Preparation of Miscible PVA/PEG Blends and Effect of Graphene Concentration on Thermal, Crystallization, Morphological, and Mechanical Properties of PVA/PEG (10 wt%) Blend

Table 2

DSC data for PVA and PVA/PEG blends.

Sample code	(°C)^a	(J/g)^b	(°C)^c	(J/g)^d	(°C)^e	(%)^f
Pure PVA	211.78	51.35	198.12	84.74	83	36.16
PVA/PEG (5%)	214.43	55.21	197.81	80.88	53.85	38.88
PVA/PEG (10%)	214.79	45.29	198.52	73.94	54.39	31.89
PVA/PEG (15%)	210.15	31.98	195.67	63.16	51.34	22.52
PVA/PEG (20%)	214.21	42.23	198.07	68.22	54.47	29.74

^aMelting temperature. ^bMelting enthalpy. ^cCrystallization temperature. ^dEnthalpy of crystallization.^eGlass transition temperature. ^fDegree of crystallinity calculated by using (1).