Water emulsion containing avermectin and carbosulfan and its preparation method

A technology of abamectin and water-emulsion, which is applied in the field of water-emulsion containing abamectin and carbosulfan and its preparation, can solve the problems of long residual effect period and achieve the effect of improving the control effect

Inactive Publication Date: 2013-01-02
JIXI NONGHUA BIOTECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Water emulsion containing avermectin and carbosulfan and its preparation method
  • Water emulsion containing avermectin and carbosulfan and its preparation method

Examples

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Effect test

Embodiment 1

[0030] Abamectin. Carbosulfan 15.0%: Alkylphenol polyoxyethylene ether 5.0%, xylene 5.0%, ethylene glycol 4.0%, epoxy soybean oil 2.0%, xanthan gum 0.2%, deionized water to 100%.

[0031] When processing water emulsion, it is carried out in an emulsification dispersion tank. Firstly, the weighed avermectin, carbosulfan and organic solvent are mixed evenly under mechanical stirring to form an oil phase; water and stabilizer, antifreeze Put the additives and additives into the emulsification and dispersion kettle, and start stirring at a speed of 6000 rpm, then put the oil phase into the emulsification and dispersion kettle, and stir for 30-60 minutes to make it a uniform emulsion.

example 2

[0033] Abamectin. Carbosulfan 20.0%: Alkylphenol polyoxyethylene ether 2.0%, phenethylphenol polyoxyethylene ether 3.0%, methanol 8.0%, glycerol 5.0%, epoxy soybean oil 2.0% , xanthan gum 0.2%, sodium hydroxymethylcellulose 1.0%, deionized water to 100%.

[0034] First, put the weighed avermectin, carbosulfan, methanol, alkylphenol polyoxyethylene ether, and phenethylphenol polyoxyethylene ether into the emulsification dispersion kettle and mix evenly. Stirring is started at low temperature to form an oil phase; after mixing deionized water, glycerin, epoxidized soybean oil, xanthan gum, and sodium hydroxymethyl cellulose, they are slowly put into an emulsification dispersion kettle, and stirred for about 40 minutes to make it Become a homogeneous emulsion.

example 3

[0036] Abamectin. Carbosulfan 25.0%: castor oil polyoxyethylene ether 12.0%, solvent naphtha 10.0%, propylene glycol 5.0%, epichlorohydrin 2.0%, polyvinyl alcohol 1.0%, deionized water to 100% .

[0037] First, put the weighed avermectin-carbofuran, solvent oil, and castor oil polyoxyethylene ether into the emulsification dispersion kettle and mix evenly, and start stirring at a speed of 8000 rpm to form an oil phase; After mixing deionized water, propylene glycol, epichlorohydrin and polyvinyl alcohol, slowly put it into the emulsification dispersion tank and stir for about 50 minutes to make it into a uniform emulsion.

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Abstract

The invention discloses a water emulsion containing avermectin and carbosulfan and its preparation method. The water emulsion uses avermectin and carbosulfan as basic components and water as dispersion medium, to be formed into uniform and flowable water emulsion through adding adjuvants and high shear dispersion of a homogenizer. In the invention, the effective components and auxiliary carriers comprises (by wt%) avermectin and carbosulfan composite 5-30, emulsifying agent 1-15, cosolvent 1-15, stabilizer 1-5, dispersant 1-15, antifreezing agent 2-10, antifoaming agent 0.1-1, and water as balance.

Description

technical field [0001] The invention relates to an agricultural compound insecticide, in particular to an aqueous emulsion containing abamectin and carbosulfan and a preparation method thereof. technical background [0002] Pesticide water emulsion is a new model with high efficiency, safe storage and transportation, and low pollution, which is prepared with water as the matrix and using the theory and method of physical and chemical liquid-liquid dispersion systems. The dispersion particle size of the oil phase liquid droplet in this dosage form is less than 3 microns, no or less organic solvent is used, the cost is equivalent to or slightly lower than that of emulsifiable concentrate, the dispersion degree of active ingredients is high, and the drug effect is good. Generally, the water content of water emulsion is more than 50%, which not only saves a lot of organic solvents, but also greatly reduces the pressure on the environment, which is of great significance for prote...

Claims

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Application Information

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IPC IPC(8): A01N47/24A01N43/90A01N25/04A01P7/00
Inventor 高伟荣王兴旺孙运迎刘大伟
Owner JIXI NONGHUA BIOTECH
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