Journal
ROYAL SOCIETY OPEN SCIENCE
Volume 8, Issue 9, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rsos.210835
Keywords
layered double hydroxides; SiO2; composites; mechanical properties
Categories
Funding
- Ministry of Education, Science and Technological Development of the Republic of Serbia [451-03-68/2021-14/200135, 451-03-68/2021-14/200287]
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In this study, silica particles obtained from rice husk were used to synthesize Fe2+-Al3+ layered double hydroxides (FeAl-LDH) which were then incorporated into poly (methyl) methacrylate matrix as reinforcing agents. The mechanical properties of the composites were analyzed through microindentation, tensile and impact testing. The results revealed that FeAl-LDH@SiO2 particles do have an impact on the mechanical properties of the polymer composite materials.
Silica particles were obtained from rice husk to which layered double hydroxide particles were deposited (weight ratio 1 : 1). Fe2+-Al3+ layered double hydroxides (FeAl-LDH) were synthesized by co-precipitation with ratios Fe : Al of 3 : 1 in the presence of SiO2 particles from the rice husk. Characterization of the synthesized FeAl-LDH@SiO2 particles was performed by X-ray diffraction, Fourier transforms infrared spectroscopy (FTIR) and scanning electron microscopy with EDS. Prepared FeAl-LDH@SiO2 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@SiO2 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.
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