Organic-inorganic hybrid nanocomposites, which are the hybridization of organic polymer and inorganic material on a nano-scale, have attracted tremendous attention because of the combining totally different properties of them within a single molecular material. Polymer-inorganic materials are distinguished by their enhanced mechanical strength and thermal stability combined with optimal thermal properties [1]. In this study, a series of aromatic poly(imide-ether-imidazole) (PIEI)s containing derivatives of imidazole heterocyclic ring and flexible ether linkages was synthesized from polymerization reaction between 4,4'-(2-(2,4-bis(4-aminophenoxy)phenyl)-1H-imidazole-4,5-diyl)diphenol and various dianhydrides in a green media of ionic liquid (IL) without using NMP-pyridine-acetic anhydride [2]. (Scheme 1). Polymers having inherent viscosities of 0.55-0.67 dL/g were produced in high yield. All the PIEIs were noncrystalline and soluble in various organic solvents. The resulting nanocomposites were characterized using FTIR and 1HNMR spectroscopy, and elemental analysis. The morphology of worn surfaces of films was examined by atomic force microscope (AFM). Thermal properties of the novel PIEIs and nanocomposites were also evaluated by thermogravimetric analysis and differential scanning calorimetry.
