Morphologies of mono-dispersed PMMA latex particles and PMMA/ PAN composite particles were characterized by laser particle size instrument, SEM and TEM, core-shell morphology of PMMA/ PAN composite particles were proven. 通过激光粒度仪、扫描电镜和透射电镜对核-壳粒子的形态结构进行了表征,证明了PMMA/PAN复合粒子的核-壳结构。