DSC characterisation of compression moulded PEEK-PTFE plaques
作者： P. S. Thomas , B. H. Stuart
关键词: Thermal analysis 、 Composite material 、 Polymer blend 、 Tetrafluoroethylene 、 Phase (matter) 、 X-ray crystallography 、 Differential scanning calorimetry 、 Ether 、 Peek 、 Materials science 、 Polymer chemistry
摘要: Compression moulded plaques of a range poly(ether ether ketone) (PEEK)- poly(tetrafluoroethylene) (PTFE) blends (100, 92, 48, 29, 9.5 and 0 mass% PEEK) have been characterised using differential scanning calorimetry (DSC) wide angle X-ray crystallography (WAXD). A shift in the melting peak PEEK phase from 347 to 358°C was observed with increasing proportion PTFE blend. narrowing also observed. Correspondingly, WAXD measurements showed reduction d-spacings. The changes morphology are rationalised terms higher degree order imparted on crystalline by transmission an applied 'hydrostatic' pressure presence PTFE.
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