.beta.-Cyclodextrin-epichlorohydrin polymer/graphene oxide nanocomposite: preparation and characterization

0489271 - ÚMCH 2019 RIV SK eng J - Článek v odborném periodiku
Heydari, A. - Sheibani, H. - Hronský, V. - Janigová, I. - Šlouf, Miroslav - Šiffalovič, P. - Chodák, I.
.beta.-Cyclodextrin-epichlorohydrin polymer/graphene oxide nanocomposite: preparation and characterization.
Chemical Papers. Roč. 72, č. 5 (2018), s. 1299-1313. ISSN 0366-6352
Institucionální podpora: RVO:61389013
Klíčová slova: beta-cyclodextrin * graphene oxide * hydrogels
Obor OECD: Polymer science
Impakt faktor: 1.246, rok: 2018

In this study, we report a novel and simple technique to synthesize water-insoluble nanocomposite macromolecule composed of graphene oxide (GO) nanosheets and beta-cyclodextrin (beta-CD) polymer. These nanocomposites were synthesized by the one-pot precipitation polymerization process via polycondensation of β-CD with epichlorohydrin (ECH) in an aqueous suspension of GO under alkaline condition. The obtained beta-CD polymer/GO (CDP-ECH/GO) were characterized by thermal gravimetry, differential scanning calorimetry, infrared and Raman spectroscopies, high-resolution solid state 13C NMR, X-ray diffraction, electron microscopy (both SEM and TEM), and energy dispersive spectroscopy. Furthermore, the mechanism of CDP-ECH/GO nanocomposites formation is also discussed depending on the type of mixing device that has been used during polymerization. The swelling ratio of the nanocomposites as well as their absorption properties toward methylene blue (MB), phenol (PN), 1-naphtol (1-NPH) and 2-naphtol (2-NPH) have been determined. Increasing the GO content in the nanocomposites results in an increase of the adsorption capacity of the materials.
Trvalý link: http://hdl.handle.net/11104/0283715