Abstract
Biobased becomes one of the new breakthrough in the smart engineering, especially in biomedical applications, such as tissue engineering that serves as a supporting physical structure to trigger the growth of skin tissue. From various studies which had been done, it was known that the optimal Biobased healed wounds or injuries in a relatively short time. In this study, a Biobased natural polymer based e.g Poly(Lactic Acid) (PLA)/Chitosan Nanocomposites was made. PLA was synthesized from saba banana (Musa acuminata) as raw material using Ring-Opening Polymerization (ROP) method. PLA was mixed with Chitosan with Chitosan concentration variations of 1%, 3%, and 5% to form a nanocomposites. The analysis result showed that Chitosan concentration in PLA/Chitosan Nanocomposites sample affected the value of tensile strength. The highest value of tensile strength was obtained on a sample of 100 ml volume with a concentration of 3%, which was 120.396 MPa. The highest percentage of elongation was obtained in 100 ml volume sample with 5% concentration, which was 26.3686%. In the hydrophilicity test, the highest percentage of water absorption was obtained in a 200 ml volume sample with 5% concentration, which was 44.615%. The addition of Chitosan to the sample affected the functional group bonding, where there was a functional group of NH2 at the wave number of 2923.92 cm-1. The sample characteristics based on water absorption indicated that the sample was potentially to be used as Biobased construction material.
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