To elucidate the behavior of double melting peaks, the samples were
crystallized isothermally between 280 and 320 8C for 10 min, and then they were heated to 380 8C at 2 8C/min. From the TMDSC results, the
exothermic behavior in the non-reversing curves supports the mechanism of melting–recrystallization at Tc # 310 8C: On the other hand, no
exothermic flow for Tc at 320 8C supports the mechanism of two different morphologies. As the isothermal crystallization temperature
increased from 280 to 320 8C, the contribution of melting–recrystallization to the upper melting peak gradually decreased, and finally
disappeared.
To elucidate the behavior of double melting peaks, the samples werecrystallized isothermally between 280 and 320 8C for 10 min, and then they were heated to 380 8C at 2 8C/min. From the TMDSC results, theexothermic behavior in the non-reversing curves supports the mechanism of melting–recrystallization at Tc # 310 8C: On the other hand, noexothermic flow for Tc at 320 8C supports the mechanism of two different morphologies. As the isothermal crystallization temperatureincreased from 280 to 320 8C, the contribution of melting–recrystallization to the upper melting peak gradually decreased, and finallydisappeared.
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