Table 2. Pore Characteristic Features of Different Samples.
| nitrogen
adsorption |
mercury
intrusion porosimetry |
|||||
|---|---|---|---|---|---|---|
| crosslinker content (vol %) | SBETa(m2 g–1) | PVBETb(cm3 g–1) | average pore diameter (nm) | total surface area (m2 g–1) | PVMIPc(cm3 g–1) | average pore diameter (μm) |
| 0.2 | 3.5 | 0.7*10–3 | 12.5 | 11.2 | 23.8 | 80.8 |
| 0.5 | 4.8 | 0.9*10–3 | 7.0 | 8.8 | 19.1 | 78.2 |
a
Surface area calculated from the nitrogen adsorption isotherms at 77.3 K using the BET method.
b
Pore volume calculated from the nitrogen adsorption isotherms at P/P0 = 0.99, 77.3 K.
c
Pore volume calculated from mercury intrusion porosimetry.