Effect of Variation of Hard Segment Content and Graphene-Based Nanofiller Concentration on Morphological, Thermal, and Mechanical Properties of Polyurethane Nanocomposites

Table 2

Enthalpy of melting for PU nanocomposites (heating scans).

Heating scans
% nanofiller	PU20-GNP		PU20-RGO		PU40-GNP		PU40-RGO
	(J/g)	(J/g)	(J/g)	(J/g)	(J/g)	(J/g)	(J/g)	(J/g)
0.00	5.5	13.5	5.5	13.5	9.1	12.1	9.1	12.1
0.25	2.3	14.7	7.1	18.6	9.2	17.7	5.3	3.1
0.50	3.1	1.4	2.6	7.0	9.4	17.6	3.6	1.9
1.00	3.3	1.5	4.4	10.2	8.5	14.3	5.1	3.3
2.00	3.0	1.1	5.3	23.2	10.3	16.3	5.2	12.7