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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 4/2018

28.02.2018 | Original Contribution

Construction of high-strength p(HEMA-co-AA) fluorescent hydrogels based on modified carbon dots as chemically crosslinkers

verfasst von: Jianying Wang, Xiaofei Ma, Lai Wei, Xiang Zhu, Yuhua Zhu, Gang Wang, Tao Mei, Jinhua Li, Xianbao Wang

Erschienen in: Colloid and Polymer Science | Ausgabe 4/2018

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Abstract

A novel kind of p(HEMA-co-AA) fluorescent hydrogels with high strength are first generated through one-step photopolymerization of 2-hydroxyethyl methacrylate (HEMA), acrylic acid (AA), and HEMA-modified carbon dots (HMCDs). Herein, HMCDs are used as new nontoxic fluorescent crosslinking centers. The novel HMCDs-based fluorescent hydrogels not only display stable photoluminescence, but have high mechanical strength. The fluorescent properties of the HMCDs-based hydrogel films are similar as that of CDs solution and stable for a prolonged duration. Besides, the fluorescent intensity of HMCDs-based hydrogels can be changed by controlling the HMCD content. The tensile strength of the fluorescent hydrogels with 1 wt% HMCD content can reach up to ~ 12 MPa, higher than that of the conventional hydrogels. More importantly, the mechanical properties can be adjusted by changing the water content and HMCD content. The enhanced mechanical strength is probably attributed to the relatively ordered hierarchical microstructure.
Vorheriger Artikel Preparation and morphology characterization of core-shell water-dispersible polystyrene/poly(3,4-ethylenedioxythiophene) microparticles
Nächster Artikel Advanced two-step cryopolymerization to form superporous thermosensitive PNIPA/clay gels with unique mechanical properties and ultrafast swelling-deswelling kinetics

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Metadaten
Titel
Construction of high-strength p(HEMA-co-AA) fluorescent hydrogels based on modified carbon dots as chemically crosslinkers
verfasst von
Jianying Wang
Xiaofei Ma
Lai Wei
Xiang Zhu
Yuhua Zhu
Gang Wang
Tao Mei
Jinhua Li
Xianbao Wang
Publikationsdatum
28.02.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 4/2018
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-018-4287-x

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