Citation: . FILLED POLYOLEFIN COMPOSITES PREPARED FROM IN-SITU POLYMERIZATION VIA A CATALYST-SUPPORTED APPROACH——Ⅰ.MORPHOLOGY OF PE IN CARBON BLACK(CB)/PE IN-SITU COMPOSITES[J]. Chinese Journal of Polymer Science, ;2003, 21(3): 333-338. shu

FILLED POLYOLEFIN COMPOSITES PREPARED FROM IN-SITU POLYMERIZATION VIA A CATALYST-SUPPORTED APPROACH——Ⅰ.MORPHOLOGY OF PE IN CARBON BLACK(CB)/PE IN-SITU COMPOSITES

Received Date: 22 April 2002
Revised Date: 27 June 2002

The morphology of PE in the in-situ CB/PE composites prepared from in-situ polymerization via a catalyst-supported approach was studied by DSC. It is found that both the melting peak temperature and crystallinity of the PE shelldecrease as filler level increases. The unexpected phenomena are ascribed to the strong interaction between PE and CB andthe very high specific area of CB. It is suggested that the lamellar thickness should be well correlated to the PE shell thickness. A two-layer PE model is successfully used to explain the experiment results.
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