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Composition for preventing liquid droplet from rebounding and sputtering on super-hydrophobic surface, and applications of composition in pesticides

A super-hydrophobic, composition technology, applied in applications, animal repellents, plant growth regulators, etc., can solve the problems of super-hydrophobic crop leaves with little effect on the surface, avoiding difficult dispersion and easy agglomeration, The effect of reducing dosage and reducing pollution

Inactive Publication Date: 2018-07-20
BEIJING SCITECH NANOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently commonly used pesticide adjuvants have little effect on the drug application on the surface of crop leaves with superhydrophobicity

Method used

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  • Composition for preventing liquid droplet from rebounding and sputtering on super-hydrophobic surface, and applications of composition in pesticides

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A composition for preventing liquid droplets from bouncing and sputtering on a superhydrophobic surface. In terms of mass percentage, the composition includes: 0.15% of organic silicon auxiliary agent, 0.015% of polyoxyethylene ether (molecular weight: 1 million), silicon Sol 5%. The above-mentioned ingredients are added into 94.825% water to compound and stir to obtain a pesticide additive that prevents droplet rebound and splashing on the superhydrophobic surface.

Embodiment 2

[0030] A composition for preventing droplet rebound and sputtering on a super-hydrophobic surface. In terms of mass percentage, the composition includes: 0.5% of organic silicon auxiliary agent, 0.03% of polyoxyethylene ether (molecular weight is 2 million), silicon Sol 1%. The above-mentioned ingredients are added into 98.47% water to compound and stir to obtain a pesticide additive that prevents droplet rebound and splashing on the superhydrophobic surface.

Embodiment 3

[0032] A composition for preventing droplet rebound and sputtering on a super-hydrophobic surface. According to mass percentage, the composition includes: 0.7% of organic silicon auxiliary agent, 0.05% of polyoxyethylene ether (molecular weight is 3 million), silicon Sol 3%. The above-mentioned ingredients are added into 96.25% water and compounded and stirred to obtain a pesticide additive that prevents droplet rebound and splashing on the superhydrophobic surface.

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Abstract

The present invention discloses a composition for preventing a liquid droplet from rebounding and sputtering on a super-hydrophobic surface, and applications of the composition in pesticides, whereinthe composition comprises, by mass, 0.1-1% of a surfactant, 0.01-1% of polyoxyethylene ether, and 1-10% of silica sol. According to the present invention, the composition can change the wettability ofthe surface of the blade during the impact between the pesticide liquid droplet and the surface of the super-hydrophobic or hydrophobic blade so as to promote the impact spreading behavior of the liquid droplet on the super-hydrophobic and hydrophobic blade surface, can effectively reduce the loss and pollution caused by the splashing of the pesticide liquid droplet on the super-hydrophobic bladesurface, can effectively reduce the pesticide spraying amount and the pesticide spraying frequency, and can reduce the environment pollution caused by pesticides.

Description

technical field [0001] The invention belongs to the field of pesticides or pesticide adjuvants, and particularly relates to a composition that prevents droplet rebound and sputtering on a superhydrophobic and hydrophobic surface, and also relates to the rebound and splashing of the composition as a pesticide additive on a superhydrophobic and hydrophobic blade surface. Splash ability for pesticide applications. Background technique [0002] In agricultural production, most crops have superhydrophobic leaves. The sprayed pesticide droplets are very easy to rebound on the superhydrophobic surface. When the impact speed is large enough, the rebound will be converted into sputtering. This rebound and sputtering behavior will cause a great waste of pesticides, reduce the effective utilization of pesticides, and pollute soil and water resources, directly affecting human health. During the pesticide spraying process, the liquid mist produced by the splashing droplets seriously en...

Claims

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Application Information

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IPC IPC(8): A01N25/30
CPCA01N25/30
Inventor 董智超江雷
Owner BEIJING SCITECH NANOTECH CO LTD
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