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Morphological studies of oriented ultra-high molecular weight polyethylene with enhanced planar mechanical properties

✍ Scribed by Tetsuo Kanamoto; Anagnostis E. Zacharides

Publisher
Society for Plastic Engineers
Year
1985
Tongue
English
Weight
286 KB
Volume
25
Category
Article
ISSN
0032-3888

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✦ Synopsis

Abstract

Ultra‐high molecular weight polyethylene films prepared by melt flow crystallization under torsional flow conditions were characterized by wide angle (WAXS) and small angle (SAXS) diffraction techniques and scanning electron microscopy (SEM). The films had a fibrillar morphology in which lamellae having an average fold period of 650Γ… were stacked with their c‐axis along the circular flow lines. X‐ray analysis showed that the a and b‐axes were preferentially oriented along the thickness and radial directions of the sample.

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## Abstract The objectives of this study were to examine the effects of the processing conditions, sterilization, and thermal treatment on the morphological and mechanical properties of ultra‐high‐molecular‐weight polyethylene (UHMWPE) in medical applications by means of thermal analysis, Fourier t