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

Jinlian Hu, You Wu, Cuili Zhang, Ben Zhong Tang, Shaojun Chen

Research output: Journal article publicationJournal articleAcademic researchpeer-review

29 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)2027-2030
Number of pages4
JournalMaterials Chemistry Frontiers
Volume1
Issue number10
DOIs
Publication statusPublished - 1 Oct 2017

ASJC Scopus subject areas

  • Materials Chemistry
  • General Materials Science

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