Logarithm of the normalized storage shear modulus (log G′T/G′200, where G′200 corresponds to the experimental value measured at 200 K) versus temperature at 1 Hz for tunicin whiskers reinforced poly(S-co-BuA) nanocomposite films obtained by water evaporation and filled with 0 (⬤), 1 (⚪), 3 (▲), 6 (△) and 14 wt% (◆) of cellulose whiskers [140].