Preparation method of solvent-free difenoconazole-propiconazole suspoemulsion
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A technology of difenoconazole and propiconazole, which is applied in botany equipment and methods, biocides, disinfectants, etc., can solve the problems such as the difficulty of suspending agent grinding, and achieve environmental protection, reduce packaging, and high suspension rate Effect
Active Publication Date: 2015-12-09
天津市华宇农药有限公司
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[0005] The present invention provides a solvent-free difenoconazole and difenoconazole to solve the technical problem that harmful solvents need to be added into aqueous emulsions made from difenoconazole and propiconazole, or that it is difficult to grind them into suspensions. The preparation method of azole propiconazole suspoemulsion
Method used
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Embodiment 1
[0030] The preparation method of the solvent-free difenoconazole propiconazole suspoemulsion of this embodiment comprises the following steps:
[0031] 1. Heat 150g of propiconazole to 61°C, then add 40g of emulsifier, stir evenly, then add 742g of water to shear to obtain propiconazole in water emulsion, and keep the prepared propiconazole in water emulsion at 61°C;
[0032] 2. Heat 50g of difenoconazole to 85°C and melt into a liquid;
[0033] 3. Add 15g dispersant, 2g defoamer and difenoconazole melted into liquid to the propiconazole aqueous emulsion prepared in step 1, continue to shear for 15min, and cool rapidly to normal temperature to obtain difenoconazole Cycloconazole propiconazole suspoemulsion.
Embodiment 2
[0035] The preparation method of the solvent-free difenoconazole propiconazole suspoemulsion of this embodiment comprises the following steps:
[0036] 1. Heat 10g of propiconazole to 65°C, then add 20g of emulsifier, stir evenly, then add 728g of water to shear to obtain propiconazole water emulsion, and keep the prepared propiconazole water emulsion at 65°C;
[0037] 2. Heat 150g of difenoconazole to 82.5°C and melt into a liquid;
[0038] 3. Add 40g dispersant, 50g defoamer and difenoconazole melted into liquid to the propiconazole aqueous emulsion prepared in step 1, continue to cut for 16min, and cool rapidly to normal temperature to obtain difenoconazole Cycloconazole propiconazole suspoemulsion.
Embodiment 3
[0040] The preparation method of the solvent-free difenoconazole propiconazole suspoemulsion of this embodiment comprises the following steps:
[0041] 1. Heat 180g of propiconazole to 60°C, then add 50g of emulsifier, stir evenly, then add 736g of water to shear to obtain propiconazole water emulsion, and keep the prepared propiconazole water emulsion at 60°C;
[0042] 2. Heat 10g of difenoconazole to 81°C and melt into a liquid;
[0043] 3. Add 20g dispersant, 1g defoamer and difenoconazole melted into liquid to the propiconazole aqueous emulsion prepared in step 1, continue shearing for 17.5min, and rapidly cool to normal temperature to obtain phenyl ether Meconazole propiconazole suspoemulsion.
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Abstract
The invention discloses a solvent-free difenoconazole.propiconazole suspoemulsion as well as a preparation method and an application of the solvent-free difenoconazole.propiconazole suspoemulsion, relates to a bactericide suspoemulsion containing a heterocyclic compound as well as a preparation method and an application of the bactericide suspoemulsion containing the heterocyclic compound and aims to provide a solvent-free difenoconazole.propiconazole suspoemulsion which is simple, environment-friendly, stable in preparation, high in efficiency and low in toxicity as well as a preparation method and an application of the solvent-free difenoconazole.propiconazole suspoemulsion. The solvent-free difenoconazole.propiconazole suspoemulsion is composed of difenoconazole, propiconazole, am emulsifier, a dispersing agent, a defoaming agent and water. The preparation method disclosed by the invention comprises the following steps of preparing a propiconazole emulsion in water, dissolving difenoconazole; and preparing a difenoconazole.propiconazole suspoemulsion. The solvent-free difenoconazole.propiconazole suspoemulsion disclosed by the invention does not contain any organic solvent, water is used as a medium, so that the environment pollution is reduced, the cost is reduced, and the solvent-free difenoconazole.propiconazole suspoemulsion is safe to operators and users; and the preparation method disclosed by the invention is simple and convenient to operate, safe, environment-friendly and low in cost. The solvent-free difenoconazole.propiconazole suspoemulsion is used in the fields of prevention and control of plant diseases caused by bacteria or fungi.
Description
technical field [0001] The invention relates to a preparation method of a bactericide suspoemulsion containing a heterocyclic compound, in particular to a preparation method of a solvent-free difenoconazole-propiconazole suspoemulsion. Background technique [0002] Difenoconazole is currently the most cutting-edge pesticide and fungicide in the world; it is a broad-spectrum and safe pesticide and fungicide across the century, with three functions of prevention, treatment and eradication; it is effective against powdery mildew, rust and leaf spot of various crops Scab, anthracnose and rice sheath blight have special effects, such as: cucumber scab, spot disease, strawberry early blight, powdery mildew, melon blight, anthracnose, powdery mildew, grape black pox, Anthracnose, powdery mildew, white rot, apple ring spot, spotted leaf spot, rice blast, sheath blight, flower leaf spot, etc.; the mechanism of action is excellent, effectively avoiding the resistance that has been dev...
Claims
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