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Impact of hygrothermal ageing of low-density polyethylene/short flax fibre composites on the multiscale properties



Author(s): Hajer Rabii, Laetitia Van Schoors, Marielle Gueguen, Peter Davies
Paper category: Proceedings
Book title: Proceedings of the 1st International Conference on Bio-based Building Materials
Editor(s): Sofiane Amziane and Mohammed Sonebi
e-ISBN: 978-2-35158-154-4
Publisher: RILEM Publications SARL
Publication year: 2015
Pages: 220-226
Total Pages: 7
Language : English


Abstract: Flax reinforced polyethylene composites were subjected to a long sorption /desorption/resorption cycle, at 30°C and 100% relative humidity. Then, a multi scale characterization was conducted. The sorption kinetics revealed the influence of the fibre content and the interface quality on the diffusion mechanisms. Chemical analysis has revealed the oxidation of the polyethylene matrix and the loss of hydrosoluble fibres components during ageing. A microbiological survey revealed that under these weathering conditions, the composites were sensitive to microbial development. These modifications have affected the global performances in terms of mechanical properties.


Online publication : 2015
Publication type : full_text
Public price (Euros) : 0.00


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