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B Li
J Shen
L Wang

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B Li
J Shen
L Wang

International Research Journal of Public and Environmental Health
Vol.4 (2),pp. 30-35, February 2017
ISSN 2360-8803
Available online at
Article 17/ID/JPRH010/06 pages
Author(s) agree that this article remain permanently open access under the terms of the Creative Commons Attribution License 4.0 International License.

Original Research Article

Development of an antibacterial superabsorbent hydrogel based on tara gum grafted with polyacrylic acid

Bingjie Li1, Jie Shen1 and Lijuan Wang1,*

1College of Material Science and Engineering, Northeast Forestry University, Harbin, PR China

*Corresponding Author Email: donglinwlj(at)

Tel.: +86-451-8219-1693

date Received: January 10, 2017     date Accepted: January 17, 2017     date Published: February 24, 2017


An antimicrobial superabsorbent was prepared by grafting polyacrylic acid on tara gum and adding chitosan quaternary ammonium salt (2-N-Hydroxypropyl-3-trimethylammonium chloride chitosan, HTCC). The effect of the amount of HTCC on swelling ratio of the product was investigated. The product was characterized by Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The results showed that polyacrylic acid was successfully grafted on tara gum and a three-dimensional network structure was formed. The maximum swelling ratio in distilled water and 0.9 wt % NaCl solution reached 650 g/g and 65 g/g, respectively. The addition of HTCC increased the antibacterial property of superabsorbent against Staphylococcus aureus and Escherichia coli. The prepared antimicrobial superabsorbent will broaden the application field of tara gum and chitosan quaternary ammonium salt. This study provides a new path to prepare functional superabsorbent hydrogel.

Key words: Tara gum, chitosan quaternary ammonium salt, superabsorbent hydrogels, antibacterial properties

Li et al