Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide Derivatives

Detalhes bibliográficos
Autor(a) principal: Gois,Gelsoneide da Silva
Data de Publicação: 2017
Outros Autores: Andrade,Michelle Félix de, Garcia,Sônia Maria Silva, Vinhas,Glória Maria, Santos,Amélia S. F., Medeiros,Eliton S., Oliveira,Juliano E., Almeida,Yêda Medeiros Bastos de
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Materials research (São Carlos. Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000800899
Resumo: Due to its ester bonds, poly(lactic acid) (PLA) undergoes biodegradation in humid environments, attracting market attention. The goal of this work was to observe the biodegradation in garden soil of PLA nanocomposites with neat (PLA/CNW) and surfactant modified cellulose nanowhiskers (PLA/CNW/S). Three types of surfactants were tested: poly(ethylene glycol) monooleate (PEGMONO) and poly(ethylene glycol) with molecular weight of 300 and 1000 Da. The films were obtained by solution casting, cut in strips of (2x2) cm and buried in garden soil, monitoring the temperature and humidity. After 90, 120 and 150 days changes were observed in the films by visual inspection, polarized light microscopy, thermogravimetric analysis (TGA) and Fourier transform infrared spectroscopy (FTIR). The results showed that the addition of surfactant favored the biodegradation of nanocomposites and that PLA/CNW/PEG1000 showed the fastest biodegradation rate.
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spelling Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide DerivativesbiodegradationPLACNWsurfactantDue to its ester bonds, poly(lactic acid) (PLA) undergoes biodegradation in humid environments, attracting market attention. The goal of this work was to observe the biodegradation in garden soil of PLA nanocomposites with neat (PLA/CNW) and surfactant modified cellulose nanowhiskers (PLA/CNW/S). Three types of surfactants were tested: poly(ethylene glycol) monooleate (PEGMONO) and poly(ethylene glycol) with molecular weight of 300 and 1000 Da. The films were obtained by solution casting, cut in strips of (2x2) cm and buried in garden soil, monitoring the temperature and humidity. After 90, 120 and 150 days changes were observed in the films by visual inspection, polarized light microscopy, thermogravimetric analysis (TGA) and Fourier transform infrared spectroscopy (FTIR). The results showed that the addition of surfactant favored the biodegradation of nanocomposites and that PLA/CNW/PEG1000 showed the fastest biodegradation rate.ABM, ABC, ABPol2017-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000800899Materials Research v.20 suppl.2 2017reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/1980-5373-mr-2016-0960info:eu-repo/semantics/openAccessGois,Gelsoneide da SilvaAndrade,Michelle Félix deGarcia,Sônia Maria SilvaVinhas,Glória MariaSantos,Amélia S. F.Medeiros,Eliton S.Oliveira,Juliano E.Almeida,Yêda Medeiros Bastos deeng2018-04-12T00:00:00Zoai:scielo:S1516-14392017000800899Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2018-04-12T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false
dc.title.none.fl_str_mv Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide Derivatives
title Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide Derivatives
spellingShingle Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide Derivatives
Gois,Gelsoneide da Silva
biodegradation
PLA
CNW
surfactant
title_short Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide Derivatives
title_full Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide Derivatives
title_fullStr Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide Derivatives
title_full_unstemmed Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide Derivatives
title_sort Soil Biodegradation of PLA/CNW Nanocomposites Modified with Ethylene Oxide Derivatives
author Gois,Gelsoneide da Silva
author_facet Gois,Gelsoneide da Silva
Andrade,Michelle Félix de
Garcia,Sônia Maria Silva
Vinhas,Glória Maria
Santos,Amélia S. F.
Medeiros,Eliton S.
Oliveira,Juliano E.
Almeida,Yêda Medeiros Bastos de
author_role author
author2 Andrade,Michelle Félix de
Garcia,Sônia Maria Silva
Vinhas,Glória Maria
Santos,Amélia S. F.
Medeiros,Eliton S.
Oliveira,Juliano E.
Almeida,Yêda Medeiros Bastos de
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Gois,Gelsoneide da Silva
Andrade,Michelle Félix de
Garcia,Sônia Maria Silva
Vinhas,Glória Maria
Santos,Amélia S. F.
Medeiros,Eliton S.
Oliveira,Juliano E.
Almeida,Yêda Medeiros Bastos de
dc.subject.por.fl_str_mv biodegradation
PLA
CNW
surfactant
topic biodegradation
PLA
CNW
surfactant
description Due to its ester bonds, poly(lactic acid) (PLA) undergoes biodegradation in humid environments, attracting market attention. The goal of this work was to observe the biodegradation in garden soil of PLA nanocomposites with neat (PLA/CNW) and surfactant modified cellulose nanowhiskers (PLA/CNW/S). Three types of surfactants were tested: poly(ethylene glycol) monooleate (PEGMONO) and poly(ethylene glycol) with molecular weight of 300 and 1000 Da. The films were obtained by solution casting, cut in strips of (2x2) cm and buried in garden soil, monitoring the temperature and humidity. After 90, 120 and 150 days changes were observed in the films by visual inspection, polarized light microscopy, thermogravimetric analysis (TGA) and Fourier transform infrared spectroscopy (FTIR). The results showed that the addition of surfactant favored the biodegradation of nanocomposites and that PLA/CNW/PEG1000 showed the fastest biodegradation rate.
publishDate 2017
dc.date.none.fl_str_mv 2017-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000800899
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000800899
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1980-5373-mr-2016-0960
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv ABM, ABC, ABPol
publisher.none.fl_str_mv ABM, ABC, ABPol
dc.source.none.fl_str_mv Materials Research v.20 suppl.2 2017
reponame:Materials research (São Carlos. Online)
instname:Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
instname_str Universidade Federal de São Carlos (UFSCAR)
instacron_str ABM ABC ABPOL
institution ABM ABC ABPOL
reponame_str Materials research (São Carlos. Online)
collection Materials research (São Carlos. Online)
repository.name.fl_str_mv Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)
repository.mail.fl_str_mv dedz@power.ufscar.br
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