Development and characterization of laponite-enhanced tannic acid-based hydrogels

[Display omitted] •Laponite nanoparticles enhances the compressive strength of tannic acid hydrogel.•TEMED can significantly decrease the elongation of the hydrogel.•The tannic acid-based hydrogel has microporous structures. Hydrogels have received significant attention due to their potential biomed...

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Bibliographic Details
Published in:Materials letters 2023-05, Vol.339, p.134116, Article 134116
Main Authors: Wen, Nolan, Qian, Enze, Kang, Yunqing
Format: Article
Language:English
Subjects:
Adhesion
Hydrogel
Pectin
Stretchability
Tannic acid
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Summary:[Display omitted] •Laponite nanoparticles enhances the compressive strength of tannic acid hydrogel.•TEMED can significantly decrease the elongation of the hydrogel.•The tannic acid-based hydrogel has microporous structures. Hydrogels have received significant attention due to their potential biomedical applications. The purpose of this study was to develop and characterize a new hydrogel system with tunable stretchability and adhesive properties. The hydrogel was prepared with a one-pot method with acrylamide and natural plant derived materials (pectin and tannic acid) crosslinked with ammonium persulfate, N, N'-methylenebisacrylamide, and iron chloride with or without tetramethylethylenediamine. Results showed that the incorporation of laponite powders significantly increased compressive strength and stability of the hydrogel but reduced its stretchability. The newly developed hydrogel formulations show tunable mechanical properties and good adhesion, which bring great potentials in various biomedical applications.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2023.134116