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Effective Young's modulus of bacterial and microfibrillated cellulose fibrils in fibrous networks.

in Fibrous Networks

This work has implications for the use of nanofibrillated cellulose fibres in general as it overturns existing thinking on their mechanical properties. The work also shows for the first time that these nanofibrous networks of cellulose have negative in-plane Poisson's ratios (auxetic behaviour) which could be useful for a range of applications e.g. double curved surfaces for packaging, novel filtration media. The industrial collaborator (Tom Lindstrom - Innventia; toml@kth.se) is developing microfibrillated cellulose as a commercial product in which this work could have significant implications. The paper was selected for a special virtual edition of the journal (http://pubs.acs.org/page/bomaf6/vi/frontiers.html).