Table 2 Interpretations of characteristic signals on DSC and DMA temperature scan responses.

−130 to −100

Slope change in baseline (ΔC_p > 0.5 J⁻¹g⁻¹ °C)

E” and tanδ peak (truncated)

γ transition (relaxation of methylene groups)^28,31,62,63

−40 to 0

Slope change

Broad E” and tanδ peaks

β transition, glass transition (segmental relaxation within interfacial region)^{28,30,31,32,64}

Near 15

-

Tanδ shoulder

Relaxation of rigid amorphous fraction^63,65

40 to 50

Endothermic peak in the first heating cycle

-

Melting of imperfect EVA crystals⁶²

Near 90

Broad endothermic peak

Onset of softening

EVA melting

Near 110

Small endothermic peak

-

PE melting*

Near 165

Small endothermic peak

-

EVOH melting