Propylene polymers having broad molecular weight distribution

Details Propylene polymers having broad molecular weight distribution Propylene polymers having broad molecular weight distribution

C - Chemistry, Metallurgy

08

F

C08F 10/06 (2006.01) C08F 2/34 (2006.01) C08F 210/06 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2613188

Propylene homopolymers or copolymers containing up to 5.0 wt% of alpha-olefin units having from 2 to 8 carbon atoms other than propylene, characterized in that said propylene homopolymers or copolymers have Polydispersity Index value higher than 15, Melt Strength higher than 1.50 cN at 230°C and Melt Flow Rate (ISO1133, 230°C/2.16 Kg) from 0.01 to 20 g/10 min.

L'invention concerne des copolymères ou des homopolymères de propylène contenant jusqu'à 5,0 % en poids d'unités alpha-oléfines ayant de 2 à 8 atomes de carbone autres que le propylène, caractérisés en ce que leur indice de polydispersité est supérieur à 15, leur résistance en fusion est supérieure à 1,50 cN à 230 °C, et leur indice de fluidité (ISO1133, 230 °C/2,16 Kg) est compris entre 0,01 et 20 g/10 min.

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