Harnessing Chain Mobility via Protonation for Tough and Isotropic Hydrogel.

Since the high flexibility of acidified PVA molecules should allow for better packing of chains in the salting‐out process, a decreasing trend of crystallinity of PVA‐FT gels is observed—all PVA‐SO gels have improved crystallinity compared to their PVA‐FT gel counterparts, while a higher HCl concentration translates to higher crystallinity in PVA‐SO gels (Figure 4g ; Figure S17 ).

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