The storing stability of ureaformaldehyderesin adhesive with the change of PH value is researched in attempt to guide the production and imporove the application for products.
对脲醛树脂胶的贮存稳定性随p H值的变化进行研究，以指导生产，提高产品的适用。
2
The abamectin microcapsules were prepared by in-situ polymerization process in this work, with melamine-formaldehyderesin and urea-formaldehyderesin as wall materials respectively.
采用原位聚合法，分别使用脲醛树脂和蜜胺树脂两种囊壁材料对生物农药-阿维菌素进行了微胶囊包覆。
3
As a matrix of wood composite, urea-formaldehyderesin has been used extensively, and the relationship between its structure and performance is also one focus for enterprises.