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Pyraclostrobin water-dispersible granule and preparation method thereof

A technology of pyraclostrobin and dispersible granules, applied in the field of pesticides, can solve the problems of high use cost, endanger human health, environmental pollution and the like, and achieve the effects of saving packaging, reducing environmental pollution and reducing environmental pollution

Active Publication Date: 2015-11-18
中高(天津)知识产权管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the disadvantages of environmental pollution, harm to human health and high use cost in the prior art, and develop a high-content, environmentally friendly, high utilization rate and easy-to-use pyraclostrobin water-dispersible granules

Method used

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  • Pyraclostrobin water-dispersible granule and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1: 80% pyraclostrobin water dispersible granules.

[0034] Weigh 80% pyraclostrobin original powder, 4% sodium lauryl sulfate as wetting agent, 3% polycarboxylate as dispersant, 4% sodium lignosulfonate, 5% sodium sulfate as disintegrant, and sodium sulfate The foaming agent isooctyl alcohol 0.4%, the binder sucrose 0.5%, and the carrier kaolin is supplemented to 100%; the pyraclostrobin and other additives except the binder are mixed in a non-gravity mixer according to the formula ratio for 20 minutes , Then put the mixture into a double screw mixer (Ⅰ), and mix it with a jet mill to pulverize to a particle size of 1000 mesh or more, and collect it by a cyclone separator and a bag filter, and finally in a double screw mixer (Ⅱ) Mix it again for 30 minutes to obtain a uniform mother powder. Then accurately weigh the quantitative mother powder in the cyclone fluidized bed granulator, spray the binder aqueous solution according to the formula, and finally dry it to ...

Embodiment 2

[0035] Example 2: 50% pyraclostrobin water dispersible granules.

[0036] Weigh 50% pyraclostrobin original powder, 4% sodium lauryl sulfate as wetting agent, 3% naphthalene sulfonate formaldehyde condensate as dispersant, 4% sodium lignin sulfonate, and 30% disintegrant urea , Binder sucrose 0.5%, defoamer organic silicone 0.3%, carrier diatomaceous earth to make up to 100%, and pyraclostrobin and other additives except the binder in the non-gravity mixer according to the formula ratio After mixing for 20 minutes, put the mixture into the double screw mixer (Ⅰ), and pulverize by the jet mill while mixing to reach a particle size of more than 1000 meshes, collect it by a cyclone separator and a bag filter, and finally mix in the double screw Mix again for 30 minutes in the machine (II) to obtain a uniform master powder. Then accurately weigh a certain amount of mother powder in a rotary fluidized bed granulator, spray the binder aqueous solution according to the formula, and fin...

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Abstract

The invention discloses a pyraclostrobin water dispersible granule and a preparation method thereof. The pyraclostrobin water dispersible granule comprises components by weight percentage of: 10-80% of pyraclostrobin, 1-8% of wetting agent, 1-10% of dispersing agent, 1-40% of disintegrating agent, 0.3-5% of antifoaming agent, 0.5-4% of binder and the balance of carrier. The invention also discloses the preparation method of the pyraclostrobin water dispersible granule. The invention overcomes shortcomings of suspension and wettable powder, has both advantages of environmental protection and low cost, reduces environmental pollution during processing and usage, and also reduces usage cost for farmers. Therefore, the pyraclostrobin water dispersible granule is a main trend in the development of pesticide formulations.

Description

Technical field [0001] The invention belongs to the field of pesticides, and specifically relates to a pyraclostrobin water dispersible granule and a preparation method thereof. Background technique [0002] Chemical control is an important means for humans to prevent and control agricultural and forestry pests and diseases. Chemical pesticides play a very important role in ensuring the increase in agricultural production and income. However, the use of pesticides, while ensuring safe food production, also brings a series of environmental residues and pollution. And social issues. It is only due to the chemical pesticides themselves, and to a large extent, due to the unreasonable processing and application methods of pesticide formulations. According to reports, the utilization rate of conventional pesticides is only 20%-30%, and the loss rate through various channels is as high as 50%-60%. This is not only a waste of economy, but also causes extensive environmental pollution. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/14A01N47/24A01P3/00
Inventor 曹希敏王龙江孟宪秋阎工程彭述明
Owner 中高(天津)知识产权管理有限公司
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