scholarly journals Use of Almond Shells and Rice Husk as Fillers of Poly(Methyl Methacrylate) (PMMA) Composites

Materials ◽  
2017 ◽  
Vol 10 (8) ◽  
pp. 872 ◽  
Author(s):  
Alessandra Sabbatini ◽  
Silvia Lanari ◽  
Carlo Santulli ◽  
Claudio Pettinari
Keyword(s):  
Methyl Methacrylate ◽  
Rice Husk ◽  
Poly Methyl Methacrylate

scholarly journals STUDY THERMAL BEHAVIOR OF HEAT CURE POLY (METHYL METHACRYLATE) REINFORCED BY BAMBOO AND RICE HUSK POWDERS FOR DENTURE APPLICATIONS

2019 ◽  
Vol 11 (4) ◽  
pp. 417-425
Author(s):  
Jawad K. Oleiwi ◽  
Qahtan Adnan Hamad ◽  
Hadil Jabbar Abdul Rahman
Keyword(s):  
Thermal Conductivity ◽  
Thermal Diffusivity ◽  
Methyl Methacrylate ◽  
Thermal Behavior ◽  
Rice Husk ◽  
Weight Fraction ◽  
Scanning Calorimetry ◽  
Poly Methyl Methacrylate ◽  
Heat Cure ◽  
Naoh Solution

The present research, studies the effect of adding two different types of reinforcing powders, which included: Bamboo (Ba) and Rice Husk (RH), that added with different weight fractions (2, 4, 6 and 8 wt. %), and with the selected size particles of (25µm and 75µm) on thermal behavior of heat Cure Poly (Methyl Methacrylate) such as thermal conductivity and thermal diffusivity in addition to the differential scanning calorimetry (DSC) analysis  and these tests were accomplished at temperature of laboratory. The poly Methyl Methacrylate properties which reinforced by (Bamboo and Rice Husk) powders are mainly influenced by the interfacial adhesion strength between the powders and the matrix, and in order to get better correlation between the natural powder and PMMA matrix, so the powders were treated with alkali (sodium hydroxide NaoH) solution prior to use as reinforcement materials. The results showed that the values of the thermal conductivity and thermal diffusivity increased with increasing of the weight fraction for both particle sizes (25 µm and 75 µm) of natural powders.

scholarly journals Inorganically modified particles FeAl-LDH@SiO 2 as reinforcement in poly (methyl) methacrylate matrix composite

2021 ◽  
Vol 8 (9) ◽  
Author(s):  
Marija M. Vuksanović ◽  
Adela Egelja ◽  
Tanja Barudžija ◽  
Nataša Tomić ◽  
Miloš Petrović ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Methyl Methacrylate ◽  
Rice Husk ◽  
Fourier Transforms ◽  
Weight Ratio ◽  
Impact Testing ◽  
Poly Methyl Methacrylate ◽  
Co Precipitation ◽  
Double Hydroxides ◽  
Scanning Electron

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.

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