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Thifluzamide oil suspension and use and preparation method thereof

A technology of thifluzamide oil and thifluzamide, which is applied in the field of pesticides, can solve the problems of unhealthy operators, heavy dust pollution, etc., and achieve the effects of enhancing competitiveness, increasing utilization rate, and increasing suspension rate

Inactive Publication Date: 2013-04-03
ANHUI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing thiofluxamides are wettable powders, but this kind of product produces a lot of dust during processing and use, which pollutes the surrounding environment and is not good for the health of operators.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Weigh 200g of thifuramide technical substance, 8g of lignosulfonate dispersant, 13g of thickener organic bentonite, white carbon black, magnesium aluminum silicate or a mixture of several, 15g of stabilizer epoxy soybean oil, 190g The emulsifier styrene-based polyoxyethylene ether and alcohol ether mixture, and 574g of soybean oil are mixed evenly and put into a sand mill, and sand-milled until the particle size is below 5um, and the sand-milled product is filtered out.

Embodiment 2

[0022] Weigh 200g of thifluzamide original drug, 10g of carboxylate dispersant, 16g of thickener organobentonite, white carbon black mixture, 20g of stabilizer hydroquinone, 250g of emulsifier alkylphenol polyoxyethylene ether formaldehyde condensate , 504g turpentine oil is mixed evenly and put into the sand mill, and the sand mill is below 5um until the particle diameter, and the sand milled product is filtered out.

Embodiment 3

[0024] Weigh 200g of thifluzamide technical substance, 15g of naphthalenesulfonate dispersant, 13g of thickener organic bentonite, magnesium aluminum silicate mixture, 18g of stabilizer epoxy soybean oil, 280g of emulsifier phosphite, phosphite A kind of mixture, 474g methyl oleate is put into the sand mill after mixing evenly, and the sand mill is below 5um to particle diameter, and the product that the sand mill is good is filtered out.

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PUM

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Abstract

The invention discloses a thifluzamide oil suspension and a preparation method thereof. The thifluzamide oil suspension takes thifluzamide, a solvent, a thickener, a dispersant and a PH regulator as raw materials. The preparation method of the thifluzamide oil suspension comprises the following steps: firstly, carrying out pretreatment to thifluzamide and the thickener, then stirring all the raw materials by mixing together, throwing into a sand mill to be ground to a particle size below 5 mu m, adding the PH regulator and filtering at last so as to obtain the thifluzamide oil suspension. The quality analysis results of the product show that the decomposition rate of active ingredients is less than 3%, the suspension rate is more than 90%, phenomena of precipitation, agglomeration and stratification do not exist in low-temperature storage, the stability of the thifluzamide oil suspension is qualified, and phenomena of precipitation, agglomeration and stratification are not generated in heat storage at the temperature of 54+ / -2 DEG C for 14 days. The thifluzamide oil suspension has simple formula and production process, convenience for use and low production cost and adopts domestic additives completely; an organic solvent is not used to greatly lower the environmental pressure; and the control effect for rice sheath blight, false smut, wheat sheath blight and loose smut of cereal crops is better.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a thifuramide oil suspension, its use and preparation method. Background technique [0002] Thiofuramide belongs to the broad-spectrum fungicides of thiazole amides, which has strong systemic conductivity and long-lasting effect. Thiofuramide is a succinate dehydrogenase inhibitor. Due to its fluorine content, it has strong competitiveness in biochemical processes, and it is not easy to recover once combined with substrates or enzymes. Thiofuramide is active against pathogenic fungi such as Rhizoctonia, Puccinia, Stiltia, Tilletia, Puccinia, and Sclerotinia, especially for fungi caused by Basidiomycetes. Diseases such as sheath blight and blight have special effects. In particular, Thiofuramide overcomes many negative and unsafe characteristics for crops currently used to prevent and control smut in the market, and will play a greater role in seed treatment and c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/02A01N25/04A01P3/00
Inventor 潘月敏郭敏高智谋杨梅伍万荣
Owner ANHUI AGRICULTURAL UNIVERSITY
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