Characterization of Nanocomposite Mixture Polyvinyl Alcohol and Rice Husk Ash
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Universitas Negeri Medan
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Makmur Sirait   

Universitas Negeri Medan
J. Ecol. Eng. 2023; 24(11):268-273
Rice husk ash (RHA) nanoparticles have been made to be applied as a filler in the formation of Polyvinyl Alcohol (PVA) nanocomposites. The manufacture of rice husk ash nanoparticles was used by the Ball Mill method and the coprecipitation method, while the manufacture of Polyvinyl Alcohol nanocomposite membranes and rice husk ash was by the sol-gel method. The results of XRD analysis using Match software obtained that the crystal structure of rice husk ash is monoclinic with a particle size of 16.55 nm. The mechanical test results obtained the largest elastic modulus of 29.28 MPa in 3% rice husk ash mixture, the largest tensile test of 8.83 MPa in 1% rice husk ash mixture, and the largest elongation at break of 82.08% in 4% rice husk ash mixture. The addition of rice husk ash as a filler can improve the mechanical properties of PVA/rice husk ash nanocomposites.
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