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Abstract:

Three commercial polybutadiene rubber (BR) compounds (high cis, medium cis and high vinyl content) were vulcanized at 433 K, using different amounts of dicumyl peroxide (DCP) as curing agent. To analyze the structural changes produced by the vulcanization process of the three BR isomers, different experimental techniques (rheometry, swelling tests, differential scanning calorimetry and positron annihilation lifetime spectroscopy) were used. The evolution of the free nanohole volumes, the glass transition temperatures and the polymer fractions at the maximum degree of swelling as a function of the DCP content in the formulation of the different BR compounds are discussed. A correlation between the glass transition temperature and torque variation and a relationship between the fraction of absorbed solvent and free nanohole volume as a function of the DCP content are also considered. © 2016 Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Comparative study of thermal, mechanical and structural properties of polybutadiene rubber isomers vulcanized using peroxide
Autor:Rodríguez Garraza, A.L.; Mansilla, M.A.; Depaoli, E.L.; Macchi, C.; Cerveny, S.; Marzocca, A.J.; Somoza, A.
Filiación:Centro de Física de Materiales, Material Physics Centre (MPC), CSIC UPV/EHU, Paseo Manuel de Lardizabal 5, San Sebastián, 20018, Spain
IFIMAT (UNCPBA), CIFICEN (UNCPBA-CONICET-CICPBA), Pinto 399, Tandil, B7000GHG, Argentina
Departamento Metrología de Radioisótopos, Centro Atómico Ezeiza - Comisión Nacional de Energía Atómica, Ezeiza, B1802AYA, Argentina
Laboratorio de Polímeros y Materiales Compuestos, Departamento de Física, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, C1428EHA, Argentina
Palabras clave:Differential scanning calorimetry; Polybutadiene rubber; Positron annihilation lifetime spectroscopy; Rheometry; Swelling; Vulcanization; Calorimeters; Calorimetry; Differential scanning calorimetry; Glass; Isomers; Oxidation; Peroxides; Polybutadienes; Positron annihilation spectroscopy; Positrons; Rheometers; Rubber; Swelling; Temperature; Vulcanization; Comparative studies; Experimental techniques; Polybutadiene rubbers; Polymer fractions; Positron annihilation lifetime spectroscopy; Rheometry; Torque variations; Vulcanization process; Glass transition
Año:2016
Volumen:52
Página de inicio:117
Página de fin:123
DOI: http://dx.doi.org/10.1016/j.polymertesting.2016.04.010
Título revista:Polymer Testing
Título revista abreviado:Polym Test
ISSN:01429418
CODEN:POTED
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01429418_v52_n_p117_RodriguezGarraza

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Citas:

---------- APA ----------
Rodríguez Garraza, A.L., Mansilla, M.A., Depaoli, E.L., Macchi, C., Cerveny, S., Marzocca, A.J. & Somoza, A. (2016) . Comparative study of thermal, mechanical and structural properties of polybutadiene rubber isomers vulcanized using peroxide. Polymer Testing, 52, 117-123.
http://dx.doi.org/10.1016/j.polymertesting.2016.04.010
---------- CHICAGO ----------
Rodríguez Garraza, A.L., Mansilla, M.A., Depaoli, E.L., Macchi, C., Cerveny, S., Marzocca, A.J., et al. "Comparative study of thermal, mechanical and structural properties of polybutadiene rubber isomers vulcanized using peroxide" . Polymer Testing 52 (2016) : 117-123.
http://dx.doi.org/10.1016/j.polymertesting.2016.04.010
---------- MLA ----------
Rodríguez Garraza, A.L., Mansilla, M.A., Depaoli, E.L., Macchi, C., Cerveny, S., Marzocca, A.J., et al. "Comparative study of thermal, mechanical and structural properties of polybutadiene rubber isomers vulcanized using peroxide" . Polymer Testing, vol. 52, 2016, pp. 117-123.
http://dx.doi.org/10.1016/j.polymertesting.2016.04.010
---------- VANCOUVER ----------
Rodríguez Garraza, A.L., Mansilla, M.A., Depaoli, E.L., Macchi, C., Cerveny, S., Marzocca, A.J., et al. Comparative study of thermal, mechanical and structural properties of polybutadiene rubber isomers vulcanized using peroxide. Polym Test. 2016;52:117-123.
http://dx.doi.org/10.1016/j.polymertesting.2016.04.010