Water dispersion particle agent of abamectin and its producing method

A technology for dispersing particles and abamectin, applied in the directions of botanical equipment and methods, biocides, animal repellents, etc., can solve the problems of organic solvent environmental pollution, waste of organic resources, dust pollution of the environment, etc., and achieve high killing efficiency. The effect of insect activity, high suspension rate and strong permeability

Inactive Publication Date: 2006-06-07
武汉绿世纪生物工程有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the content of organic solvents in EC is as high as 90%, the widespread use of EC will cause environmental pollution by organic solvents, and on the other hand waste valuable organic resources
Dust pollutes the environment during the production of wettable powder, and the suspension rate of wettable powder is generally about 70%, which affects the efficacy of the drug

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Formulation Example 1 Preparation of 1% Abamectin Water Dispersible Granules

[0022] The ratio of the solubilizer is 60% isopropanol and 40% dichloromethane.

[0023] The emulsifier ratio is: Tween 80 60%, calcium dodecyl benzene sulfonate 40%, the two are fully mixed uniformly.

[0024] The coating agent ratio is: Juan Mica powder 70%, sodium dodecylbenzene sulfonate 30%, the two are fully mixed and crushed to 325 mesh.

[0025] In the first step, 80 kg of solubilizer and 60 kg of emulsifier are accurately weighed out, and the two are fully mixed into a uniform solution. Then accurately weigh 10 kg of abamectin crystals (press B 1a The components are calculated by 100%). In this case, urea is used as the carrier, and 855 kg of urea is accurately weighed in the third step. Finally, weigh 100 kg of the mixed coating agent, and the total weight of the material is 1108 kg.

[0026] First, carefully dissolve 10 kg of abamectin in the prepared mixed solution, then load the carr...

Embodiment 2

[0027] Formulation Example 2 Preparation of 2% Abamectin Water Dispersible Granules

[0028] The solubilizer ratio is: n-butanol 60%, methylene chloride 30%, dimethyl sulfoxide 10%, and the three are fully mixed.

[0029] The emulsifier ratio is: Tween 60 70%, calcium dodecyl benzene sulfonate 30%, the two are fully mixed and uniform.

[0030] The proportion of coating agent is 85% soluble starch and 15% sodium dodecylbenzene sulfonate. The two are thoroughly mixed and crushed to 325 mesh.

[0031] Accurately weigh out 80 kilograms of solubilizer and 80 kilograms of emulsifier, and stir them thoroughly to form a uniform mixed solution. Accurately weigh 20 kg of abamectin crystals (B 1a Calculate the components by 100%), put it into the above-mentioned 160 kg mixed solution and fully dissolve it into abamectin B 1a Solution. In this example, KCl was used as the carrier, and 836 kg of KCl was weighed. Abamectin B 1a The solution is put into the granulator, stirred, put 840 kg of car...

Embodiment 3

[0032] Formulation Example 3 Preparation of 2.5% Abamectin Water Dispersible Granules

[0033] The solubilizer ratio is: 60% absolute ethanol, 30% xylene and 10% dimethyl sulfoxide, and the three are mixed.

[0034] The emulsifier ratio is: Tween 80 45%, calcium dodecylbenzene sulfonate 55%, and the two are fully mixed.

[0035] The coating agent ratio is: dextrin 40%, carboxymethyl cellulose 10%, sodium dodecylbenzene sulfonate 50%, the three are mixed and crushed to 325 mesh.

[0036] Accurately weigh out 90 kilograms of solubilizer and 90 kilograms of emulsifier, and stir them thoroughly to form a mixed solution. Then accurately weigh 25.0 kg of abamectin crystals (press B 1a Calculate the components by 100%), put them into the above-mentioned 180 kg mixed solution and dissolve carefully to become abamectin B 1aSolution. In this example, sucrose (white sugar) plus urea (2:1) was used as the carrier, and 830 kg of the mixed carrier was weighed and loaded into the granulator. Sta...

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PUM

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Abstract

The present invention relates to water dispersed particle agent of abamectin as miticidal and pesticidal active component and its preparation process. This kind of water dispersed particle agent has three-layer structure, including water soluble carrier of chemical fertilizer, such as urea, KCl and ammonium dihydrogen phosphate, or saccharide, such as cane sugar; the second layer of coating formed through painting abamectin dissolved in co-solvent plus emulsifier; and the third layer of coating of mixed coating agent comprising dextrin, soluble starch, dodecyl benzene sulfate, etc. The present invention has the pesticidal activity of abamectin and the function of foliage fertilizer, contains no organic solvent, and is environment friendly and easy to transport and storing.

Description

【Technical Field】 [0001] The invention belongs to the field of pesticide processing, and specifically relates to abamectin water dispersible granules and a production method thereof. 【Background technique】 [0002] Avermectins (Avermectins) are macrolide insecticidal antibiotics. They have high-efficiency and broad-spectrum acaricidal and insecticidal activities, have gastric toxicity and contact killing effects on mites and insects, and have strong permeability. The medicinal liquid sprayed on the leaf surface quickly penetrates into the mesophyll to form numerous miniature medicine sacs. Adults and nymphs of mites and insect larvae appear paralysed immediately after eating and contacting the medicinal liquid. They are inactive and do not feed. 2- Died 4 days later. Since there is very little medicament left on the leaf surface, and it is quickly decomposed into non-toxic substances, it is less lethal to natural enemies. [0003] The main dosage form of abamectin is emulsifiable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N25/12
Inventor 谢九皋张国安
Owner 武汉绿世纪生物工程有限责任公司
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