About: Preparation and characterization of Bioglass-based scaffolds reinforced bypoly-vinyl alcohol/microfibrillated cellulose composite coating     Goto   Sponge   NotDistinct   Permalink

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  • The present work deals with the preparation and mechanical characterization of Bioglase (R)-based porous scaffolds reinforced by a composite coating constituted by polyvinyl alcohol (PVA) and microfibrillated cellulose (MFC). Samples were produced by foam replication process, using a novel ethanol-based Bioglass (R) slurry. The addition of PVA/MFC coating led to a 10 fold increase of compressive strength and a 20 fold increase of tensile strength in comparison with non-coated scaffolds. SEM observations of broken struts surfaces proved the reinforcing and toughening effect of the composite coating which were ascribed to crack bridging and fracture of cellulose fibrils. The mechanical properties of the coatings were investigated by tensile testing of PVA/MFC composite stripes. The stirring time of the PVA/MFC solution came out as a crucial parameter in order to achieve a more homogeneous dispersion of the fibers and therefore enhanced strength and stiffness.
  • The present work deals with the preparation and mechanical characterization of Bioglase (R)-based porous scaffolds reinforced by a composite coating constituted by polyvinyl alcohol (PVA) and microfibrillated cellulose (MFC). Samples were produced by foam replication process, using a novel ethanol-based Bioglass (R) slurry. The addition of PVA/MFC coating led to a 10 fold increase of compressive strength and a 20 fold increase of tensile strength in comparison with non-coated scaffolds. SEM observations of broken struts surfaces proved the reinforcing and toughening effect of the composite coating which were ascribed to crack bridging and fracture of cellulose fibrils. The mechanical properties of the coatings were investigated by tensile testing of PVA/MFC composite stripes. The stirring time of the PVA/MFC solution came out as a crucial parameter in order to achieve a more homogeneous dispersion of the fibers and therefore enhanced strength and stiffness. (en)
Title
  • Preparation and characterization of Bioglass-based scaffolds reinforced bypoly-vinyl alcohol/microfibrillated cellulose composite coating
  • Preparation and characterization of Bioglass-based scaffolds reinforced bypoly-vinyl alcohol/microfibrillated cellulose composite coating (en)
skos:prefLabel
  • Preparation and characterization of Bioglass-based scaffolds reinforced bypoly-vinyl alcohol/microfibrillated cellulose composite coating
  • Preparation and characterization of Bioglass-based scaffolds reinforced bypoly-vinyl alcohol/microfibrillated cellulose composite coating (en)
skos:notation
  • RIV/68081723:_____/14:00435367!RIV15-AV0-68081723
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(ED1.1.00/02.0068)
http://linked.open...iv/cisloPeriodika
  • 14
http://linked.open...vai/riv/dodaniDat
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  • 38992
http://linked.open...ai/riv/idVysledku
  • RIV/68081723:_____/14:00435367
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  • bioceramcs; bioglass (R) scaffolds; porous materials; polymer coating; composite coating (en)
http://linked.open.../riv/klicoveSlovo
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  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [81DB20E1AF7F]
http://linked.open...i/riv/nazevZdroje
  • Journal of the European Ceramic Society
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http://linked.open...vavai/riv/projekt
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  • 34
http://linked.open...iv/tvurceVysledku
  • Boccaccini, A. R.
  • Dlouhý, Ivo
  • Bertolla, Luca
http://linked.open...ain/vavai/riv/wos
  • 000340222800017
issn
  • 0955-2219
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.jeurceramsoc.2014.04.003
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