Littérature scientifique sur le sujet « Nano cellulose fibrillée »
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Articles de revues sur le sujet "Nano cellulose fibrillée"
Michael Jacob Ioelovich. « Microcellulose Vs Nanocellulose – A Review ». World Journal of Advanced Engineering Technology and Sciences 5, no 2 (30 mars 2022) : 001–15. http://dx.doi.org/10.30574/wjaets.2022.5.2.0037.
Texte intégralOsong, Sinke H., Sven Norgren, Per Engstrand, Mathias Lundberg et Peter Hansen. « Crill : A novel technique to characterize nano-ligno-cellulose ». Nordic Pulp & ; Paper Research Journal 29, no 2 (1 mai 2014) : 190–94. http://dx.doi.org/10.3183/npprj-2014-29-02-p190-194.
Texte intégralSrinivasa, Prashanth, et Artem Kulachenko. « Analysis of the compressive response of Nano Fibrillar Cellulose foams ». Mechanics of Materials 80 (janvier 2015) : 13–26. http://dx.doi.org/10.1016/j.mechmat.2014.09.006.
Texte intégralWan, Ying, Jian Li, Jitong Ma, Yanan Li, Ren Wang, Zhengxing Chen et Tao Wang. « Fixing zein at the fibrillar carboxymethyl cellulose toward an amphiphilic nano-network ». Food Chemistry 398 (janvier 2023) : 133862. http://dx.doi.org/10.1016/j.foodchem.2022.133862.
Texte intégralSwingler, Sam, Abhishek Gupta, Hazel Gibson, Marek Kowalczuk, Wayne Heaselgrave et Iza Radecka. « Recent Advances and Applications of Bacterial Cellulose in Biomedicine ». Polymers 13, no 3 (28 janvier 2021) : 412. http://dx.doi.org/10.3390/polym13030412.
Texte intégralBhagia, Samarthya, John R. Dunlap, Mohammed Zahid A. Khuraishi, Richard R. Lowden, Wellington Muchero, Uday K. Vaidya, Yunqiao Pu et Arthur J. Ragauskas. « Fabrication of lignocellulosic biomass paper containing nanofibrillated biomass ». BioResources 16, no 1 (13 novembre 2020) : 209–22. http://dx.doi.org/10.15376/biores.16.1.209-222.
Texte intégralRaut, Mahendra P., Emmanuel Asare, Syed Mohammad Daniel Syed Mohamed, Elliot N. Amadi et Ipsita Roy. « Bacterial Cellulose-Based Blends and Composites : Versatile Biomaterials for Tissue Engineering Applications ». International Journal of Molecular Sciences 24, no 2 (4 janvier 2023) : 986. http://dx.doi.org/10.3390/ijms24020986.
Texte intégralŻywicka, Anna, Daria Ciecholewska-Juśko, Radosław Drozd, Rafał Rakoczy, Maciej Konopacki, Marian Kordas, Adam Junka, Paweł Migdał et Karol Fijałkowski. « Preparation of Komagataeibacter xylinus Inoculum for Bacterial Cellulose Biosynthesis Using Magnetically Assisted External-Loop Airlift Bioreactor ». Polymers 13, no 22 (15 novembre 2021) : 3950. http://dx.doi.org/10.3390/polym13223950.
Texte intégralQueirós, E. C., S. P. Pinheiro, J. E. Pereira, J. Prada, I. Pires, F. Dourado, P. Parpot et M. Gama. « Hemostatic Dressings Made of Oxidized Bacterial Nanocellulose Membranes ». Polysaccharides 2, no 1 (19 février 2021) : 80–99. http://dx.doi.org/10.3390/polysaccharides2010006.
Texte intégralSubramanian, Ramjee, Henrik Fordsmand et Hannu Paulapuro. « Precipitated calcium carbonate (PCC) - cellulose composite fillers : Effects of PCC particle structure on the production and properties of uncoated fine paper ». BioResources 2, no 1 (24 février 2007) : 91–105. http://dx.doi.org/10.15376/biores.2.1.91-105.
Texte intégralThèses sur le sujet "Nano cellulose fibrillée"
Castro, Cabrera Isis. « Epoxy vitrimer materials based on disulfide exchange chemistry : experimental study and modeling of the stress relaxation - application to composites reinforced by nanofibrillated cellulose ». Electronic Thesis or Diss., Toulon, 2021. http://www.theses.fr/2021TOUL0010.
Texte intégralEpoxy thermoset resins have drawn the attention of many industries due to their versatility, from adhesives to polymer composites. Yet, the re-processability, sustainability, and durability of resins limit their use. The covalent adaptable networks (CANs) like vitrimers can afford a solution to overcome these issues. The epoxy resin, DGEBA‒4-APDS, based on the disulfide exchange chemistry, has shown re-processability properties, but its vitrimer properties have not been fully verified. In the present work, all the vitrimer properties are reviewed to classify it as a vitrimer material. Interestingly, the vitrimer exchange operating temperature (Tv) is close to its glass transition (Tg). So, its relaxation behavior, slightly above Tg, is influenced by the bond exchange reactions and the segmental relaxations of the network. Thus, an adapted stress relaxation model that considers both relaxation phenomena is proposed. This developed rheological model leads to evaluate the epoxy vitrimer matrix reinforced by nano fibrillated cellulose (NFC). The vitrimer composite made with NFC performs a sustainable lightweight material and exhibits mechanical properties similar to non-covalent adaptable networks. A preliminary study to increase material durability has consisted in the NFC surface modification by glycidoxy silane coupling agent. A simple NFC grafting method is proposed, and the surface characterization of the silane network surrounding the NFC is well-explored
Falcoz-Vigne, Léa. « Caractérisation et modélisation des interactions cellulose - hémicelluloses au sein des microfibrilles de cellulose (MFC) ». Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAV091/document.
Texte intégralThe study was motivated by the necessity to reduce the high energy costs of Micro-Fibrillated Cellulose (MFC) production, which is a limiting factor for its industrial development and aimed at understanding the cellulose/hemicelluloses interaction within this system. MFC resulting from different chemical pulps were characterized by solid-state NMR spectroscopy to get information on the hemicelluloses content and molecular conformation. By optimizing an extraction protocol, more than 60% of the residual hemicelluloses were extracted from birch kraft MFC and characterized as a high purity homopolymer of β-1,4 linked xylan of DP 75.Turbidimetry was used to qualify the quality of the suspensions, which strongly depended on the pulping and drying history. Positive correlations between the state of dispersion, specific surface and mechanical properties of MFC-reinforced handsheets were evidenced.Cellulose/xylan interactions were investigated using solid-state NMR and atomistic molecular dynamics (MD) simulation. NMR spectra confirmed that xylan in contact with cellulose altered its conformation, from the three-fold helix to a presumable cellulose-like two-fold one. In combination with specific surface area measurements, the conformational change was shown to happen only for the first layer of xylan adsorbed in direct interaction with the cellulose surface. MD simulations showed that adsorbed xylan tends to align parallel to the cellulose chain direction fully extended. Interaction energy between xylan chain and cellulose surface estimated with MD was 9kJ/xylose. Then a three-layers system made of xylan between two cellulose films were built to perform adhesion tests that showed strong adhesion between xylan and cellulose surfaces. Xylanase was proposed as a pulp pretreatment for MFC production
Guezennec, Céline. « Développement de nouveaux matériaux d'emballage à partir de micro- et nano-fibrilles de cellulose ». Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENI067/document.
Texte intégralDevelopment of new packaging materials based on micro- and nano-fibrillated cellulose. The micro- and nanofibrillated cellulose (MFC/NFC) are nanomaterials from revewable resource with a high interest and partly for the packaging development. MFC combined both interesting properties (high tensile strength, good barrier to oxygen and grease, good transparency) and the advantages of natural cellulose source. The objective of this thesis was to develop a barrier packaging board based on MFC/NFC by coating processes. Firstly, the study focussed on the characterisation of the MFC suspensions, on the manufacturing of MFC self-standing films and on the determination of their properties. Secondly, the development of MFC based composites was studied as model films. The last part was devoted to the introduction of MFC in coating colours in order to develop a barrier layer at the board surface. Trials at pilot scale demonstrated the industrial feasibility of this product. The potential of the use of MFC/NFC was demonstrated to be used as a drying additive and a main composant of barrier layer. Keywords: Micro- and nanofibrillated cellulose, barrier layer, coating processes
Guezennec, Celine. « Développement de nouveaux matériaux d'emballage à partir de micro- et nano-fibrilles de cellulose ». Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00870839.
Texte intégralLin, Xiaofeng. « Toward nanofiltration membranes with layer-by-layer assembled and nano-reinforced separation layers ». Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAE012/document.
Texte intégralThis thesis work was devoted to the development of a novel and efficient nanofiltration membrane with improved properties (high flux and high retention, good mechanical strength) by coating Layer-by-Layer (LbL) assembled films onto porous membrane support. After having systematically studied the growth mechanism of LbL-assembled films of chosen polyelectrolytes and the relationship between the structures of these films and the membrane performance of the resulting NF membranes, we successfully identified the best multilayer structures for constructing nanofiltration membranes (NF) of reference with optimal membrane performance. Furthermore, taking advantages of the LbL-assembly, we successfully introduced LbL-assembled lateral diffusion layer that is made of either cellulose nanofibrils or carbon nanotubes, which in turn led to membranes with 30% higher flux. In addition, the LbL-assembled films of chitosan and cellulose nanofibrils showed surprisingly strong tensile strength of up to 450 MPa and a high Young modulus of up to 50 GPa