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Article

Color Fixation Strategies on Sustainable Poly-Butylene Succinate Using Biobased Itaconic Acid

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Tecnopackaging, Polígono Industrial Empresarium C/Romero Nº, 12, 50720 Zaragoza, Spain
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Fundación Aitiip, Polígono Industrial Empresarium C/Romero Nº, 12, 50720 Zaragoza, Spain
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Department of Civil and Environmental Engineering, University of Perugia, 05100 Terni, Italy
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Escuela de Ingeniería y Arquitectura, University of Zaragoza, Av. María de Luna, 3, 50018 Zaragoza, Spain
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Authors to whom correspondence should be addressed.
Polymers 2021, 13(1), 79; https://doi.org/10.3390/polym13010079
Received: 26 November 2020 / Revised: 22 December 2020 / Accepted: 23 December 2020 / Published: 28 December 2020
(This article belongs to the Special Issue Sustainable Bio-Based Polymers: Towards a Circular Bioeconomy)
Biopo-lybutylene succinate (bioPBS) is gaining attention in the biodegradable polymer market due to its promising properties, such as high biodegradability and processing versatility, representing a potential sustainable replacement for fossil-based commodities. However, there is still a need to enhance its properties for certain applications, with aesthetical and mechanical properties being a challenge. The aim of the present work is to improve these properties by adding selected additives that will confer bioPBS with comparable properties to that of current counterparts such as polypropylene (PP) for specific applications in the automotive and household appliances sectors. A total of thirteen materials have been studied and compared, being twelve biocomposites containing combinations of three different additives: a commercial red colorant, itaconic acid (IA) to enhance color fixation and zirconia (ZrO2) nanoparticles to maintain at least native PBS mechanical properties. The results show that the combination of IA and the coloring agent tends to slightly yellowish the blend due to the absorbance spectra of IA and also to modify the gloss due to the formation of IA nanocrystals that affects light scattering. In addition, for low amounts of IA (4 wt %), Young’s Modulus seems to be kept while elongation at break is even raised. Unexpectedly, a strong aging affect was found after four weeks. IA increases the hydrophilic behavior of the samples and thus seems to accelerate the hydrolization of the matrix, which is accompanied by an accused disaggregation of phases and an overall softening and rigidization effect. The addition of low amounts of ZrO2 (2 wt %) seems to provide the desired effect for hardening the surface while almost not affecting the other properties; however, higher amounts tends to form aggregates saturating the compounds. As a conclusion, IA might be a good candidate for color fixing in biobased polymers. View Full-Text
Keywords: biopolymers; biocomposites; polybutylene succinate; itaconic acid; zirconium oxide; colorant; hardness; color fixing; gloss; aging effect biopolymers; biocomposites; polybutylene succinate; itaconic acid; zirconium oxide; colorant; hardness; color fixing; gloss; aging effect
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MDPI and ACS Style

G. Quiles, L.; Vidal, J.; Luzi, F.; Dominici, F.; Fernández Cuello, Á.; Castell, P. Color Fixation Strategies on Sustainable Poly-Butylene Succinate Using Biobased Itaconic Acid. Polymers 2021, 13, 79. https://doi.org/10.3390/polym13010079

AMA Style

G. Quiles L, Vidal J, Luzi F, Dominici F, Fernández Cuello Á, Castell P. Color Fixation Strategies on Sustainable Poly-Butylene Succinate Using Biobased Itaconic Acid. Polymers. 2021; 13(1):79. https://doi.org/10.3390/polym13010079

Chicago/Turabian Style

G. Quiles, Lidia, Julio Vidal, Francesca Luzi, Franco Dominici, Ángel Fernández Cuello, and Pere Castell. 2021. "Color Fixation Strategies on Sustainable Poly-Butylene Succinate Using Biobased Itaconic Acid" Polymers 13, no. 1: 79. https://doi.org/10.3390/polym13010079

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