3D Printing of Transparent and Conductive Heterogeneous Hydrogel–Elastomer Systems Article Swipe

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Materials science Elastomer Fabrication Composite material Electrical conductor Extrusion Inkwell Resistive touchscreen Engineering Medicine Alternative medicine Pathology Electrical engineering

Kevin Tian , Jinhye Bae , Shannon E. Bakarich , Canhui Yang , Reece D. Gately , Geoffrey M. Spinks , Marc in het Panhuis , Zhigang Suo , Joost J. Vlassak ·

YOU? · · 2017 · Open Access · · DOI: https://doi.org/10.1002/adma.201604827 · OA: W2575293414

A hydrogel-dielectric-elastomer system, polyacrylamide and poly(dimethylsiloxane) (PDMS), is adapted for extrusion printing for integrated device fabrication. A lithium-chloride-containing hydrogel printing ink is developed and printed onto treated PDMS with no visible signs of delamination and geometrically scaling resistance under moderate uniaxial tension and fatigue. A variety of designs are demonstrated, including a resistive strain gauge and an ionic cable.