Imidacloprid suspension

A technology of suspending agent and imidacloprid, which is applied in the direction of insecticides, nematocides, and acaricides, can solve the problems of difficulty in ensuring particle size and unstable drug efficacy, and achieve improved harvest yield and good plant tolerance. effects of high environmental compatibility

Active Publication Date: 2011-10-05
德强生物股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most important factor affecting the particle size is the selection of auxiliary agents such as surfactants. If the auxiliary agent is not selected well, it is difficult to ensure the particle size, and the drug effect is unstable.

Method used

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  • Imidacloprid suspension

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Imidacloprid 80g, sodium lignosulfonate 3g, dispersant NNO 2g, ethylene glycol 4g, xanthan gum 0.2g, silicone oil 0.3g, deionized water 10.5g. After mixing the components evenly, mill them in a ball mill for 2.5 hours, so that the particle size is all below 5 μm.

Embodiment 2

[0030] Imidacloprid 50g, sodium lignosulfonate 5g, dispersant NNO 3g, propylene glycol 3g, xanthan gum 0.5g, silicone 1g, deionized water 37.5g. After mixing the components evenly, mill them in a ball mill for 3 hours, so that the particle size is all below 5 μm.

Embodiment 3

[0032] Imidacloprid 60g, polyalkoxy triglyceride 20g, ethylene glycol 5g, hydroxymethylcellulose 1g, silicone oil 2g, deionized water 55g. After mixing the components evenly, mill them in a ball mill for 3 hours, so that the particle size is all below 5 μm.

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PUM

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Abstract

The invention relates to an imidacloprid suspension, which is prepared from 1 to 80 weight parts of imidacloprid, 3 to 10 weight parts of dispersant or 5 to 30 parts of penetrating agent, 2 to 6 weight parts of antifreeze, 0.1 to 1.5 weight parts of thickener, 0.1 to 2.8 weight parts of defoaming agent and 5 to 90 weight parts of deionized water. The suspension has high suspension rate, more stable hot storage performance; and in field aphid prevention and control experiment, the dose of imidacloprid is low, and the pest killing effect is remarkable.

Description

technical field [0001] The invention relates to a pesticide preparation, in particular to an imidacloprid suspension. Background technique [0002] Imidacloprid is a nitromethylene systemic insecticide. It is the action body of the nicotinic acid acetylcholinesterase receptor. It interferes with the motor nervous system of pests and causes the chemical signal transmission to fail. There is no problem of cross-resistance. Pests with mouthparts such as aphids, whiteflies, etc., often add additives such as surfactants during use, but improper addition of additives will affect or even reduce the efficacy of imidacloprid. [0003] Water-based is the main direction for the development of pesticide dosage forms, and suspension concentrate is one of the important dosage forms. Suspended concentrate is a thermodynamically unstable system. As time goes by, it will eventually inevitably change its state, resulting in stratification, structure, etc. Bottom and other quality issues. In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/04A01N51/00A01P7/02A01P7/04A01P5/00A01P9/00
Inventor 杨强孙新宇王敏刘伟徐艳吉
Owner 德强生物股份有限公司
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