Spirodiclofen water dispersible granule and preparation method thereof
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A technology of spirodiclofen and dispersible granules, which is applied in the field of pesticide acaricides, can solve the problems of high production, packaging and transportation costs, high requirements for production conditions, and increased use costs, and achieve fast disintegration speed, convenient use, The effect of simple preparation process
Inactive Publication Date: 2009-09-02
北京绿色农华作物科技有限公司
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Problems solved by technology
Although water-suspension concentrates are environmentally friendly preparations, they have high requirements for production conditions, and high-content preparations are impossible. The co
Method used
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[0013] Example 1
[0014] Weigh the content as 95% spirodiclofen original drug 10.5kg, alkyl naphthalene formaldehyde condensate sulfonate 3.0kg, phenethylphenol polyoxyethylene ether 2.0kg, amine sulfate 20.0kg, polyethylene glycol 3.0kg, Kaolin 61.5kg, after being evenly mixed, is pulverized into powder by an ultrafine jet mill, and then added to a fluidized bed granulation dryer for granulation and drying. After sieving, sampling and analysis are performed, and 10% can be packaged if it is qualified. Spirofen-ethyl water dispersible granules.
Example Embodiment
[0015] Example 2
[0016] Weigh the content as 95% spirodiclofen original drug 21.1kg, alkyl naphthalene sulfonate formaldehyde condensate 3.0kg, lignosulfonate 2.0kg, bentonite 20.0kg, polyethylene glycol 3.0kg, disodium hydrogen phosphate 1.0 kg, kaolin 49.9kg, mixed uniformly, pulverized into powder by an ultrafine jet mill, then added to a fluidized bed granulation dryer for granulation, drying, sieving, sampling and analysis, and packaging can be obtained 20% spirodiclofen water dispersible granules.
Example Embodiment
[0017] Example 3
[0018] The content is weighed as 95% spirodiclofen original drug 31.6 kg, alkyl naphthalene sulfonate formaldehyde condensate 5.0 kg, sodium methylene naphthalene sulfonate 3.0 kg, sodium sulfate 20.0 kg, polyvinyl alcohol 2.0 kg, hydrogen phosphate Disodium 1.0kg, kaolin 37.4kg, mixed evenly, pulverized into powder by ultra-fine jet mill, then added to fluidized bed granulation dryer for granulation, drying, sieving, sampling and analysis, and it is qualified. Packed to obtain 30% spirodiclofen water dispersible granules.
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Abstract
The invention relates to an agricultural acaricide, in particular to a spirodiclofen water dispersible granule and a preparation method thereof. The water dispersible granule is a regular or irregularThe invention relates to an agricultural acaricide, in particular to a spirodiclofen water dispersible granule and a preparation method thereof. The water dispersible granule is a regular or irregular granule developed based on wettable powder and a water suspending agent. The water dispersible granule overcomes the defects of emulsifiable solution, the wettable powder and the water suspending agegranule developed based on wettable powder and a water suspending agent. The water dispersible granule overcomes the defects of emulsifiable solution, the wettable powder and the water suspending agent and auxiliary agents with different components are added to the formula. The implementation effect shows that the spirodiclofen water dispersible granule has good dispersibility, indefinitely suspent and auxiliary agents with different components are added to the formula. The implementation effect shows that the spirodiclofen water dispersible granule has good dispersibility, indefinitely suspended working substances, fast disintegration speed with the disintegration time less than 3 min and good hot storage stability.nded working substances, fast disintegration speed with the disintegration time less than 3 min and good hot storage stability.
Description
technical field [0001] The invention relates to a pesticide acaricide, in particular to a spirodiclofen water-dispersible granule and a preparation method thereof. technical background [0002] At present, there are many agricultural acaricides, and spirodiclofen is one of them. It is a miticide with a new mechanism of action developed by Bayer CropScience for many years. It inhibits the fat synthesis in the body of harmful mites and destroys the energy metabolism of mites, thereby killing mites. Its acaricide mechanism is completely different from the existing various acaricides, so there is no cross-resistance problem with other existing acaricides, and it can be used to control a variety of resistant spider mites. In 2003, the product was first launched in Brazil, South America, to prevent and control citrus spider mites. In that year, 45,000 liters of preparations were sold. By 2005, it had rapidly grown into the largest acaricide in the Brazilian citrus market. Spiro...
Claims
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