A kind of abamectin nano dry suspension and preparation method thereof

A technology of abamectin and dry suspending agent, applied in the field of abamectin nano-dry suspending agent and preparation thereof, can solve problems such as easy disintegration, and achieve good dispersibility, difficult precipitation and layering, and good redispersibility. Effect

Active Publication Date: 2020-11-27
JIANGXI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of the existing dry suspension type pesticides, the present invention proposes an abamectin nano dry suspension, which has good dispersion performance, easy disintegration, meets the needs of aerial plant protection spray and has anti-drift and anti-evaporative

Method used

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  • A kind of abamectin nano dry suspension and preparation method thereof
  • A kind of abamectin nano dry suspension and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of abamectin nano dry suspension, comprising abamectin 40%, dispersant 10%, wetting agent 3%, disintegrant 10%, binding agent 1% and defoamer 1% by mass fraction , also add desugared sodium lignosulfonate and fatty alcohol sulfate as surfactants, the mass fractions of the two accounting for the abamectin nano dry suspension are respectively 3% and 3%, and the balance is a filler.

[0037] Using the insecticidal effect of abamectin, combined with dispersants, wetting agents and disintegrants, etc., the abamectin nano dry suspension has the characteristics of good dispersibility, anti-evaporative drift and easy disintegration.

[0038] In this embodiment, the dispersant is EO-PO block polyether, and EO-PO block polyether is composed of polyether, polyethylene oxide (EO) and polypropylene oxide (PO), usually EO and PO is randomly copolymerized to form a block polyether, EO is a hydrophilic group, EO is a hydrophobic group, and EO-PO block polyether has good dispersi...

Embodiment 2

[0045] This embodiment is basically the same as Embodiment 1, the difference is:

[0046] The mass fraction of abamectin in the abamectin nano dry suspension is 60%.

Embodiment 3

[0048] This embodiment is basically the same as Embodiment 1, the difference is:

[0049] The mass fraction of abamectin in the abamectin nano dry suspension is 80%.

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Abstract

The invention discloses an avermectin nanometer dry flowable. 100% of the avermectin nanometer dry flowable comprises, by mass, 40 to 80% of avermectin, 5 to 20% of a dispersant, 1 to 5% of a wettingagent, 1 to 20% of a disintegrating agent, 0.1 to 5% of a binding agent, 0.1 to 1% of an antifoaming agent, and the balance a filling material. Avermectin possesses insecticidal effect, and is combined with the dispersant, the wetting agent, and the disintegrating agent, so that the avermectin nanometer dry flowable is excellent in dispersibility, anti-evaporation drifting performance, and easy disintegration performance. The invention also discloses a preparation method of the avermectin nanometer dry flowable. The components of the avermectin nanometer dry flowable are introduced into a material blending tank for uniform stirring, and then is subjected to crushing and sand milling using a high speed shearing machine; a product obtained after sand milling is subjected to spraying drying and granulation so as to obtain the avermectin nanometer dry flowable.

Description

technical field [0001] The invention relates to the field of pesticide preparations, in particular to an abamectin nano dry suspension and a preparation method thereof. Background technique [0002] Pesticides play an important role in agricultural production. Pesticides can effectively prevent and control diseases, insects, and weeds, and provide guarantee for the normal growth of crops. [0003] Pesticide dosage forms mainly include four types: emulsifiable concentrates, wettable powders, suspension concentrates and granules, among which emulsifiable concentrates account for about half of the total amount of pesticides. Since the EC pesticides contain a large amount of organic solvents, they are a waste of resources and pollute the environment, and their efficacy is low, so the registration and use of them have been restricted by the state. Dry suspension pesticide is a new type of pesticide, which combines the advantages of wettable powder pesticide and suspension pestic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/90A01N25/14A01P7/04
CPCA01N25/14A01N43/90
Inventor 李保同李飞熊忠华石绪根汤丽梅彭大勇周雯雯李卫韩冲冲
Owner JIANGXI AGRICULTURAL UNIVERSITY
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