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http://dx.doi.org/10.5012/bkcs.2011.32.5.1613

Synthesis of Co(II), Ni(II) and Cu(II) Complexes from Schiff base Ligand and Reactivity Studies with Thermosetting Epoxy Resin  

Lakshmi, B. (Department of Studies in Chemistry, Central College Campus, Bangalore University)
Shivananda, K.N. (Department of Studies in Chemistry, Central College Campus, Bangalore University)
Prakash, Gouda Avaji (Department of Organic Chemistry, Indian Institute of Science)
Rama, Krishna Reddy K. (Department of Studies in Chemistry, Central College Campus, Bangalore University)
Mahendra, K.N. (Department of Studies in Chemistry, Central College Campus, Bangalore University)
Publication Information
Abstract
A hybrid thermosetting maleimido epoxy compound 4-(N-maleimidophenyl) glycidylether (N-MPGE) containing Co(II), Ni(II) and Cu(II) ions was prepared by curing N-MPGE and tetradentate Schiff base Co(II), Ni(II) and Cu(II) complexes. The curing polymerization reaction of N-MPGE with metal complexes as curing agents was studied. The cured samples were studied for thermal stability, chemical (acid/alkali/solvent) and water absorption resistance and homogeneity of the cured systems. The tetradentate Schiff base, 3-[(Z)-2-piperazin-1-yl-ethylimino]-1,3-dihydro indol-2-one was synthesized by the condensation of Isatin (Indole-2, 3-dione) with 1-(2-aminoethyl)piperazine (AEP). Its complexes with Co(II), Ni(II) and Cu(II) have been synthesized and characterized by microanalysis, conductivity, Uv-Visible, FT-IR, TGA and magnetic susceptibility measurements. The spectral data revealed that the ligand acts as a neutral tetradentate Schiff base and coordinating through the azomethine nitrogen, two piperazine nitrogen atoms and carbonyl oxygen.
Keywords
Isatin; Schiff base; Epoxy resin; Curing; Epichlorohydrin;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By Web Of Science : 1  (Related Records In Web of Science)
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