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Open AccessArticle

Antibacterial Superabsorbent Polymers from Tara Gum Grafted Poly(Acrylic acid) Embedded Silver Particles

by 1,2, 1,2, 1,2, 1,2, 1,2 and 1,2,*
1
Key Laboratory of Bio-Based Materials Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China
2
Research Center of Wood Bionic Intelligent Science, Northeast Forestry University, Harbin 150040, China
*
Author to whom correspondence should be addressed.
Polymers 2018, 10(9), 945; https://doi.org/10.3390/polym10090945
Received: 27 June 2018 / Revised: 22 August 2018 / Accepted: 23 August 2018 / Published: 24 August 2018
(This article belongs to the Special Issue Antimicrobial Polymers)
Tara gum/silver composite superabsorbent polymers were synthesized with tara gum grafted poly(acrylic acid), using K2S2O8 (KPS) as an initiator and N,N′-methylenebisacrylamide (MBA) as a cross-linker. The products were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscope (TEM), scanning electron microscope (SEM) and X-ray photoelectron spectroscopy (XPS). The results showed that the silver ions were partially reduced to Ag0 and the amorphous nanoparticles containing Ag0 and Ag2O were around 10~50 nm in size The tara gum/silver composite superabsorbent polymers exhibited an interconnected porous structure with strong water absorption capacity. The swelling ratio of each product could reach 473 g/g in distilled water and 62 g/g in 0.9% NaCl solution. The antimicrobial activity of the samples against Staphylococcus aureus and Escherichia coli increased with the addition of AgNO3 from 0 to 125 mg. This work indicates that the developed tara gum/silver composite superabsorbent polymers can be potentially used for biomedical applications. View Full-Text
Keywords: superabsorbent polymers; tara gum; silver; antibacterial properties superabsorbent polymers; tara gum; silver; antibacterial properties
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MDPI and ACS Style

Chi, M.; Liu, C.; Shen, J.; Dong, Z.; Yang, Z.; Wang, L. Antibacterial Superabsorbent Polymers from Tara Gum Grafted Poly(Acrylic acid) Embedded Silver Particles. Polymers 2018, 10, 945. https://doi.org/10.3390/polym10090945

AMA Style

Chi M, Liu C, Shen J, Dong Z, Yang Z, Wang L. Antibacterial Superabsorbent Polymers from Tara Gum Grafted Poly(Acrylic acid) Embedded Silver Particles. Polymers. 2018; 10(9):945. https://doi.org/10.3390/polym10090945

Chicago/Turabian Style

Chi, Mingfang; Liu, Chang; Shen, Jie; Dong, Zhehai; Yang, Zi; Wang, Lijuan. 2018. "Antibacterial Superabsorbent Polymers from Tara Gum Grafted Poly(Acrylic acid) Embedded Silver Particles" Polymers 10, no. 9: 945. https://doi.org/10.3390/polym10090945

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