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A kind of metalaxyl microemulsion and preparation method thereof

A metalaxyl and microemulsion technology, applied in the field of agricultural fungicides and its preparation, can solve the problems of harm to health, environmental pollution, and high manufacturing costs, and achieve the effects of less environmental pollution, lower production costs, and reduced pollution and residues

Active Publication Date: 2016-04-27
中高(天津)知识产权管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the disadvantages of environmental pollution, harm to health and high manufacturing cost in the prior art, the present invention provides a metalaxyl microemulsion with high efficiency, low toxicity, environmental friendliness, safety for humans and animals, and easy production and use and a preparation method thereof

Method used

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  • A kind of metalaxyl microemulsion and preparation method thereof

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Effect test

Embodiment 1

[0019] Metalaxyl 2%, cyclohexanone 10%, N-methylpyrrolidone 15%, the three are fully mixed and dissolved, then enter the blending kettle, and then add 10% castor oil polyoxyethylene ether, polyol fatty acid ester and Its ethylene oxide adduct 4%, benzenesulfonate 4%, pyrogallic acid 2%, after fully stirring and dissolving, make up to 100% with deionized water, continue stirring until transparent, and obtain 1% metalaxyl Microemulsion.

Embodiment 2

[0021] Metalaxyl 5%, ethyl acetate 15%, diethyl phthalate 10%, the three are fully mixed and dissolved, then enter the blending kettle, and then add 2% alkylphenol polyoxyethylene ether, polyol fat Ester and its ethylene oxide adduct 10%, maleic acid di-sec-octyl sodium sulfonate 4%, antioxidant 2642%, after fully stirring and dissolving, make up to 100% with deionized water, continue stirring To transparent, prepared 5% metalaxyl microemulsion.

Embodiment 3

[0023] 10% of metalaxyl, 10% of cyclohexanone, 25% of dimethylformamide, the three are fully mixed and dissolved, then enter the blending kettle, and then add 13% of di-sec-octyl maleate sodium sulfonate to the blending kettle, Alkyarylphenol polyoxyethylene ether phosphate 6%, sodium sulfate 0.1%, after fully stirring and dissolving, make up to 100% with deionized water, continue stirring until transparent, and prepare 10% metalaxyl microemulsion.

[0024] The metalaxyl microemulsion product of the present invention has stable performance, is easy to produce and store, is environmentally friendly and safe to use. Tests have proved that it has good control effect on downy mildew, phytophthora and pythium of vegetables and fruit trees, and the average control effect is over 86% after 7 days of application; it is safe and has no drug on crops It is a pollution-free agricultural fungicide worthy of popularization and application.

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Abstract

The invention discloses metalaxyl microemulsion and a preparation method thereof. The metalaxyl microemulsion comprises, by weight percent, 1-10% of metalaxyl, 5-60% of solvent and cosolvent, 5-20% of emulsifier, 1-5% of stabilizer, and the balance of deionized water. The preparation method includes completely dissolving the crude metalaxyl in the solvent and cosolvent, adding obtained liquid into a mixer, adding the emulsifier, the stabilizer and the deionized water according to a certain proportion, and mixing well to obtain the metalaxyl microemulsion. The metalaxyl microemulsion is low in toxicity, environment-friendly, stable in performance, easy to degrade, and high in activity to damage of crops by diseases. The metalaxyl microemulsion is simple in preparation process and is easy to produce.

Description

technical field [0001] The invention relates to an agricultural fungicide and a preparation method thereof, in particular to a metalaxyl microemulsion and a preparation method thereof. Background technique [0002] Metalaxyl, also known as Apulon, Radomir, Ruidumou, and Metalaxan. A high-efficiency systemic fungicide with protective and therapeutic effects, which can be quickly absorbed by the roots, stems and leaves of plants, and transferred to various organs of plants with the movement of water in plants, so it is resistant to rain erosion. It can be used for stem and leaf spraying, seed treatment and soil treatment, and is effective for crop diseases such as vegetables, fruit trees, tobacco, oil plants, cotton, and grain caused by downy mildew, Phytophthora, and Pythium. [0003] Pesticide dosage forms such as emulsifiable concentrate and powder have played an important role in the development of my country's pesticide industry, and they also account for a large proport...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/46A01N25/04A01P3/00
Inventor 周斌于飞阎工程彭述明
Owner 中高(天津)知识产权管理有限公司
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