Search Results - "Posadas, P"

Characterization of Network Structure and Chain Dynamics of Elastomeric Ionomers by Means of 1H Low-Field NMR by Malmierca, M. A, González-Jiménez, A, Mora-Barrantes, I, Posadas, P, Rodríguez, A, Ibarra, L, Nogales, A, Saalwächter, K, Valentín, J. L

“…The network structure and chain dynamics of ionic elastomers based on carboxylated nitrile rubber (XNBR) cross-linked with different content of magnesium oxide…”
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New insight into structure-property relationships of natural rubber and styrene-butadiene rubber nanocomposites filled with MWCNT by Bernal-Ortega, Pilar, Bernal, M. Mar, González-Jiménez, Antonio, Posadas, P., Navarro, Rodrigo, Valentín, Juan L.

“…The outstanding properties of carbon nanotubes (CNT) have generated a lot of interest at a scientist and industrial level. CNT have attracted great attention…”
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Erratum to “New insight into structure-property relationships of natural rubber and styrene-butadiene rubber nanocomposites filled with MWCNT” [Polymer 201 (2020) 122604] by Bernal-Ortega, Pilar, Bernal, M. Mar, González-Jiménez, Antonio, Posadas, P., Navarro, Rodrigo, Valentín, Juan L.

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Inhomogeneities and Chain Dynamics in Diene Rubbers Vulcanized with Different Cure Systems by Valentín, J. L, Posadas, P, Fernández-Torres, A, Malmierca, M. A, González, L, Chassé, W, Saalwächter, K

“…In this study, we focus on qualitative differences in the network structure and dynamics of natural as well as poly(butadiene) rubber in dependence of the cure…”
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Risks associated with introduction of poeciliids for control of mosquito larvae: first record of the non‐native Gambusia holbrooki in Argentina by Cabrera, M. B., Bogan, S., Posadas, P., Somoza, G. M., Montoya‐Burgos, J. I., Cardoso, Y. P.

“…This study confirms the presence of two species of the non‐native mosquitofish Gambusia in Argentina. The risks that they represent to native biota, their…”
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Historical biogeography: A review of its basic concepts and critical issues by Posadas, P., Crisci, J.V., Katinas, L.

“…Biogeography (the study of the geographical distribution of organisms) ranges from descriptive to interpretative studies. Interpretative biogeography developed…”
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ESR investigation of NR and IR rubber vulcanized with different cross-linking agents by Posadas, P, Malmierca, M A, González-Jiménez, A, Ibarra, L, Rodríguez, A, Valentin, J L, Nagaoka, T, Yajima, H, Toki, S, Che, J, Rong, L, Hsiao, B S

“…This study evaluates the formation of radical species in natural rubber (NR) and poly-isoprene rubber (IR) during the vulcanization process and the uniaxial…”
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Novel anhydrous unfolded structure by heating of acid pre-treated sepiolite by Valentín, J.L., López-Manchado, M.A., Rodríguez, A., Posadas, P., Ibarra, L.

“…Acid activation of sepiolite removed the brucitic magnesium octahedral layers, while the tetrahedral sheets formed fibrous and amorphous silica. The…”
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ESR investigation of NR and IR rubber vulcanized with different cross-link agents by Posadas, P., Malmierca, M. A., Gonzalez-Jimenez, A., Ibarra, L., Rodriguez, A., Valentin, J. L., Nagaoka, T., Yajima, H., Toki, S., Che, J., Rong, L., Hsiao, B. S.

“…This study evaluates the formation of radical species in natural rubber (NR) and poly-isoprene rubber (IR) during the vulcanization process and the uniaxial…”
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Effect of the temperature on the kinetic of natural rubber vulcanization with the sulfur donor agent dipentamethylene thiuram tetrasulphide by Posadas, P, Fernández-Torres, A, Valentín, J.L, Rodríguez, A, González, L

“…The effect of the temperature on the kinetics of vulcanization of natural rubber with the sulfur donor agent dipentamethylene thiuram tetrasulphide (DPTT) was…”
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Measurements of freezing-point depression to evaluate rubber network structure. Crosslinking of natural rubber with dicumyl peroxide by Valentín, J. L., Fernández-Torres, A., Posadas, P., Marcos-Fernández, A., Rodríguez, A., González, L.

“…An experimental approach based on the freezing‐point depression of a solvent in a swollen gel has been developed to characterize the structure of rubber…”
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A comparative study of the effect of some paraffinic oils on rheological and dynamic properties and behavior at low temperature in EPDM rubber compounds by Ibarra, L., Posadas, P., Esteban-Martínez, M.

“…The influence of some paraffinic oils on rheological properties, dynamic properties, and behavior at low temperature of various ethylene–propylene–diene…”
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Vulcanization of polybutadiene rubber with dipentamethylene thiuram tetrasulfide by Posadas, P, Fernández, A, Brasero, J, Valentín, J.L, Marcos, A, Rodríguez, A, González, L

“…The cure of polybutadiene rubber (BR) with sulfur donor dipentamethylene thiuram tetrasulfide (DPTT) does not show reversion reaction, in contrast with similar…”
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Effect of a fatty amine on processing and physical properties of SBR compounds filled with silane-silica particles by Valentín, J. L., Posadas, P., Marcos-Fernández, A., Ibarra, L., Rodríguez, A.

“…The use of fatty amines, obtained from natural fatty acids, in rubber compounds to improve silica dispersion was evaluated. Fatty amines can interact with the…”
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Influence of some additives on rheological properties, viscosity, and dynamic mechanical properties in NR compounds by Ibarra, L., Posadas, P., Esteban-Martinez, M.

“…The effect of some processing aids, Redex‐2, Redex‐SP‐2, and Redex‐A, on rheological properties, tensile properties, and dynamic mechanical properties of…”
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Characterization of the reactivity of a silica derived from acid activation of sepiolite with silane by 29Si and 13C solid-state NMR by Valentín, J.L., López-Manchado, M.A., Posadas, P., Rodríguez, A., Marcos-Fernández, A., Ibarra, L.

“…The mechanism of the reaction between a silica sample coming from acid treatment of sepiolite (denominated Silsep) and an organosilane, namely…”
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ADVANCED CHARACTERIZATION OF RECYCLED RUBBER FROM END-OF-LIFE TIRES by Valentín, J. L., Pérez-Aparicio, R., Fernandez-Torres, A., Posadas, P., Herrero, R., Salamanca, F. M., Navarro, R., Saiz-Rodríguez, L.

“…ABSTRACT There are currently many well-established applications for recycled rubber from end-of-life tires (ELT), but it is essential to investigate and seek…”
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Relations of oxidative stress in freshwater phytoplankton with heavy metals and polycyclic aromatic hydrocarbons by Vega-López, Armando, Ayala-López, Griselda, Posadas-Espadas, Brenda P., Olivares-Rubio, Hugo F., Dzul-Caamal, Ricardo

“…The phytoplankton is the basis of food webs and also, may bioconcentrate different toxic substances. This phenomenon is well documented, but there are few…”
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Characterization of Network Structure and Chain Dynamics of Elastomeric Ionomers by Means of 1 H Low-Field NMR by Malmierca, M. A., González-Jiménez, A., Mora-Barrantes, I., Posadas, P., Rodríguez, A., Ibarra, L., Nogales, A., Saalwächter, K., Valentín, J. L.

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Where is historical biogeography going? The evolution of the discipline in the first decade of the 21st century by Posadas, Paula, Grossi, Mariana A., Ortiz-Jaureguizar, Edgardo

“…It has been argued that historical biogeography, the study of how processes that occur over long periods of time influence the distribution of life forms, is…”
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