Table 1 Comparison of commercial polymers with the novel ultrathin polyimide foils.

The table summarizes the most important parameters involved in our study, such as thickness (t), glass transition temperature (Tg), melting temperature (Tm), breaking temperature (Tbr), and cross-sectional area (A).

Polymert (μm)Tg (°C)Tm (°C)Tbr (°C)A (m2)
PET10073.3 (38)250 (38)752 × 10−6
PEEK100145 (39)340 (39)1502 × 10−6
Mylar2.573.3 (38)250 (38)1405 × 10−8
This work1.73003253444 × 10−8