Citric acid as multifunctional agent in blowing films of starch/PBAT

Detalhes bibliográficos
Autor(a) principal: Garcia,Patrícia Salomão
Data de Publicação: 2011
Outros Autores: Grossmann,Maria Victória Eiras, Yamashita,Fábio, Mali,Suzana, Dall'Antonia,Luiz Henrique, Barreto,Wagner José
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Química Nova (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422011000900005
Resumo: Citric acid was used as a compatibilizer in the production of starch and PBAT films plasticized with glycerol and processed by blow extrusion. Films produced were characterized by WVP, mechanical properties, FT-IR-ATR and SEM. WPV ranged from 3.71 to 12.73×10-11 g m-1 s-1 Pa-1, while tensile strength and elongation at break ranged from 1.81 to 7.15 MPa and from 8.61 to 23.63%, respectively. Increasing the citric acid concentration improved WVP and slightly decreased film resistance and elongation. The films micrographs revealed a more homogeneous material with the addition of citric acid. However, the infrared spectra revealed little about cross-linking esterification reaction
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spelling Citric acid as multifunctional agent in blowing films of starch/PBATstarchpolyestercompatibilizationCitric acid was used as a compatibilizer in the production of starch and PBAT films plasticized with glycerol and processed by blow extrusion. Films produced were characterized by WVP, mechanical properties, FT-IR-ATR and SEM. WPV ranged from 3.71 to 12.73×10-11 g m-1 s-1 Pa-1, while tensile strength and elongation at break ranged from 1.81 to 7.15 MPa and from 8.61 to 23.63%, respectively. Increasing the citric acid concentration improved WVP and slightly decreased film resistance and elongation. The films micrographs revealed a more homogeneous material with the addition of citric acid. However, the infrared spectra revealed little about cross-linking esterification reactionSociedade Brasileira de Química2011-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422011000900005Química Nova v.34 n.9 2011reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422011000900005info:eu-repo/semantics/openAccessGarcia,Patrícia SalomãoGrossmann,Maria Victória EirasYamashita,FábioMali,SuzanaDall'Antonia,Luiz HenriqueBarreto,Wagner Joséeng2011-11-16T00:00:00Zoai:scielo:S0100-40422011000900005Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2011-11-16T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Citric acid as multifunctional agent in blowing films of starch/PBAT
title Citric acid as multifunctional agent in blowing films of starch/PBAT
spellingShingle Citric acid as multifunctional agent in blowing films of starch/PBAT
Garcia,Patrícia Salomão
starch
polyester
compatibilization
title_short Citric acid as multifunctional agent in blowing films of starch/PBAT
title_full Citric acid as multifunctional agent in blowing films of starch/PBAT
title_fullStr Citric acid as multifunctional agent in blowing films of starch/PBAT
title_full_unstemmed Citric acid as multifunctional agent in blowing films of starch/PBAT
title_sort Citric acid as multifunctional agent in blowing films of starch/PBAT
author Garcia,Patrícia Salomão
author_facet Garcia,Patrícia Salomão
Grossmann,Maria Victória Eiras
Yamashita,Fábio
Mali,Suzana
Dall'Antonia,Luiz Henrique
Barreto,Wagner José
author_role author
author2 Grossmann,Maria Victória Eiras
Yamashita,Fábio
Mali,Suzana
Dall'Antonia,Luiz Henrique
Barreto,Wagner José
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Garcia,Patrícia Salomão
Grossmann,Maria Victória Eiras
Yamashita,Fábio
Mali,Suzana
Dall'Antonia,Luiz Henrique
Barreto,Wagner José
dc.subject.por.fl_str_mv starch
polyester
compatibilization
topic starch
polyester
compatibilization
description Citric acid was used as a compatibilizer in the production of starch and PBAT films plasticized with glycerol and processed by blow extrusion. Films produced were characterized by WVP, mechanical properties, FT-IR-ATR and SEM. WPV ranged from 3.71 to 12.73×10-11 g m-1 s-1 Pa-1, while tensile strength and elongation at break ranged from 1.81 to 7.15 MPa and from 8.61 to 23.63%, respectively. Increasing the citric acid concentration improved WVP and slightly decreased film resistance and elongation. The films micrographs revealed a more homogeneous material with the addition of citric acid. However, the infrared spectra revealed little about cross-linking esterification reaction
publishDate 2011
dc.date.none.fl_str_mv 2011-09-01
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=S0100-40422011000900005
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422011000900005
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0100-40422011000900005
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 Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Química Nova v.34 n.9 2011
reponame:Química Nova (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Química Nova (Online)
collection Química Nova (Online)
repository.name.fl_str_mv Química Nova (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv quimicanova@sbq.org.br
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