pps proceeding - Abstract Preview
pps proceeding
Symposium: Natural Based & Biodegradable Polymers
Poster Presentation
 
 

Kinetic Analysis of Crystallization in PHB/Carbon Black Compounds. Mo Model

Wellen Renate Maria Ramos (1)*, Canedo Eduardo Luis (2)

(1) UFPB - Paraíba - Brazil, (2) ITEP - Pernambuco - Brazil

In this work compounds of poly(3- hydroxybutyrate) (PHB) and carbon black (CB) with CB content ranging between 0.5% and 10.0% were prepared in a laboratory internal mixer. The effect of heating and cooling rates on the melt and cold crystallization of PHB/CB compounds was investigated by differential scanning calorimeter (DSC), and the dependence of the heating and cooling rate with crystallization time at a constant crystallinity level was correlated using the model proposed by Mo and collaborators. Mo model parameters are well behaved and may be correlated in terms of carbon black content and heating/cooling rate, allowing use of the model for arbitrary system/conditions (within the rage tested and avoiding extremes).Ultimately, the success or failure of empirical correlation models depends on its intended use, and the acceptable level of discrepancy between predicted and experimental result, as verified in the present work, that the specific application may tolerate.