Thermal performances of PI-M6 and molecular weights of PAAs.
| PIs | T g a (°C) | T d5 b (°C) | T d10 b (°C) | R w c (%) | M n d (× 10−4) | M w d (× 10−4) | M w/Mn |
|---|---|---|---|---|---|---|---|
| PI0-M6 | 244.6 | 512.1 | 550.5 | 54.7 | 12.09 | 23.15 | 1.91 |
| PI1-M6 | 228.5 | 436.2 | 484.4 | 56.6 | 3.29 | 7.07 | 2.14 |
| PI2-M6 | 208.6 | 427.6 | 444.8 | 51.9 | 2.61 | 5.70 | 2.19 |
| PI3-M6 | 194.1 | 420.3 | 436.1 | 47.3 | 1.77 | 4.05 | 2.28 |
a
From the second DSC heating scan at a heating rate of 20 °C min−1 in nitrogen.
b
Temperatures corresponding to 5% and 10% weight losses by thermogravimetry at a heating rate of 20 °C min−1 in nitrogen.
c
Residual weight% at 700 °C.
d
Measured by GPC in DMF; polystyrene was used as a standard.