Kinetics of non-isothermal crystallization of coconut-based cholesterol ester: Avrami and Ozawa approaches
2003
Joson, J.F. | Davila, L.T. | Domingo, Z.B., Philippines Univ., Diliman, Diliman, Quezon City (Philippines). Liquid Crystals Lab.
Kinetics of non-isothermal crystallization of coconut-based cholesteryl ester was performed by differential scanning calorimetry under various heating rates. Different analysis methods were used to describe the process of non-isothermal crystallization. The results showed that the Avrami equation could describe the system very well. However, the Ozawa analysis tailed. A probable reason is the difference in the crystallization kinetics at high and low relative crystallization. The phase transitions of the coconut-based cholesteryl ester were also observed through optical polarizing microscopy.
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