An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR
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 cu...
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| Formato: | JOUR |
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_00218995_v91_n4_p2601_Marzocca |
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todo:paper_00218995_v91_n4_p2601_Marzocca2023-10-03T14:22:33Z An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR Marzocca, J. Goyanes, S. 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 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. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00218995_v91_n4_p2601_Marzocca |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
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 |
| spellingShingle |
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 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 |
| topic_facet |
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 |
| description |
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. |
| format |
JOUR |
| author |
Marzocca, J. Goyanes, S. |
| author_facet |
Marzocca, J. Goyanes, S. |
| author_sort |
Marzocca, J. |
| title |
An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR |
| title_short |
An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR |
| title_full |
An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR |
| title_fullStr |
An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR |
| title_full_unstemmed |
An analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of SBR |
| title_sort |
analysis of the influence of the accelerator/sulfur ratio in the cure reaction and the uniaxial stress-strain behavior of sbr |
| url |
http://hdl.handle.net/20.500.12110/paper_00218995_v91_n4_p2601_Marzocca |
| work_keys_str_mv |
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1807314764481691648 |