Suspending agent formulated by difenoconazole and azoxystrobin and preparation method thereof

Abstract

The invention discloses a suspending agent formulated by difenoconazole and azoxystrobin and a preparation method of the suspending agent. The suspending agent comprises the following materials by mass: 5% to 9% of difenoconazole original drug, 21% to 28% of azoxystrobin original drug, 3% to 4% of wetting dispersant, 2% to 3% of dispersant, 2.5% to 3.5% of antifreeze, 0.15% to 0.25% of thickener, and the balance of water, and also comprises about 0.5% of adsorbent, about 0.1% of preservative, and 1% to 2% of antifoaming agent. The method comprises the following steps: (1) taking following material ingredients by weight: the difenoconazole original drug, the azoxystrobin original drug, the wetting dispersant, the dispersant, the antifreeze, and adding water to 95%, and mixing; (2) placing the above mixed materials in a sand mill, and grinding for 3h to 5h to obtain an initial product of the suspending agent; (3) mixing the thickener with water to 5%, and adding into the initial product of the suspending agent, then stirring with a stirrer at high-speed for 1.5h to 2.5h to obtain a finished product of the suspending agent. The suspending agent provided by the invention has the advantage of significant efficacy, good dispersion performance, good suspension performance, stable heat storage performance and the like, high sterilization effect in use, and good security.

Description

technical field [0001] The invention relates to the field of preparation of pesticide preparations, in particular to a preparation process of a suspending agent. Background technique [0002] Pesticide suspensions mostly use water as the dispersion medium, and the insoluble or slightly soluble solid raw materials are ground and pulverized, and dispersed evenly with the help of surfactants and other additives to form a highly suspended and flowable substance with fine particles. Relatively stable liquid-solid phase system. Compared with emulsifiable concentrate, avoid using a large amount of organic solvents; compared with wettable powder, there is no dust flying and drifting during processing and use, and the toxicity and irritation to humans and animals are relatively low, which can reduce the phytotoxicity of crops, let alone It will burn during storage and transportation, and has high safety; moreover, it has excellent performance, good dispersion, high suspension rate, ...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the shortcomings in the prior art such as environmental pollution, harm to human health and high cost of use, the purpose of the present invention is to break through the existing suspending agent technology and develop a difenoconazole with stable formula, high efficiency and low toxicity The suspending agent compounded with azoxystrobin, among them, the suspending agent compounded with difenoconazole and azoxystrobin has the advantages of good drug effect, small dosage, good dispersibility, high suspension rate, strong stability and easy to use advantage

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