Soluble concentrate containing diquat dichloride and preparation method of soluble concentrate

A diquat and soluble technology, applied in the field of pesticides, can solve the problems of differences in physical and chemical properties such as solubility and density, and achieve the effects of improving adhesion, wetting and permeability, improving herbicidal activity, and good viscosity

Inactive Publication Date: 2018-08-03
NANJING REDSUN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the herbicidally active ingredients are both diquat cations, diquat dichloride and diquat dibromide are two different compounds after all, and there are large differences in physical and chemical properties such as solubility and density
The preparations currently on the market are diquat aqueous or soluble preparations, and there are no preparations containing diquat dichloride

Method used

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  • Soluble concentrate containing diquat dichloride and preparation method of soluble concentrate
  • Soluble concentrate containing diquat dichloride and preparation method of soluble concentrate
  • Soluble concentrate containing diquat dichloride and preparation method of soluble concentrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Table 1

[0032] component name

[0033] The dynamic viscosity (25°C, measured by rotational viscometer) of the soluble agent is 300mPas, and it is still stable after cold storage at 0°C for 7 days and hot storage at 54°C for 14 days, and the dilution stability of the soluble agent is qualified.

comparative example 1

[0034] Comparative case 1, using the conventional diquat dibromide salt solution or soluble agent on the market to prepare 5% diquat dichloride soluble solution, the formula is 5% diquat dichloride, fatty alcohol poly Sodium oxyethylene ether sulfate 5%, cocamidopropyl betaine 10%, alkyl glycoside 5%, emetic 0.013%, warning color 0.02%, odorant 0.2%, ammonia water (pH adjustment 4-7), Water top up. The prepared 5% diquat dichloride salt solution has no viscosity, and the additives will precipitate when stored at 0°C, and the dilution stability is unqualified, and the formula is not compatible.

Embodiment 2

[0036] Table 2

[0037]

[0038]

[0039] The dynamic viscosity (25°C, measured by rotational viscometer) of the soluble agent is 330mPas, and it is still stable after cold storage at 0°C for 7 days and hot storage at 54°C for 14 days, and the dilution stability of the soluble agent is qualified.

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PUM

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Abstract

The invention belongs to the technical field of pesticides and relates to a soluble concentrate containing diquat dichloride and a preparation method of the soluble concentrate. The soluble concentrate is prepared from the following components in percentage by mass: 0.5 to 45 percent of the diquat dichloride, 5 to 20 percent of surfactant and safe auxiliary components such as an emetic (triazole pyrimidone), warning coloration (brilliant blue) and a bitter agent (pyridine) and the balance of water. The soluble concentrate containing diquat dichloride, disclosed by the invention, has the advantages of high concentration of diquat dichloride, better viscosity, capabilities of obviously improving the adhesion and wetting permeability of liquid medicine and improving herbicidal activity and high safety to users and environment.

Description

technical field [0001] The invention relates to the technical field of pesticides, and relates to a soluble agent containing diquat dichloride and a preparation method thereof. Background technique [0002] Diquat, a quick-acting contact-killing bipyridine herbicide, is currently one of the most widely used herbicide products in the world. Its global sales and usage are second only to glyphosate and paraquat, ranking first. The third largest total herbicide product, at the same time, Diquat is the only agricultural withering desiccant that can be used in farming. [0003] At present, the diquat dibromide produced, sold and used at home and abroad is diquat dibromide. Due to the high price of bromine, the production cost of diquat dibromide is relatively high, which seriously affects its promotion and use. Therefore, diquat dichloride, which is more cost-effective, has attracted more and more attention, and a key breakthrough has been made in compound synthesis technology an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N25/04A01P13/00
CPCA01N43/90A01N25/04
Inventor 郭崇友邢刚杨琴郭祥蕊洪鹏
Owner NANJING REDSUN
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