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  • 1.
    Bordeaneu, Nico
    et al.
    Swiss Federal Laboratories for Materials Testing and Research (EMPA).
    Eyholzer, Christian
    Lopez-Suevos, F.
    Swiss Federal Laboratories for Materials Testing and Research (EMPA).
    Zimmerman, Tanja
    Swiss Federal Laboratories for Materials Testing and Research (EMPA).
    Chemical tailoring and characterization of cellulose nanofibrils2008In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 235, no 24Article in journal (Other academic)
  • 2.
    Bordeanu, Nico
    et al.
    Applied Wood Materials Laboratory, Swiss Federal Laboratories for Materials Science and Technology (EMPA), CH-8600 Dübendorf.
    Eyholzer, Christian
    Zimmerman, Tanja
    Applied Wood Materials Laboratory, Swiss Federal Laboratories for Materials Science and Technology (EMPA), CH-8600 Dübendorf.
    Richter, Klaus
    Applied Wood Materials Laboratory, Swiss Federal Laboratories for Materials Science and Technology (EMPA), CH-8600 Dübendorf.
    Chemical routes for functional redispersible cellulose nanofibrils2008In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 235, no 24Article in journal (Other academic)
    Abstract [en]

    This lecture will present chemical routes designed for the large scale production of functional, redispersible cellulose nanofibrils (CNF) with applications in the field of adhesives, packaging and textiles. Suspensions of CNF obtained by mechanical disintegration and homogenization of pulps from bleached beech, wheat straw and oat were chemically surface-treated (e.g. silane condensation, etherification, oxidation reactions) prior to drying. This facilitates redispersion of the CNF in polymer matrices, organic or non-organic solvents showing the same network formation as native CNF suspensions. Also, treated CNF are carriers of functional groups (COOH, NH2) which are amenable to further chemical modification (e.g. by cross linking with biopolymers like PLA). The chemically modified CNF were characterized by spectroscopic (NMR, FT-IR, XPS) and morphological (SEM-EDX) methods. Also, the mechanical performance of resulting nanocomposites (CNF embedded in a model polymer matrix) was evaluated by mechanical (universal tensile tests) and dynamic mechanical analysis (DMA).

  • 3.
    Eyholzer, Christian
    et al.
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Lopez-Suevos, Francisco
    Applied Wood Materials Laboratory, Swiss Federal Laboratories for Materials Science and Technology (EMPA), CH-8600 Dübendorf.
    Bordeanu, Nico
    Applied Wood Materials Laboratory, Swiss Federal Laboratories for Materials Science and Technology (EMPA), CH-8600 Dübendorf.
    Zimmermann, Tanja
    Applied Wood Materials Laboratory, Swiss Federal Laboratories for Materials Science and Technology (EMPA), CH-8600 Dübendorf.
    Oksman, Kristiina
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Structure and properties of functional cellulose fibrils-based nanocomposites2008In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 235, no 24Article in journal (Other academic)
  • 4.
    Goetz, Lee
    et al.
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Ragauskas, Art J.
    Georgia Institute of Technology.
    Mathew, Aji P.
    Oksman, Kristiina
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Tying cellulose whiskers together2008In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 235, no 229Article in journal (Other academic)
  • 5.
    Lee, Koon-Yang
    et al.
    UCL, Department of Chemical Engineering, London.
    Aitomäki, Yvonne
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Berglund, Lars
    Kungliga tekniska högskolan, KTH, Luleå tekniska universitet, Wallenberg Wood Science Centre, Royal Institute of Technology.
    Oksman, Kristiina
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Bismarck, Alexander
    Vienna University of Technology, Polymer & Composite Engineering (PaCE) Group, Department of Chemical Engineering, Imperial College London, South Kensington Campus.
    Utilising the full potential of bacterial cellulose in composite materials: Can it be done?2014In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 247Article in journal (Refereed)
  • 6.
    Mathew, Aji P.
    et al.
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Karim, Zoheb
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Liu, Peng
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Oksman, Kristiina
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Nanocellulose as functional material for water cleaning2014In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 247Article in journal (Refereed)
  • 7.
    Mikkonen, Krisi S.
    et al.
    Helsinki University.
    Mathew, Aji P.
    Xu, Chunlin
    Åbo Akademi.
    Willfor, Stefan M.
    Åbo Akademi.
    Tenkanen, Maija
    Helsinki University.
    Oksman, Kristiina
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Mannan-cellulose nanocomposites2008In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 235, no 228Article in journal (Other academic)
  • 8.
    Nättinen, Kalle
    et al.
    VTT Technical Research Centre of Finland, Espoo.
    Peltola, Heidi
    VTT Technical Research Centre of Finland, Espoo.
    Madsen, Bo
    Technical University of Denmark, National Laboratory of Sustainable Energy, Materials Research Division, Riso.
    Joffe, Roberts
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Effects of process history on natural fibre properties in composites2011In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 241, p. 222-CELLArticle in journal (Other academic)
  • 9.
    Skoglund, Nils
    et al.
    Umea University, Applied Physics & Electronics.
    Öhman, Marcus
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
    Boström, Dan
    Umeå University, Energy Technology and Thermal Process Chemistry.
    Ash transformation reactions for phosphorus-rich biomass and waste streams2017In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 254, article id 25Article in journal (Refereed)
  • 10.
    Stelte, Wolfgang
    et al.
    Luleå tekniska universitet.
    Mathew, Aji P.
    Oksman, Kristiina
    Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
    Preparation of bionanocomposites for medical applications2008In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 235, no 251Article in journal (Other academic)
  • 11.
    Su, Fenwei
    et al.
    Luleå tekniska universitet.
    Sun, Zhong-Xi
    Luleå tekniska universitet.
    Forsling, Willis
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
    Studies on the surface complexation(sorption) of magnetite in aqueous suspension1993In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 205, no 1, p. 82-GEOCArticle in journal (Other academic)
  • 12.
    Wu, Liuming
    et al.
    Luleå tekniska universitet.
    Forsling, Willis
    Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
    Acid-base and complexation properties of hydrous fluorapatite surfaces1993In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 205, no 1, p. 125-GEOCArticle in journal (Other academic)
  • 13.
    Zimmerman, Tanja
    et al.
    Swiss Federal Laboratories for Materials Testing and Research (EMPA).
    Bordeanu, Nico
    Swiss Federal Laboratories for Materials Testing and Research (EMPA).
    Eyholzer, Christian
    Richter, Klaus
    Swiss Federal Laboratories for Materials Testing and Research (EMPA).
    Characteristics and technical applications of cellulose nanofibrils2008In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 235, no 25Article in journal (Other academic)
  • 14.
    Zimmerman, Tanja
    et al.
    Swiss Federal Laboratories for Materials Testing and Research (EMPA).
    Bordeau, Nico
    Swiss Federal Laboratories for Materials Testing and Research (EMPA).
    Eyholzer, Christian
    Richter, Klaus
    Swiss Federal Laboratories for Materials Testing and Research (EMPA).
    High potential of cellulose nanofibrils for technical applications2008In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 235, no 24Article in journal (Other academic)
    Abstract [en]

    Cellulose nanofibrils could be very useful for an application in waterborne coatings or adhesives to improve hardness, cohesive and adhesive strength, stiffness, exploitation or thermal creep. Application developments in electronics (LCD panels) where the transparency of cellulose nanocomposites could be used or in nanopapers for filters and membranes are also conceivable. A challenge is the combination of cellulose fibrils with natural polymers. Extensive applications in medicine, food, packaging or transportation are conceivable. Possible raw materials are polymers like poly lactic acid (PLA). To expand the use of bio-based nanocomposites for high-value applications, it is necessary to avoid the reagglomeration and internal entanglement of cellulose fibrils and to improve their homogeneous dispersion in hydrophobic polymers. Special research emphasis is therefore given to the appropriate chemical modification of cellulose nanofibrils. An overview of the high application potential of cellulose nanofibrils with respect to own product development activities will be presented.

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