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Production process of pyraclostrobin microcapsule suspension agents

A technology of pyraclostrobin and microcapsule suspension agent, which is applied in the field of pesticide formulations and achieves the effects of improving toxicological properties, simple steps and convenient operation.

Inactive Publication Date: 2018-10-16
郭秦
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the shortcoming in the prior art that pyraclostrobin has

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A production process of pyraclostrobin microcapsule suspension, comprising the steps of:

[0023] S1. Preparation of pyraclostrobin microcapsule suspension: in terms of mass percentage, pyraclostrobin active ingredient 1-40%, epoxy resin 1-20%, solvent 1-40%, emulsifier 1-10% , dispersant 1-10%, curing agent 0.1-5%, thickener 0.1%-5%, antifreeze 1-5%, preservative 0.1-2%, defoamer 0.1-1%, and the rest is composed of water ;

[0024] S2. Add corresponding quality pesticides, oily capsule materials, solvents, and emulsifiers into the oil phase kettle, mix and stir for about 30 minutes, and stir to obtain an oil phase liquid;

[0025] S3. Add corresponding quality water, dispersant, antifreeze, and defoamer into the water phase shearing kettle, stir until completely dissolved, and obtain the water phase liquid;

[0026] S4. Slowly add the oil phase liquid obtained in S1 to the water phase liquid obtained in S2. During the addition process, use frequency conversion sheari...

Embodiment 2

[0038] A production process of pyraclostrobin microcapsule suspension, comprising the steps of:

[0039] S1. Preparation of pyraclostrobin microcapsule suspension: in terms of mass percentage, pyraclostrobin active ingredient 1-30%, epoxy resin 1-8%, solvent 1-25%, emulsifier 1-4% , 1-3% dispersant, 0.1-1% curing agent, 0.1%-0.15% thickener, 1-5% antifreeze, 0.1-0.1% preservative, 0.1-0.2% defoamer, and the rest is composed of water ;

[0040] S2. Add corresponding quality pesticides, oily capsule materials, solvents, and emulsifiers into the oil phase kettle, mix and stir for about 30 minutes, and stir to obtain an oil phase liquid;

[0041] S3. Add corresponding quality water, dispersant, antifreeze, and defoamer into the water phase shearing kettle, stir until completely dissolved, and obtain the water phase liquid;

[0042] S4. Slowly add the oil phase liquid obtained in S1 to the water phase liquid obtained in S2. During the addition process, use frequency conversion sh...

Embodiment 3

[0054] A production process of pyraclostrobin microcapsule suspension, comprising the steps of:

[0055] S1. Preparation of pyraclostrobin microcapsule suspension: in terms of mass percentage, pyraclostrobin active ingredient 1-10%, epoxy resin 1-20%, solvent 1-5%, emulsifier 1-7% , 1-2% dispersant, 0.1-1.2% curing agent, 0.1%-5% thickener, 1-0.2% antifreeze, 0.1-0.25% preservative, 0.1-0.2% defoamer, and the rest is composed of water ;

[0056] S2. Add corresponding quality pesticides, oily capsule materials, solvents, and emulsifiers into the oil phase kettle, mix and stir for about 30 minutes, and stir to obtain an oil phase liquid;

[0057] S3. Add corresponding quality water, dispersant, antifreeze, and defoamer into the water phase shearing kettle, stir until completely dissolved, and obtain the water phase liquid;

[0058] S4. Slowly add the oil phase liquid obtained in S1 to the water phase liquid obtained in S2. During the addition process, use frequency conversion ...

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Abstract

The invention discloses a production process of pyraclostrobin microcapsule suspension agents. The production process comprises the following steps: adding corresponding mass of a pesticide, an oily capsule material, a solvent and an emulsifying agent into an oil-phase kettle, mixing and stirring for about 30 minutes, stirring to obtain oil-phase liquid, adding corresponding mass of water, a dispersing agent, an anti-freezing agent and a defoaming agent into a water-phase shearing kettle, stirring until the materials are completely dissolved to obtain water-phase liquid, then slowly adding corresponding mass of a curing agent, and mixing and stirring for 0.5-1 hour to obtain products. Through the production process, a microcapsule technology is capable of ensuring that effective componentsare accurately released on the surfaces of rice leaves; when spray droplets are dried on the surfaces of the rice leaves, the pyraclostrobin coated in the capsules can be rapidly released, so that anoptimal rice blast controlling effect can be achieved; a small quantity of the capsules fallen into the water in the rice field remain complete and sink into the mud bottom; the pesticide componentsare capable of degrading microorganisms in the mud bottom; compared with the conventional pesticide formulation, the new microcapsule technology is capable of better improving the toxicologic properties of the products and is more environmentally friendly.

Description

technical field [0001] The invention belongs to the field of pesticide preparations, and relates to a method for preparing a pyraclostrobin microcapsule suspension using a novel polymer as a microcapsule wall material, and more specifically, to a pyraclostrobin microcapsule suspension. Capsule suspension production process. Background technique [0002] Pyraclostrobin is a methoxyacrylate fungicide with a pyrazole structure, it inhibits mitochondrial respiration by preventing electron transfer between cytochrome b and c1, so that mitochondria cannot produce and provide what is needed for normal cell metabolism The energy ATP, eventually leading to cell death, pyraclostrobin can be used in various crops such as wheat, peanuts, rice, vegetables, fruit trees, tobacco, tea trees, ornamental plants, lawns, etc. Leaf blight, rust, powdery mildew, downy mildew, blight, anthracnose, scab, brown spot, blight and other diseases caused by oomycete fungi, rice blast is the main disease...

Claims

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Application Information

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IPC IPC(8): A01N47/24A01N25/28A01N25/04A01P3/00B01J13/14
CPCA01N25/04A01N25/28A01N47/24B01J13/14
Inventor 郭秦田勤俭崔利飞梁伟霞尹占杰郭齐
Owner 郭秦
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