Table 2 Temperatures of the DSC peaks of the free polymer and those incorporated with Al 3+ and Ti 4+
From: Synthesis of alumina, titania, and alumina-titania hydrophobic membranes via sol?gel polymeric route
Material | Endothermic peak temperature (?C) | Exothermic peak temperature (?C) | ||||||
|---|---|---|---|---|---|---|---|---|
| Â | First | Second | Third | Fourth | First | Second | Third | Fourth |
Free polymer | 85 | 217 | 334 | 389 | 420 | - | - | - |
+Al3+ | 102 | - | - | - | 207 | 388 | 508 | - |
+Al3+ and Ti4+ | 118 | 232 | - | - | 479 | 787 | - | - |
+Ti4+ | 106 | - | - | - | 433 | - | - | - |