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Water dispersion granule of methylamino avermectin benzoate and preparation method thereof

A technology of methylamino abamectin and benzoate, which is applied to the composition preparation containing methylamino abamectin benzoate and the field of preparation thereof, so as to achieve pollution reduction, storage and transportation safety, and solvent reduction. cost effect

Inactive Publication Date: 2009-02-11
广州市顾地丰农药有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But emamectin benzoate preparation is still based on emulsifiable concentrate at present, and about 88% (weight ratio) is the organic solvent that toluene, xylene, methyl alcohol etc. bring influence to human beings and the environment in the preparation

Method used

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  • Water dispersion granule of methylamino avermectin benzoate and preparation method thereof
  • Water dispersion granule of methylamino avermectin benzoate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: Avermectin Benzoate 5% WDG

[0020] Emamectin 5.0%

[0021] Polycondensation naphthalene sulfonate 15.0%

[0022] Alkylnaphthalene sulfonate 5.0%

[0023] Polyethylene Glycol 3.0%

[0024] Denatured polyvinyl alcohol 1.0%

[0025] White carbon black 71.0%

[0026] According to the above weight ratio, firstly weigh the original drug of emamectin salt, polycondensation naphthalene sulfonate, alkyl naphthalene sulfonate, polyethylene glycol, denatured polyvinyl alcohol and white carbon black and add them into the feeding kettle. The kettle is fully mixed, and then pulverized by a jet mill, and then mixed, and then pulverized into a wettable powder by an ultra-fine pulverizer. Then, the binder is dissolved in water to make an aqueous solution of the binder, and the obtained wettable powder and the aqueous solution of the binder are added to the kneader for kneading to make a plastic material suitable for granulation. The plastic material is added to the extr...

Embodiment 2

[0034] Example 2: Avermectin Benzoate 10% WDG

[0035] Emamectin 10.0%

[0036] Sodium Methylene Dinaphthalene Sulfonate 8.0%

[0037] Pull powder 3.0%

[0038] Calcium Alkylbenzene Sulfonate 3.0%

[0039] White carbon black 35%

[0040] Diatomaceous earth 38.5%

[0041] Modified starch 2.0%

[0042] Carboxymethylcellulose 0.5%

[0043] According to the above weight ratio, firstly weigh the original drug of emamectin salt, sodium methylene dinaphthalene sulfonate, pull open powder, calcium alkyl benzene sulfonate, white carbon black, diatomaceous earth, modified starch and carboxymethyl cellulose. A good amount is added to the feeding kettle, fully mixed by the twin-screw stirring tank, and then pulverized by the jet mill, and then mixed, and then pulverized into a wettable powder by an ultra-fine pulverizer. Then, the binder is dissolved in water to make an aqueous solution of the binder, and the obtained wettable powder and the aqueous solution of the binder are added...

Embodiment 3

[0051] Example 3: Avermectin Benzoate 20% WDG

[0052] Emamectin 20.0%

[0053] Acid-bound lignosulfonate 10.0%

[0054] Alkylnaphthalene sulfonate polycondensate 8.0%

[0055] Bentonite 4.0%

[0056] Polyethylene glycol 0.8%

[0057] Terracotta 25.0%

[0058] Light calcium 32.2%

[0059] According to the above weight ratio, firstly weigh the original drug of emamectin, acid-binding lignin sulfonate, alkylnaphthalene sulfonate polycondensate, bentonite, polyethylene glycol, clay and light calcium, and add them into the feeding kettle. The twin-screw stirring tank is fully mixed, and then pulverized by a jet mill, and then mixed, and then pulverized into a wettable powder by an ultrafine pulverizer. Then, the binder is dissolved in water to make an aqueous solution of the binder, and the obtained wettable powder and the aqueous solution of the binder are added to the kneader for kneading to make a plastic material suitable for granulation. The plastic material is added to...

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Abstract

The invention discloses a water dispersible granule of methylamine-avermectins benzoate and a preparation method thereof, wherein, the water dispersible granule is composed of the following components by weight percentage: 1 to 50 percent of methylamine-avermectins benzoate, 10 to 20 percent of wetting-dispersing agent, 1 to 5 percent of disintegrant, 0.1 to 2 percent of caking agent, and 38.9 to 72 percent of carrier. The invention adopts the special formula to overcome the exsiting technical problems of preparing the water dispersible granule by the methylamine-avermectins benzoate, and processes the methylamine-avermectins benzoate into the water dispersible granule for the first time, the invention not only can reduce the solvent cost, the packing cost and the transport cost, but also has safe storage and transport, and more importantly, and more importantly reduces the pollution of the organic solvent to the environment.

Description

technical field [0001] The invention relates to methylamino abamectin benzoate, in particular to a composition preparation containing methylamino abamectin benzoate and a preparation technology thereof. Background technique [0002] Amino abamectin benzoate (referred to as emamectin salt), trade name procloim (banleptm). It is an ultra-efficient green insecticide. Avermectin benzoate is obtained from abamectin through chemical semi-synthesis. Abamectin series products are widely used in the fields of medicine, pesticide and veterinary medicine, and are known as another drug after penicillin. revolution. Starting from Abamectin B1a, the chemically modified and synthesized emamectin salt has an activity of 10-1000 times higher than that of the parent Abamectin. The characteristics of drug resistance are recognized by the industry that it will replace other pesticides and become the leading pesticide product in the 21st century. At present, the industrial developed countrie...

Claims

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Application Information

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IPC IPC(8): A01N25/12A01N43/90A01P7/00
Inventor 龙浩刘志
Owner 广州市顾地丰农药有限公司
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