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Suspending agent of metribuzin methyl oleate

A technology of mecitrione oleic acid and suspending agent, which is applied to herbicides, algicides, biocides, biocides, etc., to reduce the use of organic solvents, stabilize performance, and avoid sedimentation

Inactive Publication Date: 2017-02-08
HEFEI JIUYI AGRI DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dosage form of mecitrione in the existing market is mainly wettable powder, and there is no report of mecitrione oil suspension

Method used

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  • Suspending agent of metribuzin methyl oleate
  • Suspending agent of metribuzin methyl oleate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Mecitrione 10kg, nonylphenol polyethylene glycol ether 2kg, lauryl acrylate and styrene copolymer polycarboxylic acid dispersant 4kg, fly ash 0.5kg, dodecyl sulfonic acid intercalated magnesium aluminum hydrotalcite 0.5kg, silicone 0.1kg, 82.9kg methyl oleate.

[0020] Preparation:

[0021] 1) Add mezimidone technical, nonylphenol polyethylene glycol ether, lauryl acrylate and styrene copolymer polycarboxylic acid dispersant, silicone and methyl oleate into the mixing tank, and stir under high shear Next, the materials are fully mixed evenly to obtain mixture A;

[0022] 2) Then heat the mixture A to 45°C, add fly ash and dodecyl sulfonic acid intercalated magnesium aluminum hydrotalcite, stir continuously, cool to room temperature, put the mixed material into a sand mill for grinding, sand Grind for 2 hours, that's it.

Embodiment 2

[0024] Mecitrione 16kg, fatty alcohol polyoxyethylene ether 4kg, lauryl acrylate and styrene copolymer polycarboxylic acid dispersant 5kg, fly ash 2kg, dodecyl sulfonic acid intercalated magnesium aluminum hydrotalcite 1kg, Octanol 0.5kg, methyl oleate 71.5kg.

[0025] Preparation:

[0026] 1) Add the original drug of mecitrione, fatty alcohol polyoxyethylene ether, lauryl acrylate and styrene copolymer polycarboxylic acid dispersant, n-octanol and methyl oleate into the mixing tank, and stir under high shear, Mix the materials well and evenly to obtain mixture A;

[0027] 2) Then heat the mixture A to 48°C, add fly ash and dodecyl sulfonic acid intercalated magnesium aluminum hydrotalcite, stir continuously, after cooling to room temperature, put the mixed material into a sand mill for grinding, sand Grind for 2 hours, that's it.

Embodiment 3

[0029] Mecitrione 20kg, methyl ricinoleate polyoxyethylene ether 8kg, lauryl acrylate and styrene copolymer polycarboxylic acid dispersant 6kg, fly ash 3.6kg, dodecyl sulfonic acid intercalated magnesium aluminum 3.6kg Hydrotalcite-like, n-octanol 0.8kg, 58kg methyl oleate.

[0030] Preparation:

[0031] 1) Add the original medicine of metrizone, ricinoleic acid methyl ester polyoxyethylene ether, lauryl acrylate and styrene copolymer polycarboxylic acid dispersant, n-octanol and methyl oleate in the mixing kettle, Under stirring, the materials are fully mixed evenly to obtain mixture A;

[0032] 2) Then heat the mixture A to 52°C, add fly ash and dodecyl sulfonic acid intercalated magnesium aluminum hydrotalcite, stir continuously, after cooling to room temperature, put the mixed material into a sand mill for grinding, sand Grind for 2.5 hours, that's it.

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Abstract

The invention provides a suspending agent of metribuzin methyl oleate. The suspending agent comprises the following components in weight percentage: 10-30% of metribuzin, 2-10% of emulsifier, 2-8% of dodecyl acrylate and styrol copolymer polycarboxylic acid dispersant, 0.5-6% of viscosity conditioning agent, 0.1-1% of antifoaming agent and methyl oleate as the balance. The viscosity conditioning agent is a mixture of fly ash and modified magnesium aluminum hydrotalcite. The modified magnesium aluminum hydrotalcite is in the form of dodecyl sulfonic acid-intercalated magnesium-aluminum hydrotalcite. The suspending agent is high in suspension stability, and can meet the needs of high-altitude and low-temperature regions. Meanwhile, the influence of organic solvents on the environment is reduced.

Description

technical field [0001] The invention belongs to the technical field of herbicides, and in particular relates to a suspending agent of metrimetrione methyl oleate. Background technique [0002] Mecitrione (4-amino-6-tert-butyl-4,5-dihydro-3-methylthio-1,2,4-triazin-5(4H)-one, MTB) is a selective herbicide , its active ingredients are absorbed by the roots of weeds and conducted to the upper part of the transpiration flow, and can also be absorbed by the leaves for limited conduction in the body. The herbicidal activity is mainly exerted by inhibiting the photosynthesis of sensitive plants. Affected, leaves chlorosis after emergence, and finally nutrient depletion and death. Mecitrione is widely used as a herbicide to control pre-emergence and post-emergence weeds in soybean, potato, tomato and other crops, and can effectively control cocklebur, quinoa, foxtail and other weeds in potato fields. [0003] Pesticide oil suspension concentrate is a dispersion of oil-insoluble so...

Claims

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Application Information

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IPC IPC(8): A01N25/04A01N43/707A01P13/00
CPCA01N25/04A01N43/707
Inventor 沈运河余正莲赵晓俊范富云
Owner HEFEI JIUYI AGRI DEV
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