Synthesis and Characterization of Novel Polymer-Metal Complexes of Cu(II), Ni(II) and Co(II) Derived from Poly(4,5-dihydroxy-2,7-naphthalene Disulfonic Acid)
Küçük Resim Yok
Tarih
2014
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
ASIAN JOURNAL OF CHEMISTRY
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
In this study, poly(4,5-dihydroxy-2,7-naphthalene disulfonic acid) was prepared by meats Of an oxidative polycondensation reaction of 4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt (monomer) in aqueous alkaline Medium with NaOCl as the Oxidant at 90 degrees C Average molecular weights of the polymer were determined by get permeation chromatography. The monomer and the polymer Were I characterized by elemental analyses, gel permeation chromatography, thermogravimetric analyses and UV-Visible, FT-IR, H-1 NMR and C-13 NMR spectroscopic studies. In addition; the new Cu(II), Ni(II) and Co(II) complexes of the polymer were characterized by elemental analyses, UV-visible, FT-IR, and AAS, TGA and magnetic susceptibility measurements. The results suggested that the polymer and metal, ions in 2:1 molar ratio produced mononuclear; complexes with oxygen donor atoms. All synthesized polymer-metal complexes have , dimeric structures formed by the polymeric ligand units. The thermal stability of the polymer-metal complexes is higher than that of the polymer. Magnetic susceptibility studies showed that polymer-metal-complexes have various configurations. The metal ion uptake studies were conducted using the batch technique. The barium salt of the polymer was determined to be effective in removing some metal ions-via the batch technique.
Açıklama
Anahtar Kelimeler
Oxidative polymerization, Metal complexes, Metal ion uptake
Kaynak
ASIAN JOURNAL OF CHEMISTRY
WoS Q Değeri
N/A
Scopus Q Değeri
Q4
Cilt
26
Sayı
7
