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Pyraclostrobin-difenoconazole microcapsule suspension agent and preparation method thereof

A technology of microcapsule suspension and difenoconazole, which is applied in the field of fungicides, can solve the problems of insufficient quick-acting, long-lasting effect, and frequent application of pesticides, etc., so as to reduce the number and frequency of application, Inhibits volatility, no toxic effects

Inactive Publication Date: 2018-03-13
SHANGHAI SHENGNONG PESTICIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in practical applications, there are some defects in the single application or combined use of difenoconazole and pyraclostrobin, for example, the quick-acting performance of pesticides is not good enough, the overall usage is too large, and the duration of effect is not long enough , technical problems such as excessive spraying times

Method used

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  • Pyraclostrobin-difenoconazole microcapsule suspension agent and preparation method thereof
  • Pyraclostrobin-difenoconazole microcapsule suspension agent and preparation method thereof
  • Pyraclostrobin-difenoconazole microcapsule suspension agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] use as figure 1 The process flow shown prepares pyraclostrobin-difenoconazole microcapsule suspension, wherein the mass percent of each component is:

[0030]

[0031]

[0032] Among them, the capsule wall material is Arabic gelatin, the capsule core solvent is turpentine-based vegetable oil, the emulsifier is plant-derived cardanol polyoxyethylene-polyoxypropylene block polyether, the thickener is xanthan gum, and the dispersant is naphthalenesulfonate salt, antifreeze is glycerol, preservative is isothiazolinone, pH regulator is glacial acetic acid and triethanolamine, curing agent is formaldehyde solution.

[0033] Weigh 10g of pyraclostrobin and 10g of turpentine-based vegetable oil, add them into a container, heat at a controlled temperature, and stir thoroughly to completely dissolve pyraclostrobin; then add 3g of plant-source cardanol polyoxyethylene-polyoxypropylene block Type polyether, 6g arabic gelatin and 0.5g formaldehyde aqueous solution, stir to di...

Embodiment 2

[0035] use as figure 1 The process flow shown prepares pyraclostrobin-difenoconazole microcapsule suspension, wherein the mass percent of each component is:

[0036]

[0037]

[0038] Among them, the capsule wall material is isocyanate, the capsule core solvent is turpentine-based vegetable oil, the emulsifier is plant-derived cardanol polyoxyethylene-polyoxypropylene block polyether, the thickener is xanthan gum, and the dispersant is alkylnaphthalene Sulfonate, glycerol as antifreeze, sodium benzoate as preservative, glacial acetic acid as pH regulator, and formaldehyde solution as curing agent.

[0039] Weigh 15g of pyraclostrobin and 15g of turpentine-based vegetable oil, add them to the container, heat under temperature control, and stir thoroughly to completely dissolve pyraclostrobin; then add 4g of plant-source cardanol polyoxyethylene-polyoxypropylene block Type polyether, 8g isocyanate and 0.6g formaldehyde aqueous solution, stir to dissolve, and use glacial ace...

Embodiment 3

[0041] use as figure 1 The process flow shown prepares pyraclostrobin-difenoconazole microcapsule suspension, wherein the mass percent of each component is:

[0042]

[0043]

[0044] Among them, the capsule wall material is melamine resin, the capsule core solvent is turpentine-based vegetable oil, the emulsifier is plant-derived cardanol polyoxyethylene-polyoxypropylene block polyether, the thickener is xanthan gum, and the dispersant is plant The source is cardanol polyoxyethylene ether phosphate, the antifreeze is glycerol, the preservative is sodium benzoate, the pH regulator is glacial acetic acid, and the curing agent is formaldehyde solution.

[0045] Weigh 5g of pyraclostrobin and 10g of turpentine-based vegetable oil, add them into the container, heat under temperature control, and stir thoroughly to completely dissolve pyraclostrobin; then add 3g of plant-derived cardanol polyoxyethylene-polyoxypropylene block Type polyether, 5g of melamine resin and 1g of fo...

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Abstract

The invention provides a pyraclostrobin-difenoconazole microcapsule suspension agent and a preparation method thereof, wherein the pyraclostrobin-difenoconazole microcapsule suspension agent comprises, by mass, 1-20% of pyraclostrobin, 1-40% of difenoconazole, 6-10% of a microcapsule wall material, 15-20% of a microcapsule core solvent, 1-5% of an emulsifier, 0.1-1% of a thickener, 3-5% of a dispersant, 1-5% of an anti-freezing agent, 0.1-0.5% of a preservative, 1-3% of a pH value regulator, 0.1-1% of a curing agent, and the balance of water. According to the present invention, by successfullycompounding pyraclostrobin and difenoconazole, the synergistic effect is provided, the prevention and control effect is significantly improved, the pesticide consumption is reduced, and the environmental pollution and the pesticide residue are effectively reduced; and the pyraclostrobin-difenoconazole microcapsule suspension agent has advantages of good quick-acting property, long lasting time, environmental protection and good market potential.

Description

technical field [0001] The invention belongs to the field of fungicides, and in particular relates to a pyraclostrobin-difenoconazole microcapsule suspension and a preparation method thereof. Background technique [0002] As we all know, pests and diseases have great harm to the growth of crops, and chemical control plays a major role in plant pests and diseases. In recent years, the average annual use of pesticides in our country is too large, most of which are chemical pesticides, resulting in increasingly severe environmental pollution and food safety problems, endangering human health. It can be seen that the development of new pesticides with low toxicity, high efficiency and environmental friendliness is a real goal. The main outlet for the safety of agricultural products. [0003] Difenoconazole is a systemic fungicide with protective and therapeutic effects. It is relatively safe among the triazole fungicides, and has a wide bactericidal spectrum. Genus, Phoma, Se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01N43/653A01N25/04A01N25/28A01P1/00A01P3/00
CPCA01N25/04A01N25/28A01N43/653A01N47/24A01N2300/00
Inventor 苑志军毕强韩文山温林峰成庆勇徐海燕
Owner SHANGHAI SHENGNONG PESTICIDE
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