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Hydrogel/Elastomer Laminates Bonded via Fabric Interphases for Stimuli-Responsive Actuators

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Title: Hydrogel/Elastomer Laminates Bonded via Fabric Interphases for Stimuli-Responsive Actuators
Authors: Hubbard, Amber M. Browse this author
Cui, Wei Browse this author
Huang, Yiwan Browse this author
Takahashi, Riku Browse this author
Dickey, Michael D. Browse this author
Genzer, Jan Browse this author
King, Daniel R. Browse this author
Gong, Jian Ping Browse this author →KAKEN DB
Issue Date: 4-Sep-2019
Publisher: Elsevier
Journal Title: Matter
Volume: 1
Issue: 3
Start Page: 674
End Page: 689
Publisher DOI: 10.1016/j.matt.2019.04.008
Abstract: The human body is composed of composite structures made of water-rich hydrophilic domains and hydrophobic barriers. Combining hydrogels with elastomers results in similar synthetic biomaterials applicable to fields ranging from stretchable electronics to actuators. Here, we report a method to combine hydrogels with elastomers via a glass fiber fabric interphase. The interphase plays two roles: it enables chemically different materials to be robustly bound without chemical treatment while also dramatically improving the mechanical properties of the composite. Maximum interfacial adhesion energies of similar to 1,000 N m(-1) between the hydrogel and fabric and similar to 360 N m(-1) between the elastomer and fabric approach adhesion values of chemically bound soft materials. The composite tearing toughness (143 kJ m(-2)) vastly exceeds that of all neat components. In these materials, Young's modulus is high (similar to 1.2 GPa), while bending modulus is low (similar to 7 MPa), resulting in structures that can serve as actuators through controlled solvent exposure.
Type: article
Appears in Collections:生命科学院・先端生命科学研究院 (Graduate School of Life Science / Faculty of Advanced Life Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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