School of Chemistry and Chemical Technology;
Shanghai Jiaotong University;
Shanghai 200240;
P. R. China;
Structure Research Laboratory;
the University of Science and Technology of China;
Hefei 230026;
P. R. China;
热拉工艺; 超高分子量聚乙烯; UHMWPE; 凝胶薄膜; X射线衍射;