Melting range determination of semi-crystalline polymers according to EN ISO 3146
According to the official regulation EN ISO 3146, polymers do usually not have a sharp melting point as known for low-molecular substances. Here, we demonstrate the feasibility to employ the M-565 for the melting range determination of semi-crystalline polymers by capillary tube method according to EN ISO 3146.
Semi-crystalline poly(tetrafluoroethylene) (PTFE was chosen as test compound for the melting range measurements. For the analysed PTFE samples, we report a narrow melting range between 322.9 ± °C and 326.0 ± 0.1 °C.
With the M-565 the melting process can be measured and recorded without modification of the instrument
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