The rheological behavior and the effects of extrusion temperature and screw revolution speed on apparent density, cell structure of low foamed HIPS was studied by means of HAKKE rheometer.

• 利用HAKKE流变仪研究了低发泡高抗冲聚苯乙烯 (HIPS)熔体的流变特性及挤出温度、螺杆转速对制品的表观密度、泡孔尺寸、泡孔尺寸均匀度的影响。