Ammonium persulfate was used as initiator. The optimum process parameters were determined through our experiments. And the prepared samples were characterized by FT-IR, TEM, TG and DTA, SEM, XRD, BET, and so on.

• 通过实验确定了各工艺的最佳工艺参数,利用FT-IR、TG-DTA、TEM、SEM、XRD、BET等分析手段对所制备的小球样品进行表征。