Report copyright - · S-6 4 6 .6 C Fig. S8. DSC curve of PU film. 8 s 2 6 s 3 7 s 1 2 7 s 1 0 1 s 6 4 s 4 2 s 0 s (1 4 6 s ) Fig. S9.ofSnapshots of color-changing process of composite film with applied
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