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Title: Self-adaptive water vapor permeability and its hydrogen bonding switches of bio-inspired polymer thin films
Authors: Hu, JL 
Wu, Y 
Zhang, CL 
Tang, BZ
Chen, SJ
Issue Date: 2017
Publisher: Chinese Ceramic Society
Source: Materials chemistry frontiers, 2017, v. 1, no. 10, p. 2027-2030 How to cite?
Journal: Materials chemistry frontiers 
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.
EISSN: 2052-1537
DOI: 10.1039/c7qm00170c
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