Development of a Biodegradable Material with Oregano Stick as a Prototype of Substitute for Wooden Agglomerate Material

Camilo Andrés Guerrero-Martin, Oscar Silva-Marrufo (), Angie Tatiana Ortega-Ramírez, Rubén Iván Marín-Tinoco (), Raúl Salinas-Silva and Stefanny Camacho-Galindo
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Camilo Andrés Guerrero-Martin: LOTEP—Laboratório de Operações e Tecnologias Energéticas Aplicadas na Indústria do Petróleo, Faculty of Petroleum Engineering, Federal University of Pará, Salinópolis 68721-000, PA, Brazil
Oscar Silva-Marrufo: Engineering Department, Instituto Tecnológico del Valle del Guadiana, Tecnológico Nacional de México, Highway Durango-México Km 22.5, Villa Montemorelos 34323, Durango, Mexico
Angie Tatiana Ortega-Ramírez: Management, Environment and Sustainability Research Group (GIGAS), Engineering Faculty, Fundacion Universidad de América, EcoCampus de los Cerros, Bogotá 110311, Colombia
Rubén Iván Marín-Tinoco: Department of Chemical Area Environment Technology, Technological University of Rodeo, Carretera Panamericana, Km. 159.4, Col. ETA, Rodeo 37560, Durango, Mexico
Raúl Salinas-Silva: Fundación de Educación Superior San José, Bogotá 111321, Colombia
Stefanny Camacho-Galindo: Fundación de Educación Superior San José, Bogotá 111321, Colombia

Sustainability, 2023, vol. 15, issue 19, 1-13

Abstract: Oregano is a herb that is found in the wild in different parts of the world. The stick represents about 60% of the plant and is biodegradable, using lactic acid as a binding agent for the oregano stick. Waste oregano stick can be used to make biodegradable material which provides sustainable development in support and promotion of the circular economy by reducing pollution generated by chemical economy by reducing pollution generated by chemical products, agricultural waste, or products that accumulate in the environment spending years for its degradability. The originality of this project is present in the use of the oregano stick, a natural product which supplies the physicochemical characteristics of conventional raw materials used in the manufacture of wood. Oregano was collected and dried to separate the leaves from the stick. The stick was then ground, sieved at 0.118 mm and 0.025 mm, and then treated with one of two binders. For treatment 1, three samples were prepared with varying lactic acid concentrations and stick quantities with the addition of 0.3 mL of 2,2 azobisiso-butyronitrile (AIBN) 1% by weight. In treatment 2, three samples were prepared with varying polyvinyl acetate concentrations, diluted in acetone, stirred, poured into a mold, and placed in an oven at a temperature of 90 °C for 36 h. Bending and compression mechanical tests were performed on all samples; the data were analyzed by one-factor analysis of variance and Tukey test. The sample that performed the best had a value of 1.148 mm and 0.77333 kN in mechanical resistance and less elongation in compression. This sample also had a value of 0.8183 and a kN of 0.1559 with a lower mean, meaning higher resistance to bending. This sample also had the best results from the Modulus of Rupture (MOR) test with a value of 5.9958 MPas/m 2 .

Keywords: herb; oregano stick; wood material; bioplastic; agglomerate; polyvinyl; lactic acid; acetone (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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