利用DSC和WAXD研究了医用聚丙烯专用料(TPC)及其密封式直立吹塑瓶(TPCC)的熔融行为和结晶结构.结果表明经过吹塑成型过程后,TPCC的熔融温度、结晶度均较TPC有所提高,DSC熔融半峰宽明显下降,微晶尺寸明显增大,同时晶面取向因子发生显著变化,表明成型过程中晶区尺寸增大,且晶体结构更均匀规整,赋予了输液瓶良好的性能.
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