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Issue 41, 2017
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Bilayered polyurethane/dipole–dipole and H-bonding interaction reinforced hydrogels as thermo-responsive soft manipulators

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Abstract

Dipole–dipole and hydrogen-bonding interaction reinforced (DHIR) hydrogels that demonstrate both excellent thermo-responsive volume change and high mechanical strength have been developed. Their thermo-responsive volume change originates from the balance between the temperature-sensitive reversible dipole–dipole and H-bonding interaction and an embedded super-hydrophilic component. By integrating these thermal responsive DHIR hydrogels with non-swelling polyurethane (PU) hydrogels, bilayered (DHIR-PU) thermomorphic actuators capable of shape transformation have been fabricated. The hybrid DHIR-PU hydrogels have a wide temperature window allowing dual-responsive actuations to be achieved. The new hydrogel-based actuators are highly attractive materials for a range of transformative applications in soft robotics, medical devices and advanced manufacturing.

Graphical abstract: Bilayered polyurethane/dipole–dipole and H-bonding interaction reinforced hydrogels as thermo-responsive soft manipulators

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Publication details

The article was received on 29 Jul 2017, accepted on 18 Sep 2017 and first published on 19 Sep 2017


Article type: Paper
DOI: 10.1039/C7TB02028G
Citation: J. Mater. Chem. B, 2017,5, 8193-8199
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    Bilayered polyurethane/dipole–dipole and H-bonding interaction reinforced hydrogels as thermo-responsive soft manipulators

    H. Jia, Z. Huang, Z. Fei, P. J. Dyson, Z. Zheng and X. Wang, J. Mater. Chem. B, 2017, 5, 8193
    DOI: 10.1039/C7TB02028G

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