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Soluble gel agent containing diquat dichloride and preparation method of soluble gel agent

A technology of diquat and soluble colloid, applied in the field of pesticides, can solve problems such as differences in physical and chemical properties, achieve flexible and convenient use, excellent water solubility and instant solubility, and reduce safety risks

Inactive Publication Date: 2018-08-24
NANJING REDSUN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Patent 201110281641.5 mentions a diquat non-aqueous dosage form—water-soluble ointment, but its main component is diquat dibromide salt. Although they are all salts of diquat, diquat dichloride salt Diquat dibromide and diquat are two different compounds after all, and there are big differences in physical and chemical properties
At present, there are no related preparations of diquat dichloride on the market, especially no new dosage forms such as diquat dichloride soluble gel

Method used

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  • Soluble gel agent containing diquat dichloride and preparation method of soluble gel agent
  • Soluble gel agent containing diquat dichloride and preparation method of soluble gel agent
  • Soluble gel agent containing diquat dichloride and preparation method of soluble gel agent

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Experimental program
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Effect test

Embodiment 1

[0031] Table 1

[0032]

[0033]

[0034] The viscosity of the soluble colloid (25°C, measured by a rotational viscometer) is 25000mPa.s, and it is still stable after 7 days of cold storage at 0°C and 14 days of heat storage at 54°C. It was completely dissolved within 45 seconds (at 25°C, the time required for the complete dissolution of the preparation in 100 times water was measured).

comparative example 1

[0035] In comparative case 1, after adding 0.5-5% of alkyl glycoside, a commonly used adjuvant for pesticides, in Example 1, the viscosity of the preparation decreased significantly, and the colloidal properties of the preparation disappeared, and no longer had the properties of soluble colloids.

Embodiment 2

[0037] Table 2

[0038] component name

[0039] The viscosity of the soluble colloid (25°C, measured by a rotational viscometer) is 43000mPas. It is still stable after 7 days of cold storage at 0°C and 14 days of heat storage at 54°C. Dissolve completely within seconds (at 25°C, measure the time required for complete dissolution of the preparation in 100 times water).

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Abstract

The invention belongs to the technical field of pesticides, and relates to a soluble gel agent containing diquat dichloride and a preparation method of the soluble gel agent. The soluble gel agent contains 1-40% by mass of the diquat dichloride, 10-20% by mass of a surfactant, safe auxiliary components such as an emetic (2-amino-6-methyl-4-propyl-[1,2,4]triazolo[1,5-a]pyrimidin-5-one), a warning color (bright blue) and an odor agent (pyridine), and the balance of water. According to the method provided by the invention, the diquat dichloride is processed into the soluble gel agent, so that themethod can effectively reduce splashing of a diquat preparation to burn skins of human or animals, and significantly reduce a safety risk of diquat because the soluble gel agent has low high-grade fluidity and a low mistook eating or impulsive swallowing quantity.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a soluble colloid containing diquat dichloride and a preparation method thereof. Background technique [0002] Diquat, a quick-acting contact-killing bipyridine herbicide, is one of the most widely used herbicides in the world. Its global sales and usage are second only to glyphosate and paraquat, ranking No. The third largest total herbicide. [0003] Paraquat has been banned or restricted in the European Union and other places due to its toxicity. As a herbicide product with the same mechanism and mode of action as paraquat, diquat has been rapidly promoted and used, gradually filling the market vacated by paraquat . [0004] Although the toxicity of diquat is far lower than that of paraquat, there is no effective antidote for diquat. Therefore, once the poisoning of diquat is accidentally swallowed or swallowed intentionally, without timely and correct rescue treatment, the...

Claims

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Application Information

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IPC IPC(8): A01N25/04A01N25/30A01N43/90A01P13/00
CPCA01N25/04A01N25/30A01N43/90
Inventor 郭崇友陈叶青万维肖白杰张宝俊
Owner NANJING REDSUN
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