Title: Preparation and Characterization of Mesoporous Electrospun (Sio2) 0.59 (Cao) 0.36− X (P2o5) 0.05 (Tio2) X Glasses (X= 0 and 0.05 Mol%).
Journal: Journal of Porous Materials
Author: 1. Neda Ghaebi Panah, Parvin Alizadeh, 2. Bijan Eftekhari Yekta
Year: 2016
Address: 1. Ceramic Group, Department of Materials Science and Engineering, Faculty of Engineering and Technology, Tarbiat Modares University, Tehran 14115-143, Iran 2. Ceramic Group, School of Metallurgy and Materials Engineering, Iran University of Science and Technology (IUST), Tehran 16846-13114, Iran
Abstract: In this study, mesoporous glass nanotubes in both systems of 59SiO2–36CaO–5P2O5 (mol%) and 59SiO2–31CaO–5P2O5–5TiO2 (mol%) were successfully prepared using polyvinylpyrrolidone (PVP) via coaxial electrospinning process. Then, the significant effects of TiO2 addition on nanotubes morphology and adsorption were investigated. The PVP was extracted through calcination at 600 C with heating rate of 2 C/min for 5 h in the air. The characteristics of the samples were identified by field emission scanning electron microscopy, simultaneous thermal analysis, X-ray powder diffraction, Fourier transform infrared spectroscopy, and nitrogen sorption porosimetry (BET). The results indicated that the sample with additive TiO2 had larger mean diameter with nonsmooth surface rather than without TiO2. After calcination at 600 C for 5 h, the sample with TiO2 had aggregation and the particles stuck together, while without TiO2 presence a homogeneous structure without any agglomeration was observed. TiO2 addition was also effective on the adsorption; the BET surface area, pore volume, and pore size from 167 m2/g, 0.5 cm3/g, and 11.9 nm were modified to 127 m2/g, 0.23 cm3/g, and 8.2 nm respectively.
Keywords: Coaxial electrospinning, Glass nanotube, Polyvinylpyrrolidone, Silicate bioglass, TiO2
Application: Optimizing Electrospinning Parameters
Product Model 1: Electroris
Product Model 2:
URL: https://link.springer.com/article/10.1007/s10934-016-0130-2#="https://link.springer.com" & "/article/10.1007/s10934-016-0130-2"#