Abstract
The nanocomposites were produced using a melt-blending process and poly (ether imide) (PEI) reinforced with bioactive titanium dioxide (TiO2) nanoparticles. Fourier Transformed Infrared Spectroscopy (FTIR), Microstructural analysis, Differential Scanning Calorimetric (DSC) of the generated interfacial interaction materials is exploited. The prominent peaks in FTIR measurement are found to be sensitive to TiO2 content. The peaks shift towards higher wavelength as a consequence of TiO2 addition. Polymer matrix and filler in the FTIR spectrum have a significant hydrogen bonding coupling. The uniform dispersion of TiO2 nanoparticles within the polymer was studied without surface treatment or polymer functionalization. It has been observed that with increasing TiO2 concentration, the matrix's crystallisation rate was altered from promotion to retardation, while its crystalline structure remained unaffected. TiO2 addition gradually lowers the glass transition temperature (Tg) of poly (ether imide) composite. The polymer matrix was concurrently made stiffer, stronger, and tougher by the nanoparticles, and the best characteristics were attained at 5.0 wt% of TiO2. Even though the nanocomposites had improved thermal stability and glass transition temperatures, they also showed less water absorption. The analyses are utilised to determine the type of nanoparticle and the consistency of the composite material's loading.
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