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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 fields of botanical equipment and methods, biocides, animal repellents, etc., can solve the problem of high cost of fipronil, and achieves low environmental pollution, safe storage and transportation, and convenient transportation. The effect of preparation

Inactive Publication Date: 2005-11-09
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 pest to triazophos emulsifiable concentrate Combination of triazophos- and fipronil compound insecticidal microemulsion and preparation method thereof while reducing the problem of high cost of using fipronil alone

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0047] 20.0% of triazophos, 1.0% of fipronil, 10.0% of isobutanol, 10.0% of cyclohexanone and 2.0% of epoxidized soybean oil were put into the high-speed shearing mixing emulsifier, and the oil phase was obtained after high-speed shearing . In another high-speed shearing mixing emulsifier, put polyethylene glycol 4004.0%, styrene phenyl polyoxyethyl polyoxypropyl ether 6.0%, polyoxyethylene (20) sorbitan monooleate 4.5% , nonylphenol polyoxyethylene ether sodium sulfate 4.5%, distilled water to make up to 100%, after mixing evenly, the water phase is obtained. , after adding and adjusting the pH value to 4 and continuing to shear for 10-30 minutes, after filtration, a 21% insecticidal microemulsion containing triazophos and fipronil is obtained.

example 2

[0049] Put triazophos 25.0%, fipronil 1.0%, n-octanol 10.0%, diacetone alcohol 10.0%, epichlorohydrin 3.0% into a high-speed shearing mixing emulsifying machine, and the oil is obtained after high-speed shearing Mutually. Add 3.0% propylene glycol, 1.0% sorbitol, 8.0% alkylphenol formaldehyde polyoxyethylene ether, 6.0% secondary octylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether monophosphate into another high-speed shearing mixing emulsifier. Ester ammonium salt 6.0%, deionized water to make up to 100%, after mixing evenly, the water phase is obtained, the water phase is poured into the high-level tank, and under the condition of high-speed shearing, it is added dropwise to the oil phase, and the pH is adjusted after the addition. value to 5 and continue shearing for 10-30 minutes, after filtration, a 26% insecticidal microemulsion containing triazophos and fipronil is obtained.

example 3

[0051]30.0% of triazophos, 1.0% of fipronil, 7.0% of isobutanol, 1.0% of dimethyl sulfoxide, 2.5% of epichlorohydrin, and 0.5% of butyl glycidyl ether were put into the reaction kettle, and stirred mechanically. Then the oil phase is obtained. In another reactor, put methanol 7.0%, glycerol 3.0%, styrene phenyl polyoxyethylene ether 10.0%, styrene phenol formaldehyde resin polyoxyethylene ether 8.0%, nonylphenol polyoxyethylene ether phosphate 7.0% %, deionized water to make up to 100%, the water phase is obtained after the mechanical stirring is uniform, the water phase is poured into the high-level tank, and added dropwise to the oil phase under the condition of stirring, and the pH value is adjusted to 6 and continues. Stir for 10-30 minutes, and obtain 31% insecticidal microemulsion containing triazophos and fipronil after filtration.

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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] The organic solvent in the pesticide emulsifiable concentrate pollutes the environment and is harmful to the pesticide applicator. 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, acaricide, and also has nematicidal effects. It has stomach poisoning and contact killing effects, and is permeable to plant tissues. It can be used to control lepidopteran pests and aphids on fruit trees, vegetables and cereal crops. At present, triazophos basically adopts emulsif...

Claims

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Application Information

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