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Synergistic dinotefuran suspending agent and preparation method thereof

A technology of dinotefuran and suspending agent, which is applied in the field of dinotefuran synergistic suspending agent and its preparation, which can solve the problems of easy reverse biochemical reaction and difficulty in forming a stable suspension system, and achieve good permeability and excellent long-term storage Stability and broad insecticidal spectrum

Inactive Publication Date: 2019-01-18
JIXI NONGHUA BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a compatibility problem between dinotefuran and the second active component in the suspending agent, and it is easy to react biochemically with each other, making it difficult to form a stable suspension system

Method used

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  • Synergistic dinotefuran suspending agent and preparation method thereof
  • Synergistic dinotefuran suspending agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The synergistic suspending agent of dinotefuran in this embodiment is prepared from the following raw materials in mass percentage: dinotefuran 40%, wetting and dispersing agent 5%, synergist 3%, thickener 1%, stabilizer 0.5% , antifreeze 5%, defoamer 0.5%, and the balance is deionized water.

[0028] Wherein, the wetting and dispersing agent is composed of β-naphthalenesulfonate sodium formaldehyde condensate and Tersperse2210 in a mass ratio of 1:1.

[0029] Wherein, the synergist is silicone BH-100.

[0030] Wherein, the thickener is composed of polyvinyl acetate and magnesium aluminum silicate in a mass ratio of 1:1.

[0031] Wherein, the stabilizer is selected from triphenyl phosphite.

[0032] Wherein, the antifreezing agent is selected from ethylene glycol.

[0033] Wherein, the defoamer is selected from polyether.

[0034] And the preparation method of above-mentioned dinotefuran synergistic suspending agent, comprises the following steps:

[0035] (1) Add ...

Embodiment 2

[0040] The synergistic suspending agent of dinotefuran in this embodiment is prepared from the following raw materials in mass percentage: dinotefuran 40%, wetting and dispersing agent 5%, synergist 3%, thickener 1%, stabilizer 0.5% , antifreeze 5%, defoamer 0.5%, and the balance is deionized water.

[0041] Wherein, the wetting and dispersing agent is a mixture of dinaphthalene sulfonate polycondensate and polymer polycarboxylate dispersant SP-2800 in a mass ratio of 3:1.

[0042] Wherein, the synergist is a mixture of AEQ-5 and FT-1010 in a mass ratio of 3:1.

[0043] Wherein, the thickener is a mixture of xanthan gum and polyvinyl alcohol in a mass ratio of 1:1.

[0044] Wherein, the stabilizer is N-soybean oil trimethylene diamine.

[0045] Wherein, the antifreezing agent is propylene glycol.

[0046] Wherein, the defoamer is selected from polyether.

[0047] And the preparation method of above-mentioned dinotefuran synergistic suspending agent, comprises the following...

Embodiment 3

[0053] The synergistic suspending agent of dinotefuran in this embodiment is prepared from the following raw materials in mass percentage: dinotefuran 40%, wetting and dispersing agent 5%, synergist 3%, thickener 1%, stabilizer 0.5% , antifreeze 5%, defoamer 0.5%, and the balance is deionized water.

[0054] Wherein, the wetting and dispersing agent is Tersperse2210.

[0055] Wherein, the synergist is sodium di-sec-octyl maleate.

[0056] Wherein, the thickener is selected from the mixture of polyvinyl acetate and xanthan gum in a mass ratio of 1:1.

[0057] Wherein, the stabilizer is butyl glycidyl ether.

[0058] Wherein, the antifreezing agent is glycerol.

[0059] Wherein, the defoamer is butyl phosphate.

[0060] And the preparation method of above-mentioned dinotefuran synergistic suspending agent, comprises the following steps:

[0061] (1) Add 52% deionized water, wetting and dispersing agent and antifreeze into the reaction vessel, stir and mix to obtain a mixed ...

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Abstract

The invention relates to the technical field of pesticide preparations and specifically relates to a synergistic dinotefuran suspending agent and a preparation method thereof. The synergistic dinotefuran suspending agent is prepared from the following raw materials in percentage by mass: 35%-50% of dinotefuran, 3%-10% of wetting dispersant, 2%-5% of synergist, 0.05%-2% of thickening agent, 0-1% ofstabilizer, 2%-6% of anti-freezing agent, 0.1%-1% of defoaming agent and the balance of deionized water. The suspending agent disclosed by the invention is good in stability, strong in persistent effect, relatively low in surface tension, relatively small in contact angle, good in permeability, strong in rainwash resistance and strong in insecticidal effect.

Description

technical field [0001] The invention relates to the technical field of pesticide preparations, in particular to a dinotefuran synergistic suspension and a preparation method thereof. Background technique [0002] Dinotefuran is a third-generation neonicotinoid insecticide developed by Mitsui Chemicals. The agent has a wide insecticidal spectrum, excellent systemic penetration, and shows high insecticidal activity at a very low dose. The drug has a wide insecticidal spectrum and can prevent various pests such as Hemiptera, Lepidoptera, Diptera, Orthoptera, Hymenoptera, and Beetles. The agent is very safe to mammals, birds and aquatic organisms, and has no harm to crops. It can be used for many crops such as rice, fruit trees and vegetables. [0003] However, due to its good environmental compatibility, high drug efficacy, low cost and safe processing and use, pesticide suspension concentrates stand out among water-based formulations and have great development potential. Pe...

Claims

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Application Information

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IPC IPC(8): A01N51/00A01N25/04A01P7/04
CPCA01N25/04A01N51/00
Inventor 章成辉林梅根耿存瑞陈爱华
Owner JIXI NONGHUA BIOTECH
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