生物农药微胶囊壁材料研究

Study on the Polymer Materials of Biopesticides Microcapsules

摘要: 用原位聚合法对生物农药阿维菌素进行包囊，然后制备微胶囊制剂，并对用于该制剂的两种高分子囊壁材料-三聚氰胺甲醛树脂和脲醛树脂的性能进行了研究。结果表明，两种树脂皆为较好的生物农药用微胶囊缓释剂型的囊壁材料，其制备工艺简单，具有良好的稳定性、粒径大小与分布、悬浮性、缓释性等，包封率均达80％以上。其中三聚氰胺甲醛树脂悬浮性较脲醛树脂更好，缓释性更持久。

Abstract: This article is concerned with the technology of preparation of avermectin microcapsule by in-situ polymerization. It mainly studied the characteristics and properties of melamine resin and urea formaldehyde resin. The result of experiments shows that two