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Abstract

Bagasse was modified with sodium hydroxide and silane, and the obtained three polymer composite types, namely natural fiber, sugarcane bagasse, and plaster were procured by the two-roll mill method. The characterization of the modified sugarcane bagasse was achieved with attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR), scanning electron microscopy (SEM), and atomic force microscopy (AFM). The results show that the presence of Si–CH₃ group occurred on the bagasse surface after chemical modification. Adhesion force of cellulose changes after chemical treatment was observed from AFM. The optimum cure time (tc₉₀) and torque of the natural fiber/plaster increased with increasing plaster loading in the composite. The modulus of the resulting composite increased with both plaster and bagasse but the tensile strength and elongation-at-break of the composite decreased as a function of plaster sugarcane bagasse. The polymer composite possesses the best properties at 5 part per hundred rubber (phr) bagasse loading and 30 phr plaster.

Keywords

hybrid adhesion nondestructive testing wood

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Characterization of Modified Bagasse and Investigation Properties of Its Novel Composite

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