Effect of Fullerene Derivates on Thermal and Crystallization Behavior of PBT/Decylamine-C_𝟔𝟎 and PBT/TCNEO-C_𝟔𝟎 Nanocomposites

Table 3

DSC parameters obtained during the second heating for PBT, PBT/DA-C₆₀, and PBT/TCNEO-C₆₀ nanocomposites, respectively.

Material with weight contents of fullerene derivate	Onset of melting; 𝑇1 [K]	Melting peak first; 𝑇2 [K]	Melting peak second; 𝑇3 [K]	Completion of melting; 𝑇4 [K]	Peak width 𝑇4-𝑇1 [K]	The melting enthalpy Δ𝐻𝑚 [J/g]	The estimated value of the crystallinity; 𝜒𝑐 [%]
Virgin PBT	481	485	496	501	20	46	32
PBT/DA-C60 0.01% wt.	478	485	495	500	22	48	34
PBT/DA-C60 0.1% wt.	476	486	495	499	23	55	39
PBT/DA-C60 0.2% wt.	476	480	495	499	23	50	35
PBT/TCNEO-C60 0.2% wt.	475	485	495	499	24	51	36