Double melting in polytetrafluoroethylene γ-irradiated above its melting point

► PTFE irradiation leads to formation of double melting peaks in DSC curves. ► This is connected to dual crystalline morphology typical for PTFE. ► Two crystalline types exist in the PTFE irradiated in the melt. PTFE irradiation above its melting point leads to formation of double melting and crysta...

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Veröffentlicht in:	Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2012-01, Vol.271, p.92-95
Hauptverfasser:	Serov, S.A., Khatipov, S.A., Sadovskaya, N.V., Tereshenkov, A.V., Chukov, N.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Crystal structure Crystallization Differential scanning calorimetry Electronic microscopy Irradiation Melting Melting points Melts Morphology Polytetrafluoroethylene Polytetrafluoroethylenes Splitting Thermal analysis
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Beschreibung
Zusammenfassung:	► PTFE irradiation leads to formation of double melting peaks in DSC curves. ► This is connected to dual crystalline morphology typical for PTFE. ► Two crystalline types exist in the PTFE irradiated in the melt. PTFE irradiation above its melting point leads to formation of double melting and crystallization peaks in DSC curves. Splitting of melting peaks is connected to dual crystalline morphology typical for PTFE irradiated in the melt. According to electron microscopy, two crystalline types with different size and packing density exist in the irradiated PTFE.
ISSN:	0168-583X 1872-9584
DOI:	10.1016/j.nimb.2011.11.003