Abstract
The performance of an adiabatic extrusion in minimizing the risk of thermal degradation for PA6/C20A nanocomposites was investigated in this paper. The screw speed of twin-screw extruder was maintained at constant value of 100 RPM while the clay loadings C20A were varied between 1 wt %, 3wt % and 5 wt % respectively.Thermal gravimetric analysis was used to characterize the thermal property of polyamide6/C20A-nanocomposites and the crystallization pattern was thoroughly examined via the application of differential scanning calorimetry. The time taken for 10 wt.% mass losses of majority adiabatic extruded samples was observed to be longer as compared to the conventional extruded PA6/C20A samples. The combination effect of adiabatic extrusion and nanoclay presence in the PA6-matrix has managed to increase thermal resistant of PA6. The crystallinity grade for each of the samples with different loading of C20A. however has not diversed in value since the index of crystallinity (Xc) remains independent of C20-volume althoughconventional/adiabatic setting of extruder could possibly have greater effect on the crystalline feature of PA6/C20A nanocomposites.
Published Version
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