A kind of suspending agent with synergistic component and preparation method thereof

A technology of synergistic components and suspending agents, applied in the field of pesticides, can solve the problems of non-environmental solvent use, poor solubility, and inability to add

Inactive Publication Date: 2011-12-21
中化化工科学技术研究总院有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the poor solubility of such substances to the original drug, they cannot be used as environmentally friendly solvents; in addition, since such substances are insoluble in water, they cannot be directly added to water-based preparations

Method used

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  • A kind of suspending agent with synergistic component and preparation method thereof
  • A kind of suspending agent with synergistic component and preparation method thereof
  • A kind of suspending agent with synergistic component and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 15

[0019] Embodiment 15% fipronil+40% soybean oil suspension concentrate

[0020] Soybean oil 40.0%, emulsifier 12.0%, 95% fipronil 5.3% (5.0%), dispersant 4.0%, xanthan gum 0.5%, defoamer 0.1%, antifreeze 4.0%, water 34.1%.

[0021] Calculate the dosage of each component according to the above ratio. Mix 5.3kg of fipronil technical, 4.0kg of dispersant, 0.1kg of defoamer, 4.0kg of antifreeze, 40.0kg of soybean oil, 12.0kg of emulsifier and 34.1kg of water, and go through primary and secondary sand grinding Finally, add 0.5kg xanthan gum to prepare.

[0022] Control formula: 5% fipronil suspension concentrate

[0023] 95% fipronil 5.3% (5.0%), dispersant 4.0%, xanthan gum 0.5%, defoamer 0.1%, antifreeze 4.0%, water 86.1%.

[0024] Comparison of drug efficacy test results:

[0025]

[0026] According to the laboratory efficacy test, the control effect of 5% fipronil + 40% soybean oil suspension is more than 15.5% higher than that of 5% fipronil suspension.

Embodiment 230

[0027] Embodiment 230.0% mancozeb+15.0% methylated soybean oil suspending agent

[0028] Methylated soybean oil 15.0%, emulsifier 5.0%, 85% mancozeb technical 35.3% (30.0%), dispersant 8.0%, xanthan gum 1.0%, defoamer 0.2%, antifreeze 4.0 %, water 31.5%.

[0029] Calculate the dosage of each component according to the above ratio. First, 35.3kg mancozeb technical, 8.0kg dispersant, 1.0kg xanthan gum, 0.2kg defoamer, 4.0kg antifreeze and 21.5kg water were ground into a suspension, and then 15.0kg methylated soybean oil , 5.0kg emulsifier and 10.0kg water are stirred into an emulsion, and finally the two are mixed and stirred evenly.

[0030] Control formula: 30.0% mancozeb suspension concentrate

[0031] 85% mancozeb technical 35.3% (30.0%), dispersant 8.0%, xanthan gum 1.0%, defoamer 0.2%, antifreeze 4.0%, water 51.5%.

[0032] Comparison of drug efficacy test results:

[0033]

[0034] According to the indoor efficacy test, the control effect of 30.0% mancozeb + 15.0%...

Embodiment 325

[0035] Embodiment 325% quinclorac+20% paraffin oil suspending agent

[0036] Paraffin oil 20.0%, emulsifier 10.0%, 95% quinclorac 26.3% (25.0%), dispersant 5.0%, xanthan gum 0.5%, defoamer 0.2%, antifreeze 4.0%, water 34.0% .

[0037] Calculate the dosage of each component according to the above ratio. 26.3kg quinclorac original drug, 5.0kg dispersant, 0.2kg defoamer, 4.0kg antifreeze and 34.0kg water are ground into suspension, then 0.5kg xanthan gum, 20.0kg paraffin oil, 10.0kg emulsified The agent is added to the above-mentioned suspending agent, and stirred and mixed.

[0038] Control formula: 25% quinclorac suspension concentrate

[0039] 95% quinclorac 26.3% (25.0%), dispersant 5.0%, xanthan gum 0.5%, defoamer 0.2%, antifreeze 4.0%, water 64.0%.

[0040] Comparison of drug efficacy test results:

[0041]

[0042] It is known through indoor efficacy tests that the control effect of 25% quinclorac+20% paraffin oil suspension is more than 12.0% higher than that of 2...

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Abstract

The invention discloses a suspending agent with synergistic components and a preparation method thereof. The suspending agent is composed of the following raw materials in mass percentage: 0.1% to 40.0% of oil, 0.1% to 20.0% of emulsifier, 0.1% to 60.0% of technical pesticide, 0.1% to 20.0% of dispersant, thickener 0-10.0%, defoamer 0-3.0%, antifreeze 0-10.0%, and the balance is water. Its preparation method is firstly to grind the pesticide raw material and the auxiliary agent into a suspension, emulsify the oil and the auxiliary agent into an emulsion, and then mix and stir the two according to the proportion or mix the pesticide raw material, the oil and the auxiliary agent in the Together, it is made through first-level sand grinding, second-level sand grinding and preparation, or firstly grinds the original pesticide and additives into a suspension, and then adds oil and remaining additives and mixes them at high speed. Because the suspending agent of the present invention contains synergistic components, it can play the effects of wetting, spreading and anti-drifting on the original drug, and increases the drug effect.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to a suspending agent with synergistic components and a preparation method thereof. Background technique [0002] The traditional pesticide dosage forms are mainly emulsifiable oil, and practice has proved that the efficacy of the appropriate emulsifiable oil formula is the best. The most widely used solvents in emulsifiable concentrates are benzene solvents such as xylene. This is because benzene solvents have good solubility for the original drug and low cost. The currently developed emulsifiers are also good at emulsifying benzene solvents. However, with the strengthening of human awareness of environmental protection and the consideration of food safety, the long-term use of large amounts of toxic benzene solvents has gradually been banned. In recent years, the agricultural community has advocated environmentally friendly solvents or water-based preparations to replace emulsifiable co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/04A01N65/20A01N61/02A01N47/02A01P7/04A01N47/14A01P3/00A01N43/42A01P13/00
CPCY02A50/30
Inventor 卢忠利张宗俭耿学军刘宁
Owner 中化化工科学技术研究总院有限公司
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