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Unusual rheology behaviour of ultra high molecular weight polyethylene/kaolin composites prepared via polymerization-filling

✍ Scribed by Xin Wang; Qiye Wu; Zongneng Qi

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
139 KB
Volume
52
Category
Article
ISSN
0959-8103

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✦ Synopsis

Abstract

The rheological behaviour of ultra high molecular weight polyethylene (UHMWPE)/Kaolin composites prepared by a polymerization‐filling process was investigated by conducting capillary and dynamic rheology tests. The results showed that the addition of Kaolin could significantly improve the processability of UHMWPE composites. The common viscoelastic flow was discovered for UHMWPE composites in capillary extrusion testing. The further discussion showed that the unique microstructure provided by polymerization‐filling of UHMWPE/Kaolin composites led to this unusual rheology behaviour. Copyright © 2003 Society of Chemical Industry

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2RD (UK) [\*\*] We acknowledge the EPSRC for a studentship (A. J. B) and the EPSRC Multi-Use Equipment Initiative for funding (J. Z.). We thank Mr. P. Fields and Mr. R. Wilson for their advice and technical assistance, and Perplas Medical Ltd. for supplying the UHMWPE used in this study. We acknowle