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Thermoplastic performance and self-healing ability of PVA-HEDP hydrogels. (a) Thermoplastic behavior of PVA-HEDP hydrogels, (b) Self-healing process of the hydrogel, (c) Tensile stress–strain curves of PVA-HEDP hydrogel before and after self-healing, (d) Compressive stress-strain curves before and after self-healing.
