Effect of Nanodisperse Carbon Fillers and Isocyanate Chain Extender on Structure and Properties of Poly(ethylene terephthalate)

Table 3

DSC values for polyester materials.

Composition	𝑇𝑐cr; (°C)	Δ𝐻𝑐cr; (J/g)	𝑇𝑚^a; (°C)	𝑇acr; (°C)	Δ𝐻acr; (J/g)
I	130.4	28.2	253.3	194.4	27.7
II	132.3	17.2	248.4	187.7	22.3
III	126.1	12.5	245.0	197.0	35.4
IV	128.3	13.0	246.8	197.6	37.2
V	127.6	9.8	248.9	188.2	35.8
VI	125.8	12.1	244.0	192.9	39.8

^aThe values were obtained after repeated heating (cooling) of samples.