As a noval class of functional polymer materials

the monodisperse crosslinked polystyrene (PS) microspheres have the advantages of high specific surface area

strong adsorptive

high surface activities

excellent hydrophopic

superior thermal and solvent resistance. They have a wide application future in many fields such as biomedical

standard measurement

electronic science

analytical chemistry and chromatographic separation etc. The preparation of crosslinked polymer microspheres and mechanism research of dispersion polymerization have recently become a hot point and been developed rapidly. In this paper

the dispersion polymerization mechanism of the crosslinked PS particles were mainly reviewed. The effects of the monomer

initiators

crosslinker

dispersing agent and reaction medium on controllable preparation of monodisperse crosslinked microspheres were discussed. The development trends and prospects of the micro monodisperse crosslinked PS microspheres were also put forward.