BIH, and the density and foam structures of the extruded free low foamed HIPS properties, the influence of the crosslink-ing agent and nucleator on HIPS product were discussed.

• BIH与HIPS挤出自由低发泡制品的密度和泡孔结构的关系,以及交联剂、成核剂对制品的影响,并利用偏光显微镜观察了泡孔结构形态。