Heat Treatment Effects on the Mechanical Properties and Morphologies of Poly (Lactic Acid)/Poly (Butylene Adipate-co-terephthalate) Blends

Table 3

The enthalpy and crystallinity of PLA/PBAT blends treated at 100°C for 8 and 24 hr.

Code	0 hr		8 hr		24 hr
	Δ𝐻𝑚^a (J/g)	𝑋𝑐^b (%)	Δ𝐻𝑚^a (J/g)	𝑋𝑐^b (%)	Δ𝐻𝑚^a (J/g)	𝑋𝑐^b (%)
PLA	37	42.44	39.47	43.44	31.59	34
PLA/PBAT (70/30)	22.38	32.3	24.03	33.3	21.23	32.61
PLA/PBAT (50/50)	16.58	33.72	16.32	35.1	15.68	33.72
PLA/PBAT (30/70)	9.91	34.62	9.66	34.62	9.14	32.76

^aΔ𝐻_𝑚: The crystal melting enthalpy of PLA.
^b𝑋_𝑐: The degree of crystallinity (𝑋_𝑐) of PLA.