Microcapsule suspension containing fosthiazate and beta-cyfluthrin

A high-efficiency cyfluthrin and microcapsule suspension technology, which is applied in the direction of insecticides, biocides, biocides, etc., can solve the problems of the environment and workers, and achieve low environmental pollution, long-lasting effect, and easy degradation. Effect

Inactive Publication Date: 2015-11-25
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The preparation methods of pesticide microcapsule suspensions include spraying method, decompression drying method, single (complex) coacervation method, in-situ polymerization method, interfacial polymerization method, etc. Among them, the interfacial polymerization method is currently used more widely because of its convenient operation and low production cost. , but the use of chemical materials such as ethylenediamine in production will have an impact on the environment and workers

Method used

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  • Microcapsule suspension containing fosthiazate and beta-cyfluthrin

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: 20% thiazophosphine·beta-cyfluthrin microcapsule suspension.

[0028] 1. Preparation method:

[0029] (1) Accurately weigh 8 grams of capsule wall gelatin / gum arabic / sodium alginate, in which gelatin: gum arabic: sodium alginate is 1:1:1, add the remaining amount of deionized water, mix well, heat and stir, and control the temperature At 60-70°C, make it completely melted and ready for use.

[0030] (2) Accurately weigh 19 grams of thiazophosphine and 1 gram of beta-cyfluthrin, fully and evenly dissolve them with 3 grams of xylene, add 3 grams of emulsifier alkylarylphenol polyoxyethylene ether phosphate, castor oil 1.5 grams of polyoxyethylene ether, set aside.

[0031] (3) In the case of step (1) stirring, the temperature is controlled at 60-70 ° C, add 2 grams of dispersant alkylaryl polyoxypropylene polyoxyethylene ether, and then slowly add step (2) to make it mixed and emulsified uniform.

[0032] (4) Carry out granulation with the sharp hole met...

Embodiment 2

[0036] Example 2: 30% thiazophosphine·beta-cyfluthrin microcapsule suspension.

[0037] 1. Preparation method:

[0038] (1) Accurately weigh 10 grams of capsule wall gelatin / gum arabic / sodium alginate, in which gelatin: gum arabic: sodium alginate is 1:1:1, add the rest of deionized water, mix well, heat and stir, and control the temperature At 60-70°C, make it completely melted and ready for use.

[0039] (2) Accurately weigh 25 grams of thiazophosphine and 5 grams of beta-cyfluthrin, fully and evenly dissolve them with 8 grams of xylene, add 4.5 grams of emulsifier alkylarylphenol polyoxyethylene ether phosphate, castor oil 2 grams of polyoxyethylene ether, set aside.

[0040] (3) In the case of step (1) stirring, the temperature is controlled at 60-70 ° C, add 3.5 grams of dispersant alkylaryl polyoxypropylene polyoxyethylene ether, and then slowly add step (2) to make it mixed and emulsified uniform.

[0041] (4) Carry out granulation with the sharp hole method, and th...

Embodiment 3

[0045] Embodiment 3: 20% thiazophosphine·beta-cyfluthrin microcapsule suspension.

[0046] 1. Preparation method:

[0047] (1) Accurately weigh 8 grams of capsule wall gelatin / gum arabic / sodium alginate, in which gelatin: gum arabic: sodium alginate is 1:1:1, add the remaining amount of deionized water, mix well, heat and stir, and control the temperature At 60-70°C, make it completely melted and ready for use.

[0048] (2) Accurately weigh 19 grams of thiazophosphine technical substance and 1 gram of beta-cyfluthrin technical substance, fully dissolve it completely and evenly with 3 grams of xylene, add 3 grams of emulsifier alkylbenzene sulfonate, alkylphenol polyoxyethylene Phosphate 1.5 grams, set aside.

[0049] (3) In the case of step (1) stirring, the temperature is controlled at 60-70 ° C, add 2 grams of dispersant alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, and then slowly add step (2) to make it mix Emulsifies evenly.

[0050] (4) Carry out...

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Abstract

The invention relates to a microcapsule suspension containing fosthiazate and beta-cyfluthrin. The microcapsule suspension is a high efficient and environmental friendly microcapsule suspension prepared through a piercing-concreting method, and consists of the following components by weight percentage: 1 percent to 30 percent of fosthiazate, 1 percent to 10 percent of beta-cyfluthrin, 3 percent to 15 percent of capsule-core solvent, 5 percent to 10 percent of capsule wall material, 3 percent to 10 percent of emulsifier, 1 percent to 5 percent of dispersing agent and balance of water made up to 100 percent. The microcapsule suspension disclosed by the invention is high in stability, long in lasting period, safe to use and low in environmental pollution, and can be used for pollution-free production in agricultural field.

Description

technical field [0001] The invention belongs to the field of pesticide production, in particular to a microcapsule suspension containing thiazophosphine and beta-cyfluthrin. Background technique [0002] Chemical control is an important means for humans to prevent and control agricultural and forestry diseases and insect pests. Chemical pesticides play a very important role in increasing agricultural production and income. and social issues. It is only due to the chemical pesticide itself, and to a large extent due to the unreasonable processing and application methods of the pesticide formulation. According to reports, the utilization rate of conventional pesticides is only 20% to 30%, while the loss rate through various channels is as high as 50% to 60%, which is not only a waste in economy, but also causes extensive environmental pollution. Therefore, it has become one of the future development directions of pesticide dosage forms to develop new dosage forms that are sa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/32A01N25/04A01N25/28A01P5/00A01P7/04A01N53/08
Inventor 周斌彭述明曹希敏张玉坤
Owner GUANGDONG ZHONGXUN AGRI TECH
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