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Issue 10, 2017
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Self-adaptive water vapor permeability and its hydrogen bonding switches of bio-inspired polymer thin films

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Abstract

Developing materials with self-adaptive water vapor permeability is fueled with industrial demands. Polymers have enabled such a behavior with thermal-responsive water vapor permeability reported in the literature, but little work is reported on the moisture-sensitive water vapor permeability which is even more important for many applications, such as clothing comfort, since sweating can be enormous when actively exercising in the cold. In this paper, a polymer inspired by a leaf guard-cell and designed by introducing supramolecular hydrogen-bonding switches and moisture-sensitive self-adaptive water vapor permeability has been achieved. It is suggested that hydrogen bonding can become a moisture-responsive switch when its bonding energy is smaller than the energy between the water molecule and the switch itself, but much bigger than that of water.

Graphical abstract: Self-adaptive water vapor permeability and its hydrogen bonding switches of bio-inspired polymer thin films

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Publication details

The article was received on 18 Apr 2017, accepted on 08 Jun 2017 and first published on 15 Jun 2017


Article type: Research Article
DOI: 10.1039/C7QM00170C
Citation: Mater. Chem. Front., 2017,1, 2027-2030
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    Self-adaptive water vapor permeability and its hydrogen bonding switches of bio-inspired polymer thin films

    J. Hu, Y. Wu, C. Zhang, B. Z. Tang and S. Chen, Mater. Chem. Front., 2017, 1, 2027
    DOI: 10.1039/C7QM00170C

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