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Spray additive for increasing particle size of pesticide droplets as well as preparation method and use method thereof

A technology of spray adjuvant and droplet size, which is applied in the field of spray adjuvant, can solve the problems of complex preparation method, increasing the particle size of pesticide droplet, and not paying attention to the particle size of spray droplet, so as to achieve simple preparation process, reduce The effect of small droplet ratio and reducing the drift of pesticide droplets

Inactive Publication Date: 2021-04-30
JIANGSU ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this technical solution is specifically aimed at the flying and anti-spraying of plant protection drones, it also does not pay attention to the problem of the particle size of the spray droplets, and it is impossible for those skilled in the art to know how to obtain spray auxiliaries that increase the particle size of the pesticide droplets; at the same time, Due to the use of "water / oil / water" three-phase additives, the preparation method is more complicated

Method used

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  • Spray additive for increasing particle size of pesticide droplets as well as preparation method and use method thereof
  • Spray additive for increasing particle size of pesticide droplets as well as preparation method and use method thereof
  • Spray additive for increasing particle size of pesticide droplets as well as preparation method and use method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0036] This embodiment is a spray aid for increasing the particle size of pesticide droplets, which is in the form of a stable suspension and consists of the following components in parts by weight:

[0037] 45 parts of turpentine, 10 parts of Nongru 600#, 2 parts of guar gum, 13 parts of isooctyl alcohol, 5 parts of silicone oil, 5 parts of white carbon black, and 20 parts of deionized water. Each serving weighs 1g.

[0038] The specific preparation process of this embodiment is as follows:

[0039] Step 1: Take vegetable oil (turpentine) as the oil phase, add emulsifier (Nongru 600#) to the oil phase, heat to 45°C in a magnetic stirrer, turn on the magnetic stirrer at 600r / min and stir for 10min to emulsify the oil phase , and mix well;

[0040] In the second step, the anti-drift agent (guar gum) is added to the mixed solution obtained in the first step, and the magnetic stirring is continued at 600r / min for 5min, and the mixture is uniform;

[0041] The third step, anti-...

Embodiment 2

[0045] This embodiment is a spray aid for increasing the particle size of pesticide droplets, which is in the form of a stable suspension and consists of the following components in parts by weight:

[0046] 10 parts of soybean oil, 5 parts of Nongru 500#, 9 parts of magnesium chloride, 1 part of n-octanol, 1 part of simethicone, 1 part of kaolin, 5 parts of deionized water. Each serving weighs 1g.

[0047] The specific preparation process of this example is basically the same as that of Example 1, and each component can be replaced with the components of this example.

Embodiment 3

[0049] This embodiment is a spray aid for increasing the particle size of pesticide droplets, which is in the form of a stable suspension and consists of the following components in parts by weight:

[0050] 39 parts of castor oil, 15 parts of nonylphenol polyoxyethylene ether-10, 20 parts of urea, 6 parts of amyl alcohol, 3 parts of hydroxyl silicone oil, 5 parts of magnesium aluminum silicate, and 12 parts of deionized water. Each serving weighs 1g.

[0051] The specific preparation process of this example is basically the same as that of Example 1, and each component can be replaced with the components of this example.

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Abstract

The invention relates to a spray additive for increasing the particle size of pesticide droplets as well as a preparation method and a use method thereof. The spray additive is prepared from the following components: 10-45 parts of vegetable oil, 5-15 parts of an emulsifier, 2-20 parts of an anti-drifting agent, 1-13 parts of an anti-evaporation agent, 1-5 parts of a defoaming agent, 1-5 parts of a structure stabilizer and deionized water. The part number of the deionized water is not less than 0 and not more than half of the part number of the vegetable oil; and the spray additive is in a stable suspension state. The preparation process adopts a continuous emulsification process. When in use, the spray additive is diluted with water into a water solution, and then the insecticide or bactericide is added into the water solution according to the required dosage, so that the spray additive can be used for field spray operation. On the basis of ensuring the wettability of pesticide droplets, the spray additive can increase the particle size of the spray droplets, promote the sedimentation of the spray droplets, reduce the proportion of small droplets, reduce the drifting of the pesticide droplets and increase the deposition density of the pesticide droplets on crop canopy; the preparation process is simple; field use and operation convenience are achieved.

Description

technical field [0001] The invention relates to a spray adjuvant for increasing the particle size of pesticide droplets, a preparation method and a use method thereof, and belongs to the technical field of preparation of pesticide preparations. Background technique [0002] According to the knowledge of the inventors, the spraying method is to use a spraying machine to atomize and disperse liquid pesticides or their dilutions into the air to form a liquid-gas dispersion system. It is currently the most frequently used method for disease, insect and weed control. medicine technology. Different spray volumes require the use of appropriate chemical liquid atomization methods and corresponding chemical liquid atomization properties. [0003] At present, multi-rotor and single-rotor plant protection UAVs are developing rapidly in my country due to their advantages of high operating efficiency, low labor intensity, and high degree of automation. Plant protection drones fly fast,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/06
CPCA01N25/06
Inventor 徐德进徐广春徐鹿顾中言王聪博胡双女
Owner JIANGSU ACAD OF AGRI SCI
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