Figure 2.
Chemical structures of the ILs used to form ABS: [C2C1im][CF3SO3] (i), [C4C1im][CF3SO3] (ii), [C4C1im][Tos] (iii), [Pi(444)1][Tos] (iv), [P4441][CH3SO4] (v), [P4444]Br (vi), and [P4444]Cl (vii).
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