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Flexible and Actuating Nanoporous Poly(Ionic Liquid)–Paper-Based Hybrid Membranes

MPS-Authors
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Lin,  Huijuan
Jiayin Yuan, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Gong,  Jiang
Jiayin Yuan, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Miao,  Han
Jiayin Yuan, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Guterman,  Ryan
Jiayin Yuan, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Zhao,  Qiang
Jiayin Yuan, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Dunlop,  John W. C.
John Dunlop, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Yuan,  Jiayin
Jiayin Yuan, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Citation

Lin, H., Gong, J., Miao, H., Guterman, R., Song, H., Zhao, Q., et al. (2017). Flexible and Actuating Nanoporous Poly(Ionic Liquid)–Paper-Based Hybrid Membranes. ACS Applied Materials and Interfaces, 9(17), 15148-15155. doi:10.1021/acsami.7b02920.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002C-F22A-3
Abstract
Porous and flexible actuating materials are important in the development of smart systems. We report here a facile method to prepare scalable, flexible actuating porous membranes based on a poly(ionic liquid)-modified tissue paper. The targeted membrane property profile was based on a synergy of a gradient porous structure of poly(ionic liquid) network and the flexibility of tissue paper. The gradient porous structure was built up through ammonia-triggered electrostatic complexation of a poly(ionic liquid) with poly(acrylic acid) (PAA) that were previously impregnated inside the tissue paper. As a result, these porous membranes undergo bending deformation in response to organic solvents in vapor or liquid phase and can recover their shape back in air, which was demonstrated to be able to serve as solvent sensors. Besides, they show enhanced mechanical properties due to the introduction of mechanically flexible tissue paper that allows the membranes to be designed as new responsive textiles and contractile actuators.