Under nitrogen, 2–4 mg of powder were loaded into hermetic aluminum pans and sealed. Samples were loaded into a Discovery Series DSC 25 differential scanning calorimeter (TA Instruments, New Castle, DE). The sample was analyzed by heating it, starting at −5°C with a ramp rate of 1°C/min to an ending temperature of 180°C. Using the TRIOS software (v4.3.0, TA Instruments, New Castle, DE), the Tg or Tm was determined.
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