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Quizalofop-p-ethyl emulsion in water and preparation method thereof

A technology of quizalofop-p-ethyl and water-emulsion, which is applied in the field of quizalofop-p-p-p-p water emulsion and its preparation, can solve the problems of harming health, environmental pollution, high manufacturing cost, etc., achieve less environmental pollution, reduce production cost, and reduce pollution and residual effects

Inactive Publication Date: 2011-07-20
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of environmental pollution, harm to health and high manufacturing cost in the prior art and develop a high-efficiency, low-toxic, environmentally friendly, safe for humans and animals, and easy to produce and use. water emulsion

Method used

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  • Quizalofop-p-ethyl emulsion in water and preparation method thereof
  • Quizalofop-p-ethyl emulsion in water and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: 5% quizalofop-p-ethyl, 12% xylene, the two are mixed and fully dissolved, then add 3% castor oil polyoxyethylene ether, 2% fatty alcohol polyoxyethylene ether, alkylphenol formaldehyde resin polyoxyethylene 1% ether sulfate, 2% pyrogallic acid, and 2% peanut oil to obtain the oil phase; 4% ethylene glycol was thrown into the remaining deionized water, and the water phase was made after fully stirring in the preparation kettle. phase was slowly added to the water phase, and sheared at 6000 rpm for 30 minutes to obtain a 5% quizalofop-p-ethyl emulsion in water.

Embodiment 2

[0020] Embodiment 2: Quizalofop-p-ethyl 10%, xylene 10%, diethyl phthalate 10%, the three are mixed and fully dissolved; then add polyoxyethylene sorbitan fatty acid ketone 2%, maleic diethyl ether Di-sec-octyl sodium sulfonate 1%, alkylphenol formaldehyde resin polyoxyethylene ether sulfate 1.5% (instructions, dispersant is added here), antioxidant 264 2%, peanut oil 4%, to obtain the oil phase; glycerin Put 4% alcohol into deionized water, stir fully in the preparation kettle to make the water phase, turn on the stirring, slowly add the oil phase to the water phase, cut at 6000 rpm for 15 minutes, and obtain 10% quinagra Spiritual water emulsion.

Embodiment 3

[0021] Example 3: Quizalofop-p-ethyl 20%, N-octylpyrrolidone 10%, aromatic hydrocarbon solvent Solvesso150 25% (aromatic hydrocarbon solvent Solvesso150 is a product of ExxonMobil, USA), the three are mixed and fully dissolved, and then castor oil is added Polyoxyethylene ether 4%, polyoxyethylene sorbitan fatty acid ketone 2%, fatty alcohol polyoxyethylene ether 1%, alkylphenol formaldehyde resin polyoxyethylene ether sulfate 1%, epoxy soybean oil 5% to obtain oil Phase; Glycerol 4% is fully stirred in the preparation kettle to make a water phase. After the stirring is turned on, the oil phase is slowly added to the water phase, and the 6000 rpm shears for 20 minutes to obtain 20% quizalofop-ethyl water emulsion.

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Abstract

The invention discloses a quizalofop-p-ethyl emulsion in water and a preparation method thereof. The quizalofop-p-ethyl emulsion in water comprises the following components in percentage by weight: 1 to 20 percent of quizalofop-p-ethyl, 1 to 45 percent of solvent and cosolvent, 1 to 15 percent of emulsifier, 0.5 to 2 percent of dispersant, 1 to 5 percent of stabilizer, 1 to 5 percent of antifreezing agent, and the balance of deionized water. The method comprises the following steps of: dissolving the quizalofop-p-ethyl into the solvent and the cosolvent, and then adding the emulsifier, the stabilizer and the dispersant to obtain an oil phase; and mixing the antifreezing agent with the deionized water to obtain an aqueous phase, and slowly adding the oil phase into the aqueous phase or slowly adding the aqueous phase into the oil phase under high shear conditions to obtain the quizalofop-p-ethyl emulsion in water. The quizalofop-p-ethyl emulsion in water has the characteristics of high efficiency, low toxicity, and environment friendliness, and is safe for people and livestock, and easy to degrade.

Description

technical field [0001] The invention relates to a pesticide preparation, in particular to a quizalofop-p-ethyl aqueous emulsion and a preparation method thereof. Background technique [0002] Quizalofop-p-ethyl, also known as Jinghe grass gram, is an improved product after removing inactive optical isomers in the process of synthesizing gram of grass. It is a selective, systemic arylphenoxypropionic acid Conductive, foliage treatment herbicide with low toxicity. Its mechanism of action and herbicidal spectrum are similar to that of Hecaogram. It is absorbed through the stems and leaves of weeds, conducts bidirectionally up and down in the plant body, accumulates in the top and meristem, inhibits the synthesis of fatty acids in cells, and causes the necrosis of weeds. Quizalofop-ethyl is a highly selective new dry field stem and leaf treatment agent, which is highly selective between grass weeds and dicotyledonous crops, and has a good control effect on grass weeds in broad-...

Claims

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Application Information

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IPC IPC(8): A01N25/04A01N43/60A01P13/00
Inventor 王龙江孟献秋张志涛刘华金
Owner GUANGDONG ZHONGXUN AGRI TECH
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