Abstract
The present work studied the synthesis of nanocomposites calix[4]arene-modified-clay. The calix[4]arene diester was prepared and characterized. Purified clay was firstly silylated with APTES silane before grafting the glutaraldehyde. Then, tris(2-aminoethyl)amine, ethylenediamine or hexamethylenediamine were grafted. The structures of the silylated and modified clays were characterized by various techniques. The calix[4]arene diester was grafted onto modified clays. All data demonstrated the successful grafting of calix[4]arene, and indicated that in the case of the nanocomposites with aliphatic amines, the calixarene was grafted by a single ester function, whereas by two ester functions in the case of the nanocomposite with branched amine.
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