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Biodegradation and thermal studies of natural fiber/nanoclay hybrid composites of poly (caprolactone) / poly (lactic acid) blends
Akos Noel Ibahim
The thermal properties and biodegradation of polycaprolactone/ polylactic acid, (PCL/PLA) blend reinforced with palm press fibers/ organophilic modified montmorillonite (MMT) was studied in this research. Dicumyl peroxide was used as cross linking compatibilizer in the PCL/PLA blend. The composites were prepared to test the effect of increasing fiber loading and the effect of dicumyl peroxide with the presence of MMT. The blend composite were prepared using a twin-screw extruder followed by injection molding to fabricate the specimens. FTIR shows the compatibilization of PCL/PLA with DCP. DSC test signifies no change in thermal properties. Soil burial method studies showed that increasing fiber content in the PCL/PLA/Fiber/MMT with compatibilizer DCP shows a better degradation property than the composites without DCP. Water absorption test indicates absorption rate increased as fiber content increased.