Studying the Fabrication and Characterization of Polymer Composites Reinforced with Waste Eggshell Powder

Table 1

Thermal properties of PA and its composites (PA3, PA5, and PA10).

Property/sample	PA		PA3		PA5		PA10
	Measured	Stad. error	Measured	Stad. error	Measured	Stad. error	Measured	Stad. error
Tm (c)	195	0.05	195.8	0.48	196.47	0.85	196.08	0.54
△Hm (J/g)	93.94	1.53	82.93	1.43	92.27	1.07	80.06	1.91
Tc (c)	136.8	0.50	146.7	0.59	147.4	0.70	148.0	1.21
△Hc (J/g)	39.92	1.29	39.99	1.85	41.87	1.50	38.51	1.37
Xc (%) (calculated from Equation (1))	44.64		39.98		45.37		39.60