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Dispersible oil suspending agent

A suspending agent and dispersing oil technology, applied in the field of pesticides, can solve the problems that the effect needs to be clearly verified, the ingredients are not disclosed, etc., and achieve the effects of good adaptability, reduced decomposition, and prevention of color deepening

Active Publication Date: 2016-07-20
SHENYANG SINOCHEM AGROCHEMICALS R&D CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, there are special stabilizer products on the market, but their ingredients have not been disclosed, and the effect needs to be clearly verified

Method used

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  • Dispersible oil suspending agent
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  • Dispersible oil suspending agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 115

[0024] Embodiment 115% Mesotrione Dispersed Oil Suspension Concentrate

[0025] Mesotrione 15%, fatty alcohol polyoxyethylene ether 4%, polyethylene glycol monooleate 6%, organic bentonite BP183 1.5%, methyl oleate to make up, mix the above components and perform high shear Pre-dispersed, then added to a sand mill, and ground for 3 hours to obtain a sample;

[0026] A stabilizer was added to the sample, and after stirring for 0.5 h, the final formulation was obtained. The amount of stabilizer added is shown in Table 1.

[0027] The contents of the samples before storage and the samples after heat storage were determined by high performance liquid chromatography, and the decomposition rate was calculated. The measurement results are shown in Table 1.

[0028] Table 115% mesotrione dispersible oil suspension concentrate stability test result

[0029]

[0030] The above test results show that adding phytic acid, soybean lecithin, and trinonylphenyl phosphite as stabilizers ...

Embodiment 228

[0031] Example 228% Mesotrione·Atrazine Dispersible Oil Suspension Concentrate

[0032] Mesotrione 4%, Atrazine 24%, Fatty Alcohol Polyoxyethylene Ether 6%, Sorbitol Polyoxyethylene Ether 4%, Organic Bentonite BP1831%, Methyl Oleate Supplemented, the above components were mixed for high Shear pre-dispersion, then add it to the sand mill, grind for 3 hours, and get the sample;

[0033] A stabilizer was added to the sample, and after stirring for 0.5 h, the final formulation was obtained. The amount of stabilizer added is shown in Table 2.

[0034] The content of mesotrione in the pre-storage sample and the post-heat storage sample was determined by high performance liquid chromatography, and its decomposition rate was calculated. The measurement results are shown in Table 2.

[0035] Table 228% Mesotrione · Atrazine dispersible oil suspension concentrate stability test results

[0036]

[0037] The above test results show that adding phytic acid, soybean lecithin, and tri...

Embodiment 326

[0038] Example 326% Mesotrione Nicosulfuron Atrazine Dispersible Oil Suspension Concentrate

[0039] Mesotrione 4%, Nicosulfuron 2%, Atrazine 20%, Castor Oil Polyoxyethylene Ether 6%, Sorbitol Polyoxyethylene Ether 4%, Organic Bentonite BP18 30.8%, Methyl Oleate Supplement , mix the above components, carry out high-shear pre-dispersion, then add to the sand mill kettle, and grind for 3 hours to obtain the sample;

[0040] A stabilizer was added to the sample, and after stirring for 0.5 h, the final formulation was obtained. The amount of stabilizer added is shown in Table 3.

[0041] The content of mesotrione in the samples before storage and the samples after heat storage was determined by high performance liquid chromatography, and the decomposition rate was calculated. The results of the determination are shown in Table 3.

[0042] Table 3 26% Mesotrione·Nicosulfuron·Atrazine dispersible oil suspension concentrate stability test results

[0043]

[0044]

[0045]Th...

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Abstract

The invention belongs to the technical field of pesticide, and particularly relates to a dispersible oil suspending agent containing mesotrione.Mesotrione is included in an active component of the dispersible oil suspending agent, and a stabilizing agent is added.The adding quantity of the stabilizing agent accounts for 0.1-5% by weight of a dispersible oil suspending agent system.According to the dispersible oil suspending agent to which the stabilizing agent is added, the amount of mesotrione decomposed in an oil dispersion medium can be reduced, and it can be guaranteed that the relative decomposition rate of mesotrione in a thermal stability experiment is 5% or below.Especially, increase of the color of the appearance of a preparation can be stopped, and the stable state of mesotrione is kept in the storage and transportation process of the dispersible oil suspending agent product containing mesotrione.The stabilizing agent involved in the dispersible oil suspending agent is good in adaptability to an original preparation formula, and the original physical and chemical performance of the preparation is not influenced for no matter the dispersible oil suspending agent of a single mesotrione agent or a mixed dispersible oil suspending agent compounded with other ingredients.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a dispersible oil suspension containing mesotrione. Background technique [0002] Mesotrione, also known as "Mesotrione", is a pre-emergence and post-emergence broad-spectrum selective herbicide capable of inhibiting hydroxyphenylpyruvate dioxygenase (HPPD), which can effectively control the main broad-spectrum Leaf grass and some grass weeds. Mesotrione is easy to conduct in plant xylem and phloem, and has contact killing effect and specific effect. [0003] The development of dispersible oil suspension concentrates began in the late 1970s and gradually developed in the 1980s. Since the application effects of water-based and granulated products, especially the drug efficacy, are still far behind those of emulsifiable concentrate preparations in many cases, dispersible oil suspension concentrates are an ideal choice in some cases. [0004] Mesotrione is prepared...

Claims

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Application Information

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IPC IPC(8): A01N25/04A01N25/22A01N41/10A01P13/00
Inventor 丑靖宇遇璐孙俊
Owner SHENYANG SINOCHEM AGROCHEMICALS R&D CO LTD
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