Citation: Yu Ying LI, Ji Jun ZENG, Jia Song HE. Kinetics of Nonisothermal and Isothermal Crystallization of Metallocene Polyethylene[J]. Chinese Chemical Letters, ;1999, 10(2): 175-178. shu

Kinetics of Nonisothermal and Isothermal Crystallization of Metallocene Polyethylene

State Key Laboratory of Engineering Plastics, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100080

Received Date: 19 June 1998

The kinetics of nonisothermal and isothermal crystallization of metallocene catalyzed and conventional polyethylenes has been studied by differential scanning calorimetry. Using Avrami equation, Ozawa theory and Mo Zhishen method, the experimental data have been analyzed. It is shown that metallocene polyethylene possesses a higher rate of crystallization due to a higher stereoregularity of its molecular chains. Moreover, they have different nonisothermal crystallization mechanisms and identical isothermal crystallization mechanisms.
- Metallocene polyethylene,
- nonisothermal crystallization,
- isothermal crystallization
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