Synthesis and characterization of emamectin-benzoate slow-release microspheres with different surfactants

文献类型： 外文期刊

第一作者： Wang, Yan

作者： Wang, Yan;Wang, Anqi;Wang, Chunxin;Cui, Bo;Sun, Changjiao;Zhao, Xiang;Zeng, Zhanghua;Shen, Yue;Gao, Fei;Liu, Guoqiang;Cui, Haixin;Wang, Yan;Wang, Anqi;Wang, Chunxin;Cui, Bo;Sun, Changjiao;Zhao, Xiang;Zeng, Zhanghua;Shen, Yue;Gao, Fei;Liu, Guoqiang;Cui, Haixin

作者机构：

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）

ISSN： 2045-2322

年卷期： 2017 年 7 卷

页码：

收录情况： SCI

摘要： Pesticide slow-release formulations provide a way to increase the efficiency of active components by reducing the amount of pesticide that needs to be applied. Slow-release formulations also increase the stability and prolong the control effect of photosensitive pesticides. Surfactants are an indispensable part of pesticide formulations, and the choice of surfactant can strongly affect formulation performance. In this study, emamectin-benzoate (EMB) slow-release microspheres were prepared by the microemulsion polymerization method. We explored the effect of different surfactants on the particle size and dispersity of EMB in slow-release microspheres. The results indicated that the samples had uniform spherical shapes with an average diameter of 320.5 +/- 5.24 nm and good dispersity in the optimal formulation with the polymeric stabilizer polyvinyl alcohol (PVA) and composite non-ionic surfactant polyoxyethylene castor oil (EL-40). The optimal EMB pesticide slow-release microspheres had excellent anti-photolysis performance, stability, controlled release properties, and good leaf distribution. These results demonstrated that EMB slow-release microspheres are an attractive candidate for improving pesticide efficacy and prolonging the control effect of EMB in the environment.

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