Abstract
ABSTRACTIn this attempt, novel polyurethane (PU) was prepared and blended with polyamide 1010 (PA1010). Based on morphology, molecular weight, polydispersity index, thermal, and shear stress behavior, PA1010/PU (80:20) blend was opted as matrix material for graphene nanoplatelet (GNP) reinforcement. PA1010/PU/GNP nanocomposites were prepared using various GNP loadings (1–5 wt.%). According to scanning electron microscopy (SEM), PA1010/PU blend with 5 wt.% PU revealed better compatibility. Inclusion of functional GNP resulted in formation of speckled morphology due to physical interaction between nanofiller and the matrix. In the case of PA1010/PU/GNP 3 nanocomposite, T0 (532 oC) was much higher than the unfilled blend (389 oC). Similarly, other thermal properties (T10 565 oC; Tmax 599 oC) of PA1010/PU/GNP 3 nanocomposite were significantly higher than the blends and nanocomposites. Limiting oxygen index measurement indicated better non-flammability of PA1010/PU/GNP 1–3 nanocomposite series (50%–57%) relat...
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