Novel stimuli-responsive hydrogels derived from morpholine: synthesis, characterization and absorption uptake of textile azo dye

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dc.contributor.authorIlgin, Pinar
dc.contributor.authorÖzay, Özgür
dc.date.accessioned2025-01-27T20:14:25Z
dc.date.available2025-01-27T20:14:25Z
dc.date.issued2017
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractA new cationic monomer methacrylamido-4-(2-aminoethyl) morpholine, (MAEM) derived from morpholine was synthesized in a single step and characterized by FTIR, H-1 and C-13 NMR analyses. Through free radical aqueous polymerization, novel copolymeric hydrogels have been prepared successfully using methacrylamido-4-(2-aminoethyl) morpholine and acrylamide (Aam) as monomers. Later on SEM, FTIR, elemental analysis and TG instruments were used to characterize the obtained poly(acrylamide-co-methacrylamido-4-(2-aminoethyl) morpholine), poly(Aam-c-MAEM), hydrogels. Poly(Aam-c-MAEM) hydrogels were tested for swelling, diffusion and uptake of reactive orange, RO, anionic dye. In this regard, various adsorption kinetics and isotherm models as well as operation parameters were systematically examined and discussed in detail in relation to adsorption uptake such as pH of media, comonomer composition, adsorbent dosage, temperature, initial dye concentration and contact time. The description of adsorption process of RO on hydrogels was consistent with the pseudo-second-order model followed by Elovich and pseudo-first-order. The best fitting adsorption model was selected on the basis of R-2, in the order of: Temkin > D-R > Langmuir > Freundlich isotherm. The results obtained in this study demonstrate that poly(Aam-c-MAEM) hydrogels provide an excellent advantage for application of this hydrogel system in the removal of anionic textile dyes from wastewater.
dc.identifier.doi10.1007/s13726-017-0528-y
dc.identifier.endpage404
dc.identifier.issn1026-1265
dc.identifier.issn1735-5265
dc.identifier.issue6
dc.identifier.scopus2-s2.0-85020868636
dc.identifier.scopusqualityQ2
dc.identifier.startpage391
dc.identifier.urihttps://doi.org/10.1007/s13726-017-0528-y
dc.identifier.urihttps://hdl.handle.net/20.500.12428/21084
dc.identifier.volume26
dc.identifier.wosWOS:000405416800001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofIranian Polymer Journal
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectHydrogel
dc.subjectReactive orange
dc.subjectSwelling and adsorption parameters
dc.subjectKinetics
dc.subjectIsotherms
dc.titleNovel stimuli-responsive hydrogels derived from morpholine: synthesis, characterization and absorption uptake of textile azo dye
dc.typeArticle

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