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Melting and Recrystallization Behaviour of PVCH-PE-PVCH Triblock Copolymer in Supercritical CO2

YU Pei-Qian1; XIE Xu-Ming1*; WANG Tao2; Frank S. Bates3   

  1. 1. Institute of Polymer Science and Engineering, Department of Chemical Engineering,
    Key Laboratory of Advanced Materials, Ministry of Education,
    2. State Key Laboratory of Chemical Engineering, Tsinghua University, Beijing 100084,
    China;
    3. Department of Chemical Engineering and Materials Science, University of Minnesota,
    Minneapolis, MN 55455, USA

  • Received:2005-10-25 Revised:1900-01-01 Online:2006-07-10 Published:2006-07-10
  • Contact: XIE Xu-Ming

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Abstract:

The melting and recrystallization behaviour of poly(vinylcyclohexane)-b-poly(ethylene)-b-poly(vinylcyclohexane)(PVCH-PE-PVCH) triblock copolymer in supercritical carbon dioxide(CO2) was investigated by using of DSC. The effect of the rate of the depressurization of CO2 on the crystallization of the samples was also examined.

Key words: PVCH-PE-PVCH, Supercritical CO2, Melting and recrystalliztion

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