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The Recent Developments in Biobased Polymers toward General and Engineering Applications: Polymers that are Upgraded from Biodegradable Polymers, Analogous to Petroleum-Derived Polymers, and Newly Developed
Open AccessArticle

Fully Biodegradable Biocomposites with High Chicken Feather Content

CIDETEC Research Centre, Paseo de Miramón, 196, 20014 Donostia-San Sebastián (Gipuzkoa), Spain
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Polymers 2017, 9(11), 593; https://doi.org/10.3390/polym9110593
Received: 16 October 2017 / Revised: 6 November 2017 / Accepted: 8 November 2017 / Published: 9 November 2017
(This article belongs to the Special Issue Polymers from Renewable Resources)
The aim of this work was to develop new biodegradable polymeric materials with high loadings of chicken feather (CF). In this study, the effect of CF concentration and the type of biodegradable matrix on the physical, mechanical and thermal properties of the biocomposites was investigated. The selected biopolymers were polylactic acid (PLA), polybutyrate adipate terephthalate (PBAT) and a PLA/thermoplastic copolyester blend. The studied biocomposites were manufactured with a torque rheometer having a CF content of 50 and 60 wt %. Due to the low tensile strength of CFs, the resulting materials were penalized in terms of mechanical properties. However, high-loading CF biocomposites resulted in lightweight and thermal-insulating materials when compared with neat bioplastics. Additionally, the adhesion between CFs and the PLA matrix was also investigated and a significant improvement of the wettability of the feathers was obtained with the alkali treatment of the CFs and the addition of a plasticizer like polyethylene glycol (PEG). Considering all the properties, these 100% fully biodegradable biocomposites could be adequate for panel components, flooring or building materials as an alternative to wood–plastic composites, contributing to the valorisation of chicken feather waste as a renewable material. View Full-Text
Keywords: biodegradable biocomposites; thermoplastics; fibres; chicken feathers biodegradable biocomposites; thermoplastics; fibres; chicken feathers
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MDPI and ACS Style

Aranberri, I.; Montes, S.; Azcune, I.; Rekondo, A.; Grande, H.-J. Fully Biodegradable Biocomposites with High Chicken Feather Content. Polymers 2017, 9, 593.

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