ENVIRONMENTALLY FRIENDLY ENZYME-CATALYZED POLYMERIZATION OF A NOVEL PHENOXY-KETIMINE

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dc.authoridSAHIN ISGIN, ELIF/0000-0003-3589-8300
dc.authoridSahmetlioglu, Ertugrul/0000-0002-7324-0385
dc.contributor.authorTapan, Senem
dc.contributor.authorSahmetlioglu, Ertugrul
dc.contributor.authorDemir, Haci Okkes
dc.contributor.authorTurac, Ersen
dc.contributor.authorSahin, Elif
dc.date.accessioned2024-11-07T13:34:16Z
dc.date.available2024-11-07T13:34:16Z
dc.date.issued2017
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractThe monomer with ketimine side group, 2-(1-(benzylimino) ethyl) phenol (2-BEP), was synthesized from the condensation of 2-hydroxyacetophenone and benzyl amine. The enzymatic oxidative polymerization of 2-BEP was performed in the presence of hydrogen peroxide using horseradish peroxidase (HRP) as catalyst. The oxidation reaction was carried out in various solvents and phosphate buffers at room temperature. These studies have shown that a dark brown polymer was successfully synthesized by utilizing aqueous methanol as the cosolvent at pH 7.0. Poly(2-BEP) shows good solubility in DMF and DMSO, but it is insoluble in THF, methanol, water, acetone and chloroform. Characterization of poly(2-BEP) was carried out via UV-vis, FT-IR, H-1-NMR, C-13-NMR and GPC techniques. The number-average molecular weight (M-n), weight-average molecular weight (M-w) and polydispersity index (PDI) of the polymer were determined to be 1157.4 g mol(-1), 2039.6 g mol(-1) and 1.76, respectively. FTIR and H-1-NMR studies confirmed the presence of phenylene and oxyphenylene units within the polymer backbone. The optical band gaps (E-g) of 2-BEP and poly(2-BEP) were calculated as 4.10 eV and 3.86 eV, respectively.
dc.description.sponsorshipResearch Foundation of Nigde Omer Halisdemir University (Nigde-Turkey) [FEB 2011-06]
dc.description.sponsorshipThis work was partially supported by the Research Foundation of Nigde Omer Halisdemir University (FEB 2011-06) (Nigde-Turkey).
dc.identifier.endpage1463
dc.identifier.issn1582-9596
dc.identifier.issn1843-3707
dc.identifier.issue7
dc.identifier.startpage1457
dc.identifier.urihttps://hdl.handle.net/11480/15886
dc.identifier.volume16
dc.identifier.wosWOS:000415722600005
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherGh Asachi Technical Univ Iasi
dc.relation.ispartofEnvironmental Engineering and Management Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectenzymatic oxidative polymerization
dc.subjecthorseradish peroxidase
dc.subjectphenol derivate
dc.titleENVIRONMENTALLY FRIENDLY ENZYME-CATALYZED POLYMERIZATION OF A NOVEL PHENOXY-KETIMINE
dc.typeArticle

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