Issue 18, 2023

3D-printed ketoenamine crosslinked polyrotaxane hydrogels and their mechanochromic responsiveness

Abstract

A ketoenamine-based dynamic covalent crosslinker was introduced to α-cyclodextrin-based polypseudorotaxanes, forming viscoelastic hydrogels for direct-ink-write 3D printing. The irreversible enol–keto tautomerization imparts high chemical stability to the extensively crosslinked polyrotaxane hydrogels, which showed mechanochromic responsiveness in the presence of the integrated fluorophores.

Graphical abstract: 3D-printed ketoenamine crosslinked polyrotaxane hydrogels and their mechanochromic responsiveness

Supplementary files

Article information

Article type
Communication
Submitted
27 মার্চ 2023
Accepted
21 এপ্রিল 2023
First published
24 এপ্রিল 2023

Polym. Chem., 2023,14, 2159-2163

Author version available

3D-printed ketoenamine crosslinked polyrotaxane hydrogels and their mechanochromic responsiveness

D. Zheng, M. Tang and C. Ke, Polym. Chem., 2023, 14, 2159 DOI: 10.1039/D3PY00337J

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