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Green production technology for bromothalonil

A technology for green production and bromoxynil, applied in the field of green production technology of bromoxynil, can solve problems such as pollution and unfriendly environment, and achieve the effects of reducing production cost, high product yield and good crystal form

Inactive Publication Date: 2016-01-06
JIANGSU TUOQIU AGRI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a large number of additives are used in this production method, such as catalysts, dispersants, etc. These reagents are not friendly to the environment and will cause pollution in the reproduction process. Therefore, a green production process of bromothalonil is needed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the manufacturer's conditions, and the unspecified implementation conditions are usually conventional experimental conditions.

[0027] The specific embodiment of the green production technology of a kind of bromothalonil of the present invention is described in detail as follows:

[0028] A kind of green production technique of bromothalonil, comprises the steps:

[0029] 1) Get 120kg of triethylamine, and vacuum the liquid into the high-level metering tank for subsequent use;

[0030] 2) Use the same pumping method to pump 1350kg of acrylonitrile into the 2000L reactor, control the temperature of the material to about 30°C, add 80kg of crushed zinc chloride from the manhole and start stirring for 60 minutes, the zinc chloride will be completely d...

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PUM

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Abstract

The invention provides a green production technology for bromothalonil. The technology has the advantages that operation is easy, the production process is green and free of pollutant discharge, used solvent can be recycled and reused, the product yield is high, the production cost is effectively reduced, energy is saved, consumption is reduced, and the obtained bromothalonil is high in content, good in crystal form and low in color number and can be combined with multiple bactericides to form a sterilization composition, and effectively inhibit and eradicate growth of bacteria, fungi and algae.

Description

technical field [0001] The invention relates to a green production process of bromothalonil. Background technique [0002] Bromothalonil (bromothalonil), chemical name: 1,2-dibromo-2,4-dicyanobutane, is a compound with low toxicity and broad-spectrum bactericidal, anti-mildew and algicidal properties, which can inhibit and Eliminates bacterial, fungal and algal growth. It is a broad-spectrum, high-efficiency, and low-toxic fungicide, which can inhibit and eradicate the growth of fungi, bacteria, and algae. It has a good control effect on crop diseases and has special effects on anthracnose. Widely applicable to fruit trees, grapes, vegetables, cotton, peanuts, watermelon, tobacco, tea trees, flowers and other crops, to prevent and control anthracnose, scab, scab, powdery mildew, rust, blight, damping-off, rhizome Rot, canker, bacterial wilt, angular spot and other fungal and bacterial diseases. The application method is flexible, and foliar spray, seed treatment and soil ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C253/30C07C255/10
Inventor 廖大章廖大泉孙伯文
Owner JIANGSU TUOQIU AGRI CHEM CO LTD
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