Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques

Detalhes bibliográficos
Autor(a) principal: Hiranobe,Carlos Toshiyuki
Data de Publicação: 2021
Outros Autores: Ribeiro,Gabriel Deltrejo, Torres,Giovanni Barrera, Reis,Elton Aparecido Prado dos, Cabrera,Flávio Camargo, Job,Aldo Eloizo, Paim,Leonardo Lataro, Santos,Renivaldo José dos
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=S1516-14392021000700214
Resumo: Abstract This paper investigated the formation of crosslinks in natural rubber compounds in the vulcanization systems: conventional (CV), semi-efficient (SEV), and efficient (EV), processed with three types of accelerators: MBTS (dibenzothiazole disulfide), TMTD (tetramethylthiuram disulfide) and CBS (n-cyclohexyl 2-benzothiazole sulfenamide). The cross-linked densities were determined by organic solvent swelling, dynamic mechanical analysis (DMA), stress vs strain, and low-field nuclear magnetic resonance, the latter being the reference technique for comparison with the other results. It was found that the choice of accelerator type influences the processing time and the cross-linked density of the vulcanizate. The four techniques showed close values of cross-linked density for natural rubber compounds, demonstrating that the analytical techniques studied can be applied to determine cross-linked density.
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spelling Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical TechniquesNatural rubbercross-linked densityFlory-RehnerMooney-RivlinNMRAbstract This paper investigated the formation of crosslinks in natural rubber compounds in the vulcanization systems: conventional (CV), semi-efficient (SEV), and efficient (EV), processed with three types of accelerators: MBTS (dibenzothiazole disulfide), TMTD (tetramethylthiuram disulfide) and CBS (n-cyclohexyl 2-benzothiazole sulfenamide). The cross-linked densities were determined by organic solvent swelling, dynamic mechanical analysis (DMA), stress vs strain, and low-field nuclear magnetic resonance, the latter being the reference technique for comparison with the other results. It was found that the choice of accelerator type influences the processing time and the cross-linked density of the vulcanizate. The four techniques showed close values of cross-linked density for natural rubber compounds, demonstrating that the analytical techniques studied can be applied to determine cross-linked density.ABM, ABC, ABPol2021-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700214Materials Research v.24 suppl.1 2021reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/1980-5373-mr-2021-0041info:eu-repo/semantics/openAccessHiranobe,Carlos ToshiyukiRibeiro,Gabriel DeltrejoTorres,Giovanni BarreraReis,Elton Aparecido Prado dosCabrera,Flávio CamargoJob,Aldo EloizoPaim,Leonardo LataroSantos,Renivaldo José doseng2021-07-21T00:00:00Zoai:scielo:S1516-14392021000700214Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2021-07-21T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false
dc.title.none.fl_str_mv Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques
title Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques
spellingShingle Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques
Hiranobe,Carlos Toshiyuki
Natural rubber
cross-linked density
Flory-Rehner
Mooney-Rivlin
NMR
title_short Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques
title_full Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques
title_fullStr Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques
title_full_unstemmed Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques
title_sort Cross-Linked Density Determination of Natural Rubber Compounds by Different Analytical Techniques
author Hiranobe,Carlos Toshiyuki
author_facet Hiranobe,Carlos Toshiyuki
Ribeiro,Gabriel Deltrejo
Torres,Giovanni Barrera
Reis,Elton Aparecido Prado dos
Cabrera,Flávio Camargo
Job,Aldo Eloizo
Paim,Leonardo Lataro
Santos,Renivaldo José dos
author_role author
author2 Ribeiro,Gabriel Deltrejo
Torres,Giovanni Barrera
Reis,Elton Aparecido Prado dos
Cabrera,Flávio Camargo
Job,Aldo Eloizo
Paim,Leonardo Lataro
Santos,Renivaldo José dos
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Hiranobe,Carlos Toshiyuki
Ribeiro,Gabriel Deltrejo
Torres,Giovanni Barrera
Reis,Elton Aparecido Prado dos
Cabrera,Flávio Camargo
Job,Aldo Eloizo
Paim,Leonardo Lataro
Santos,Renivaldo José dos
dc.subject.por.fl_str_mv Natural rubber
cross-linked density
Flory-Rehner
Mooney-Rivlin
NMR
topic Natural rubber
cross-linked density
Flory-Rehner
Mooney-Rivlin
NMR
description Abstract This paper investigated the formation of crosslinks in natural rubber compounds in the vulcanization systems: conventional (CV), semi-efficient (SEV), and efficient (EV), processed with three types of accelerators: MBTS (dibenzothiazole disulfide), TMTD (tetramethylthiuram disulfide) and CBS (n-cyclohexyl 2-benzothiazole sulfenamide). The cross-linked densities were determined by organic solvent swelling, dynamic mechanical analysis (DMA), stress vs strain, and low-field nuclear magnetic resonance, the latter being the reference technique for comparison with the other results. It was found that the choice of accelerator type influences the processing time and the cross-linked density of the vulcanizate. The four techniques showed close values of cross-linked density for natural rubber compounds, demonstrating that the analytical techniques studied can be applied to determine cross-linked density.
publishDate 2021
dc.date.none.fl_str_mv 2021-01-01
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=S1516-14392021000700214
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000700214
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1980-5373-mr-2021-0041
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.24 suppl.1 2021
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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