The crystallinity of LLDPE increased with thermal aging,and the increase of crystallinity in the systems without antioxidant 1010 was larger than those with antioxidant 1010.

• LLDPE的结晶度随热老化时间增加而提高,相对于含抗氧剂1010的体系,不含抗氧剂1010体系的结晶度提高幅度较大。