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Triazophos-containing insecticidal solid microemulsion and preparation thereof

A technology of solid microemulsion and triazophos, applied in botany equipment and methods, biocide, biocide, etc., can solve problems such as ecological environment impact, reduce environmental pollution, increase oil absorption rate, and reduce burden Effect

Inactive Publication Date: 2011-02-09
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, some experts believe that the polar organic solvents used in microemulsions will have a very adverse impact on the ecological environment. According to this opinion, the Ministry of Agriculture is also more cautious in the registration of pesticide microemulsion products.

Method used

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  • Triazophos-containing insecticidal solid microemulsion and preparation thereof
  • Triazophos-containing insecticidal solid microemulsion and preparation thereof
  • Triazophos-containing insecticidal solid microemulsion and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Embodiment 1, a kind of preparation method of the insecticidal solid microemulsion containing triazophos, carries out the following steps successively:

[0058] 1), weigh raw materials:

[0059] 5.0 parts of triazophos,

[0060] 1.5 parts of fatty alcohol polyoxyethylene ether carboxylate, 2.2 parts of tallow ethoxyamine, 1.0 parts of propylene glycol polyether and 1.3 parts of polyvinyl alcohol dimethicone graft copolymer, as the active agent;

[0061] 0.5 parts of sodium carboxymethyl cellulose and sodium benzoate supplemented to 100 parts are used as carriers together;

[0062] 2), put the above-mentioned triazophos and surfactant into the stirring tank, after stirring evenly, the oil phase is obtained;

[0063] 3), put the above-mentioned carrier into the mixer, and after fully mixing uniformly, a solid phase is obtained;

[0064] 4), when the mixer is running, gradually add the oil phase obtained in step 2) to the solid phase obtained in step 3), and after unif...

Embodiment 2

[0068] Embodiment 2, a kind of preparation method of the insecticidal solid microemulsion containing triazophos, carries out the following steps successively:

[0069] 1), select raw materials:

[0070] 5.0 parts of triazophos,

[0071] 1.5 parts of fatty alcohol polyoxyethylene ether carboxylate, 1.8 parts of tallow ethoxylamine, 1.2 parts of ethylenediamine polyether and 0.5 part of polyethylene glycol monostearate, as surfactant;

[0072] 3 parts of polyethylene glycol 4000 as binder;

[0073] Sodium benzoate supplemented to 100 parts, as carrier;

[0074] 2), put the above-mentioned triazophos and surfactant into the stirring tank, after stirring evenly, the oil phase is obtained;

[0075] 3) Add 27 parts of water to the above binder, and mix uniformly to form an aqueous solution;

[0076] 4), after uniformly mixing the above-mentioned aqueous solution with the oil phase of step 2), an emulsion is formed;

[0077] 5), put the above-mentioned carrier into the mixer, an...

Embodiment 3

[0081] Embodiment 3, a kind of preparation method of the insecticidal solid microemulsion containing triazophos, carries out following steps successively:

[0082] 1), select raw materials:

[0083] 10.0 parts of triazophos,

[0084] 0.5 parts of alkyl diphenyl ether disulfonate, 3.5 parts of fatty alcohol polyoxyethylene ether phosphate ester salt, 2.5 parts of calcium dodecylbenzenesulfonate and 6.0 parts of fatty alcohol polyoxyethylene ether methyl silane , as a surfactant;

[0085] Sodium benzoate supplemented to 100 parts, as carrier;

[0086] 2), put the above-mentioned triazophos and surfactant into the stirring tank, after stirring evenly, the oil phase is obtained;

[0087] 3), put the above-mentioned carrier into the mixer, and after fully mixing uniformly, a solid phase is obtained;

[0088] 4), when the mixer is running, gradually add the oil phase obtained in step 2) to the solid phase obtained in step 3), and after uniform mixing, a solid-oil mixture is obta...

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Abstract

The invention discloses an insecticidal solid micro-emulsifier containing triazophos, the components with the weight percent is as follows: 5 to 45 percent of triazophos, 5 to 25 percent of surfactant, 0 to 3 percent of binder, 0 to 5 percent of disintegrating agent and others a carrier. The invention also provides two preparation methods of the insecticidal solid micro-emulsifier, the first preparation method is that: 1) the raw materials are mixed with water evenly to prepare wet material; 2) the wet material is made into granules or pieces; 3) the granules or the pieces are dried; the second preparation method is that: 1) the raw materials are evenly mixed to form mixture; 2) the mixture is made into granules or pieces. The insecticidal solid micro-emulsifier of the invention not only can fully bring the biological activity of the effective contents into play and enhance the shelf life of the products, but also can prevent the pollution of chemical solvents to the environment sinceno chemical solvents are used.

Description

technical field [0001] The invention relates to the preparation principle and method of a brand-new pesticide dosage form-solid microemulsion, in particular to an insecticidal solid microemulsion containing triazophos and a preparation method thereof. Background technique [0002] As one of the 10 key varieties of triazoles determined by the National Development and Reform Commission and the Ministry of Agriculture to replace 5 highly toxic pesticides such as methamidophos, monocrotophos, methyl parathion, parathion, and omethoate Phosphorus is a broad-spectrum insecticide and acaricide, and also has a nematicide effect. It can be used to prevent and control lepidopteran pests and aphids on fruit trees, vegetables, and cereal crops. It has a huge market prospect. At present, triazophos has become my country's One of the leading varieties for controlling rice borer. According to statistics, as of February 2008, a total of 631 pesticide preparation products containing triazopho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/08A01N57/16A01P7/00
Inventor 魏方林朱国念魏晓林
Owner ZHEJIANG UNIV
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