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Micellar emulsion prepared by mixing Kresoxim and badistan, and preparation method

A technology of carbendazim and pyraclostrobin, which is applied in the field of mixed microemulsion of pyraclostrobin and carbendazim and its preparation, and achieves the effects of simple preparation process, low product cost, and safe production and use

Inactive Publication Date: 2008-10-22
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention discloses a pesticide microemulsion prepared by mixing kresoxim-methyl and carbendazim as bactericidal active substances. The preparation can improve the efficacy and expand the bactericidal spectrum, and is especially effective against wheat powdery mildew and cucumber scab. effect, and no relevant technical reports have been seen so far

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: Weigh 3.0kg of kresoxim-methyl, 39.5kg of carbendazim, and then mix it with polyoxyethylene glycol 3.0kg, dioctyl sulfosuccinate sodium salt 3.5kg, and isoamyl alcohol 3.0kg in a high-speed shear After stirring and mixing evenly in the cutting machine, finally add 48.0kg of deionized water, stir and mix evenly, let stand for 5 hours, heat to 43°C, and after fully stirring, the pesticide microemulsion can be prepared. Using 3600 times of the preparation for field efficacy test, the control effects on wheat powdery mildew on the 6th day and 12th day after treatment were 97.7%, 81.5%, respectively, and the control effects on cucumber scab on the 7th day and 14th day after treatment The effects were 95.2% and 88.0%, respectively.

Embodiment 2

[0022] Embodiment 2: Weigh 3.5kg of kresoxim-methyl, 40.0kg of carbendazim, and then put 3.5kg of benzylphenol polyoxyethylene ether, 3.0kg of kerosene, 1.0kg of isoamyl alcohol, and 2.0kg of cyclohexanone in a high-speed shearing machine After stirring and mixing evenly in medium, finally add 47.0kg of deionized water, stir and mix evenly, let stand for 6 hours, heat to 44°C, after fully stirring, the pesticide microemulsion can be made. Using 3600 times liquid of this preparation to carry out field drug efficacy test, the control effects on wheat powdery mildew on the 6th day and 12th day after treatment were 96.3%, 82.2%, respectively, and the control effects on cucumber scab on the 7th day and 14th day after treatment The effects were 97.2% and 88.1%, respectively.

Embodiment 3

[0023] Embodiment 3: Weigh 45.0kg of kresoxim-methyl, 0.3kg of carbendazim, and then mix with polyoxyethylene glycol 3.0kg, phenethylphenol polyoxyethylene ether 2.5kg, nonylphenol polyoxyethylene ether 2.0kg, Azone 3.0kg, isoamyl alcohol 3.0kg, ethyl acetate 3.0kg, and n-butanol 3.0kg were stirred and mixed evenly in a high-speed shearing machine, and finally 35.2kg of deionized water was added, stirred and mixed evenly, and left to stand for 6 Hours, heated to 52 ° C, fully stirred, can be made into pesticide microemulsion. Using 4000 times liquid of this preparation to carry out the field efficacy test, the control effects on wheat powdery mildew on the 6th day and 12th day after treatment were 93.5%, 92.7%, respectively, and the control effects on cucumber scab on the 7th day and 14th day after treatment The effects were 94.1% and 84.4%, respectively.

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Abstract

A microemulsion of the mixture of BAS 490F and carbendazim is proportionally prepared from BAS 490F, carbendazim, emulsifier, penetrant, cosolvent, and deionized water through proportional mixing, stirring, laying aside for 5-13 hr, heating to 43-53 deg.C and stirring.

Description

technical field [0001] The invention relates to a krysstrobin-type pesticide mixing technology, in particular to a krysstrobin-carbendazim mixed microemulsion and a preparation method thereof. Background technique [0002] In recent years, developed countries such as the United Kingdom and the United States have increasingly restricted the use of organic solvents in pesticide preparations, and organic solvents such as xylene and toluene have been banned as solvents for pesticides. This is a challenge for emulsifiable cream formulations. The wettable powder and powder will bring dust pollution, which will promote the development of pesticides along the direction of high efficiency (super efficiency), low toxicity, safety, biological rationality and good environmental compatibility. While strengthening the research and development of new pesticides, people pay more attention to the research and development of pesticide formulations. Among them, the new formulations of pestici...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/18A01N25/30A01P3/00A01N37/50
Inventor 何道航胡艾希周立新
Owner SOUTH CHINA UNIV OF TECH
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