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Wood Research and Technology

Holzforschung

Cellulose – Hemicelluloses – Lignin – Wood Extractives

Editor-in-Chief: Faix, Oskar

Editorial Board: Daniel, Geoffrey / Militz, Holger / Rosenau, Thomas / Salmen, Lennart / Sixta, Herbert / Vuorinen, Tapani / Argyropoulos, Dimitris S. / Balakshin, Yu / Barnett, J. R. / Burgert, Ingo / Rio, Jose C. / Evans, Robert / Evtuguin, Dmitry V. / Frazier, Charles E. / Fukushima, Kazuhiko / Gindl-Altmutter, Wolfgang / Glasser, W. G. / Holmbom, Bjarne / Isogai, Akira / Kadla, John F. / Koch, Gerald / Lachenal, Dominique / Laine, Christiane / Mansfield, Shawn D. / Morrell, J.J. / Niemz, Peter / Potthast, Antje / Ragauskas, Arthur J. / Ralph, John / Rice, Robert W. / Salin, Jarl-Gunnar / Schmitt, Uwe / Schultz, Tor P. / Sipilä, Jussi / Takano, Toshiyuki / Tamminen, Tarja / Theliander, Hans / Welling, Johannes / Willför, Stefan / Yoshihara, Hiroshi

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Volume 66, Issue 6

Issues

Southern pine impregnated with silicate solution containing cellulose nanofibrils

Yucheng Peng
  • Corresponding author
  • School of Forest Resources, University of Maine, Orono, ME 04469, USA
  • AEWC Advanced Structures and Composites Center, University of Maine, Orono, ME 04469, USA
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  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Yousoo Han
  • School of Forest Resources, University of Maine, Orono, ME 04469, USA
  • AEWC Advanced Structures and Composites Center, University of Maine, Orono, ME 04469, USA
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Douglas J. Gardner
  • School of Forest Resources, University of Maine, Orono, ME 04469, USA
  • AEWC Advanced Structures and Composites Center, University of Maine, Orono, ME 04469, USA
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2012-03-29 | DOI: https://doi.org/10.1515/hf-2011-0128

Abstract

A drying process has been tested to impregnate southern pine (Pinus spp.) samples with sodium silicate solution. The effect of adding cellulose nanofibrils in the treating solution was also studied. The mechanical tests show that the flexural modulus of rupture (MOR) and modulus of elasticity (MOE) increased significantly with increasing concentration of sodium silicate. The highest MOR and MOE of the treated samples were 170±13 MPa and 19±1 GPa, respectively, while the corresponding data of the control sample were 98±8 MPa and 11±1 GPa respectively. Deposition of polymerized silicate in the wood cell lumina was observed. The compression strength was improved by the incorporation of polymerized silicate to increase the measured flexural properties. The presence of cellulose nanofibrils in the sodium silicate solution had no effect.

Keywords: cellulose nanofibrils; sodium silicate solution; solid wood

About the article

Corresponding author. AEWC Advanced Structures and Composites Center, University of Maine, Orono, ME 04469, USA


Received: 2011-06-22

Accepted: 2012-03-05

Published Online: 2012-03-29

Published in Print: 2012-08-01


Citation Information: , Volume 66, Issue 6, Pages 735–737, ISSN (Online) 1437-434X, ISSN (Print) 0018-3830, DOI: https://doi.org/10.1515/hf-2011-0128.

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©2012 by Walter de Gruyter Berlin Boston. Copyright Clearance Center

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