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Water dispersion granule for disinsection and disinfection

A technology for dispersing granules, killing insects and bacteria, applied in the field of pesticides, can solve the problems of good water dispersibility, poor water dispersibility, and large investment in equipment, and achieve the effects of safe production process, growth promotion function, and cost reduction

Inactive Publication Date: 2007-08-08
武汉绿世纪生物工程有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first type is made by spraying the material with a large granulation tower. The product particles are small and the investment in equipment is large, but the product has good water dispersibility.
The second type is granulation by extrusion, that is, the material is first made into a certain fineness of dry powder or slurry, extruded into strips, cut into granules, or directly extruded into small granules. The product granules are appropriate, but water dispersion poor performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Core material selection: 10% high water dispersible small particles 750kg;

[0030] The mixed emulsifier is: equal amounts of Tx-10 and calcium dodecylbenzene sulfonate, 75kg in total, and mix thoroughly;

[0031] The mixed solvent is: ethyl acetate 70% and methanol 30%, the two total 25L;

[0032] The mixed coating agent is: sodium lauryl sulfonate 20%, rare earth fertilizer powder 20%, white carbon black (325 mesh, expanded) 60%, the total of the three is 105kg, the first two components require jet mill Crush it to above 325 mesh, then mix with white carbon black for use.

[0033] Weigh 51 kg of Cnidium monnieri extract with 20% osthol content, and put them into the mixing tank successively with the mixed solvent and mixed emulsifier, start the mixer, and stir for half an hour to obtain a uniform and transparent slurry (medicine mantle material);

[0034] Put Sega Water Dispersible Granules into the granulator and start the granulator to stir. Immediately spray the medici...

Embodiment 2

[0038] Core material selection: 720kg of urea crystal;

[0039] The mixed emulsifier is: Tween 80 75% and calcium dodecyl benzene sulfonate 25%, the two total 30kg, mix thoroughly;

[0040] The mixed solvent is: cyclohexanone 40%, anhydrous ethanol 60%, the two total 50L;

[0041] The mixed coating agent is: sodium dodecylbenzene sulfonate 20%, soluble starch 30%, white carbon black 50%, the three are 45kg, and the three are mixed and crushed to 325 mesh by a jet mill for use.

[0042] Weigh 34.2 kg of raw powder with 30% osthole content, add mixed solvent, mixed emulsifier, the three are fully stirred in the mixing tank, add 100 kg of Bt16000 / mg raw powder, and mix well to obtain the drug mantle material .

[0043] Put the urea granules into the granulator and start the mixer. While stirring, use a spray device to carefully spray the drug curtain material on the surface of the urea particles. The stirring speed is 80-120 rpm. After the mixture is evenly stirred, spray the veil an...

Embodiment 3

[0046] Core material selection: 700kg of urea granules;

[0047] The mixed emulsifier is: Tween 60 80%, calcium dodecylbenzene sulfonate 20%, the two total 20kg, and mix them thoroughly.

[0048] The mixed solvent is composed of dichloromethane and methanol (1:1 volume), the two total 150L.

[0049] The mixed coating agent is: sodium lauryl sulfonate 20%, soluble starch 30%, white carbon black 50%, a total of 220kg of the three, the first two are crushed to 325 mesh by a jet mill, and then fully mixed with white carbon black Mix well and set aside.

[0050] Weigh 68kg of 30% Osthole, add the mixed solvent, mix the emulsifier, and stir the three well in the mixing tank to obtain 238kg of the drug mantle material;

[0051] Put the urea granules into the granulator and start the mixer. While stirring, use a spray device to carefully spray the drug mantle material on the surface of the urea particles, and the stirring speed is 60-80 rpm. After spraying the drug mantle, stir for 5 minu...

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PUM

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Abstract

The invention relates to a water-dispersible particle which can be used in disinfection. The invention is prepared from following components that 0.4-10 deals of cnidium fruit extractive, 2-20 deals of mixture solvents, 1.5-15 deals of mixture emulsifier, 4-15 deals of mixture lagging cover, and 40-90 deals of corn material. The inventive production is based one multiply adsorptions and lagging technique, while it can disinfect and adjust the growth, with little organic solvent.

Description

Technical field [0001] The present invention relates to the field of pesticides, and more specifically, to a new type of insecticidal and sterilizing water dispersible granules. Background technique [0002] The extract of Cnidium monnieri is a Chinese herbal medicine Cnidium monnieri after cold leaching or hot refluxing to extract alcohol-soluble or ester-soluble substances. It can also be extracted by carbon dioxide critical point extraction. Cnidium extract mainly contains osthol, and it also contains several biologically active compounds such as xanthotoxin, limonene, and ostial. A large number of experimental data have proved that Cnidium extract and Osthole have a strong antifungal effect, and have strong antifungal effects on dozens of insect larvae of Lepidoptera, Homoptera, Diptera, Coleoptera, and protozoa such as Trichomonas. The killing effect. Therefore, Cnidium extract and Osthole have been registered as agricultural pesticides and agricultural fungicides in my coun...

Claims

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Application Information

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IPC IPC(8): A01N43/16A01N25/14A01N43/90A01N53/00A01N47/28A01N57/00
Inventor 林开春谢九皋张国安
Owner 武汉绿世纪生物工程有限责任公司
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