Issue 10, 2017

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

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

Supplementary files

Article information

Article type
Research Article
Submitted
18 Apr 2017
Accepted
08 Jun 2017
First published
15 Jun 2017

Mater. Chem. Front., 2017,1, 2027-2030

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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