Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21412
Title: Wear performance of ultrahigh molecular weight polyethylene/quartz composites
Authors: Xie, XL
Tang, CY 
Chan, KYY
Wu, XC
Tsui, CP 
Cheung, CY
Issue Date: 2003
Source: Biomaterials, 2003, v. 24, no. 11, p. 1889-1896
Abstract: Ultrahigh molecular weight polyethylene (UHMWPE)/quartz composites were compression molded in the presence of organosiloxane, and then hydrolyzed. The used organosiloxane is vinyl tri-ethyloxyl silane. The gelation, the melting behavior, the crystallinity, the mechanical properties and the wear resistance of UHMWPE/quartz composites were investigated. The results showed that organosiloxane can act as a cross-linking agent for UHMWPE matrix and serve as a coupling agent for improving the bonding between the quartz particles and the UHMWPE matrix. The correlation between the various properties and the morphology of the composites has been discussed. At about 0.5 phr organsiloxane while the degree of crystallinity of the composite is at the peak value of 57%, the mechanical properties and the wear resistance of UHMWPE/quartz composites reaches their maximum.
Keywords: Cross-linking
Organosiloxane
UHMWPE/quartz composite
Wear-resistance
Publisher: Elsevier Sci Ltd
Journal: Biomaterials 
ISSN: 0142-9612
DOI: 10.1016/S0142-9612(02)00610-5
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