Condensed state structure and rheological behaviors of 2 kinds of tubing polyethylene(PE)resins with different sag resistances were analyzed by solid-state nuclear magnetic resonance(NMR)technique.

• 用固体核磁技术分析了2种具有不同抗熔垂性能的聚乙烯管材料的凝聚态结构与流变性能。