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    (Bio)degradable polymeric materials for a sustainable future - part 1. Organic recycling of PLA/PBAT blends in the form of prototype packages with long shelf-life

    Year: 2018

    Journal: Waste Manage., Volume 77, JUL, page 447–454

    Authors: Musiol, Marta; Sikorska, Wanda; Janeczek, Henryk; Walach, Wojciech; Hercog, Anna; Johnston, Brian; Rydz, Joanna

    Organizations: National Science Centre, Poland (NCN SONATA 11) [2016/21/D/ST8/01993]

    Keywords: Organic recycling; Biodegradation; Hydrolytic degradation; Packages; Poly(butylene adipate-co-terephthalate); Polylactide; Talc

    Prediction studies of advanced (bio)degradable polymeric materials are crucial when their potential applications as compostable products with long shelf-life is considered for today's market. The aim of this study was to determine the effect of the polylactide (PLA) content in the blends of PLA and poly(butylene adipate-co-terephthalate) (PBAT); specifically how the material's thickness corresponded to changes that occurred in products during the degradation process. Additionally, the influence of talc on the degradation profile of all samples in all environments was investigated. It was found that, differences in the degradation rate of materials tested with a similar content of the PLA component could be caused by differences in their thickness, the presence of commercial additives used during processing or a combination of both. The obtained results indicated that the presence of talc may interfere with materials behavior towards water and consequently alter their degradation profile. (C) 2018 Elsevier Ltd. All rights reserved.
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