Rainwash-resistant deltamethrin suspending agent

A technology of deltamethrin and suspending agent, which is applied in the field of pesticides, can solve the problems of poor surface adhesion of plants, reduced drug efficacy, poor drug efficacy, etc., and achieves reduction of pesticide usage and application times, and the ability to resist rainwater scouring. The effect of enhancing and reducing labor costs

Inactive Publication Date: 2022-04-15
南京自一界科技研发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) In actual use, due to the influence of wind, rain, dew, sun and other natural conditions, the adhesion of deltamethrin on the surface of plants or insects will decrease, especially in case of rain after application. Drug effect, shorten the drug effect period;
[0005] (2) At present, the main dosage forms of deltamethrin are emulsifiable concentrate and wettable powder. Since the emulsifiable concentrate needs to be prepared with a large amount of aromatic organic solvent

Method used

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  • Rainwash-resistant deltamethrin suspending agent
  • Rainwash-resistant deltamethrin suspending agent
  • Rainwash-resistant deltamethrin suspending agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A deltamethrin suspending agent resistant to rainwater erosion, consisting of the following components: 2.5kg deltamethrin, 3kg wetting agent isooctyl alcohol polyoxyethylene polyoxypropylene ether, 3kg dispersant D-800, 0.3kg Defoamer polydimethylsiloxane emulsion, 3kg synergist RF-65, 0.3kg thickener xanthan gum, 0.3kg preservative Cathone, 4kg antifreeze propylene glycol, 0.5kg suspending agent magnesium aluminum silicate , 83.1kg of water.

[0025] Weigh deltamethrin, wetting agent, dispersant, preservative, antifreeze, suspending agent, defoamer and water according to the formula, stir and disperse evenly, enter the sand mill for sand milling, until the particle size is less than 4um, Adjust the pH to 4-6, then add thickener and synergist, stir evenly, and it is ready.

Embodiment 2

[0027] A kind of deltamethrin suspending agent resistant to rainwater erosion, consisting of the following components: 5kg deltamethrin, 1kg wetting agent succinate sulfonate, 5kg dispersing agent polycarboxylate sodium salt, 0.5kg defoamer Polydimethylsiloxane emulsion, 2kg synergist DC-420, 0.5kg thickener xanthan gum, 0.4kg preservative Cathone, 5kg antifreeze propylene glycol, 0.3kg suspending agent magnesium aluminum silicate, 80.3kg water.

[0028] Weigh deltamethrin, wetting agent, dispersant, preservative, antifreeze, suspending agent, defoamer and water according to the formula, stir and disperse evenly, enter the sand mill for sand milling, until the particle size is less than 4um, Adjust the pH to 4-6, then add thickener and synergist, stir evenly, and it is ready.

Embodiment 3

[0030] A kind of deltamethrin suspension concentrate resistant to rainwater erosion, consisting of the following components: 10kg deltamethrin, 1kg wetting agent succinate sulfonate, 2kg dispersant D-800, 0.5kg defoamer poly Methyl silicone emulsion, 2kg synergist DC-420, 0.5kg thickener polyvinyl alcohol, 0.4kg preservative Cathone, 3kg antifreeze glycerin, 0.4kg suspending agent magnesium aluminum silicate, 80.2kg water.

[0031] Weigh deltamethrin, wetting agent, dispersant, preservative, antifreeze, suspending agent, defoamer and water according to the formula, stir and disperse evenly, enter the sand mill for sand milling, until the particle size is less than 4um, Adjust the pH to 4-6, then add thickener and synergist, stir evenly, and it is ready.

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Abstract

The invention relates to a rain wash resistant deltamethrin suspending agent which is prepared from the following components in percentage by mass on the basis that the total mass of the deltamethrin suspending agent is 100%: 2.5-20% of deltamethrin, 1-3% of a wetting agent, 2-5% of a dispersing agent, 1-5% of a synergist, 0.1-0.5% of a thickening agent, 0.1-0.5% of a preservative, 2-8% of an anti-freezing agent, 0.1-1% of a suspending aid, 0.1-0.5% of a defoaming agent and the balance of water. Compared with the prior art, the deltamethrin suspending agent has the advantages that the adhesion of deltamethrin on the surface of a plant body is improved, the retention amount of deltamethrin on the surface of the plant body is increased, and the loss caused by rain wash is reduced, so that the pesticide effect period is long, the control effect is obviously improved, the pesticide use amount and the pesticide application frequency can be effectively reduced, and the labor cost is reduced.

Description

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Claims

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Application Information

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Owner 南京自一界科技研发有限公司
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