Abstract:
Vulcanized styrene butadiene rubber (SBR) with different cure systems was prepared and analyzed by using the model of rubber elasticity based on the tube concept, applied to the treatment of the stress-strain measurements. Samples with several ratio accelerators to sulfur, Λ, between 0.22 and 3.0 cured at 433 K were studied. The network chain density and the crosslink density of the samples were evaluated. By means of normalized rheometer curves, the kinetics of cure of these samples were evaluated by considering the model of isothermal curing proposed by Kamal and Sourour. In this frame, the parameters of the kinetics model were obtained. A correlation between the order of the kinetic equation, n, and the network chain density of the cure samples was established.
Registro:
| Documento: |
Artículo
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| Título: | An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR |
| Autor: | Marzocca, J.; Goyanes, S. |
| Filiación: | Universidad de Buenos Aires, Facultad Ciencias Exactas Naturales, Depto. de Fis., LPMPyMC, Pabellón 1, Buenos Aires (1428), Argentina
CONICET, Argentina
|
| Palabras clave: | Crosslink density; Cure reaction; SBR vulcanizates; Tube model; Crosslinking; Curing; Density (specific gravity); Elasticity; Mathematical models; Mechanical variables measurement; Reaction kinetics; Rheometers; Strain; Stresses; Sulfur; Vulcanization; Isothermal curing; Network chain density; Styrene butadiene rubber; Uniaxial stress strain behavior; Rubber; spectrophotometry |
| Año: | 2004
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| Volumen: | 91
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| Número: | 4
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| Página de inicio: | 2601
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| Página de fin: | 2609
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| DOI: |
http://dx.doi.org/10.1002/app.13463 |
| Título revista: | Journal of Applied Polymer Science
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| Título revista abreviado: | J. Appl. Polym. Sci.
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| ISSN: | 00218995
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| CODEN: | JAPNA
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| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00218995_v91_n4_p2601_Marzocca |
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Citas:
---------- APA ----------
Marzocca, J. & Goyanes, S.
(2004)
. An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR. Journal of Applied Polymer Science, 91(4), 2601-2609.
http://dx.doi.org/10.1002/app.13463---------- CHICAGO ----------
Marzocca, J., Goyanes, S.
"An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR"
. Journal of Applied Polymer Science 91, no. 4
(2004) : 2601-2609.
http://dx.doi.org/10.1002/app.13463---------- MLA ----------
Marzocca, J., Goyanes, S.
"An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR"
. Journal of Applied Polymer Science, vol. 91, no. 4, 2004, pp. 2601-2609.
http://dx.doi.org/10.1002/app.13463---------- VANCOUVER ----------
Marzocca, J., Goyanes, S. An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR. J. Appl. Polym. Sci. 2004;91(4):2601-2609.
http://dx.doi.org/10.1002/app.13463
