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Bromothalonil missible oil and preparation method thereof

A technology of bromoxynil emulsifiable concentrate and bromoxynil, applied in the field of pesticides, can solve problems such as poor dissolution effect, poor formulation stability, etc., and achieve the effects of improving rain resistance, reducing damage, and enhancing penetration.

Inactive Publication Date: 2019-07-02
JIANGSU TUOQIU AGRI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dissolving effect of biodiesel is not as good as that of toluene and xylene when making bromthalonil EC, and the stability of the preparation is poor
The technicians of scientific research institutes and enterprises are constantly exploring and researching, hoping to find a more advanced method to manufacture bromothalonil emulsifiable concentrate. Although some progress has been made, there are still technical problems that have not been overcome in practical application.

Method used

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  • Bromothalonil missible oil and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The present embodiment provides a kind of brothalinil emulsifiable concentrate, is made by following weight percentage:

[0019] The weight percentage of each component is bromothalonil 10%, ethanol 6%, diphenyl biphenyl polyoxyethylene ether 9%, dodecylbenzenesulfonic acid 4%, nonylphenol polyoxyethylene ether phosphate 3% , Agricultural organic silicon pesticide synergist Silwet408 4%, biodiesel supplemented to 100%.

[0020] The bromothalonil emulsifiable concentrate of this implementation case is prepared according to the following steps:

[0021] (1) Add ethanol and biodiesel in the agitator and stir evenly;

[0022] (2) The former medicine of bromothalonil is added in the agitator, and stirred until completely dissolved;

[0023] (3) Put the solution obtained in step (2), diphenyl biphenyl polyoxyethylene ether, dodecylbenzenesulfonic acid, nonylphenol polyoxyethylene ether phosphate, and agricultural silicone pesticide synergist Silwet408 into In the homogeniz...

Embodiment 2

[0026] The present embodiment provides a kind of brothalinil emulsifiable concentrate, is made by following weight percentage:

[0027] The weight percentage of each component is bromothalonil 20%, ethanol 10%, diphenyl biphenyl polyoxyethylene ether 9%, dodecylbenzenesulfonic acid 5%, nonylphenol polyoxyethylene ether phosphate 2% , Organosilicon pesticide synergist ZC-6505%, and biodiesel make up to 100%. The bromothalonil emulsifiable concentrate of this implementation case is prepared according to the following steps:

[0028] (1) Add ethanol and biodiesel in the agitator and stir evenly;

[0029] (2) The former medicine of bromothalonil is added in the agitator, and stirred until completely dissolved;

[0030] (3) The solution obtained in step (2), diphenyl biphenyl polyoxyethylene ether, dodecylbenzenesulfonic acid, nonylphenol polyoxyethylene ether phosphate, and organosilicon pesticide synergist ZC-650 were respectively Put it into a homogenizer, heat up to 55°C, an...

Embodiment 3

[0033] The present embodiment provides a kind of brothalinil emulsifiable concentrate, is made by following weight percentage:

[0034] The weight percentage of each component is: 25% bromothalonil, 15% ethanol, 10% diphenyl biphenyl polyoxyethylene ether, 7% dodecylbenzenesulfonic acid, 3% nonylphenol polyoxyethylene ether phosphate %, fungicide composite additive STD-284%, and biodiesel make up to 100%. The bromothalonil emulsifiable concentrate of this implementation case is prepared according to the following steps:

[0035] (1) Add ethanol and biodiesel in the agitator and stir evenly;

[0036] (2) The former medicine of bromothalonil is added in the agitator, and stirred until completely dissolved;

[0037] (3) Put the solution obtained in step (2), diphenyl biphenyl polyoxyethylene ether, dodecylbenzenesulfonic acid, nonylphenol polyoxyethylene ether phosphate, and fungicide composite additive STD-28 into the In the homogenizer, heat up to 55°C and stir at constant t...

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Abstract

The invention relates to bromothalonil missible oil and a preparation method thereof, and belongs to the technical field of chemical engineering. The bromothalonil missible oil is composed of the following components in percentage by weight: 1-45% of bromothalonil raw reagent, 1-15% of ethanol, 10-30% of an emulsifier, 1-5% of a synergist and the balance of biodiesel. The preparation method comprises the following steps: fully stirring the ethanol, the biodiesel and the bromothalonil raw reagent in a stirrer until the raw reagent is completely dissolved, then adding the emulsifier and the synergist, feeding the mixture into a homogenizing machine, carrying out heating to 55 DEG C, carrying out stirring at a constant temperature for 45 minutes to obtain a uniform transparent oily liquid, standing the liquid at a high position for 4-6 hours, and carrying out filling to obtain the bromothalonil missible oil. The biodiesel is a renewable energy source and has good biodegradability; and solubility of the bromothalonil raw reagent in the biodiesel is increased by adjusting the ratio of the ethanol to the bromothalonil raw reagent, and the defect that stability of a preparation is poor isovercome by compatibility with the specific emulsifier; and the synergist is added, so that penetrability of the bromothalonil missible oil is enhanced, rainwater washing resistance is improved, themetabolism speed of the bromothalonil missible oil in prevention and treatment objects is delayed, and therefore, the biological prevention effect is improved. The bromothalonil missible oil preparedby using the formula and the method disclosed by the invention is low in toxicity, is environmentally friendly, and has good social and ecological benefits.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a bromothalonil emulsifiable concentrate and a preparation method thereof. Background technique [0002] Since the reform and opening up, my country's agricultural science and technology have developed rapidly, and farmers' demand for pesticides has also increased year by year. However, the increase in agricultural use has also caused prominent environmental problems. With the increasingly stringent environmental protection requirements, the development of environmentally friendly and low-toxic pesticides Pesticides are imminent. Bromothalonil 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 preventive effect on crop diseases and has special effects on anthracnose. It is widely used in various economic crops such as fruit trees, grapes, vegetables, cotton, tobacco, and flowers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/04A01N25/22A01N25/30A01N25/00A01N37/34A01P3/00A01P1/00A01P13/00
CPCA01N25/00A01N25/04A01N25/22A01N25/30A01N37/34
Inventor 廖大章廖大泉孙伯文姚舜华
Owner JIANGSU TUOQIU AGRI CHEM CO LTD
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