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dc.contributor.author
Mansilla, Marcela Angela  
dc.contributor.author
Valentín, J. L.  
dc.contributor.author
López Manchado, M. A.  
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González Jiménez, A.  
dc.contributor.author
Marzocca, Angel José  
dc.date.available
2017-06-15T21:47:36Z  
dc.date.issued
2016-08  
dc.identifier.citation
Mansilla, Marcela Angela; Valentín, J. L.; López Manchado, M. A.; González Jiménez, A.; Marzocca, Angel José; Effect of entanglements in the microstructure of cured NR/SBR blends prepared by solution and mixing in a two-roll mill; Elsevier; European Polymer Journal; 81; 8-2016; 365-375  
dc.identifier.issn
0014-3057  
dc.identifier.uri
http://hdl.handle.net/11336/18294  
dc.description.abstract
The influence of preparation methodology of vulcanized elastomeric blends of natural rubber (NR) and styrene butadiene rubber (SBR) on the phase morphology and network structure has been studied. Two different compounding methodologies have been applied: (i) mechanical mixing in a two-roll mill and (ii) blending in solution, by dissolving the elastomers in an appropriated solvent. Samples with different NR/SBR ratios were vulcanized by using a conventional cure system based on sulfur and TBBS (n-t-butyl-2-benzothiazole sulfenamide) as accelerator. The phase distribution of rubber matrices in the blends was investigated by transmission electron microscopy (TEM), identifying differences in the compounds according to the preparation method. Weak residual dipolar couplings caused by the existence of cross-links and topological constraints in vulcanized samples were characterized by using proton multiple-quantum (MQ) NMR spectroscopy. The structural results obtained by NMR and equilibrium swelling experiments were compared and complemented with viscosity measurements. It was found that the preparation method has a strong influence on the phase morphology of blends and the molecular network structure of each rubber phase, with an important variation in the entanglements contribution, which is more pronounced when the prepared blends are richer in NR.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Elsevier  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Rubber Blend  
dc.subject
Entanglement  
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Nuclear Magnetic Resonance Spectroscopy  
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Swelling  
dc.subject.classification
Otras Ciencias Físicas  
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Ciencias Físicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Effect of entanglements in the microstructure of cured NR/SBR blends prepared by solution and mixing in a two-roll mill  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2017-06-15T19:46:37Z  
dc.journal.volume
81  
dc.journal.pagination
365-375  
dc.journal.pais
Países Bajos  
dc.journal.ciudad
Amsterdam  
dc.description.fil
Fil: Mansilla, Marcela Angela. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Exactas. Instituto de Física de Materiales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Valentín, J. L.. Consejo Superior de Investigaciones Cientificas; España  
dc.description.fil
Fil: López Manchado, M. A.. Consejo Superior de Investigaciones Cientificas; España  
dc.description.fil
Fil: González Jiménez, A.. Consejo Superior de Investigaciones Cientificas; España  
dc.description.fil
Fil: Marzocca, Angel José. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina  
dc.journal.title
European Polymer Journal  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.eurpolymj.2016.06.023  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0014305716301574?via%3Dihub