Biodegradable Composite from Discarded Hair Keratin and Graphene Oxide with Improved Mechanical, Thermal, and Barrier Properties: An Eco-Friendly Solution to Waste Materials

    November 2023 in “ Polymer International ”
    Md Ashikur Rahaman Noyon, Md. Elias Uddin, Thuhin Kumar Dey, Mamun Jamal, S. Gokulkumar, Rashedul Islam
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    TLDR The keratin-graphene oxide composite is stronger, more heat resistant, and better at blocking gases than pure keratin, offering an eco-friendly use for waste hair.
    The study aimed to create a biodegradable composite using discarded hair keratin from leather production and graphene oxide (GO) to reduce pollution. The composite was made using a simple solution mixing method, and its structure and performance were evaluated through various analyses. The results showed that GO was successfully integrated into the keratin matrix, leading to a 173.98% increase in tensile strength and a 33.52% decrease in elongation compared to pure keratin. The composite also showed improved thermal and biodegradation properties, and better gas barrier properties (39%) than pure keratin. This suggests that the keratin-GO composite is a cost-effective and biodegradable solution to waste materials, with potential use as a packaging material.
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