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http://ciateq.repositorioinstitucional.mx/jspui/handle/1020/121| Synthesis and characterization of high cis-polymyrcene using neodymium-based catalysts | |
| Ramón Díaz de León Francisco Javier Enríquez-Medrano Hortensia Maldonado Textle Ricardo Mendoza Carrizales YADIRA KARINA REYES ACOSTA Héctor López Jose Luis Olivares-Romero LUIS EDMUNDO LUGO URIBE | |
| Acceso Abierto | |
| Atribución-NoComercial-CompartirIgual | |
| http://onlinelibrary.wiley.com/doi/10.1002/cjce.22458/abstract 10.1002/cjce.22458 1939-019X | |
| β-myrcene Coordination polymerization Neodymium-based catalyst High cis-1,4 polymyrcene | |
| The monomer β-myrcene, a renewable resource, was polymerized in cyclohexane using two different Ziegler-Natta catalyst systems based on neodymium Nd(Oi-Pr)3 and NdV3. The Nd(Oi-Pr)3 was combined with [HNMe2Ph][B(C6F5)4] (or [CPh3][B(C6F5)4]) and Al(i-Bu)3 (or Al(i-Bu)2H). Next, the NdV3 was activated using Al(i-Bu)3 and AlEt2Cl. Both catalyst systems exhibited high polymer yields near 100 % in the established reaction time, high polymer molecular masses, and broad molecular mass distributions. The catalyst systems gave an effective and stereospecific polymerization reaction of β-myrcene providing high cis selectivity of 1,4-polymyrcenes (> 92 %) with a glass transition temperature between −66 and −62 °C. The above-mentioned features of resulting elastomers in conjunction with the polymer's molecular masses and molecular mass distributions proved to be sensitive to borane and alkylaluminum compounds molar ratios, [B]/[Nd] and [Al]/[Nd] using Nd(Oi-Pr)3 and [Cl]/[Nd] and [Al]/[Nd] with NdV3. The authors thank José Díaz Elizondo, Jesús Cepeda, Uriel Peña, Judith Cabello, and Guadalupe Tellez for their technical support. | |
| John Wiley & Sons, Inc. | |
| 2016 | |
| Artículo | |
| Canadian Journal of Chemical Engineering, Vol. 94, no. 5 (may), pag. 823-832 | |
| Inglés | |
| Público en general | |
| Díaz de León Gómez, R. E., Enríquez-Medrano, F. J., Maldonado Textle, H., Mendoza Carrizales, R., Reyes Acosta, K., López González, H. R., Olivares Romero, J. L. and Lugo Uribe, L. E. (2016), Synthesis and characterization of high cis-polymyrcene using neodymium-based catalysts. Can. J. Chem. Eng., 94: 823–832. doi:10.1002/cjce.22458 | |
| PROCESOS QUÍMICOS | |
| Versión revisada | |
| submittedVersion - Versión revisada | |
| Aparece en las colecciones: | Artículos Publicados en Revistas Indexadas |
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