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Plastic waste is the biggest problem faced by almost all countries. The long process of degradation and the large production of conventional plastics are the main causes of the accumulation of plastic waste, especially in Indonesia. The use of rubber cassava and old newsprint along with fillers in the form of chitosan and glycerol plasticizer are alternatives in avoiding the use of food-grade materials that are still used by the public. The hot mixing method was used in the production of bioplastics, by first extracting the cassava starch, with variations in the use of old newsprint of 1, 2, and 3 grams. This study obtained a good bioplastic in the composition of 3 grams of old newsprint, which produced a tensile strength value of 6.6 MPa, 7.2% elongation, with 44.18% degradation ability for 5 days of burial.

Characterization and Production of Biodegradable Plastics from Cassava Rubber Starch and Old Newsprint Using Glycerol Plasticizer