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Microcapsule suspension-suspending agent containing avermectin and fluopyram, and preparation method thereof

A technology of fluopyram and microcapsule suspension, which is applied in the field of pesticide preparation, can solve the problems of organic solvent pollution, easy failure of abamectin, and agglomeration and solidification of preparations, so as to increase storage stability and increase the durability of preparations. The effect of validity period and extended storage period

Inactive Publication Date: 2019-08-23
PILARQUIM SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems that in the existing abamectin and fluopyram combination products, the abamectin is prone to failure, the preparation is prone to agglomeration and solidification, and contains organic solvents to pollute the environment. The microcapsule suspension-suspension of fluopyram and fluopyram and the preparation method thereof, the microcapsule suspension-suspension has good storage stability and long-lasting effect, can effectively reduce the frequency of application, reduce the dosage, and does not contain organic Solvent, little environmental pollution

Method used

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  • Microcapsule suspension-suspending agent containing avermectin and fluopyram, and preparation method thereof
  • Microcapsule suspension-suspending agent containing avermectin and fluopyram, and preparation method thereof
  • Microcapsule suspension-suspending agent containing avermectin and fluopyram, and preparation method thereof

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preparation example Construction

[0021] The first aspect of the present disclosure: a method for preparing a microcapsule suspension-suspension containing abamectin and fluopyram is provided, the method comprising:

[0022] a. Mix the oil phase material with the water phase material to obtain an O / W type emulsion; wherein, the weight ratio of the oil phase material to the water phase material is 1: (0.5~5), and the oil phase material contains A Vermectin, organic solvent and macromolecule wall material, contain water and emulsifying agent in the described aqueous phase material; B, remove the organic solvent in the described O / W type emulsion, obtain avermectin microcapsule suspension; c , the Abamectin microcapsule suspension is mixed with the first dispersant, the first thickener and the first antifreeze agent to obtain the Abamectin microcapsule suspension; d, the Abamectin microcapsule suspension The capsule suspension is mixed with the fluopyram suspension to obtain the abamectin-fluopyram microcapsule s...

Embodiment 1

[0058] Prepare a kind of microcapsule suspension-suspension concentrate containing Abamectin and Fluopyram, specifically as follows:

[0059] 1) Abamectin and polymethyl methacrylate are dissolved in dichloromethane to obtain an oil phase material, wherein the weight ratio of abamectin, dichloromethane and polymethyl methacrylate is 1: 7:0.15;

[0060] Dissolving polyvinyl alcohol in water to obtain a water phase material, wherein the weight ratio of water to polyvinyl alcohol is 1:0.12;

[0061] Mix the above-mentioned oil phase material and water phase material and shear at a rate of 20,000 rpm for 7 minutes to obtain an O / W emulsion, wherein the weight ratio of the oil phase material to the water phase material is 1:1.5;

[0062] 2) Stir the above-mentioned O / W emulsion at a stirring rate of 250 rpm and 60° C. for 2.5 hours, volatilize and remove the organic solvent, and prepare the abamectin microcapsule suspension;

[0063] 3) above-mentioned abamectin suspension is mix...

Embodiment 2

[0068] Prepare a kind of microcapsule suspension-suspension concentrate containing Abamectin and Fluopyram, specifically as follows:

[0069] 1) Dissolving abamectin and polypropylene carbonate in chloroform to obtain an oil phase material, wherein the weight ratio of abamectin, chloroform and polypropylene carbonate is 1:5: 0.1;

[0070] Sodium dodecylbenzenesulfonate is dissolved in water to obtain a water phase material, wherein the weight ratio of water to sodium dodecylbenzenesulfonate is 1:0.1;

[0071] Mix the above-mentioned oil phase material and water phase material and shear at a rate of 10,000 rpm for 15 minutes to obtain an O / W emulsion, wherein the weight ratio of the oil phase material to the water phase material is 1:1;

[0072] 2) stirring the above-mentioned O / W emulsion at a stirring rate of 200 rpm and 30° C. for 4 hours, volatilizing and removing the organic solvent, and preparing the abamectin microcapsule suspension;

[0073] 3) Mix the above-mentioned...

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Abstract

The invention elates to a microcapsule suspension-suspending agent containing avermectin and fluopyram, and a preparation method thereof. The preparation method comprises following steps: a, an oil phase material is mixed with a water phase material so as to obtain an O / W emulsion; b, an organic solvent in the O / W emulsion is removed so as to obtain an avermectin microcapsule suspension solution;c, the avermectin microcapsule suspension solution, a first dispersant, a first thickening agent, and a first antifreezing agent are mixed so as to obtain an avermectin microcapsule suspending agent;and d, the avermectin microcapsule suspending agent and a fluopyram suspension solution are mixed so as to obtain the avermectin.fluopyram microcapsule suspension-suspending agent. The avermectin.fluopyram microcapsule suspension-suspending agent containing avermectin and fluopyram is excellent in storage stability, and long in effect lasting period, is capable of reducing medicine application times, reducing medicine using amount, contains no organic solvent, and low environment pollution is caused.

Description

technical field [0001] The disclosure relates to the technical field of pesticide preparation, in particular to a microcapsule suspension-suspension agent containing abamectin and fluopyram and a preparation method thereof. Background technique [0002] Abamectin is a widely used agricultural or veterinary insecticide, acaricide, and nematicide. It is a class of insecticides, insecticides, and acaricides first developed by Japan Kitasato University Satoshi Omura and the U.S. Merck company. 16-membered macrolide compound with nematicide activity, produced by fermentation of Streptomyces avermitilis in Streptomyces. [0003] Fluopyram is a new generation of excellent nematocide, and it can also be used as a broad-spectrum fungicide, seed treatment agent, and storage and fresh-keeping agent for agricultural products. When fluopyram is used as a nematicide, it acts on complex II in the mitochondrial respiratory electron transport chain. Nematicides with low environmental toxic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/28A01N25/04A01N43/90A01N43/40B01J13/12
CPCA01N25/04A01N25/28A01N43/40A01N43/90B01J13/125
Inventor 刘润峰罗湘仁高敬雨潘静李蕾李霞马燕侠高威
Owner PILARQUIM SHANGHAI
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