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Suspension emulsion pesticide composition and preparation thereof

A pesticide composition and suspoemulsion technology, applied in the field of pesticides, can solve the problems of Ostrich ripening, crystallization, flocculation, and the quality of preparations cannot be guaranteed, and achieve the effects of inhibiting Ostrich ripening and preventing solubility.

Active Publication Date: 2022-03-29
SHENYANG SINOCHEM AGROCHEMICALS R&D CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when preparing suspoemulsions containing low-melting compounds, the use of conventional solvents will lead to unstable phenomena such as crystallization, flocculation, and Ostwald ripening, and the quality of the preparations cannot be guaranteed.
And the use of relatively expensive special solvents such as lactate solvents can solve the problem of the stability of some low-melting compound suspoemulsions, but it will greatly increase the cost of suspoemulsions, seriously restricting the large-scale production of suspoemulsions, and both The component composition cannot combine the functions of sufficient solubility and Oswald ripening inhibitor when some high-cost solvents are selected, so there is an urgent need to break through the bottleneck of low-melting compound formulations that cannot be mass-produced

Method used

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  • Suspension emulsion pesticide composition and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] By weight percentage, propiconazole 1%, n-octanol 2%, fatty alcohol polyoxyethylene ether 2%, thiram 60%, naphthalenesulfonic acid formaldehyde condensate 2%, tristyrene phenol polyoxyethylene ether phosphate 2%, polyoxyethylene polyoxypropylene block copolymer 2%, xanthan gum 0.02%, magnesium aluminum silicate 0.08%, water to make up to 100%.

Embodiment 2

[0061] By weight percentage, propiconazole 1%, isooctyl alcohol 2%, fatty alcohol polyoxyethylene ether 2%, thiram 60%, naphthalenesulfonic acid formaldehyde condensate 2%, tristyrene phenol polyoxyethylene ether phosphate 2%, polyoxyethylene polyoxypropylene block copolymer 2%, xanthan gum 0.02%, magnesium aluminum silicate 0.08%, water to make up to 100%.

Embodiment 3

[0063] By weight percentage, propiconazole 1%, cyclohexanol 2%, fatty alcohol polyoxyethylene ether 2%, thiram 60%, naphthalenesulfonic acid formaldehyde condensate 2%, tristyrene phenol polyoxyethylene ether phosphate 2%, polyoxyethylene polyoxypropylene block copolymer 2%, xanthan gum 0.02%, magnesium aluminum silicate 0.08%, water to make up to 100%.

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Abstract

The invention belongs to the technical field of pesticides, and relates to a suspoemulsion pesticide composition (containing a low melting point compound and thiram) and its preparation. The composition contains an active component and a solvent; the active component is compound A and thiram; wherein, compound A is a bactericidal compound with a melting point of less than 90°C; the solvent is at least one aliphatic alcohol or alicyclic compound that dissolves compound A alcohol. The solvent added in the composition of the present invention further develops a broader idea of ​​solvent selection in the suspoemulsion, and breaks through the bottleneck of low-melting compound compound preparations that cannot be produced on a large scale.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a suspoemulsion pesticide composition (containing low melting point compound and thiram) and its preparation. Background technique [0002] Low melting point bactericidal compounds (such as propiconazole, prochloraz, pyridoxazole, chlorpyrifos, trifloxystrobin, imazalil, pyraclostrobin, metalaxyl, metalaxyl, tebufenfen, triflurax There are many challenges in the screening of additives and the production process when preparing preparations. Due to its inherent characteristics of low melting point, the product is prone to crystallization and the suspension rate drops sharply after heat storage. , Poor stability over time and other shortcomings. [0003] Thiram is a dithiocarbamate fungicide and is a protective fungicide. It has a wide bactericidal spectrum and has a good control effect on a variety of crops such as downy mildew, blight, anthracnose, cereal smut, and seedling yel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/04A01N47/26A01N43/653A01N47/38A01N43/80A01N57/16A01N37/50A01N43/50A01N47/24A01N37/46A01N43/56A01N33/18A01N55/10A01P3/00
CPCA01N25/04A01N47/26A01N43/653A01N47/38A01N43/80A01N57/16A01N37/50A01N43/50A01N47/24A01N37/46A01N43/56A01N33/18A01N55/00
Inventor 顾玲玲丑靖宇莫迪
Owner SHENYANG SINOCHEM AGROCHEMICALS R&D CO LTD
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