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

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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	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	I P
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	2015
http://linked.open...aciTvurceVysledku	Dlouhý, Ivo Bertolla, Luca
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	38992
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/14:00435367
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bioceramcs; bioglass (R) scaffolds; porous materials; polymer coating; composite coating (en)
http://linked.open.../riv/klicoveSlovo	porous materials polymer coating composite coating bioceramcs bioglass (R) scaffolds
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[81DB20E1AF7F]
http://linked.open...i/riv/nazevZdroje	Journal of the European Ceramic Society
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	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	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jeurceramsoc.2014.04.003

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