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Novel emamectin benzoate water-dispersible granule and method for preparing same

A technology of methylamino abamectin and dispersible granules, applied in the directions of botanical equipment and methods, insecticides, biocides, etc., can solve problems such as inability to achieve insecticidal effect, waste, environmental pollution and the like

Inactive Publication Date: 2017-02-15
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The medicinal liquid that does not enter the leaves will generally form solid deposits as the water evaporates. The solid deposits cannot be absorbed by the leaves, and are greatly affected by natural conditions such as light, wind, and rain. No insecticidal effect, wasted in the environment
This is also an important reason for the low utilization rate of many pesticides in my country.
[0004] Pesticide is a necessary substance for agricultural production. Under the current technical level, it is unscientific and unrealistic not to use pesticide, but pesticide is also a poisonous, harmful and polluting substance to the environment.

Method used

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  • Novel emamectin benzoate water-dispersible granule and method for preparing same
  • Novel emamectin benzoate water-dispersible granule and method for preparing same
  • Novel emamectin benzoate water-dispersible granule and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: 5% emamectin water-dispersible granules

[0027] Accurately weigh 5 parts of active ingredients emamectin, 4 parts of sodium lauryl sulfate, 4 parts of polycarboxylate dispersant, 4 parts of naphthalene sulfonate, 2 parts of BHA, 20 parts of ammonium sulfate, polyacrylamide 1 part, 20 parts of polyethylene glycol (PEG2000), 10 parts of urea, 2 parts of thioketone, and the balance is starch; mixed in the pre-mixer for 40 minutes, firstly crushed mechanically, and then carried out airflow crushing in a fluidized bed, Control the particle size D98 of the product to be less than 8 microns; mix the pulverized material with a mixer for 50 minutes; after passing the test, add the material to the kneader, add about 20% of the material weight in water, and knead for 15 minutes; the kneaded material Extruded into granules by an extrusion granulator; the extruded materials are added to a fluidized bed dryer and dried until the moisture content is less than 1.5%, samp...

Embodiment 2

[0028] Embodiment 2: 2% emamectin water dispersible granules

[0029] Accurately weigh 2 parts of active ingredients emamectin, 3 parts of sodium dodecylbenzene sulfonate, 4 parts of polycarboxylate dispersant, 3 parts of naphthalene sulfonate, 2 parts of BHA, 20 parts of ammonium sulfate, 2 parts of polyacrylamide, 15 parts of polyethylene glycol (PEG3000), 15 parts of urea, 1 part of thioketone, and the rest is starch; mixed in the pre-mixer for 40 minutes, firstly crushed mechanically, and then processed in a fluidized bed Jet milling, control the product particle size D98 to be less than 8 microns; mix the pulverized material with a mixer for 40 minutes; after passing the test, put the material into the kneader, add about 15% of the material weight in water, and knead for 20 minutes; knead Good materials are extruded into granules by an extrusion granulator; the extruded materials are added to a fluidized bed dryer and dried until the moisture content is less than 1.5%, sa...

Embodiment 3

[0030] Embodiment 3: 8% emamectin water-dispersible granules

[0031] Accurately weigh 8 parts of active ingredients emamectin, 3 parts of sodium lauryl sulfate, 1 part of tallow amine, 4 parts of polycarboxylate dispersant, 3 parts of lignosulfonate, 2 parts of naphthalene sulfonate 2 parts of UV-327, 1 part of BHT, 10 parts of ammonium sulfate, 2 parts of polyacrylamide, 25 parts of polyethylene glycol (PEG3000), 20 parts of urea, 1 part of fast penetrating agent T, 1 part of thioketone, diatomaceous earth 10 parts, the balance is starch; mixed in the pre-mixer for 50 minutes, firstly crushed mechanically, and then carried out airflow crushing in a fluidized bed to control the product particle size D98 to be less than 8 microns; mix the crushed materials with a mixer for 50 minutes Minutes; after passing the test, put the material into the kneader, add about 15% water of the material weight, and knead for 30 minutes; the kneaded material is extruded into granules by extrusio...

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Abstract

The invention relates to a novel emamectin benzoate water-dispersible granule. The novel emamectin benzoate water-dispersible granule comprises, by weight, 1%-10% of emamectin benzoate, 1%-5% of wetting agents, 1%-10% of dispersing agents, 1%-5% of photolysis-resistant agents, 1%-40% of disintegrating agents, 1%-30% of water retaining agents, 1%-10% of absorption promoters and the balance carriers. The novel emamectin benzoate water-dispersible granule has the advantages that the dosage of the novel emamectin benzoate water-dispersible granule can be reduced when the novel emamectin benzoate water-dispersible granule is used and can be reduced by 10-30% of the normal dosage of the novel emamectin benzoate water-dispersible granule when the novel emamectin benzoate water-dispersible granule is used in a field, but effects which are superior to effects without the novel emamectin benzoate water-dispersible granule still can be realized by the novel emamectin benzoate water-dispersible granule.

Description

technical field [0001] The invention relates to an agricultural insecticide, in particular to an emamectin water-dispersible granule and a preparation method thereof. Background technique [0002] Emamectin is a new type of high-efficiency semi-synthetic antibiotic insecticide synthesized from the fermentation product Abamectin B1. It has ultra-high efficiency, low toxicity (the preparation is almost non-toxic), low residue, and no pollution. The characteristics of pesticides, compared with abamectin, the insecticidal activity is firstly increased by 3 orders of magnitude, and the activity to the larvae of Lepidoptera insects and many other pests is extremely high. The dose (0.084-2g / ha) has a very good effect, and does not harm beneficial insects in the process of controlling pests, which is beneficial to the comprehensive control of pests. Its main form in pesticide preparation products is emamectin benzoate. [0003] Since the insecticidal mechanism of emamectin is main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/14A01N43/90A01P7/04
Inventor 彭述明陈军周斌
Owner GUANGDONG ZHONGXUN AGRI TECH