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Title Production of Biodegradable Polymeric Composites with the Addition of Waste
ID_Doc 25362
Authors Fernandes, FAD; Serra, JCV; Costa, DDD; Martin, CAG
Title Production of Biodegradable Polymeric Composites with the Addition of Waste
Year 2023
Published Materials, 16, 18
Abstract Several solutions have been presented to minimize the environmental impact generated by polymers produced from petroleum resources. This work produced a biopolymer using glycerol, starch (<5) and macauba epicarp fiber (10-15-20-25-30%) as reinforcement. The interaction of glycerol with starch was favored by the addition of acetic acid (CH3COOH). The pH was adjusted with sodium hydroxide (NaOH) at a concentration of 0.1 mol center dot L-1. The characterization was carried out through scanning electron microscopy (SEM), infrared reflectance-FTIR, water solubility, biodegradability and technological properties. Through the results obtained in this work, it is observed that the tensile strength and modulus of elasticity are influenced by the addition of the fiber concentration; the sample that received a 30% addition presented 19.17 MPa and 348.12 MPa, respectively. All samples showed low solubility in water and low density, in addition to a high rate of degradability in soil with mass loss corresponding to 59% over a period of three months. The results of this investigation are satisfactory for the production of materials that can be used in everyday life, replacing conventional plastic.
PDF https://www.mdpi.com/1996-1944/16/18/6305/pdf?version=1695202864

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