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Rain-wash-resistant chlorothalonil suspension agent and preparation method thereof

A chlorothalonil suspension, rain-resistant technology, applied in botany equipment and methods, fungicides, biocides, etc., can solve the problems of decreased adhesion of chlorothalonil, shortened drug efficacy period, and reduced drug efficacy, achieving Improve the penetration and adhesion, reduce the loss of drugs, and accelerate the effect of drug effects

Active Publication Date: 2013-07-10
SUZHOU JIAHUI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual use, due to the influence of wind, rain, dew, sun and other conditions, the adhesion of chlorothalonil on the plant surface will decrease, especially if there is rain after application, the efficacy of the drug will be significantly reduced and the efficacy period will be shortened
[0003] Among the main dosage forms of chlorothalonil at present, powder, wettable powder, oil and smoke often have the defects of flying dust, polluting the environment, waste of petrochemical resources and limited use range, which increases the risk and cost of using chlorothalonil. become an urgent problem to be solved in production

Method used

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  • Rain-wash-resistant chlorothalonil suspension agent and preparation method thereof
  • Rain-wash-resistant chlorothalonil suspension agent and preparation method thereof
  • Rain-wash-resistant chlorothalonil suspension agent and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0019]

[0020]

[0021] Weigh chlorothalonil, wetting agent, dispersant, preservative, antifreeze, suspending agent, defoamer and water according to the formula measurement requirements, fully wet and stir evenly, then enter the sand mill for sand milling, until the particle size is less than 5μm and pH between 6.0 and 9.0, the material is discharged to the brewing kettle, and the measured thickener and synergist are added to make it evenly prepared, and all quality indicators are sampled and tested, and can be packaged only after passing the test.

Embodiment 2

[0023]

[0024] Weigh chlorothalonil, wetting agent, dispersant, preservative, antifreeze, suspending agent, defoamer and water according to the formula measurement requirements, fully wet and stir evenly, then enter the sand mill for sand milling, until the particle size is less than 5μm and pH between 6.0 and 9.0, the material is discharged to the brewing kettle, and the measured thickener and synergist are added to make it evenly prepared, and all quality indicators are sampled and tested, and can be packaged only after passing the test.

Embodiment 3

[0026]

[0027]

[0028] Weigh chlorothalonil, wetting agent, dispersant, preservative, antifreeze, suspending agent, defoamer and water according to the formula measurement requirements, fully wet and stir evenly, then enter the sand mill for sand milling, until the particle size is less than 5μm and pH between 6.0 and 9.0, the material is discharged to the brewing kettle, and the measured thickener and synergist are added to make it evenly prepared, and all quality indicators are sampled and tested, and can be packaged only after passing the test.

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Abstract

The invention relates to a rain-wash-resistant chlorothalonil suspension agent and a preparation method thereof. The rain-wash-resistant chlorothalonil suspension agent comprises the following components according to weight percentage: 40-60% of chlorothalonil, 1-3% of wetting agent, 2-5% of dispersing agent, 1-5% of potentiating agent, 0.1-0.5% of thickening agent, 0.1-0.5% of preservative, 2-10% of anti-freezing agent, 0.1-0.5% of suspending agent, 0.1-0.5% of defoaming agent, and the balance of water. The preparation method of the rain-wash-resistant chlorothalonil suspension agent comprises the process steps of smashing, mixing and the like. According to the invention, permeability and adhesion of the chlorothalonil on the surface of a plant body are increased; playing of the pesticide effect is enhanced; simultaneously, loss of pesticides caused by rain wash is reduced; and the efficacy period is beneficial to being prolonged.

Description

technical field [0001] The invention relates to a product processed by pesticide technology, in particular to a rain-resistant chlorothalonil suspension and a preparation method thereof. Background technique [0002] Chlorothalonil is a low-toxicity, broad-spectrum protective fungicide with non-systemic characteristics. The mechanism of action is that it can interact with glyceraldehyde triphosphate dehydrogenase in fungal cells, and the enzyme contains half The protein of cystine is combined completely, thereby destroying the enzyme activity, causing the metabolism of fungal cells to be damaged and lose their vitality. In actual use, due to the influence of wind, rainfall, dew, sun and other conditions, the adhesion of chlorothalonil on the plant surface will decrease, especially if there is rainfall after application, the efficacy will be significantly reduced and the efficacy period will be shortened. [0003] Among the main dosage forms of chlorothalonil at present, pow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/04A01N37/34A01P3/00
Inventor 田晓宏蒋沫然马敏赵建平曹永元
Owner SUZHOU JIAHUI CHEM