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Dow Chemical Co
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Dow Chemical Co
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Priority to ES463501ApriorityCriticalpatent/ES463501A2/es
Publication of ES463501A2publicationCriticalpatent/ES463501A2/es
Transition And Organic Metals Composition Catalysts For Addition Polymerization
(AREA)
Abstract
Mejoras introducidas en el objeto de la patente principal nº 436.796, concedida el 23 de Agosto de 1976 por: "Procedimiento para polimerizar una alfa-olefina" en condiciones características de polimerización de Ziegler, en el que se emplea un catalizador como se ha descrito en la mencionada patente principal, caracterizadas porque se preparan polímeros de alfa-olefinas que tienen una densidad aparente elevada, empleando un catalizador preparado como en la patente principal excepto que la concentración del magnesio en la mezcla de reacción intermedia es mayor de 0,1 molar.
ES463501A1977-10-251977-10-25Procedimiento para polimerizar una alfa-olefina.
ExpiredES463501A2
(es)
Procede pour preparer des polyolefines par polymerisation, ou copolymerisation, d'olefines en presence d'un catalyseur constitue d'un compose solide et d'un compose organometallique