Real time quantification of the chemical cross-link density of a hydrogel by in situ UV-vis spectroscopy
Literature Information
Publication Date
2015-04-29
DOI
10.1039/C5PY00513B
Impact Factor
5.582
Authors
Xiaomin Kang, You Yu, Yu Bao, Wanhao Cai, Shuxun Cui
View Original
Abstract
In this paper, we prepare a hydrogel in a green method via the redox reaction between phenol groups and Eosin Y by visible light irradiation. Eosin Y shows significant absorption at 515 nm while the reduced product does not. A series of control experiments show that almost 100% of the consumed Eosin Y reacted with phenol groups to form cross-link points. On the basis of the two results, the chemical cross-link density can be easily determined quantitatively by UV-vis spectroscopy. With this method, specimens from the state of the starting solution to solid gel can be measured in situ and in real time without any pretreatment. The result obtained by this new method is proved by traditional rheological measurements.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
1,3(2H,4H)-Isoquinolinedione, 7-amino-4,4-dimethyl-
CAS Number:
14576-22-8
Molecular Formula:
C11H12N2O2
![N-[2-(4-Hydroxyphenoxy)-4-nitrophenyl]methanesulfonamide structure](https://static.chemtradehub.com/structs/109/109032-22-6-7c88.webp "N-[2-(4-Hydroxyphenoxy)-4-nitrophenyl]methanesulfonamide structure")
N-[2-(4-Hydroxyphenoxy)-4-nitrophenyl]methanesulfonamide
CAS Number:
109032-22-6
Molecular Formula:
C13H12N2O6S
2,2-dideuterio-2-(3,4,5,6-tetradeuterio-2-pyridyl)acetic acid;hydrochloride
CAS Number:
1329799-67-8
Molecular Formula:
C7H2ClD6NO2
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