Superhydrophobic foam-like cellulose made of hydrophobized cellulose fibres

@article{Tejado2014SuperhydrophobicFC,
  title={Superhydrophobic foam-like cellulose made of hydrophobized cellulose fibres},
  author={Alvaro Tejado and Wei Chung Chen and Nur Alam and Theo G. M. van de Ven},
  journal={Cellulose},
  year={2014},
  volume={21},
  pages={1735-1743}
}
Wood (kraft) pulp was first dried into a low-density foam-like material by solvent-exchange with anhydrous ethanol. X-Ray tomography showed that, while pulp fibres are flat and resemble ribbons when dried from water, those dried from ethanol are quasi-tubular, inferring that capillary forces derived from a low surface tension solvent are not strong enough to promote fibre lumen collapse, contrary to what happens in water. When the resulting foam-like pulp was then subjected to a vapour phase… CONTINUE READING

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