Shape Stability of Polyethylene Glycol/Acetylene Black Phase Change Composites for Latent Heat Storage

Table 2

Thermal analysis of the PEG/AB composites and pure PEGs with varying molecular weights.

Samples	Impregnation ratio (wt.%)	Tm (°C)	ΔHm (J g^−1)	ΔHm^∗ (J·g^−1)	Tc (°C)	ΔHc (J·g^−1)	ΔHc^∗ (J·g^−1)
PEG800	—	28.44	118.99	—	17.38	122.78	—
PEG4000	—	60.50	172.36	—	42.00	170.09	—
PEG6000	—	61.44	187.38	—	43.43	184.42	—
PEG10000	—	62.65	182.29	—	43.89	178.34	—
PEG800/AB	76.40	22.69	40.25	90.91	11.75	80.99	93.80
PEG4000/AB	83.90	57.79	144.68	144.68	40.57	141.71	142.71
PEG6000/AB	86.80	61.22	157.24	162.65	41.38	156.22	160.08
PEG10000/AB	88.40	62.53	161.22	161.14	43.02	157.82	157.65