Issue 16, 2015

Highly thermally stable hydrogels derived from monolayered two-dimensional supramolecular polymers

Abstract

It has been predicted that the properties of materials are dramatically influenced if their structures are confined to two-dimensional (2D) space. A representative example is graphene. However, for synthetic 2D materials, such influences have rarely been demonstrated. In this work, a rare example of how a 2D monolayer structure can impact the properties of bulk materials has been demonstrated by the construction of 2D supramolecular polymers (SPs) and their utilization in the fabrication of hydrogels. Maintaining the intrinsic 2D structures, the as-prepared hydrogels exhibited exceptional thermal stabilities (>180 °C), as revealed by an inversion test and a variable-temperature rheological study. The microstructures and morphologies of the 2D SPs have been extensively characterized by NMR spectroscopy, dynamic light scattering, small-angel X-ray scattering, transmission electron microscopy and atomic force microscopy. Furthermore, molecular dynamic simulations were also performed to shed light on the formation mechanism of the hydrogels.

Graphical abstract: Highly thermally stable hydrogels derived from monolayered two-dimensional supramolecular polymers

Supplementary files

Article information

Article type
Paper
Submitted
18 Jan 2015
Accepted
18 Feb 2015
First published
19 Feb 2015
This article is Open Access
Creative Commons BY-NC license

Polym. Chem., 2015,6, 3018-3023

Author version available

Highly thermally stable hydrogels derived from monolayered two-dimensional supramolecular polymers

T. Zhou, Q. Qi, Q. Zhao, J. Fu, Y. Liu, Z. Ma and X. Zhao, Polym. Chem., 2015, 6, 3018 DOI: 10.1039/C5PY00072F

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