Inorganically modified particles FeAl-LDH@SiO <sub>2</sub> as reinforcement in poly (methyl) methacrylate matrix composite
Marija M. Vuksanović, Adela Egelja, Tanja Barudžija, Nataša Tomić, Miloš Petrović, Аleksandar Marinković, Vesna Radojević, Radmila Jančić Heinemann
Abstract
Silica particles were obtained from rice husk to which layered double hydroxide particles were deposited (weight ratio 1 : 1). Fe 2+ -Al 3+ layered double hydroxides (FeAl-LDH) were synthesized by co-precipitation with ratios Fe : Al of 3 : 1 in the presence of SiO 2 particles from the rice husk. Characterization of the synthesized FeAl-LDH@SiO 2 particles was performed by X-ray diffraction, Fourier transforms infrared spectroscopy (FTIR) and scanning electron microscopy with EDS. Prepared FeAl-LDH@SiO 2 particles were used as reinforcing agents in 1, 3 and 5 wt% quantity in poly (methyl) methacrylate matrix. The aim of this study was to examine whether FeAl-LDH@SiO 2 particles affect the mechanical properties of polymer composite materials. The morphology of the composites was examined using a field emission scanning electron microscope. Microindentation, tensile and impact testing determined the mechanical properties of the obtained composites.