The different trends of polymn. rate as a function of time obsd. when polymg. propene [115-07-1], ethylene [74-85-1], and mixts. thereof in the presence of MgCl2-supported catalysts are explained assuming that catalyst deactivation is due to the redn. of Ti(III) by alkylaluminum to lower, polymn.-inactive oxidn. states, and that ethylene polymn. is diffusion-controlled. A possible route for Ti redn. is also presented, which might give the reason for the obsd. kinetics of polymn. rate decay.
POLYMERIZATION OF PROPENE IN THE PRESENCE OF MGCL2-SUPPORTED ZIEGLER-NATTA CATALYSTS .3. CATALYST DEACTIVATION / Busico, Vincenzo; Corradini, P; Ferraro, A; Proto, A.. - In: DIE MAKROMOLEKULARE CHEMIE. - ISSN 0025-116X. - STAMPA. - (1986), pp. 1125-1130.
POLYMERIZATION OF PROPENE IN THE PRESENCE OF MGCL2-SUPPORTED ZIEGLER-NATTA CATALYSTS .3. CATALYST DEACTIVATION
BUSICO, VINCENZO;
1986
Abstract
The different trends of polymn. rate as a function of time obsd. when polymg. propene [115-07-1], ethylene [74-85-1], and mixts. thereof in the presence of MgCl2-supported catalysts are explained assuming that catalyst deactivation is due to the redn. of Ti(III) by alkylaluminum to lower, polymn.-inactive oxidn. states, and that ethylene polymn. is diffusion-controlled. A possible route for Ti redn. is also presented, which might give the reason for the obsd. kinetics of polymn. rate decay.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
