Mehmet Soner ENGİN, Seydahmet ÇAY, Serkan SAYIN

Yeni Kaliks[4]aren-içeren Polimerik Membranların Hazırlanması, Karakterizasyonu ve Uygulamaları

Bu çalışmada, 5,17-bis-tert-butil-11,23-dikarboksilik asit-25,27-dihidroksi- 26,28-bis(3-tiyol-1-oksipropan)-kaliks[4]aren (5) bileşiği başarıyla sentezlenmiştir. Sentezlenen bileşiğin yapısı 1HNMR, 13CNMR ve elementel analiz teknikleri kullanılarak aydınlatılmıştır. Elde edilen merkapto grubu bağlı kaliks[4]aren türevi, yeni bir polimer içerikli membran hazırlanması için selüloz triasetat ve 2-nitrofenil oktil eter (o-NPOE) ile birlikte katkı malzemesi olarak kullanılmıştır. Kaliks[4]aren gömülü polimer içeren membranın (KPİM) yapısı ve yüzey morfolojisi, termogravimetrik analiz (TGA) , taramalı elektron mikroskobu (SEM) , Fourier dönüşümlü kızılötesi spektroskopisi (FT-IR) ve elemental analiz teknikleri kullanılarak belirlenmiştir. Ayrıca KPİM in Zn (II), Pb (II), Co(II), Cd (II), Ni (II) ve Cu (II) iyonlarının taşıma etkinliğini değerlendirmek için Donnan diyaliz sistemi kullanılmıştır.

Anahtar Kelimeler:

Kaliksaren, Polimer içerikli membran (PİM), Eser metaller, İyon taşınması, Yüzey karakterizasyonu

Fabrication, Characterization, and Application of New Calix[4]arene-embeded Polymer Inclusion Membrane

In this study, the compound 5,17-bis-tert-butyl-11,23-dicarboxylic acid-25,27-dihydroxy-26,28-bis(3-thiol-1-oxypropane)-calix[4]arene(5) successfully synthesized. The structure of the synthesized compound was characterized using 1HNMR, 13CNMR and elemental analysis techniques. The obtained mercapto group bound calyx[4]arene derivative was used as an additive together with cellulose triacetate and 2-nitrophenyl octyl ether (o-NPOE) for the preparation of a new polymer-containing membrane. The structure and surface morphology of the calyx[4]arene embedded polymeric membrane were determined using thermogravimetric analysis (TGA) , scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and elemental analysis techniques. In addition, Donnan dialysis system was used to evaluate the transport efficiency of Zn (II), Pb (II), Co(II), Cd (II), Ni (II) and Cu (II) ions in KPIM.

Keywords:

Calixarene, Polymer inclusion membrane (PIM), Trace metals, Ion transportation, Surface charactrezition,

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