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Pesticide dry suspension agent suitable for flight control and preparation method and application thereof

A dry suspending agent and pesticide technology, applied in the field of pesticide dry suspending agent and its preparation, can solve the problems of poor anti-flying effect, low anti-drift and anti-volatile performance, and lack of anti-drift and anti-volatile performance of dry suspending agent. , to achieve the effect of high suspension rate, superior anti-volatile effect, and reduced volatility and drift performance

Pending Publication Date: 2019-11-19
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a kind of pesticide dry suspension agent suitable for flying control and its preparation method and application, to overcome the existing dry suspension agent does not have anti-drift and anti-volatility performance or anti-drift and anti-volatility performance is not high Used for technical problems with poor anti-flying effect

Method used

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  • Pesticide dry suspension agent suitable for flight control and preparation method and application thereof
  • Pesticide dry suspension agent suitable for flight control and preparation method and application thereof
  • Pesticide dry suspension agent suitable for flight control and preparation method and application thereof

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preparation example Construction

[0044] Correspondingly, the embodiment of the present invention also provides a preparation method of the above pesticide dry suspension concentrate. The preparation method of the pesticide dry suspension of the embodiment of the present invention comprises the following steps:

[0045] Step 1: Weigh each component raw material respectively according to the components contained in the pesticide dry suspension concentrate of the embodiment of the present invention;

[0046] Step 2: Mix the raw materials of each component weighed in step 1 with water at a weight ratio of 3:7-1:1, stir evenly, and perform sand milling to obtain a suspension with a particle size of D50<2μm liquid;

[0047] Step 3: The suspension described in step 2 is spray-dried using a spray dryer under the condition that the inlet hot air temperature is 120-150°C and the outlet hot air temperature is 60-90°C to prepare the pesticide dry suspension .

[0048] The weight ratio of each component raw material an...

Embodiment 1

[0052]

[0053] Preparation method: Add the above-mentioned raw materials into 120g of water one by one, stir to form a uniform slurry, and put the slurry into a sand mill equipped with sanding beads for sand grinding to obtain water with an average particle size of D50<2μm Suspension sample: The above aqueous suspension is sprayed and granulated through a spray dryer with an inlet temperature of 140°C and an outlet temperature of 90°C.

Embodiment 2

[0055]

[0056] Preparation method: Add the above-mentioned raw materials into 120g of water one by one, stir to form a uniform slurry, and put the slurry into a sand mill equipped with sanding beads for sand grinding to obtain water with an average particle size of D50<2μm Suspension sample: The above aqueous suspension is sprayed and granulated through a spray dryer with an inlet temperature of 120°C and an outlet temperature of 60°C.

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Abstract

The invention relates to a pesticide dry suspension agent suitable for flight control and a preparation method and an application thereof. The pesticide dry suspension agent comprises, by mass percent, 10-80% of pesticide active ingredients, 1-5% of a wetting agent, 2-8% of a dispersing agent, 1-10% of fatty acid ester ethoxylate, 0-1% of a defoamer, and 0-80% of a carrier. The pesticide dry suspension agent provided by the invention has the advantages of small average particle size, good dispersion stability and high suspension rate. In particular, the fatty acid ester ethoxylate used in theformula can greatly reduce the volatility and drifting performance of pesticide spray droplets, which is very suitable for use in unmanned aerial vehicle spray and improves the accuracy and control effect of spraying. In addition, the preparation process of the pesticide dry suspension agent of the invention can be easily controlled, effectively improves the production efficiency and reduces the production cost.

Description

technical field [0001] The present invention relates to the fields of pesticide formulations and plant protection, in particular to a pesticide dry suspension, its preparation method and its use in drone spraying. Background technique [0002] At present, pesticides have become an important means of controlling crop diseases, insect pests and weeds. In recent years, the level of scientific and safe use of pesticides has been continuously improved, especially in terms of improving pesticide application equipment, organizational methods, and use techniques to scientifically promote precision pesticide application, improve the utilization rate of pesticides, and achieve the goal of efficient damage control. The traditional pesticide plant protection operation adopts artificial large-capacity spraying method, which is time-consuming, laborious, large water consumption, low operating efficiency and low pesticide utilization rate. This mode is gradually replaced by small plant pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/14A01N25/06A01N47/34A01N47/24A01N51/00A01N43/90A01N41/10
CPCA01N25/14A01N25/06A01N47/34A01N47/24A01N51/00A01N43/90A01N41/10
Inventor 詹姆斯·T·布里斯托
Owner JIANGSU ROTAM CHEM
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