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Pymetrozine water-dispersible granule and preparation method thereof

A technology of pymetrozine and dispersible granules, which is applied in the field of pesticides to achieve the effects of fast particle disintegration, continuous industrial production, and reduction of dust pollution.

Active Publication Date: 2015-09-16
HUIZHOU YINNONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned water-dispersible granules can achieve good results in terms of safety and environmental protection, but the miscibility, redispersibility, suspension rate, etc. of the water-dispersible granules themselves need further improvement

Method used

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  • Pymetrozine water-dispersible granule and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A pymetrozine water dispersible granule comprising the following components:

[0045] Pymetrozine 100g

[0046] Lignosulfonate 1g

[0047] Alkylnaphthalene sulfonate 0.6g

[0048] Glucose 0.6g

[0049] Sodium Polyacrylate 0.2g

[0050] Bentonite Clay 28g

[0051] Polyvinylpyrrolidone 0.1g

[0052] Paraffin 0.2g;

[0053] According to above-mentioned pymetrozine dispersible granule formulation, prepare as follows:

[0054] (1) Mix pymetrozine, dispersing agent, wetting agent, disintegrating aid and filler evenly, superfinely pulverize into fine powder of 620-750 mesh, and continue to mix evenly;

[0055] (2) After mixing the polymer surfactant and the release agent uniformly, add it to the mixture in step (1), and continue to mix it uniformly;

[0056] (3) Add 24-28g of water to the binder, mix evenly to obtain an aqueous binder solution, add to the mixture in step (2), and mix evenly;

[0057] (4) The mixture in step (3) is extruded and granulated with a 650-80...

Embodiment 2

[0059] A pymetrozine water dispersible granule comprising the following components:

[0060] Pymetrozine 100g

[0061] Lignosulfonate 1g

[0062] Naphthalene sulfonate condensate 3g

[0063] Anionic wetting agent 1.5g

[0064] Ammonium sulfate 1.2g

[0065] Polyacrylamide 0.7g

[0066] Diatomaceous earth 34g

[0067] Polyvinylpyrrolidone 0.6g

[0068] Kerosene 0.9g;

[0069] According to above-mentioned pymetrozine dispersible granule formulation, prepare as follows:

[0070] (1) Mix pymetrozine, dispersing agent, wetting agent, disintegrating aid and filler evenly, superfinely pulverize into fine powder of 620-750 mesh, and continue to mix evenly;

[0071] (2) After mixing the polymer surfactant and the release agent uniformly, add it to the mixture in step (1), and continue to mix it uniformly;

[0072] (3) Add 24-28g of water to the binder, mix evenly to obtain an aqueous binder solution, add to the mixture in step (2), and mix evenly;

[0073] (4) The mixture in st...

Embodiment 3

[0075] A pymetrozine water dispersible granule comprising the following components:

[0076] Pymetrozine 100g

[0077] Lignosulfonate 3g

[0078] Naphthalene sulfonate condensate 1g

[0079] Anionic wetting agent 1.5g

[0080] Ammonium sulfate 1.2g

[0081] Polyacrylamide 0.7g

[0082] Diatomaceous earth 34g

[0083] Polyvinylpyrrolidone 0.6g

[0084] Kerosene 0.9g;

[0085] According to above-mentioned pymetrozine dispersible granule formulation, prepare as follows:

[0086] (1) Mix pymetrozine, dispersing agent, wetting agent, disintegrating aid and filler evenly, superfinely pulverize into fine powder of 620-750 mesh, and continue to mix evenly;

[0087] (2) After mixing the polymer surfactant and the release agent uniformly, add it to the mixture in step (1), and continue to mix it uniformly;

[0088] (3) Add 24-28g of water to the binder, mix evenly to obtain an aqueous binder solution, add to the mixture in step (2), and mix evenly;

[0089] (4) The mixture in ...

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Abstract

The invention discloses a pymetrozine water-dispersible granule. The pymetrozine water-dispersible granule comprises the following ingredients in parts by weight: 100 parts of pymetrozine, 1-5 parts of a dispersing agent, 0.6-2 parts of a wetting agent, 0.6-2 parts of a disintegration assisting agent, 0.2-1 part of a binder, 28-42 parts of filler, 0.1-0.8 parts of surface active agent and 0.2-1.5 parts of parting agent. Through optimizing dosages of effective compositions and selective cooperation of all additives, the prepared pymetrozine water-dispersible granule has high active compound content, good dispersibility, good wettability, high disintegration speed and high miscibility and the preparation method is simple, is low in energy consumption and can realize continuous industrial production.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a pymetrozine water dispersible granule and a preparation method thereof. Background technique [0002] Pymetrozine Chemical name: 4,5-dihydro-6-methyl-4-(3-pyridylmethyleneamino)-1,2,4-3(2H)-one, is a highly efficient and low-toxic insecticide It is safe for the environment, people, animals, natural enemies of pests and other beneficial organisms, and it is not easy to produce resistance to pest control, and it belongs to environment-friendly pesticides. Pymetrozine can be used to control a variety of pests such as Aphididae, Planthoppers, Whiteflies, and Leafhoppers, such as cabbage aphid, cotton aphid, wheat aphid, green peach aphid, small green-spotted leafhopper, S. lugens, sweet potato powder lice and greenhouse whiteflies, etc. Scope of application: vegetables, wheat, rice, cotton, fruit trees. [0003] With the enhancement of people's awareness of enviro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/14A01N25/30A01N43/707A01P7/04
Inventor 王爱臣
Owner HUIZHOU YINNONG TECH
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