Skin-inspired hydrogel-elastomer hybrids with robust interfaces and functional microstructures.

Abstract:

:Inspired by mammalian skins, soft hybrids integrating the merits of elastomers and hydrogels have potential applications in diverse areas including stretchable and bio-integrated electronics, microfluidics, tissue engineering, soft robotics and biomedical devices. However, existing hydrogel-elastomer hybrids have limitations such as weak interfacial bonding, low robustness and difficulties in patterning microstructures. Here, we report a simple yet versatile method to assemble hydrogels and elastomers into hybrids with extremely robust interfaces (interfacial toughness over 1,000 Jm(-2)) and functional microstructures such as microfluidic channels and electrical circuits. The proposed method is generally applicable to various types of tough hydrogels and diverse commonly used elastomers including polydimethylsiloxane Sylgard 184, polyurethane, latex, VHB and Ecoflex. We further demonstrate applications enabled by the robust and microstructured hydrogel-elastomer hybrids including anti-dehydration hydrogel-elastomer hybrids, stretchable and reactive hydrogel-elastomer microfluidics, and stretchable hydrogel circuit boards patterned on elastomer.

journal_name

Nat Commun

journal_title

Nature communications

authors

Yuk H,Zhang T,Parada GA,Liu X,Zhao X

doi

10.1038/ncomms12028

subject

Has Abstract

pub_date

2016-06-27 00:00:00

pages

12028

issn

2041-1723

pii

ncomms12028

journal_volume

7

pub_type

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