What question did this study set out to answer?

This research aims to develop a stretchable ionic hydrogel with excellent mechanical properties and self-adhesiveness.

February 5, 2026Polymer Chemistry1 citations

Mechanically robust gluconate-regulated polydopamine-polyacrylamide hydrogel with exceptional adhesion

ZWZhongyang WangUniversity of Jinan CYChengcheng YinUniversity of Jinan QMQiaoyu MaUniversity of Jinan

Key Points

This research aims to develop a stretchable ionic hydrogel with excellent mechanical properties and self-adhesiveness.
Synthesis of polydopamine-polyacrylamide hydrogel
Incorporation of gluconate as a regulatory agent
Assessment of mechanical properties and adhesion capabilities
The hydrogel displayed high intrinsic conductivity
Significantly improved mechanical strength compared to existing hydrogels
Exhibited strong self-adhesiveness on various surfaces

Abstract

Achieving intrinsic conductivity, excellent mechanical properties, and self-adhesiveness simultaneously in a stretchable ionic hydrogel is critical for ionotronics, yet it continues to be a major hurdle in the field. Here,...

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