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Bactericidal composition containing epoxiconazole and kresoxim-methyl and preparation method thereof

A technology of econazole and kresoxim-methyl, which is applied in the field of bactericidal composition of econazole and kresoxim-methyl and its preparation, and can solve the problems of inconvenient continuous production, foaming of water-dispersible granules, and disintegration of suspension rate Not very good, high manufacturing cost and other problems, to achieve the effect of easy promotion and application, low cost and convenient operation

Active Publication Date: 2014-05-14
QINGDAO RAINBOW CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above two patents also disclose that the combination of kresoxim-methyl and epoxiconazole can be prepared into water-dispersible granules, but the water-dispersible granules disclosed in the above two patents have no foamability, suspension rate, and disintegration. Very good, and the fluidized bed granulation method and the extrusion granulation method are respectively used for granulation, which is not convenient for continuous production, and the manufacturing cost is relatively high

Method used

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  • Bactericidal composition containing epoxiconazole and kresoxim-methyl and preparation method thereof
  • Bactericidal composition containing epoxiconazole and kresoxim-methyl and preparation method thereof
  • Bactericidal composition containing epoxiconazole and kresoxim-methyl and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Example 1 66% Epoxiconazole·Kysstrobin Water Dispersible Granules

[0038] Epoxiconazole 6%, Kresoxim-methyl 60%, polyoxyethylene-polyoxypropylene block copolymer 2%, NNO (sodium methylene bis-tetrasulfonate) 4%, ethylene oxide-propylene oxide block Copolymer 2%, a-sulfo fatty acid methyl ester 1%, a-olefin sulfonate sodium 1%, fatty amide N-methyl taurine sodium salt 1%, potassium chloride 4.16%, diammonium hydrogen phosphate 7.37% , ammonium nitrate 4.47%, ferrous sulfate 0.03%, talcum powder to make up 100%, after the mixture is fully mixed, carry out ultra-fine airflow pulverization to obtain a 700-mesh fine powder, and then knead the obtained fine powder with an appropriate amount of water in a kneader , granulated by a rotary disc granulator, and dried in a fluidized bed at 50°C to obtain 66% epoxiconazole·Kysstrobin water-dispersible granules.

Embodiment 2

[0039] Example 2 30.4% Epoxiconazole·Kysstrobin Water Dispersible Granules

[0040] Epoxiconazole 3.2%, Kresoxim-methyl 27.2%, polyoxyethylene-polyoxypropylene block copolymer 1.5%, NNO (sodium methylene bis-sulfonate) 3%, ethylene oxide-propylene oxide block Copolymer 1.5%, a-sulfo fatty acid methyl ester 1.34%, a-olefin sulfonate sodium 1.34%, fatty amide N-methyl taurine sodium salt 1.34%, potassium chloride 1.56%, diammonium hydrogen phosphate 2.76% , ammonium nitrate 1.68%, ferrous sulfate 0.03%, talcum powder to make up 100%, after the mixture is fully mixed, carry out ultra-fine airflow pulverization to obtain 750 mesh fine powder, and then add appropriate amount of water to knead the obtained fine powder in a kneader , granulated by a rotary disc granulator, and dried in a fluidized bed at 40°C to obtain 30.4% epoxiconazole·Kysstrobin water-dispersible granules.

Embodiment 3

[0041] Example 3 68% Epoxiconazole·Kysstrobin Water Dispersible Granules

[0042] Take epoxiconazole 7.2%, kresoxim-methyl 60.8%, polyoxyethylene-polyoxypropylene block copolymer 1.5%, NNO (sodium methylenebissulfonate) 3%, ethylene oxide-propylene oxide block copolymer Segment copolymer 1.5%, a-sulfo fatty acid methyl ester 1.34%, a-olefin sulfonate sodium 1.34%, fatty amide N-methyl taurine sodium salt 1.34%, potassium chloride 1.56%, diammonium hydrogen phosphate 2.76 %, ammonium nitrate 1.68%, ferrous sulfate 0.03%, talcum powder makes up 100%, according to the method for embodiment 2, make 68% epoxiconazole kysstrobin water-dispersible granules.

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Abstract

The invention discloses bactericidal composition containing epoxiconazole and kresoxim-methyl and a preparation method thereof. Effective components include epoxiconazole and kresoxim-methyl. Weight ratio of the epoxiconazole to the kresoxim-methyl is 1:8.5-28. The invention further discloses a preparation method of the bactericidal composition. The preparation method of the bactericidal composition is simple, convenient to operate, low in energy consumption and environment-friendly, continuous production can be achieved, and the obtained composition is excellent in performances of dispersibility, foamability, disintegration, suspension rate and the like, high in efficacy, highly effective in sterilization and convenient to popularize and apply.

Description

technical field [0001] The invention relates to a fungicidal composition of epoxiconazole and kresoxim-methyl and a preparation method thereof, belonging to the technical field of pesticides. Background technique [0002] Both econazole and kresoxim-methyl can be used to control fungal diseases on fruit trees, vegetables, flowers and cereals. However, with the increase of the application period, the resistance of fungal diseases to single agents increases year by year, and the dosage needs to be increased. The bactericidal effect can only be achieved with the number of times of medication, which not only increases the cost, but also increases the environmental pressure. The above problems are solved by compounding epoxiconazole and kresoxim-methyl in a certain proportion, which is of great significance for practical application. [0003] Both patent CN101416629A and patent CN101536690A disclose a fungicide composition containing kysstrobin and epoxiconazole. The dosage is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01N37/50A01N25/14A01P3/00C05G3/00
Inventor 孙国庆侯永生吴勇李志清刘杰
Owner QINGDAO RAINBOW CHEM CO LTD
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