Self-Healable, Solvent Response Cellulose Nanocrystal/Waterborne Polyurethane Nanocomposites with Encryption Capability

Rui Xue; Hui Zhao; Ze-Wei An; Wei Wu; Yan Jiang; Peng Li; Chong-Xing Huang; Dean Shi; Robert K. Y. Li; Guo-Hua Hu; Shuang-Fei Wang

doi:10.1021/acsnano.2c11809

Author(s)

Rui Xue
Hui Zhao
Ze-Wei An
Yan Jiang
Peng Li
Chong-Xing Huang
Dean Shi
Robert K. Y. Li
Guo-Hua Hu
Shuang-Fei Wang

Related Research Unit(s)

Department of Materials Science and Engineering

Detail(s)

Original language	English
Pages (from-to)	5653–5662
Journal / Publication	ACS Nano
Volume	17
Issue number	6
Online published	10 Mar 2023
Publication status	Published - 28 Mar 2023

Link(s)

DOI	DOI https://doi.org/10.1021/acsnano.2c11809 Final Published version
	Check@CityULib
Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-85149939328&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(daee908c-24cb-421f-9c89-7295b5f2f9ef).html

Abstract

Cellulose nanocrystal (CNC)-based chiral nematic structure is widely used in stimulus response and sensing. A popular area of research is enhancing the mechanical characteristics and environmental adaptability of chiral nematic materials. In this paper, a flexible photonic film with selfhealing ability (FPFS) was prepared by combining waterborne polyurethane containing dynamic covalent disulfide bonds (SSWPU) with CNC. The results found that the FPFS showed excellent toughness under the action of stretching, bending, twisting, and folding. The FPFS exhibited an amazing selfhealing efficiency, which can be self-healed within 2 h at room temperature. Moreover, the FPFS could respond immediately and produce reversible color change when it was soaked in typical solvents. In addition, when ethanol was used as ink to paint on the FPFS, a visible pattern only under polarized light was formed. This study offers fresh perspectives in the areas of self-healing, biological anticounterfeiting, solvent response, and flexible photonic materials. © 2023 American Chemical Society

Research Area(s)

cellulose nanocrystal, waterborne polyurethane, chiral nematic, self-healing, flexible photonic materials, solvents response, anticounterfeiting, ELASTOMERS, FILMS

Citation Format(s)

[ RIS ] [ BibTeX ]

Self-Healable, Solvent Response Cellulose Nanocrystal/Waterborne Polyurethane Nanocomposites with Encryption Capability. / Xue, Rui; Zhao, Hui; An, Ze-Wei et al.
In: ACS Nano, Vol. 17, No. 6, 28.03.2023, p. 5653–5662.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Xue, R, Zhao, H, An, Z-W, Wu, W, Jiang, Y, Li, P, Huang, C-X, Shi, D, Li, RKY, Hu, G-H & Wang, S-F 2023, 'Self-Healable, Solvent Response Cellulose Nanocrystal/Waterborne Polyurethane Nanocomposites with Encryption Capability', ACS Nano, vol. 17, no. 6, pp. 5653–5662. https://doi.org/10.1021/acsnano.2c11809

Xue, R., Zhao, H., An, Z.-W., Wu, W., Jiang, Y., Li, P., Huang, C.-X., Shi, D., Li, R. K. Y., Hu, G.-H., & Wang, S.-F. (2023). Self-Healable, Solvent Response Cellulose Nanocrystal/Waterborne Polyurethane Nanocomposites with Encryption Capability. ACS Nano, 17(6), 5653–5662. https://doi.org/10.1021/acsnano.2c11809

Xue R, Zhao H, An ZW, Wu W, Jiang Y, Li P et al. Self-Healable, Solvent Response Cellulose Nanocrystal/Waterborne Polyurethane Nanocomposites with Encryption Capability. ACS Nano. 2023 Mar 28;17(6):5653–5662. Epub 2023 Mar 10. doi: 10.1021/acsnano.2c11809

Xue, Rui ; Zhao, Hui ; An, Ze-Wei et al. / Self-Healable, Solvent Response Cellulose Nanocrystal/Waterborne Polyurethane Nanocomposites with Encryption Capability. In: ACS Nano. 2023 ; Vol. 17, No. 6. pp. 5653–5662.