However, when the NaOH concentration was increased by 9 wt.%, the tensile strength and the modulus demonstrated a decreasing trend to 13.24 MPa and 2558.81 MPa, respectively, and this was the lowest tensile strength and modulus produced out of all the NaOH concentrations used.
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Influence of Alkali Treatment on the Mechanical, Thermal, Water Absorption, and Biodegradation Properties of <i>Cymbopogan citratus</i> Fiber-Reinforced, Thermoplastic Cassava Starch-Palm Wax Composites.
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Nevertheless, comparable observations were previously noted on the treated ensete stem fiber-reinforced polyester that showed an increasing trend of the T g value at 5.0% NaOH concentrations, due to the stronger fiber–matrix bonding.