The influence of the filler addition of rice husk cellulose, polyvinyl alcohol, and zinc oxide on the characteristics of environmentally friendly cassava biodegradable plastic

Hendrawati,; Liandi, Agus Rimus; Ahyar, Hafiz; Maladi, Irham; Azhari, Aulia; Cornelia, Melanie

doi:10.1016/j.cscee.2023.100520

Cited by 2 publications

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Improving the Mechanical Properties of Glass Ionomer Cement With Nanocrystalline Cellulose From Rice Husk

Rini,

Juwita,

Bagjana

et al. 2024

J Biomed Mater Res

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This study aimed to evaluate the effect of incorporating nanocrystalline cellulose (NCC) sourced from rice husk on the mechanical properties of a commercial glass ionomer cement (GIC). NCC was isolated through acid hydrolysis, and its crystallinity, chemical structure, and morphology were characterized through x‐ray diffractometry, Fourier‐transform infrared spectroscopy, and transmission electron microscopy, respectively. Various concentrations of NCC (0%, 0.5%, 1%, and 1.5%) were added to reinforce the GIC matrix. Mechanical tests including compressive strength, flexural strength, hardness, and shear bond strength were conducted on the modified GIC samples. The addition of NCC resulted in increased hardness and shear bond strength values, with 1% NCC showing the highest values compared to other concentrations. However, there was no significant improvement observed in the compressive and flexural strength of the modified GIC. Failure mode test revealed a reduction in adhesive failure with the addition of NCC. Incorporating small amounts of NCC (0.5%–1%) suggests a promising and affordable modification of GIC restorative material using biomass residue, resulting in improved mechanical properties.

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