The properties of polypropylene(PP) by equal channel angular extrusion(ECAE) processing were investigated.
研究了模压成型聚丙烯（ PP）经等通道转角挤压（ ECAE）加工后的性能。
2
Polarizing microscopy and differential scanning calorimetry (DSC) were used to study the effect of carbon fiber on the crystallization of polypropylene (PP).
本文用偏光显微镜和示差扫描量热计（DSC）方法研究了碛纤维对聚丙烯结晶行为的影响。
3
The effect of some organic phosphates on the dynamic mechanical behavior of polypropylene (PP) was studied.