Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/1578
Title: Preparation and characterization of pH-sensitive semi-interpenetrating network hybrid hydrogels with sodium humate and kaolin
Authors: Yılmaz, Elif
Kaya Güzel, Gülcihan
Deveci, Hüseyin
Keywords: Hybrid Hydrogel
Semi-Ipn
Ph-Sensitive
Kaolin
Sodium Humate
Semi-Ipn Hydrogels
Nanocomposite Hydrogels
Drug-Delivery
Superabsorbent Hydrogels
Biomedical Applications
Responsive Hydrogels
Composite Hydrogel
Controlled-Release
Aqueous-Solution
Cationic Dye
Publisher: ELSEVIER SCIENCE BV
Abstract: Poly(acrylamide-co-methacrylic acid) semi-interpenetrating network (semi-IPN) hybrid hydrogels including sodium humate and kaolin were successfully synthesized as confirmed with X-ray diffraction (XRD) and Fourier transforms infrared spectroscopy (FTIR) analyses. Scanning electron microscopy (SEM) analysis indicated uniform dispersed morphology of the hydrogels. It was specified with thermogravimetric-derivative thermogravimetric analysis (TGA-DTG) that the addition of kaolin provided to increase thermal decomposition temperatures of the hydrogels. The semi-IPN hybrid hydrogel exhibited highest equilibrium swelling percent (ESP) of 28,700% and 3440% in distilled water and 0.1 M NaCl, respectively. The hydrogels had better swelling behavior in basic medium compared to acidic medium. While the ESP value of semi-IPN hybrid hydrogel was about 1590% at pH 2, it was determined as 7046% at pH 9. Each hydrogel showed non-Fickian type diffusion and excellent biocompatibility (> 0.94). The results suggested that the obtained pH-sensitive semi-IPN hydrogels with unique properties can be used as biomaterial, adsorbent, membrane, sensor component and so on.
URI: https://doi.org/10.1016/j.clay.2018.06.032
https://hdl.handle.net/20.500.13091/1578
ISSN: 0169-1317
1872-9053
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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