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12 - Aeronautical, Mechanical, Chemical and Manufacturing Engineering
Imperial College London
Hierarchical composites reinforced with robust short sisal fibre preforms utilising bacterial cellulose as binder
Reinforcing fibres are valuable and off-cuts are currently disposed of. This paper demonstrates that nanocellulose can be used as efficient binder to create fibre mats, shown exemplarily for natural fibres, that can be used as reinforcement for thermosetting matrices. Such composites can be produced using conventional manufacturing processes. The invention is covered in patent application WO2012049198-A1. Utilizing (especially carbon and high performance polymer) fibre waste in composites upgraded by nanocellulose offers significant economic potential (tom.james@formax.co.uk) and a large volume application for nanocellulose. First author Lee, a former PhD, was awarded the Student Achievement Award by BEPS (www.beps.org) for this innovation.