Table 1. Glass Transition Temperature of Some Noncrystalline Ionic Liquids.
| ionic liquids without liquid–solid phase transition | glass transition temperature | refs |
|---|---|---|
| [C3C1pyr][FTFSI] | –107 °C | (5) |
| [C4C1pyr][FTFSI] | –103 °C | (5) |
| [C1(2o1)pyr][FTFSI] | –104 °C | (5) |
| [C43C1py][BF4] | –76 °C | (6) |
| [C6C1im][BF4] | –79 °C | (6) |
| [C8C1im][BF4] | –81 °C | (6) |
| [C83C1py][NTf2] | –80 °C | (6) |
| [C43C1py][NTf2] | –84 °C | (6) |
| [C33C1py][NTf2] | –88 °C | (7) |
| [C8C1im][NTf2] | –84 °C | (6) |
| [C3C1im][C1SO4] | –92 °C | (8) |
| [C2C2im][C2SO4] | –82 °C | (8) |
| [C3C2im][C2SO4] | –97 °C | (8) |
| [C4C2im][C2SO4] | –84 °C | (8) |