초록 |
The crosslinking density of a crosslinking agent can affect the performance of an ion-exchange membrane. This work compares a crosslinking membrane in glutaric dialdehyde (AVSH-GD) and a crosslinking membrane in glutaric acid (AVSH-GA). The two membranes were expected to perform differently. As predicted, the AVSH-GA exhibited a better performance than the AVSH-GD. The structures of the membranes were confirmed using fourier transform infrared spectroscopy (FT-IR). The thermal properties were examined via TGA and DSC. The basic functions of the membranes such as water uptake, ion exchange capacity and electrical resistance were measured. The chemical resistance, the degree of crosslinking and the tensile strength of the membranes were also evaluated. |