Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/131983
Title: Characterization of Microalgae Biomass-Based Composites Obtained through Rotational Molding
Authors: Díaz Guzmán, Sara Ester 
Romero Artiles, Francisco Ramón 
Suárez, Luis 
Rios Santana, Raul Jorge 
Alemán Vega, Monserrat 
Venuleo, Marianna
Ortega Medina, Zaida Cristina 
UNESCO Clasification: 3313 Tecnología e ingeniería mecánicas
3303 ingeniería y tecnología químicas
3308 Ingeniería y tecnología del medio ambiente
Keywords: Biocomposite
Microalgae
Spirulina
Rotomolding
Antioxidant, et al
Issue Date: 2024
Project: Laboratorio de Identificación, Caracterizacióny Eco-Toxicidad de Microplásticos Convencionalesy Nuevos Materiales Poliméricos Avanzados (Licem) 
Journal: Polymers 
Abstract: The wide range of applications and the numerous advantages of plastics have led to their excessive use, with subsequent damage to ecosystems. As an environmentally friendly alternative, biocomposites have gained much attention, and microalgae have become a potential source for their production. In this study, the use of washed and unwashed Spirulina in polyethylene-based composites has been evaluated as a way to prevent the thermooxidation of polyethylene, while at the same time, reducing the amount of virgin plastic used. Biocomposites were produced by rotomolding, testing different biomass contents and determining their mechanical and thermal performances as well as their water uptake level. Composites with up to 15% of biomass (by weight), a particularly high ratio for rotomolding, were satisfactorily produced. Using 5% of both biomasses did not significantly modify the behavior when compared with the neat PE samples’ properties. For higher loadings, the use of non-washed biomass allowed us to obtain better properties, with added benefits related to using an unwashed biomass (less water consumption, lower costs and fewer environmental impacts). On the other hand, this study showed a promising beneficial effect on the thermooxidative resistance of composites, as the oxidation induction times were notably increased with biomass addition.
URI: http://hdl.handle.net/10553/131983
ISSN: 2073-4360
DOI: 10.3390/polym16131807
Source: Polymers [ISSN 2073-4360], v. 16(13), 1807
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