PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/163050 |
Resumo: | In this work, nanobiocomposites of poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) reinforced with cellulose nanofibrils (CNFs) were produced by electrospinning and solution casting process. CNFs were obtained by sulfuric acid hydrolysis from Imperata brasiliensis fibers. Nanocomposites loaded with 1 (wt. %) of CNFs were prepared using a mixture of solvents chloroform (CHCl3): N, N-dimethylformamide (DMF), in the ratio of 78:22 with 30 h of solubilization. Films by solution casting were obtained in a petri dish, at 50 degrees C for 1 hour, using drying casting temperature of 153 degrees C. Mats by electrospinning were obtained with a needle 20x10, drum collector rotation 27 rpm, and working distance of 10 cm. Films and mats were characterized by Scanning Electron Microscopy (SEM), X-ray diffraction (XRD) and Differential Scanning Calorimetry (DSC). It was possible to conclude that for nanobiocomposites obtained by solution casting, the addition of CNFs did not affect the transparency of the films, but provided a significant increase in the crystallization rate as observed by DSC analysis, while for electrospinning nanobiocomposites a considerable improvement in process increasing electrospinning time and quality of the mats manufactured, were observed. |
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Repositório Institucional da UNESP |
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PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning processcellulose nanofibrilsPHBVelectrospinningsolution castingIn this work, nanobiocomposites of poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) reinforced with cellulose nanofibrils (CNFs) were produced by electrospinning and solution casting process. CNFs were obtained by sulfuric acid hydrolysis from Imperata brasiliensis fibers. Nanocomposites loaded with 1 (wt. %) of CNFs were prepared using a mixture of solvents chloroform (CHCl3): N, N-dimethylformamide (DMF), in the ratio of 78:22 with 30 h of solubilization. Films by solution casting were obtained in a petri dish, at 50 degrees C for 1 hour, using drying casting temperature of 153 degrees C. Mats by electrospinning were obtained with a needle 20x10, drum collector rotation 27 rpm, and working distance of 10 cm. Films and mats were characterized by Scanning Electron Microscopy (SEM), X-ray diffraction (XRD) and Differential Scanning Calorimetry (DSC). It was possible to conclude that for nanobiocomposites obtained by solution casting, the addition of CNFs did not affect the transparency of the films, but provided a significant increase in the crystallization rate as observed by DSC analysis, while for electrospinning nanobiocomposites a considerable improvement in process increasing electrospinning time and quality of the mats manufactured, were observed.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Sao Paulo State Univ, UNESP, Dept Mat & Technol, Fatigue & Aeronaut Mat Grp, BR-12516410 Guaratingueta, SP, BrazilSao Paulo State Univ, UNESP, Dept Mat & Technol, Fatigue & Aeronaut Mat Grp, BR-12516410 Guaratingueta, SP, BrazilFAPESP: 2011/14153-8Univ Fed Rio De Janeiro, Lab HidrogenioUniversidade Estadual Paulista (Unesp)Carvalho Benini, Kelly C. C. de [UNESP]Hilario Cioffi, Maria Odila [UNESP]Cornelis Voorwald, Herman Jacobus [UNESP]2018-11-26T17:39:54Z2018-11-26T17:39:54Z2017-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article9application/pdfMateria-rio De Janeiro. Rio De Janeiro Rj: Univ Fed Rio De Janeiro, Lab Hidrogenio, v. 22, n. 2, 9 p., 2017.1517-7076http://hdl.handle.net/11449/163050WOS:000406342200003WOS000406342200003.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengMateria-rio De Janeiro0,188info:eu-repo/semantics/openAccess2024-07-02T15:03:32Zoai:repositorio.unesp.br:11449/163050Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T14:34:12.132294Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process |
title |
PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process |
spellingShingle |
PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process Carvalho Benini, Kelly C. C. de [UNESP] cellulose nanofibrils PHBV electrospinning solution casting |
title_short |
PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process |
title_full |
PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process |
title_fullStr |
PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process |
title_full_unstemmed |
PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process |
title_sort |
PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process |
author |
Carvalho Benini, Kelly C. C. de [UNESP] |
author_facet |
Carvalho Benini, Kelly C. C. de [UNESP] Hilario Cioffi, Maria Odila [UNESP] Cornelis Voorwald, Herman Jacobus [UNESP] |
author_role |
author |
author2 |
Hilario Cioffi, Maria Odila [UNESP] Cornelis Voorwald, Herman Jacobus [UNESP] |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Carvalho Benini, Kelly C. C. de [UNESP] Hilario Cioffi, Maria Odila [UNESP] Cornelis Voorwald, Herman Jacobus [UNESP] |
dc.subject.por.fl_str_mv |
cellulose nanofibrils PHBV electrospinning solution casting |
topic |
cellulose nanofibrils PHBV electrospinning solution casting |
description |
In this work, nanobiocomposites of poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) reinforced with cellulose nanofibrils (CNFs) were produced by electrospinning and solution casting process. CNFs were obtained by sulfuric acid hydrolysis from Imperata brasiliensis fibers. Nanocomposites loaded with 1 (wt. %) of CNFs were prepared using a mixture of solvents chloroform (CHCl3): N, N-dimethylformamide (DMF), in the ratio of 78:22 with 30 h of solubilization. Films by solution casting were obtained in a petri dish, at 50 degrees C for 1 hour, using drying casting temperature of 153 degrees C. Mats by electrospinning were obtained with a needle 20x10, drum collector rotation 27 rpm, and working distance of 10 cm. Films and mats were characterized by Scanning Electron Microscopy (SEM), X-ray diffraction (XRD) and Differential Scanning Calorimetry (DSC). It was possible to conclude that for nanobiocomposites obtained by solution casting, the addition of CNFs did not affect the transparency of the films, but provided a significant increase in the crystallization rate as observed by DSC analysis, while for electrospinning nanobiocomposites a considerable improvement in process increasing electrospinning time and quality of the mats manufactured, were observed. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-01-01 2018-11-26T17:39:54Z 2018-11-26T17:39:54Z |
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 |
Materia-rio De Janeiro. Rio De Janeiro Rj: Univ Fed Rio De Janeiro, Lab Hidrogenio, v. 22, n. 2, 9 p., 2017. 1517-7076 http://hdl.handle.net/11449/163050 WOS:000406342200003 WOS000406342200003.pdf |
identifier_str_mv |
Materia-rio De Janeiro. Rio De Janeiro Rj: Univ Fed Rio De Janeiro, Lab Hidrogenio, v. 22, n. 2, 9 p., 2017. 1517-7076 WOS:000406342200003 WOS000406342200003.pdf |
url |
http://hdl.handle.net/11449/163050 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Materia-rio De Janeiro 0,188 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
9 application/pdf |
dc.publisher.none.fl_str_mv |
Univ Fed Rio De Janeiro, Lab Hidrogenio |
publisher.none.fl_str_mv |
Univ Fed Rio De Janeiro, Lab Hidrogenio |
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 |
|
_version_ |
1808128379566686208 |