Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcement

Detalhes bibliográficos
Autor(a) principal: Borges, Alexandre L. S. [UNESP]
Data de Publicação: 2015
Outros Autores: Muenchow, Eliseu A., Oliveira Souza, Ana Carolina de [UNESP], Yoshida, Takamitsu, Vallittu, Pekka K., Bottino, Marco C.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://www.sciencedirect.com/science/article/pii/S1751616115001009
http://hdl.handle.net/11449/128897
Resumo: The aims of this study were (1) to synthesize and characterize random and aligned nanocomposite fibers of multi-walled carbon nanotubes (MWCNT)/nylon-6 and (2) to determine their reinforcing effects on the flexural strength of a dental resin composite.Nylon-6 was dissolved in hexafluoropropanol (10 wt%), followed by the addition of MWCNT (hereafter referred to as nanotubes) at two distinct concentrations (i.e., 0.5 or 1.5 wt%). Neat nylon-6 fibers (without nanotubes) were also prepared. The solutions were electrospun using parameters under low- (120 rpm) or high-speed (6000 rpm) mandrel rotation to collect random and aligned fibers, respectively. The processed fiber mats were characterized by scanning (SEM) and transmission (TEM) electron microscopies, as well as by uni-axial tensile testing. To determine the reinforcing effects on the flexural strength of a dental resin composite, bar-shaped (20 x 2 x 2 mm(3)) resin composite specimens were prepared by first placing one increment of the composite, followed by one strip of the mat, and one last increment of composite. Non-reinforced composite specimens were used as the control. The specimens were then evaluated using flexural strength testing. SEM was done on the fractured surfaces. The data were analyzed using ANOVA and the Tukey's test (alpha=5%).Nanotubes were successfully incorporated into the nylon-6 fibers. Aligned and random fibers were obtained using high- and low-speed electrospinning, respectively, where the former were significantly (p<0.001) stronger than the latter, regardless of the nanotubes'presence. Indeed, the dental resin composite tested was significantly reinforced when combined with nylon-6 fibrous mats composed of aligned fibers (with or without nanotubes) or random fibers incorporated with nanotubes at 0.5 wt%. (C) 2015 Elsevier Ltd. All rights reserved.
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spelling Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcementNanofibersNylon-6MWCNTComposite resinFiber reinforcementThe aims of this study were (1) to synthesize and characterize random and aligned nanocomposite fibers of multi-walled carbon nanotubes (MWCNT)/nylon-6 and (2) to determine their reinforcing effects on the flexural strength of a dental resin composite.Nylon-6 was dissolved in hexafluoropropanol (10 wt%), followed by the addition of MWCNT (hereafter referred to as nanotubes) at two distinct concentrations (i.e., 0.5 or 1.5 wt%). Neat nylon-6 fibers (without nanotubes) were also prepared. The solutions were electrospun using parameters under low- (120 rpm) or high-speed (6000 rpm) mandrel rotation to collect random and aligned fibers, respectively. The processed fiber mats were characterized by scanning (SEM) and transmission (TEM) electron microscopies, as well as by uni-axial tensile testing. To determine the reinforcing effects on the flexural strength of a dental resin composite, bar-shaped (20 x 2 x 2 mm(3)) resin composite specimens were prepared by first placing one increment of the composite, followed by one strip of the mat, and one last increment of composite. Non-reinforced composite specimens were used as the control. The specimens were then evaluated using flexural strength testing. SEM was done on the fractured surfaces. The data were analyzed using ANOVA and the Tukey's test (alpha=5%).Nanotubes were successfully incorporated into the nylon-6 fibers. Aligned and random fibers were obtained using high- and low-speed electrospinning, respectively, where the former were significantly (p<0.001) stronger than the latter, regardless of the nanotubes'presence. Indeed, the dental resin composite tested was significantly reinforced when combined with nylon-6 fibrous mats composed of aligned fibers (with or without nanotubes) or random fibers incorporated with nanotubes at 0.5 wt%. (C) 2015 Elsevier Ltd. All rights reserved.Indiana Univ, Sch Dent, Dept Restorat Dent, Div Dent Biomat, Indianapolis, IN 46202 USAUniv Estadual Paulista UNESP, Inst Sci &Technol, Dept Dent Mat &Prosthodont, Sao Jose Campos Dent Sch, Sao Paulo, BrazilUniv Fed Pelotas, Grad Program Dent, BR-96065100 Pelotas, RS, BrazilUniv Turku &City Turku, Dept Biomat Sci, Div Welf Div, TCBC,Inst Dent, Turku, FinlandUniv Estadual Paulista UNESP, Inst Sci &Technol, Dept Dent Mat &Prosthodont, São Jose Campos Dent Sch, São Paulo, BrazilElsevier B.V.Indiana UniversityUniversidade Estadual Paulista (Unesp)Universidade Federal de Pelotas (UFPel)University of Turku and City of TurkuBorges, Alexandre L. S. [UNESP]Muenchow, Eliseu A.Oliveira Souza, Ana Carolina de [UNESP]Yoshida, TakamitsuVallittu, Pekka K.Bottino, Marco C.2015-10-21T13:15:15Z2015-10-21T13:15:15Z2015-08-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article134-144http://www.sciencedirect.com/science/article/pii/S1751616115001009Journal Of The Mechanical Behavior Of Biomedical Materials, v. 48, p. 134-144, 2015.1751-6161http://hdl.handle.net/11449/12889710.1016/j.jmbbm.2015.03.019WOS:00035620850001292344560035636660000-0002-5707-7565Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal Of The Mechanical Behavior Of Biomedical Materials3.2390,958info:eu-repo/semantics/openAccess2021-10-23T21:56:58Zoai:repositorio.unesp.br:11449/128897Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:12:47.555874Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcement
title Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcement
spellingShingle Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcement
Borges, Alexandre L. S. [UNESP]
Nanofibers
Nylon-6
MWCNT
Composite resin
Fiber reinforcement
title_short Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcement
title_full Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcement
title_fullStr Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcement
title_full_unstemmed Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcement
title_sort Effect of random/aligned nylon-6/MWCNT fibers on dental resin composite reinforcement
author Borges, Alexandre L. S. [UNESP]
author_facet Borges, Alexandre L. S. [UNESP]
Muenchow, Eliseu A.
Oliveira Souza, Ana Carolina de [UNESP]
Yoshida, Takamitsu
Vallittu, Pekka K.
Bottino, Marco C.
author_role author
author2 Muenchow, Eliseu A.
Oliveira Souza, Ana Carolina de [UNESP]
Yoshida, Takamitsu
Vallittu, Pekka K.
Bottino, Marco C.
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Indiana University
Universidade Estadual Paulista (Unesp)
Universidade Federal de Pelotas (UFPel)
University of Turku and City of Turku
dc.contributor.author.fl_str_mv Borges, Alexandre L. S. [UNESP]
Muenchow, Eliseu A.
Oliveira Souza, Ana Carolina de [UNESP]
Yoshida, Takamitsu
Vallittu, Pekka K.
Bottino, Marco C.
dc.subject.por.fl_str_mv Nanofibers
Nylon-6
MWCNT
Composite resin
Fiber reinforcement
topic Nanofibers
Nylon-6
MWCNT
Composite resin
Fiber reinforcement
description The aims of this study were (1) to synthesize and characterize random and aligned nanocomposite fibers of multi-walled carbon nanotubes (MWCNT)/nylon-6 and (2) to determine their reinforcing effects on the flexural strength of a dental resin composite.Nylon-6 was dissolved in hexafluoropropanol (10 wt%), followed by the addition of MWCNT (hereafter referred to as nanotubes) at two distinct concentrations (i.e., 0.5 or 1.5 wt%). Neat nylon-6 fibers (without nanotubes) were also prepared. The solutions were electrospun using parameters under low- (120 rpm) or high-speed (6000 rpm) mandrel rotation to collect random and aligned fibers, respectively. The processed fiber mats were characterized by scanning (SEM) and transmission (TEM) electron microscopies, as well as by uni-axial tensile testing. To determine the reinforcing effects on the flexural strength of a dental resin composite, bar-shaped (20 x 2 x 2 mm(3)) resin composite specimens were prepared by first placing one increment of the composite, followed by one strip of the mat, and one last increment of composite. Non-reinforced composite specimens were used as the control. The specimens were then evaluated using flexural strength testing. SEM was done on the fractured surfaces. The data were analyzed using ANOVA and the Tukey's test (alpha=5%).Nanotubes were successfully incorporated into the nylon-6 fibers. Aligned and random fibers were obtained using high- and low-speed electrospinning, respectively, where the former were significantly (p<0.001) stronger than the latter, regardless of the nanotubes'presence. Indeed, the dental resin composite tested was significantly reinforced when combined with nylon-6 fibrous mats composed of aligned fibers (with or without nanotubes) or random fibers incorporated with nanotubes at 0.5 wt%. (C) 2015 Elsevier Ltd. All rights reserved.
publishDate 2015
dc.date.none.fl_str_mv 2015-10-21T13:15:15Z
2015-10-21T13:15:15Z
2015-08-01
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.sciencedirect.com/science/article/pii/S1751616115001009
Journal Of The Mechanical Behavior Of Biomedical Materials, v. 48, p. 134-144, 2015.
1751-6161
http://hdl.handle.net/11449/128897
10.1016/j.jmbbm.2015.03.019
WOS:000356208500012
9234456003563666
0000-0002-5707-7565
url http://www.sciencedirect.com/science/article/pii/S1751616115001009
http://hdl.handle.net/11449/128897
identifier_str_mv Journal Of The Mechanical Behavior Of Biomedical Materials, v. 48, p. 134-144, 2015.
1751-6161
10.1016/j.jmbbm.2015.03.019
WOS:000356208500012
9234456003563666
0000-0002-5707-7565
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Journal Of The Mechanical Behavior Of Biomedical Materials
3.239
0,958
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 134-144
dc.publisher.none.fl_str_mv Elsevier B.V.
publisher.none.fl_str_mv Elsevier B.V.
dc.source.none.fl_str_mv Web of Science
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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