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Suspension agent composition containing pyraclostrobin and preparation method of suspension agent composition

A technology of pyraclostrobin and suspending agent, which is applied in the field of pesticides, can solve problems such as the suspending agent is prone to problems and the effect is not very stable, and achieve good heat storage stability and system stability.

Inactive Publication Date: 2019-01-25
江苏长青生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is an unstable factor, and the suspending agent is prone to problems, resulting in unstable effects during use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019] 10% pyraclostrobin suspension concentrate, see Table 1:

[0020] Table 1

[0021] Material function

Material name

%

Active ingredients

pyraclostrobin technical

10%

Surfactant

EO-PO block polyether

5%

Surfactant

Maleic acid-acetic acid copolycarboxylate sodium salt

7%

Surfactant

Castor oil polyoxyethylene ether

2%

rheological agent

xanthan gum

0.2%

PH regulator

citric acid

0.1%

preservative

Casson

0.25%

oily substance

No. 10 white oil

15%

Thinner

Deionized water

make up 100%

[0022] Processing step (1), under the condition that the cooling water is turned on, 10% of the pyraclostrobin original drug, 5% of EO-PO block polyether, 7% of maleic acid-acetic acid copolymerized carboxylic acid Sodium salt, 2% castor oil polyoxyethylene ether, 0.2% xanthan gum, 0.1% citric acid, 0.25% Kathon preservative are dissolved and dispersed ...

example 2

[0026] 15% pyraclostrobin suspension concentrate, see Table 2:

[0027] Table 2

[0028] Material function

example 3

[0030] 25% pyraclostrobin suspension concentrate, see Table 3:

[0031] table 3

[0032] Material function

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PUM

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Abstract

The invention relates to a suspension agent composition containing pyraclostrobin and a preparation method of the suspension agent composition. The suspension agent composition is prepared from the following components by weight: 1% to 30% of crude drug containing pyraclostrobin, 1% to 30% of surfactant, 0.1% to 3% of leveling agent, 0.1% to 1.0% of PH (potential of hydrogen) regulator, 0.1% to 1.0% of preservative, 1% to 20% of oily substance, and a thinner, wherein the total percent is 100 percent. The suspension agent composition has the advantage that by adopting the preparation formula, the difficult problem of poor stability in thermal storage of a pyraclostrobin suspension agent in the processing industry of pesticide preparations can be well solved.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to solving the technical problems that pyraclostrobin raw medicine is processed into a suspension product with unstable heat storage and easy crystal growth and crystal transformation of the raw medicine. Background technique [0002] The melting point of pyraclostrobin active drug is very low. At present, according to the several crystal forms disclosed, the temperature span range is relatively large, between 40 and 60°C; the physical processing properties between the various crystal forms are not complete Similarly, it is still relatively difficult to process it into a suspending agent. [0003] Easy to flocculate and coalesce. Because of the strong force between ions, flocculation and coalescence of fine particles are prone to occur, and the particles grow longer to form a larger combination, which eventually makes the suspension appear lumpy or creamy, loses flui...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01N25/04A01P1/00A01P3/00
CPCA01N25/04A01N47/24
Inventor 于国权孙霞林陈素云丁华平
Owner 江苏长青生物科技有限公司
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