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Abstract:

The changes in the network structure of SBR‐1712 during vulcanization were analyzed by means of a study of the stress–strain behavior at uniaxial extension at room temperature. In order to obtain different degrees of crosslinking, samples were cured at 414 K and 433 K at several times and were characterized by a rheometer. The conformational tube model was applied for the treatment of the stress–strain measurements of vulcanized samples. This theory allows the separation of crosslink and constraint contributions to the stress–strain behavior and relevant network parameters can be estimated. In this article the change with the temperature and time of cure of the average molecular mass of the mobile network chains, the crosslink density, the microscopic lateral tube dimension, and the root‐mean‐square end‐to‐end distance of the network chain are evaluated. © 1995 John Wiley & Sons, Inc. Copyright © 1995 John Wiley & Sons, Inc.

Registro:

Documento: Artículo
Título:Estimation by mechanical analysis of the molecular parameters of SBR vulcanizates at different cure conditions
Autor:Marzocca, A.J.
Filiación:Research Group, Av Blanco Encalada, San Fernado, Buenos Aires, 3003, Argentina
Universidad de Buenos Aires, Facultad de Ciencias Exactas Y Naturales, Dept Fisica Lpmpymc, Pabellón 1, Buenos Aires, 1428, Argentina
Palabras clave:Characterization; Crosslinking; Curing; Mechanical variables measurement; Parameter estimation; Rheometers; Separation; Strain; Stresses; Structure (composition); Vulcanization; Conformational tube model; Crosslink density; Mechanical analysis; Microscopic lateral tube dimension; Mobile network chain; Molecular parameter; Network structure; Root-mean-square end-to-end distance; Stress-strain measurement; Vulcanizate; Synthetic rubber
Año:1995
Volumen:58
Número:10
Página de inicio:1839
Página de fin:1845
DOI: http://dx.doi.org/10.1002/app.1995.070581022
Título revista:Journal of Applied Polymer Science
Título revista abreviado:J. Appl. Polym. Sci.
ISSN:00218995
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00218995_v58_n10_p1839_Marzocca

Referencias:

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Citas:

---------- APA ----------
(1995) . Estimation by mechanical analysis of the molecular parameters of SBR vulcanizates at different cure conditions. Journal of Applied Polymer Science, 58(10), 1839-1845.
http://dx.doi.org/10.1002/app.1995.070581022
---------- CHICAGO ----------
Marzocca, A.J. "Estimation by mechanical analysis of the molecular parameters of SBR vulcanizates at different cure conditions" . Journal of Applied Polymer Science 58, no. 10 (1995) : 1839-1845.
http://dx.doi.org/10.1002/app.1995.070581022
---------- MLA ----------
Marzocca, A.J. "Estimation by mechanical analysis of the molecular parameters of SBR vulcanizates at different cure conditions" . Journal of Applied Polymer Science, vol. 58, no. 10, 1995, pp. 1839-1845.
http://dx.doi.org/10.1002/app.1995.070581022
---------- VANCOUVER ----------
Marzocca, A.J. Estimation by mechanical analysis of the molecular parameters of SBR vulcanizates at different cure conditions. J. Appl. Polym. Sci. 1995;58(10):1839-1845.
http://dx.doi.org/10.1002/app.1995.070581022