Biodegradable emamectin benzoate microsphere
2015
The invention discloses a biodegradable emamectin benzoate microsphere and a preparation method thereof. Emamectin benzoate serves as an active substance namely a core material, and a biodegradable material serves as a balling material namely a wall material. The biodegradable emamectin benzoate microsphere has the advantages of safety, low toxicity, high efficiency, long lasting period, high stability and the like. Compared with a conventional common high-polymer wall material microsphere, the biodegradable emamectin benzoate microsphere has the advantages of high environment compatibility and good material mechanics property; meanwhile, by changing a ratio of polylactic acid to polypropylene carbonate in the wall material, the slow release performance and the particle size of the microsphere can be regulated and controlled, the drug release performance is improved, the environmental friendliness is improved, the production cost is reduced, and requirements on pollution-free agricultural production are met.
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