparations

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The preparation method of emamectin benzoate water-dispersible granule, the method may further comprise the steps:

[0043] Formula (wt%): emamectin benzoate 5%, polycarboxylate dispersant 2%, alkyl sulfonate wetting agent 1%, sodium carbonate 1%, light calcium carbonate 20 %, Kaolin 71%;

[0044] Steps:

[0045] Put emamectin benzoate, polycarboxylate dispersant, alkyl sulfonate wetting agent, sodium carbonate, light calcium carbonate and kaolin in the container in turn according to the above formula, and then pour Stir in a mixer to mix well. Grind evenly in a jet mill. Add 10wt% water to the pulverized powder and knead it in a mixer to agglomerate the material into lumps. The kneaded material is extruded and granulated by an extrusion granulator. The extruded particles are dried in an oven, and the temperature of the oven is controlled to be 54° C. for drying. Shaping and sieving are carried out after drying, and qualified products are obtained after sieving. ...

Embodiment 2

[0047] The preparation method of emamectin benzoate water-dispersible granule, the method may further comprise the steps:

[0048] Formula (wt%): emamectin benzoate 30%, polycarboxylate dispersant 3.5%, anionic wetting agent 3.5%, layered crystalline sodium disilicate 1%, kaolin 58.5%;

[0049] Steps:

[0050] Put emamectin benzoate, polycarboxylate dispersant, anionic wetting agent, layered crystalline sodium disilicate and kaolin in the container in sequence according to the above formula, and then pour it into the stirring mixer for mixing uniform. Grind evenly in a jet mill. Add 15wt% water to the pulverized powder and knead it in a mixer to agglomerate the material into lumps. The kneaded material is extruded and granulated by an extrusion granulator. The extruded pellets were dried in an oven. Shaping and sieving are carried out after drying, and qualified products are obtained after sieving.

Embodiment 3

[0052] The preparation method of emamectin benzoate water-dispersible granule, the method may further comprise the steps:

[0053] Formula (wt%): emamectin benzoate 50%, polycarboxylate dispersant 10%, anionic wetting agent 8%, layered crystalline sodium disilicate 8%, kaolin 24%;

[0054] Steps:

[0055] Put emamectin benzoate, polycarboxylate dispersant, anionic wetting agent, layered crystalline sodium disilicate and kaolin in the container in sequence according to the above formula, and then pour it into the stirring mixer for mixing uniform. Grind evenly in a jet mill. Add 10wt% water to the pulverized powder and knead it in a mixer to agglomerate the material into lumps. The kneaded material is extruded and granulated by an extrusion granulator. The extruded pellets were dried in an oven. Shaping and sieving are carried out after drying, and qualified products are obtained after sieving.

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Abstract

The invention relates to methylamino abamectin benzoate water dispersible granules and a method for preparing the same. Raw materials include, by weight, 5-50 parts of methylamino abamectin benzoate, 1-15 parts of dispersant, 1-10 parts of wetting agent, 1-10 parts of disintegrant and 2-80 parts of filler. The raw materials are weighed, mixed well and evenly crushed in a jet mill, water is added before mixture is kneaded to lumps extruded for granulation, granules extruded are placed in a drying box to be dried, and finally the finished products are obtained by shaping and screening. Compared with the prior art, the methylamino abamectin benzoate water dispersible granules have the advantages of no dust, high content of active ingredients, proneness to disintegration in water, high dispersibility, high suspendability and the like.

Description

technical field [0001] The invention relates to the field of new dosage forms of pesticides and insecticides, in particular to a water-dispersible granule of emamectin benzoate and a preparation method thereof. Background technique [0002] Methylamino Abamectin Benzoate (Methylamino Abamectin Benzoate for short) is a macrolide disaccharide compound obtained by semichemical synthesis of abamectin. Compared with abamectin, the toxicity of this compound is one-third, and the activity is increased by 10-1000 times. It has high efficiency, broad spectrum, low toxicity, no residue, and no cross-resistance with other insecticides. Advantages, it is considered to be an ideal substitute for highly toxic insecticides. At present, emamectin benzoate insecticide has been widely used in developed countries. [0003] The mechanism of action of emamectin benzoate on pests is to enhance the effect of neurotransmitters, so that a large amount of chloride ions enter the nerve cells, causin...

Claims

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Application Information

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IPC IPC(8): A01N25/14A01N43/90A01P7/04A01P7/02
Inventor 冯镇泰华纯
Owner SHANGHAI NONGLE BIOLOGICAL PROD
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