Eugenol micro-emulsion

The technology of eugenol microemulsion and eugenol, which is applied in the field of pesticides, can solve the problems of large plant resources, consumption and the like, and achieves the effects of good drug efficacy, safe transportation and saving of organic solvents

Inactive Publication Date: 2007-09-19
JIANGSU ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing eugenol is directly extracted from plants using water or organic solvents, which consumes a lot of plant resources

Method used

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  • Eugenol micro-emulsion
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  • Eugenol micro-emulsion

Examples

Experimental program
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Embodiment 1

[0023] The following eugenol microemulsions with different contents are all prepared by this method: eugenol is completely dissolved with a solvent, and stirred after the eugenol is fully dissolved, and emulsifier, synergist and antifreeze are added during stirring, and the above-mentioned system is mixed After uniformity, slowly add water into the above mixed solution, and fully stir to prepare eugenol microemulsions with different contents.

[0024] (1) Eugenol microemulsion: eugenol 5%, ethanol 10%, alkyl polyoxyethylene ether and nonylphenol polyoxyethylene ether 20%, azone 2%, ethylene glycol and glycerol 5%, tap water to supplement to 100%.

[0025] (2) Eugenol microemulsion: Eugenol 10%, methyl alcohol 15%, fatty acid polyoxyethylene ester and styrene ethylphenol polyoxyethylene ether 18%, complex sodium nitrophenolate 0.5%, propylene glycol 4%, deionized water make up to 100%.

[0026] (3) Eugenol microemulsion: eugenol 15%, acetone 13%, nonylphenol polyoxyethylene e...

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Abstract

The invention relates to a micro-emulsion with eugenol as effective component and the preparation method thereof. The micro-emulsion is composed of eugenol, solvent, emulsifying agent, synergic aid, antifreezing agent, and water. The eugenol micro-emulsion in the invention is provided with high efficiency, low toxicity, low production cost, simple preparation process, good safety in production, storage and transportation, and use process, and good environmental protection performance.

Description

Technical field: [0001] The invention belongs to the field of pesticides, in particular to a bactericidal microemulsion formulated with eugenol as a bactericidal active component and a preparation method thereof. Background technique: [0002] Eugenol (Eugenol), also known as eugenol, eugenol, chemical name is 2-methoxy-4-allylphenol, the structural formula is: [0003] [0004] Appearance is colorless to light yellow viscous oily liquid. It turns black and sticky under exposure to air and light. The boiling point is 255°C, the freezing point is -9.2~-9.1°C, the flash point is about 104°C, the freezing point is 10.3°C, the relative density is 1.0652~1.0664, and the refractive index is 1.5410. Almost insoluble in water, miscible with ethanol, chloroform, ether, oil. Exist in the volatile oil of Syzygium aromaticum (Syzygium aromaticum), volatile oil of calamus (Acorus calamus L.), volatile oil of Murraya paniculata (L.) Jack.) of Rutaceae plant, etc. Used as a flavor e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N31/08A01N25/02A01P3/00
Inventor 石志琦王春梅陈浩范永坚
Owner JIANGSU ACAD OF AGRI SCI
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