Evolution of the free volume and glass transition temperature with the degree of cure of polybutadiene rubbers

An investigation of the influence of the cure time on the glass transition temperature and nanostructure for two isomers of polybutadiene rubbers, CB25 (97% cis) and CB55 (38% cis), vulcanized at 433 K is presented. The samples were prepared with sulphur and TBBS (N-t-butyl-2-benzothiazole sulfenami...

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Autor principal: Mansilla, Marcela Angela
Otros Autores: Rodríguez Garraza, Ana Lucía, Silva, L., Salgueiro, W., Macchi, Carlos Eugenio, Marzocca, Angel José, Somoza, A.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2013
Acceso en línea:Registro en Scopus
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100 1 |a Mansilla, Marcela Angela 
245 1 0 |a Evolution of the free volume and glass transition temperature with the degree of cure of polybutadiene rubbers 
260 |c 2013 
270 1 0 |m Marzocca, A.J.; LPyMC, Departamento de Física, Ciudad Universitaria, Pabellón I, C1428EGA Buenos Aires, Argentina; email: amarzocca@fate.com.ar 
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506 |2 openaire  |e Política editorial 
520 3 |a An investigation of the influence of the cure time on the glass transition temperature and nanostructure for two isomers of polybutadiene rubbers, CB25 (97% cis) and CB55 (38% cis), vulcanized at 433 K is presented. The samples were prepared with sulphur and TBBS (N-t-butyl-2-benzothiazole sulfenamide), and several crosslink densities were achieved at the different selected cure times. The studies on the samples were carried out using differential scanning calorimetry and positron annihilation lifetime spectroscopy. The variation of the glass transition temperature with the degree of cure and its relation with the crosslink density is analyzed for each type of isomer. A correlation between the free nanohole volume and the crosslink density is also analyzed. From swelling tests, the absorbed solvent at room temperature is discussed in terms of the obtained free nanohole volumes, showing a correspondence between these parameters. In the frame of the obtained results, the cis to trans isomerisation of the elastomer with high cis content during the vulcanization is discussed. © 2013 Elsevier Ltd. All rights reserved.  |l eng 
593 |a IFIMAT, Facultad de Ciencias Exactas, UNCentro, Pinto 399, 7000 Tandil, Argentina 
593 |a LPyMC, Departamento de Física, Ciudad Universitaria, Pabellón I, C1428EGA Buenos Aires, Argentina 
593 |a Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina 
593 |a Comisión de Investigaciones Científicas de la Provincia de Buenos Aires, Calle 526 entre 10 y 11, 1900 La Plata, Argentina 
690 1 0 |a FREE VOLUME 
690 1 0 |a GLASS TRANSITION 
690 1 0 |a PALS 
690 1 0 |a POLYBUTADIENE RUBBER 
690 1 0 |a VULCANIZATION 
690 1 0 |a CROSS-LINK DENSITIES 
690 1 0 |a DEGREE OF CURE 
690 1 0 |a ISOMERISATION 
690 1 0 |a PALS 
690 1 0 |a POLYBUTADIENE RUBBERS 
690 1 0 |a POSITRON ANNIHILATION LIFETIME SPECTROSCOPY 
690 1 0 |a ROOM TEMPERATURE 
690 1 0 |a SWELLING TEST 
690 1 0 |a CURING 
690 1 0 |a DIFFERENTIAL SCANNING CALORIMETRY 
690 1 0 |a FREE VOLUME 
690 1 0 |a GLASS 
690 1 0 |a ISOMERS 
690 1 0 |a POLYBUTADIENES 
690 1 0 |a POSITRON ANNIHILATION SPECTROSCOPY 
690 1 0 |a RUBBER 
690 1 0 |a VULCANIZATION 
690 1 0 |a GLASS TRANSITION 
700 1 |a Rodríguez Garraza, Ana Lucía 
700 1 |a Silva, L. 
700 1 |a Salgueiro, W. 
700 1 |a Macchi, Carlos Eugenio 
700 1 |a Marzocca, Angel José 
700 1 |a Somoza, A. 
773 0 |d 2013  |g v. 32  |h pp. 686-690  |k n. 4  |p Polym Test  |x 01429418  |w (AR-BaUEN)CENRE-6542  |t Polymer Testing 
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856 4 0 |u https://doi.org/10.1016/j.polymertesting.2013.03.001  |y DOI 
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