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Cellulose

, Volume 21, Issue 4, pp 2599–2609 | Cite as

From paper to nanopaper: evolution of mechanical and physical properties

  • I. González
  • M. Alcalà
  • G. Chinga-Carrasco
  • F. Vilaseca
  • S. Boufi
  • P. Mutjé
Original Paper

Abstract

In the present work the evolution of physical and mechanical properties of papers and nanopapers is studied. Handsheets made of eucalyptus fibres reinforced with 0, 25, 50, 75 and 100 wt% of nanofibrillated cellulose (NFC) content were fabricated using a Rapid Köthen-like equipment. The obtained papers and nanopapers were physical- and mechanically-characterized. The results showed a significant increase in density and a reduction of porosity in the samples during their transition from paper to nanopaper; besides, nanopapers were more transparent and smoother than normal papers. These physical changes where more evident with increasing amounts of NFC. Regarding mechanical properties, nanopapers with a 100 wt% content of NFC improved their strength and rigidity in 228 and 317 %, respectively, in comparison with normal papers. The evolution of strength and rigidity from paper to nanopaper was linear in relation to the amount of NFC, which means that the ultimate tensile strength was mainly dependant on nanofibril failure.

Keywords

Nanofibrillated cellulose Nanopaper Eucalyptus pulp Mechanical properties Physical properties 

Notes

Acknowledgments

The authors are thankful to the Spanish Ministry of Science and Innovation for the financial support given by the projects CTQ2010-21660-C03-03 and CTM2011-28506-C02-01 to develop this study.

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • I. González
    • 1
  • M. Alcalà
    • 2
  • G. Chinga-Carrasco
    • 3
  • F. Vilaseca
    • 1
  • S. Boufi
    • 4
  • P. Mutjé
    • 1
  1. 1.Group LEPAMAP, Department of Chemical EngineeringUniversity of GironaGeronaSpain
  2. 2.PRODIS Group, Department of Organization, Business Management and Product DesignUniversity of GironaGeronaSpain
  3. 3.Paper and Fibre Research Institute (PFI)TrondheimNorway
  4. 4.Laboratoire des Sciences des Matériaux et Environment, Faculté des Sciences de SfaxUniversité de SfaxSfaxTunisia

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