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Dispersible oil suspending agent containing mesosulfuron-methyl and clodinafop-propargyl and preparation method thereof

A technology containing methyldisulfuron and methyldisulfuron, applied in the field of pesticides, can solve problems such as inability to effectively solve weeds in farmland, poor weeding effect, complex grass phase, etc. High-quality, low-residue effects

Inactive Publication Date: 2017-12-29
安徽圣丰生化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, due to the large-scale single use of some herbicide varieties, many weeds have developed resistance
At the same time, due to the complexity and variety of weeds when weeds occur, the use of a single species can no longer effectively solve the weeds in the farmland, and all of them will show some defects.
At present, there are many kinds of herbicides on the market, and the application technology is also demanding. If there is a little carelessness in the application, problems such as phytotoxicity and poor weeding effect will occur.

Method used

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  • Dispersible oil suspending agent containing mesosulfuron-methyl and clodinafop-propargyl and preparation method thereof
  • Dispersible oil suspending agent containing mesosulfuron-methyl and clodinafop-propargyl and preparation method thereof
  • Dispersible oil suspending agent containing mesosulfuron-methyl and clodinafop-propargyl and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of clodinafop-propargyl mesosulfuron dispersible oil suspension concentrate, which contains 22% of the total mass fraction of mesulfuron-methyl and clodinafop-propargyl technical; The mass fraction of sulfuron-methyl was 0.9%, and the mass fraction of clodinafop-propargyl was 21.1%.

[0029] Also containing mass fraction in this dispersible oil suspension concentrate is 10% castor oil ethylene oxide, 3% organic bentonite, 8% chloroethylene oxide, 6% lignosulfonate, 5% epoxy soybean oil and 46% deionized water.

Embodiment 2

[0031] A kind of clodinafop-propargyl mesosulfuron dispersible oil suspension concentrate, which contains 22% of the total mass fraction of mesulfuron-methyl and clodinafop-propargyl technical; The mass fraction of sulfuron-methyl technical substance is 0.5%, and the mass fraction of clodinafop-propargyl technical substance is 21.5%.

[0032] Also containing mass fraction in this dispersible oil suspension concentrate is 10% castor oil ethylene oxide, 3% organic bentonite, 8% chloroethylene oxide, 6% lignosulfonate, 5% epoxy soybean oil and 42% deionized water.

Embodiment 3

[0034] A kind of clodinafop-propargyl mesosulfuron dispersible oil suspension concentrate, which contains 22% of the total mass fraction of mesulfuron-methyl and clodinafop-propargyl technical; The mass fraction of sulfuron-methyl was 0.1%, and the mass fraction of clodinafop-propargyl was 21.9%.

[0035] Also containing mass fraction in this dispersible oil suspension concentrate is 10% castor oil ethylene oxide, 3% organic bentonite, 8% chloroethylene oxide, 6% lignosulfonate, 5% epoxy soybean oil and 42% deionized water.

[0036] see figure 1 , processing method of the present invention comprises the following steps:

[0037] In the first step, grind methylsulfuron-methyl, emulsifier and dispersant until the particle size is less than 0.01cm for later use, and heat clodinafop-propargyl to a molten state at 45°C to obtain a melt of clodinafop-propargyl for later use;

[0038] In the second step, the particles of mesosulfuron-methyl, emulsifier and dispersant with a partic...

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Abstract

The invention discloses a dispersible oil suspending agent containing mesosulfuron-methyl and clodinafop-propargyl and a preparation method thereof, and belongs to the technical field of pesticide. The dispersible oil suspending agent disclosed by the invention contains the mesosulfuron-methyl and the clodinafop-propargyl according to the mass ratio of (0.01 to 1 percent): (21 to 50 percent); the sum of the mass percentage of the mesosulfuron-methyl and the clodinafop-propargyl in the total mass of the dispersible oil suspending agent is 1 to 90 percent. Firstly, an emulsifying agent, a dispersing agent, the mesosulfuron-methyl and the clodinafop-propargyl are ground until the particle diameter is 0.01cm or less; then, the materials are added into a reaction kettle to be uniformly mixed and dispersed; in the high-speed shearing state, a thickening agent is added; the materials are ground until the particle diameter is 5mu m or less; then, the stabilizing agent, the plant oil and the de-ionized water are added into the reaction kettle together; the materials are mixed and uniformly dispersed to obtain the dispersible oil suspending agent containing mesosulfuron-methyl and clodinafop-propargyl. The dispersible oil suspending agent containing mesosulfuron-methyl and clodinafop-propargyl disclosed by the invention has an obvious synergy effect.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to a dispersible oil suspension containing mesosulfuron-methyl and clodinafop-propargyl and a preparation method thereof. The dispersible oil suspension concentrate is applied to weeding in wheat fields. Background technique [0002] Wheat is one of the main food crops in my country, and weeding of wheat is a major problem in production. Chemical weeding is currently the main means of controlling weeds. In recent years, due to the large-scale use of some herbicide varieties alone, many weeds have developed resistance. At the same time, because weeds occur with complex grass phases and various types, the use of a single species can no longer effectively solve farmland weeds, and all will show a certain aspect of defects. At present, there are many kinds of herbicides on the market, and at the same time, the application technology is also demanding. If there is a little careless...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/04A01N47/36A01N43/40A01P13/00
CPCA01N25/04A01N43/40A01N47/36
Inventor 李冰清李玉洁
Owner 安徽圣丰生化有限公司
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