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Dispersible oil suspending agent containing spirotetramat and dinotefuran

A technology of spirotetramat and dinotefuran, which is applied in the directions of insecticides, biocides, animal repellants, etc., can solve the problems of high water solubility, difficult preparation and high technical requirements of dinotefuran, and achieves resistance to rainwater erosion. , Long lasting effect, improve the effect of drug efficacy

Inactive Publication Date: 2015-08-26
SHAANXI SUNGER ROAD BIO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although dispersible oil suspension concentrate has many advantages, it requires high technical requirements and is difficult to prepare. At present, most of the pesticide products registered in the Ministry of Agriculture are herbicides for corn and wheat fields, and there is no mature technology for widely used pesticide products.
[0005] After searching, there is no bibliographical report on the compound processing of spirotetramat and dinotefuran into dispersible oil suspension concentrate in the prior art. The main problem that the prior art does not solve is: the water solubility of dinotefuran is very large, suitable for Processed into solid preparations. Currently, soluble granules or soluble powders are the main dosage forms on the market. It is very difficult to process water-based preparations such as suspension concentrates, and the suspension concentrates are very unstable.

Method used

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  • Dispersible oil suspending agent containing spirotetramat and dinotefuran
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  • Dispersible oil suspending agent containing spirotetramat and dinotefuran

Examples

Experimental program
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Effect test

Embodiment 1

[0067] Weigh 15% of spirotetramat, 15% of dinotefuran, 3% of calcium dodecylbenzenesulfonate, 5% of sodium lignosulfonate, 6% of calcium dodecylbenzenesulfonate, BY-125# 3 %, Tween-60#3%, attapulgite 1%, mineral oil to make up 100%. The above-mentioned raw materials are mixed and sand-milled with a sand mill until the particle size is less than 5 μm to prepare 30% spirotetramat-dinotefuran dispersible oil suspension concentrate.

Embodiment 2

[0069] Weigh 20% of spirotetramat, 10% of dinotefuran, 3% of phenylethylphenol polyoxyethylene polyoxypropylene ether, 5% of sodium polycarboxylate, 4% of sodium dodecylbenzenesulfonate, 700% of agricultural milk # 3%, castor oil polyoxyethylene ether 2%, fumed silica 1%, polyvinyl alcohol 1%, BHT 2%, epoxy soybean oil make up 100%. The above-mentioned raw materials are mixed and sand-milled with a sand mill until the particle size is less than 5 μm to prepare 30% spirotetramat-dinotefuran dispersible oil suspension concentrate.

Embodiment 3

[0071] Weigh 10% of spirotetramat, 20% of dinotefuran, 3% of castor oil polyoxyethylene ether, 3% of diffusing agent NNO, 6% of fatty alcohol polyoxyethylene ether, 3% of agricultural milk 2201#, fumed silica 3%, BHT2%, epichlorohydrin 2%, cottonseed oil make up 100%. The above-mentioned raw materials are mixed and sand-milled with a sand mill until the particle size is less than 5 μm to prepare 30% spirotetramat-dinotefuran dispersible oil suspension concentrate.

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Abstract

The invention discloses a formula, a preparation method and an application of a dispersible oil suspending agent containing spirotetramat and dinotefuran. The formula comprises 5-50% of spirotetramat, 5-50% of dinotefuran, 5-25% of emulsifying agent, 2-15% of dispersing agent, 1-8% of wetting agent, 1-7% of thickening agent, 1-6% of stabilizing agent and the balance of dispersion medium. The suspending agent has the characteristics of environmental protection, high crop safety, rain drop erosion resistance, long lasting period and the like, and has a good control effect on scale insects, aphis, phylloxera and trialeurodes vaporariorum.

Description

technical field [0001] The invention relates to an agricultural insecticide, specifically a dispersible oil suspension composed of the first active ingredient spirotetramat, the second active ingredient dinotefuran and auxiliary agents, belonging to the technical field of pesticide compounding. Background technique [0002] Spirotetramat, English name spirotetramat, chemical name: 4-(ethoxycarbonyloxy)-8-methoxy-3-(2,5-xylyl)-1-azaspiro[4, 5] -Decan-3-en-2-one. Spirotetramat is a tetronic acid compound and is a lipid synthesis inhibitor. With a unique action profile, it is a modern insecticide with bi-directional systemic conduction properties, moving up and down throughout the plant body. Spirotetramat has a broad insecticidal spectrum and long-lasting effect, which can provide effective control for up to 8 weeks. It can be used in a variety of crops such as cotton, soybeans, citrus trees, apple trees, pear trees, tropical fruit trees, nuts, grapes, hops, potatoes and ve...

Claims

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Application Information

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IPC IPC(8): A01N51/00A01N25/04A01P7/04A01N47/06
Inventor 刘亚强张仙郑敬敏马强冯建雄乌小瑜张崇斌
Owner SHAANXI SUNGER ROAD BIO SCI
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