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Effects of modified titanium dioxide nanoparticles on the thermal and mechanical properties of poly(l-lactide)-b-poly(ε-caprolactone)
, Article Iranian Polymer Journal (English Edition) ; Volume 31, Issue 7 , 2022 , Pages 893-904 ; 10261265 (ISSN) ; Sharif, F ; Ramazani, S. A. A ; Sharif University of Technology
Springer Science and Business Media Deutschland GmbH
2022
Abstract
Incorporating titanium dioxide (TiO2) nanoparticles into the polymeric matrix offers an opportunity to obtain nanocomposites with improved functionality. In this study, the commercial TiO2 nanoparticles (TNP) were surface treated by different concentrations of aminopropyl triethoxy silane (APTS) as a coupling agent and triethylamine (Et3N) as a surface grafting catalyst by an aqueous process to prepare a nanocomposite with superior properties. Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA) were performed to confirm the successful surface modification of TNP. The prepared modified TiO2 nanoparticles (mTNP) with different weight fractions were used as...