Synthesis of Graphene Oxide-Polystyrene Graft Polymer Based on Reversible Addition Fragmentation Chain Transfer and Its Effect on Properties, Crystallization, and Rheological Behavior of Poly (Lactic Acid)

Table 4

M₁ and M₂ of PLA0 and PLA2 after different isothermal crystallization temperatures.

Isothermal crystallization temperature/(°C)	PLA0			PLA2
	ΔHC0/(J/g)	ΔHM1/(J/g)	ΔHM2/(J/g)	ΔHC2/(J/g)	ΔHM1/(J/g)	ΔHM2/(J/g)
90	4.27	35.71	0	3.92	37.76	0
100	0	32.38	2.97	0	26.99	3.20
110	0	2.79	10.24	0	2.62	13.11
120	0	0	39.63	0	0	38.77