SOLID PESTICIDE NANODISPERSION AND ITS PREPARATION
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United States of America Patent
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Nov 27, 2015
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Mar 13, 2015
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A pesticide solid nanodispersion and its preparation method. The said pesticide solid nanodispersion is composed of 0.001-90 parts by weight of pesticide, 0.001-50 parts by weight of surfactants and 5-99.9 parts by weight of water-soluble carriers. The said pesticide is one or more pesticide(s) selected from poorly water-soluble insecticides, fungicides, herbicides or plant growth regulators; the particle size of the said solid nanodispersion is less than 1 μm. Compared with the prior art, the pesticide of the present invention has smaller particle size, more uniform dispersibility and better coating effect of surfactants. The content of surfactants may be less than 1%, even less than 0.1%, and can maintain good dispersibility and stability as well.
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