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Reinforcement Effec...
Reinforcement Effects from Nanodiamond in Cellulose Nanofibril Films
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- Morimune-Moriya, Seira (författare)
- Chubu Univ, Coll Engn, Dept Appl Chem, Matsumoto, Nagano 4878501, Japan.
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- Salajkova, Michaela (författare)
- KTH,Fiber- och polymerteknologi,Wallenberg Wood Science Center
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- Zhou, Qi (författare)
- KTH,Wallenberg Wood Science Center,Skolan för bioteknologi (BIO)
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- Nishino, Takashi (författare)
- Kobe Univ, Grad Sch Engn, Dept Chem Sci & Engn, Kobe, Hyogo 6578501, Japan.
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- Berglund, Lars A. (författare)
- KTH,Fiber- och polymerteknologi,Wallenberg Wood Science Center
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Chubu Univ, Coll Engn, Dept Appl Chem, Matsumoto, Nagano 4878501, Japan Fiber- och polymerteknologi (creator_code:org_t)
- 2018-04-05
- 2018
- Engelska.
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Ingår i: Biomacromolecules. - : American Chemical Society (ACS). - 1525-7797 .- 1526-4602. ; 19:7, s. 2423-2431
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Although research on nanopaper structures from cellulose nanofibrils (CNFs) is well established, the mechanical behavior is not well understood, especially not when CNF is combined with hard nanoparticles. Cationic CNF (Q-CNF) was prepared and successfully decorated by anionic nanodiamond (ND) nanoparticles in hydrocolloidal form. The Q-CNF/ND nanocomposites were filtered from a hydrocolloid and dried. Unlike many other carbon nano composites, the QCNF/ND nanocomposites were optically transparent. Reinforcement effects from the nanodiamond were remarkable, such as Young's modulus (9.8 -> 16.6 GPa) and tensile strength (209.5 -> 277.5 MPa) at a content of only 1.9% v/v of ND, and the reinforcement mechanisms are discussed. Strong effects on CNF network deformation mechanisms were revealed by loading unloading experiments. Scratch hardness also increased strongly with increased addition of ND.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
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