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A kind of dinotefuran synergistic 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 field, can solve the problems of inability to prepare high-content dinotefuran suspending agent and the like, and achieves high efficiency of crop pests, reduced solubility and insecticidal effect. improved effect

Active Publication Date: 2016-08-17
HEBEI VEYONG BIO CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preparation process of this patent does not add a synergist, so it can only exert the general effect of the preparation. In addition, the invention does not add a retarding solvent and cannot prepare a high-content dinotefuran suspension concentrate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Add 647 grams of water and 20 grams of 5# white oil into a reactor with a heating jacket, stir well, then add 50 grams of dispersing wetting agent modified polycarboxylate, 2 grams of thickener xanthan gum, magnesium silicate 8 grams of aluminum, 50 grams of antifreeze ethylene glycol, 1 gram of antifoaming agent polyether, 1 gram of preservative sodium benzoate, 20 grams of synergist cocamidopropyl betaine and 200 grams of dinotefuran original drug are mixed evenly, Perform high-speed shearing at 12,000 rpm for 20 minutes; then perform secondary sand milling to obtain a 20% synergistic dinotefuran suspension concentrate as sample 1.

Embodiment 2

[0014] Add 532 grams of water and 30 grams of 5# white oil in a reactor with a heating jacket, stir evenly, then add 60 grams of dispersing wetting agent modified polycarboxylate, 1 gram of thickener xanthan gum, silicic acid Magnesium aluminum 5 grams, antifreeze agent ethylene glycol 40 grams, defoamer n-octanol 1 gram, preservative sodium benzoate 1 gram, synergist cocamidopropyl betaine 30 grams and dinotefuran original drug 300 grams mixed Uniform, high-speed shearing at 12,000 rpm for 30 minutes; then secondary sand milling to obtain 30% synergistic dinotefuran suspension concentrate as sample 2.

Embodiment 3

[0016] Add 307 grams of water and 50 grams of 5# white oil into a reactor with a heating jacket, stir well, then add 60 grams of dispersing wetting agent modified polycarboxylate, 0.5 grams of thickener magnesium aluminum silicate, yellow Raw glue 0.5g, antifreeze agent propylene glycol 30g, defoamer simethicone 1g, preservative sodium benzoate 1g, synergist cocamidopropyl betaine 50g and dinotefuran original drug 500g mix well , high-speed shearing at 12,000 rpm for 50 minutes; and then secondary sand milling to obtain a 50% synergistic dinotefuran suspension concentrate as sample three.

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PUM

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Abstract

The invention relates to a dinotefuran synergistic suspending agent, which is composed of the following components by weight percentage: dinotefuran 20%-50%, retarding solvent 2%-5%, dispersing wetting agent 5%-8%, Thickener 0.1%-1%, preservative 0.1%, antifreeze 3%-5%, defoamer 0.1%, synergist 2%-5%, and the rest is water. The preparation method is to premix and shear dinotefuran, solvent resistance, dispersant wetting agent, thickener, preservative, antifreeze, defoamer, synergist and water, and then carry out secondary sand milling. into products. The dinotefuran synergistic suspending agent of the present invention has low surface tension, strong drug effect, simple preparation process and simple use method, and field tests show that the dinotefuran synergistic suspending agent of the present invention has remarkable insecticidal effect.

Description

technical field [0001] The invention belongs to the technical field of pesticide production, and in particular relates 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 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] Modern pesticides are changing rapidly and are developing in the direction of green environmental protection. Suspending concentrate (SC) is one of them. Pesticide suspending concentrate is a formulation with a short history of development in pestic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N51/00A01N25/04A01N25/30A01P7/04
Inventor 焦俊超
Owner HEBEI VEYONG BIO CHEM
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