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Spinosad microemulsion and preparation method thereof

A spinosad and microemulsion technology, applied in the field of agricultural pesticides and their preparation, can solve the problems of environmental pollution, high manufacturing cost, harm to health and the like, achieve environmental friendliness, reduce production costs, and reduce environmental pollution Effect

Active Publication Date: 2012-10-17
湖南农大海特农化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the disadvantages of environmental pollution, harm to health and high manufacturing cost in the prior art, the present invention provides a spinosad microemulsion with high efficiency, low toxicity, environmental friendliness, safety for humans and animals, and easy production and use and its preparation method

Method used

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  • Spinosad microemulsion and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: According to the technical scheme of the present invention, take by weighing 5% of the original drug of spinosad, 10% of cyclohexanone, and 10% of ethyl acetate, mix the three, and after fully dissolving, add castor oil polyoxyethylene ether 5%, polyol fatty acid ester and its ethylene oxide adduct 4%, dialkyl succinate sulfonic acid sodium salt 4%, sesame oil 3%, after fully stirring and dissolving, stir at 3000 rpm Slowly inject deionized water to make up to 100%, and after passing the inspection, a transparent 5% spinosad microemulsion is prepared.

Embodiment 2

[0019] Embodiment 2: according to the technical scheme of the present invention, take spinosad former drug 15%, ethyl acetate 15%, Solvesso200 10%, the three are mixed, after fully dissolving, then add alkylphenol polyoxyethylene ether 2 %, polyol fatty acid ester and its ethylene oxide adduct 10%, maleic acid di-sec-octyl sodium sulfonate 4%, fatty alcohol sulfate 3%, doubly killed 3%, after fully stirring and dissolving , Slowly inject deionized water to make up to 100% under stirring at 4000 rev / min. After passing the inspection, a transparent 15% spinosad microemulsion is prepared.

Embodiment 3

[0020] Embodiment 3: According to the technical scheme of the present invention, take by weighing 20% ​​of the original powder of spinosyn, 10% of cyclohexanone, and 25% of N-octylpyrrolidone. 13% sodium di-sec-octyl sulfonate, 6% alkylarylphenol polyoxyethylene ether phosphate, 0.1% sodium sulfate, 1% alkylamine oxide, 2% propargyl ether, fully stirred and dissolved, at 4000 Slowly inject deionized water under stirring at rpm to make up to 100%, and after passing the inspection, a transparent 20% spinosad microemulsion is prepared.

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Abstract

The invention discloses a spinosad microemulsion and a preparation method thereof. The spinosad microemulsion comprises components of, by weight: 1-20% of spinosad, 5-40% of solvent and cosolvent, 6-20% of emulsifying agent, 1-5% of penetrating agent, 1-5% of synergist and the balance of deionized water. The preparation method is as below: dissolving the spinosad into solvent and cosolvent completely; adding a certain proportion of emulsifying agent, penetrating agent and synergist into a preparation vessel to prepare an oil phase; slowly adding deionized water with stirring at 1000-6000 R / min to supplement to 100%; and examining quality, so as to obtain a transparent spinosad microemulsion. The present invention has advantages of high efficiency, low toxicity, friendliness to the environment, safety to human and animal, and easiness for production and use.

Description

technical field [0001] The invention relates to an agricultural insecticide and a preparation method thereof, in particular to a spinosad microemulsion and a preparation method thereof. Background technique [0002] Spinosad is a kind of macrolide pollution-free and high-efficiency biopesticide extracted from the fermentation broth of Saccharopolyspora spinosa. It has rapid contact and stomach poisoning effects on pests, and has no systemic effect. It has a strong penetrating effect on the leaves, can kill the pests under the epidermis, has a long residual effect period, and has a certain ovicidal effect on some pests. It can effectively control Lepidoptera, Diptera and Thysanoptera pests, and can also control certain pest species in Coleoptera and Orthoptera that eat a lot of leaves. It is relatively safe for predatory natural enemy insects. Due to the unique mechanism of insecticidal action, no reports of cross-resistance with other insecticides have been found so far. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/22A01N25/04A01P7/04
Inventor 王龙江孟宪秋阎工程彭述明
Owner 湖南农大海特农化有限公司
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