Sericin as compatibilizer in starch/ polyester blown films

Detalhes bibliográficos
Autor(a) principal: Garcia,Patrícia Salomão
Data de Publicação: 2018
Outros Autores: Turbiani,Franciele Rezende Barbosa, Baron,Alessandra Machado, Brizola,Guilherme Luiz, Tavares,Mariane Alves, Yamashita,Fabio, Eiras,Daniel, Grossmann,Maria Victória Eiras
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Polímeros (São Carlos. Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282018000500389
Resumo: Abstract This study investigated the effects of low concentrations of sericin (≤ 1.5 wt%) in starch- poly(butylene-adipate-co-terephthalate) (PBAT) films. The films were produced by blown extrusion and mechanical, barrier and structural properties were determined. Films containing 1.0 and 1.5 wt% sericin showed higher tensile strength (6.41 and 6.59 MPa) and Young's modulus (90.88 and 132.71 MPa) compared with film without sericin (4.76 MPa and 18.64 MPa). When 0.5 wt% of sericin was used, the elongation was reduced by 62%. The addition of sericin in a concentration of 1.5% (w/w) decreased the water vapor permeability of films from 7.55 to 5.94 g (m s Pa)-1, likely due to the formation of a more homogeneous and compact matrix. Based on these results, a mechanism of action is proposed, whereby sericin acts at the interface of the polymers (starch and PBAT), reducing the interfacial tension and enhancing compatibility.
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spelling Sericin as compatibilizer in starch/ polyester blown filmsbiodegradable packagingcompatibilizationextrusionpoly(butylene- adipate-co-terephthalate)Abstract This study investigated the effects of low concentrations of sericin (≤ 1.5 wt%) in starch- poly(butylene-adipate-co-terephthalate) (PBAT) films. The films were produced by blown extrusion and mechanical, barrier and structural properties were determined. Films containing 1.0 and 1.5 wt% sericin showed higher tensile strength (6.41 and 6.59 MPa) and Young's modulus (90.88 and 132.71 MPa) compared with film without sericin (4.76 MPa and 18.64 MPa). When 0.5 wt% of sericin was used, the elongation was reduced by 62%. The addition of sericin in a concentration of 1.5% (w/w) decreased the water vapor permeability of films from 7.55 to 5.94 g (m s Pa)-1, likely due to the formation of a more homogeneous and compact matrix. Based on these results, a mechanism of action is proposed, whereby sericin acts at the interface of the polymers (starch and PBAT), reducing the interfacial tension and enhancing compatibility.Associação Brasileira de Polímeros2018-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282018000500389Polímeros v.28 n.5 2018reponame:Polímeros (São Carlos. Online)instname:Associação Brasileira de Polímeros (ABPol)instacron:ABPO10.1590/0104-1428.05117info:eu-repo/semantics/openAccessGarcia,Patrícia SalomãoTurbiani,Franciele Rezende BarbosaBaron,Alessandra MachadoBrizola,Guilherme LuizTavares,Mariane AlvesYamashita,FabioEiras,DanielGrossmann,Maria Victória Eiraseng2019-01-21T00:00:00Zoai:scielo:S0104-14282018000500389Revistahttp://www.scielo.br/pohttps://old.scielo.br/oai/scielo-oai.php||revista@abpol.org.br1678-51690104-1428opendoar:2019-01-21T00:00Polímeros (São Carlos. Online) - Associação Brasileira de Polímeros (ABPol)false
dc.title.none.fl_str_mv Sericin as compatibilizer in starch/ polyester blown films
title Sericin as compatibilizer in starch/ polyester blown films
spellingShingle Sericin as compatibilizer in starch/ polyester blown films
Garcia,Patrícia Salomão
biodegradable packaging
compatibilization
extrusion
poly(butylene- adipate-co-terephthalate)
title_short Sericin as compatibilizer in starch/ polyester blown films
title_full Sericin as compatibilizer in starch/ polyester blown films
title_fullStr Sericin as compatibilizer in starch/ polyester blown films
title_full_unstemmed Sericin as compatibilizer in starch/ polyester blown films
title_sort Sericin as compatibilizer in starch/ polyester blown films
author Garcia,Patrícia Salomão
author_facet Garcia,Patrícia Salomão
Turbiani,Franciele Rezende Barbosa
Baron,Alessandra Machado
Brizola,Guilherme Luiz
Tavares,Mariane Alves
Yamashita,Fabio
Eiras,Daniel
Grossmann,Maria Victória Eiras
author_role author
author2 Turbiani,Franciele Rezende Barbosa
Baron,Alessandra Machado
Brizola,Guilherme Luiz
Tavares,Mariane Alves
Yamashita,Fabio
Eiras,Daniel
Grossmann,Maria Victória Eiras
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Garcia,Patrícia Salomão
Turbiani,Franciele Rezende Barbosa
Baron,Alessandra Machado
Brizola,Guilherme Luiz
Tavares,Mariane Alves
Yamashita,Fabio
Eiras,Daniel
Grossmann,Maria Victória Eiras
dc.subject.por.fl_str_mv biodegradable packaging
compatibilization
extrusion
poly(butylene- adipate-co-terephthalate)
topic biodegradable packaging
compatibilization
extrusion
poly(butylene- adipate-co-terephthalate)
description Abstract This study investigated the effects of low concentrations of sericin (≤ 1.5 wt%) in starch- poly(butylene-adipate-co-terephthalate) (PBAT) films. The films were produced by blown extrusion and mechanical, barrier and structural properties were determined. Films containing 1.0 and 1.5 wt% sericin showed higher tensile strength (6.41 and 6.59 MPa) and Young's modulus (90.88 and 132.71 MPa) compared with film without sericin (4.76 MPa and 18.64 MPa). When 0.5 wt% of sericin was used, the elongation was reduced by 62%. The addition of sericin in a concentration of 1.5% (w/w) decreased the water vapor permeability of films from 7.55 to 5.94 g (m s Pa)-1, likely due to the formation of a more homogeneous and compact matrix. Based on these results, a mechanism of action is proposed, whereby sericin acts at the interface of the polymers (starch and PBAT), reducing the interfacial tension and enhancing compatibility.
publishDate 2018
dc.date.none.fl_str_mv 2018-12-01
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=S0104-14282018000500389
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282018000500389
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/0104-1428.05117
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 Associação Brasileira de Polímeros
publisher.none.fl_str_mv Associação Brasileira de Polímeros
dc.source.none.fl_str_mv Polímeros v.28 n.5 2018
reponame:Polímeros (São Carlos. Online)
instname:Associação Brasileira de Polímeros (ABPol)
instacron:ABPO
instname_str Associação Brasileira de Polímeros (ABPol)
instacron_str ABPO
institution ABPO
reponame_str Polímeros (São Carlos. Online)
collection Polímeros (São Carlos. Online)
repository.name.fl_str_mv Polímeros (São Carlos. Online) - Associação Brasileira de Polímeros (ABPol)
repository.mail.fl_str_mv ||revista@abpol.org.br
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