Fabrication of Bioplastic Blending from Tapioca Starch and Ligin Extracted from Meranti Sawdust

• Main Author: Muhaimin (NIM : 13713001), Darmawan
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/21580
• Institution: Institut Teknologi Bandung

Tapioca starch bioplastic has a good potential to be developed because it comes from renewable sources, environmentally friendly, and has adequate tensile strength if compared to conventional plastic. This research was aimed to make tapioca starch-lignin bioplastic blend and to study its tensile strength, degradation properties in soil, and water resistance. <br /> <br /> <br /> Tapioca starch-lignin bioplastic were made by solution casting method, with lignin varies from 0%-11% wt% added as a blend. Mechanical properties, i.e. tensile <br /> <br /> <br /> strength, elongation at break, and modulus of elasticity was characterized by using tensile test based on ASTM D882-02. Degradation properties in soil was characterized based on ISO 846. <br /> <br /> <br /> Tapioca starch-lignin bioplastic blend that have been made have maximum tensile strength, elongation at break, and modulus of elasticity at 10.68 MPa, 0.85%, and 1803.9 MPa respectively. Lignin with weight variation of 3%wt can increase its water resistance by 36.17% if compared to tapioca starch bioplastic without <br /> <br /> <br /> addition of lignin. But, degradation in soil properties have decreased by increasing of lignin for 5.83%