A conductive self-healing hydrogel to create flexible sensors

https://phys.org/news/2023-06-self-healing-hydrogel-flexible-sensors.html

"polyvinyl alcohol, 4-carboxylbenzaldehyde double network skeleton, polyaniline flexible sensor self-healing... hydrophobic association PVA and CBA guarantees mechanical properties hydrogel sensor, and PANI electrical properties hydrogel sensor... CBA benzene ring substituted with aldehyde and carboxylic acid into PVA... maximum stress 4.35 Mpa, maximum strain 380%.... sensitivity 1.71 strain range 0–300, limit detection strain <1%, response time 158 ms, 1 min repair, self-healing rate 60%... wearables, robots"

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