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Composite insect disinfestation micellar emulsion contaning triazophos and 'Ruijinte', and its preparation method

A technology containing triazophos and fipronil, which is applied in the field of compound insecticidal microemulsion containing triazophos and fipronil and its preparation, can solve the problem of high cost of fipronil, achieve low environmental pollution and excellent production process Simple, Long-Shelf-Life Effects

Inactive Publication Date: 2004-10-27
BAYER CROPSCIENCE (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is in order to solve above-mentioned technical problem, provide a kind of can reduce the pollution of aromatic hydrocarbon organic solvent to environment, avoid triazophos emulsifiable concentrate or triazophos / fipronil emulsifiable concentrate crystallization, and pests to triazophos emulsifiable concentrate The compound insecticidal microemulsion containing triazophos and fipronil and its preparation method which reduces the problem of drug resistance and the high cost of using fipronil alone

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0047] Triazophos 10.0%, fipronil 0.5%, styrene phenol formaldehyde resin polyoxyethylene polyoxypropylene block copolyether 6.0%, polyoxyethylene nonylphenol ether 4.0%, n-octanol 15.0%, cyclohexanone 10.0%, 0.4% triphenyl sulfite, and 0.1% tributyl phosphate were put into the reaction kettle, and the oil phase was formed after mechanical stirring. Add 5.0% ethanol, 3.0% ethylene glycol, and 2.0% urea to another reaction kettle, add deionized water to 100%, stir to completely dissolve urea, and then form the water phase. Pour the oil phase into the high-level tank, and add it dropwise to the water phase under the condition of stirring, adjust the pH value to 3 after adding, and continue stirring for 10-30 minutes, and filter to obtain 10.5% triazophos and sharp Jinte insecticidal microemulsion.

example 2

[0049] Put 20.0% of triazophos, 1.0% of fipronil, 10.0% of isobutanol, 10.0% of cyclohexanone, and 2.0% of epoxidized soybean oil into a high-speed shear mixing emulsifier, and the oil phase is obtained after high-speed shearing . Add polyethylene glycol 400 4.0%, styrene phenyl polyoxyethyl polyoxypropyl ether 6.0%, polyoxyethylene (20) sorbitan monooleate 4.5% in another high-speed shear mixing emulsifier %, nonylphenol polyoxyethylene ether sodium sulfate 4.5%, distilled water to make up to 100%, mix well to get the water phase, put the water phase into the high-level tank, and drop it into the oil phase under high-speed shearing conditions During the process, add Bi to adjust the pH value to 4 and continue shearing for 10-30 minutes. After filtering, a 21% insecticidal microemulsion containing triazophos and fipronil is obtained.

example 3

[0051] Put 25.0% of triazophos, 1.0% of fipronil, 10.0% of n-octanol, 10.0% of diacetone alcohol, and 3.0% of epichlorohydrin into a high-speed shear mixing emulsifier, and the oil is obtained after high-speed shearing Mutually. Put 3.0% propylene glycol, 1.0% sorbitol, 8.0% alkylphenol formaldehyde polyoxyethylene ether, 6.0% secondary octylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether phosphoric acid mono Ester ammonium salt 6.0%, make up to 100% with deionized water, mix evenly to obtain the water phase, put the water phase into the high-level tank, and add it dropwise to the oil phase under high-speed shearing conditions, and adjust the pH after adding value to 5 and continue to cut for 10-30 minutes, after filtration, 26% insecticidal microemulsion containing triazophos and fipronil was obtained.

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Abstract

A composite insecticide in the form of microemulsion for rice borer, leaf roller, plutella xylostella, leafhopper, etc is prepared from triazophos, fipronil, emulsifier, stabilizer, cosolvent, antifreezing agent and water through proportional mixing, stirring, and emulsifying. Its advantages are high effect and less environmental pollution.

Description

Technical field: [0001] The invention relates to an insecticide, in particular to a compound insecticidal microemulsion containing triazophos and fipronil and a preparation method thereof. Background technique: [0002] Organic solvents in pesticide emulsifiable concentrates pollute the environment and are harmful to pesticide applicators. In some countries, aromatic hydrocarbon solvents tend to be banned, which promotes the continuous updating and development of pesticide formulations. Among them, water-based formulations are one of the leading directions for the development of pesticide formulations. one. [0003] Triazophos, also known as triazophos, is a broad-spectrum insecticide and acaricide, and also has a nematocidal effect. It has stomach poisoning and contact killing effects, and is permeable to plant tissues. It can be used to control Lepidoptera pests and aphids on fruit trees, vegetables and cereal crops. At present, triazophos basically adopts emulsifiable ...

Claims

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Application Information

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IPC IPC(8): A01N57/16
Inventor 魏方林童贤明徐群辉朱国念
Owner BAYER CROPSCIENCE (CHINA) CO LTD
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