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Open AccessArticle

Bacterial Cellulose and Emulsified AESO Biocomposites as an Ecological Alternative to Leather

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C2T-Centre for Textile Science and Technology, University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal
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CEB-Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
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Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(12), 1710; https://doi.org/10.3390/nano9121710
Received: 31 October 2019 / Revised: 27 November 2019 / Accepted: 28 November 2019 / Published: 29 November 2019
This research investigated the development of bio-based composites comprising bacterial cellulose (BC), as obtained by static culture, and acrylated epoxidized soybean oil (AESO) as an alternative to leather. AESO was first emulsified; polyethylene glycol (PEG), polydimethylsiloxane (PDMS) and perfluorocarbon-based polymers were also added to the AESO emulsion, with the mixtures being diffused into the BC 3D nanofibrillar matrix by an exhaustion process. Scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) spectroscopy analysis demonstrated that the tested polymers penetrated well and uniformly into the bulk of the BC matrix. The obtained composites were hydrophobic and thermally stable up to 200 °C. Regarding their mechanical properties, the addition of different polymers lead to a decrease in the tensile strength and an increase in the elongation at break, overall presenting satisfactory performance as a potential alternative to leather.
Keywords: bacterial cellulose; acrylated epoxidized soybean oil; biocomposite; emulsion; exhaustion; alternative leather bacterial cellulose; acrylated epoxidized soybean oil; biocomposite; emulsion; exhaustion; alternative leather
MDPI and ACS Style

Fernandes, M.; Souto, A.P.; Gama, M.; Dourado, F. Bacterial Cellulose and Emulsified AESO Biocomposites as an Ecological Alternative to Leather. Nanomaterials 2019, 9, 1710.

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