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The crystal structure of crosslinked polytetrafluoroethylene (XPTFE) and its morphological variations as compared with pure PTFE were investigated using differential scanning calorimetry, synchrotron small angle X-ray scattering (SAXS), and scanning electron microscopy (SEM). The XPTFE samples were obtained by irradiating PTFE at the melt state using different radiation doses. Results showed that...
A polytetrafluoroethylene (PTFE) sheet was cross-linked by electron beam irradiation at 335±5°C in a nitrogen gas atmosphere. With increasing dose, the cross-linked PTFE (X-PTFE) sheet became transparent, and the melting point and the heat of crystallization decreased gradually. The tribological behavior of the X-PTFE sheet was investigated on a ring-on-ring tribometer and a block-on-ring friction...
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