METHOD FOR OBTAINING POLYBUTADIENE USING NEODYMIUM-BASED CATALYSTS AND A VINYL AROMATIC MONOMER AS A REACTION MEANS

The present invention describes a method for the obtention of polybutadiene using catalytic systems based on neodymium of the tertiary type and a monomer of the aromatic vinyl type as a dissolvent. The variation in the reaction conditions and in the type of catalytic system used, allows the macro an...

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Hauptverfasser:	ENRIQUE JAVIER JIMENEZ REGALADO, GABRIEL IVAN MURO DELABRA, HENED SAADE CABALLERO, RAMON ENRIQUE DIAZ DE LEON GOMEZ, FLORENTINO SORIANO CORRAL, RAUL GUILLERMO LOPEZ CAMPOS, PATRICIA ADRIANA DE LEON MARTINEZ, GABRIELA BOSQUES IBARRA, RICARDO MENDOZA CARRILZALES
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
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Beschreibung
Zusammenfassung:	The present invention describes a method for the obtention of polybutadiene using catalytic systems based on neodymium of the tertiary type and a monomer of the aromatic vinyl type as a dissolvent. The variation in the reaction conditions and in the type of catalytic system used, allows the macro and microstructure of the obtained polybutadiene to be modified, as well as the catalytic activity in the reaction system. La presente invención describe un método para la obtención de polibutadieno utilizando sistemas catalíticos basados en neodimio del tipo terciario y un monómero del tipo vinil aromático como disolvente. La variación en las condiciones de reacción y en el tipo de sistema catalítico empleado permite modificar la macro y microestructura en los polibutadienos obtenidos, así como la actividad catalítica en el sistema de reacción.