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Mechanical and Tribological Behavior of Compatibilized Ultra-high-molecular-weight Polyethylene/liquid Crystalline Polymer Composites by Jiansong Zhou; Fengyuan Yan is a Materials Science article available to read on EtoBox.

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Ultra-high-molecular-weight polyethylene/liquid crystalline polymer composites (coded as UHMWPE/LCP) compatibilized with polyethylene-grafted maleic anhydride (PE-g-MAH) were prepared by compression molding. The effect of the compatibilizer on the mechanical, thermal, and tribological properties of the UHMWPE/LCP composites was investigated, based on the evaluation of the composites' properties and examination of the fracture sections by means of scanning electron microscopy. It was found that the incorporation of the PE-g-MAH contributed to decrease the melting points of the composites and decrease their crystallinity to some extent. Moreover, the inclusion of the PE-g-MAH compatibilizer helped to greatly increase the tensile rupture strength and tensile modulus of the composites, which was beneficial to improving the wear resistance. Such improvements in the tensile and tribological behavior of the UHMWPE-matrix composites by the PE-g-MAH compatibilizer could be closely related to the enhanced cross-linking function of the composites in the presence of the compatibilizer.

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Author

Jiansong Zhou; Fengyuan Yan

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0142-9418)

Published

2004

Language

EN

Field

Materials Science (Physical Sciences)