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Hostathion micro emulsion and its preparing method

A technology of triazophos microemulsion and triazophos, applied in botany equipment and methods, biocide, biocide, etc., can solve the problems of easy crystal precipitation, high triazophos decomposition rate, poor environmental compatibility, etc. problems, to achieve the effect that is beneficial to the quality of the ecological environment, the requirements for packaging materials are not high, and the absorption rate is high

Inactive Publication Date: 2008-06-25
荆州沙隆达控股有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It solves the problems of high decomposition rate of the existing product triazophos, easy precipitation of crystals, difficult storage, poor environmental compatibility, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] First, fully mix and dissolve 1kg of solvent toluene and 5kg of triazophos stock solution for 25 minutes, then add 4kg of emulsifier alkyl polyoxyethylene ether, 6kg of phenylethylphenol polyoxyethylene ether, and 4kg of calcium alkylbenzenesulfonate, and then stir evenly , finally add 79.5kg of tap water and 0.5kg of ammonium acetate, and then continue to stir for 1h to become a uniform and transparent triazophos microemulsion.

Embodiment 2

[0027] First, fully mix and dissolve 1.5kg of solvent n-butanol, 1kg of cyclohexanone and 10kg of triazophos original drug for 25min, then add emulsifier 8kg of benzylphenol polyoxyethylene ether, 3kg of alcohol ether sulfate, alkylbenzenesulfonic acid Add 3kg of sodium, stir evenly, and finally add 72kg of tap water, 1kg of stabilizer ammonium sulfate, and 0.5kg of urea, and continue stirring for 1.5h to form a uniform and transparent triazophos microemulsion.

Embodiment 3

[0029] First, fully mix and dissolve 4kg of solvent ethanol and 15kg of triazophos original drug for 25 minutes, then add 4kg of emulsifier calcium alkylbenzenesulfonate, 5kg of phenylethylphenol polyoxyethylene ether, and 5kg of succinate sulfonate, and then stir Evenly, finally add 66kg of tap water and 1kg of stabilizer methylurea, and continue to stir for 1h to become a uniform and transparent triazophos microemulsion.

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PUM

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Abstract

Hostathion micro-emulsion, a kind of pesticide composition, is comprised of 5-25wt.% of hostathion,1-10wt.% of solvent,5-30wt.% emulsifying agent,0.5-5wt% stabilizing agent and residual water. And stabilizing agent is selected from at least one of the followings, ammonium acetate,ammonium sulphate,potassium dihydrogen phosphate(KDP),diammonium phosphate,carbamide,methylurea,ethylurea. It is advanced in its low production cost and being safe during the production, the storage and the use period. The stability of hostathion is obviously improved, especially in solving the sedimentation issue. The solvent is greatly reduced, so it is more economic to the resource and the environment.

Description

technical field [0001] The invention relates to a pesticide preparation and a preparation method thereof, in particular to a triazophos microemulsion and a preparation method thereof. Background technique [0002] Triazophos is a broad-spectrum insecticide with certain nematicide activity. This agent has contact killing and stomach poisoning effects, and has a certain infiltration effect. Its registered crops and control objects are mainly rice stem borer, Three stem borers. The dosage form is mainly emulsifiable concentrate, and the content is 20%, 30%, 40%. The triazophos produced by many manufacturers are all emulsifiable concentrate preparations. The emulsifiable concentrate formula needs to use a large amount of solvents such as toluene, xylene, methanol, etc., and the dosage is 40-70%. After a large amount of these organic solvents are used, they will seriously pollute water sources and destroy ecosystem. From the perspective of environmental protection and sustaina...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/16A01N25/04A01P5/00
Inventor 王成陈林肖洪波邓德峰何红霞文琴吴庆芳周用义段然
Owner 荆州沙隆达控股有限公司
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