Research Article

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

Table 4

Values of parameters characterizing relaxation properties of polyester materials.

Composition 𝑇 𝑔 (°C) 𝑇 𝛽 (°C) G m i n a (MPa)

I76.5−61.38
II75.5−643
III75.6−60.111
IV76.5−58.215
(excess at 93.3)
V75.7−60.710
VI75.9−60.113
(excess at 90.3)

a G m i n is dynamic shear modulus at 90–95°C.