Polyethylene compositions having improved optical and...

Details Polyethylene compositions having improved optical and... Polyethylene compositions having improved optical and...

C - Chemistry, Metallurgy

08

L

C08L 23/16 (2006.01) C08L 23/08 (2006.01) C08L 23/14 (2006.01)

Patent

CA 2336816

Polyethylene composition comprising (percentages by weight): A) from 60 to 95 % of an LLDPE copolymer having a density from 0.905 to 0.935 g/cm3, Mw/Mn values less than 4 and F/E ratio values greater than 20; B) from 5 to 40 % of one or more crystalline copolymers of propylene selected from among defined copolymers of propylene with ethylene and/or higher alpha-olefins.

Composition de polyéthylène contenant (en pourcentages en poids): (A) 60 à 95 % d'un copolymère linéaire d'éthylène de faible densité (LLDPE) dont la densité est située entre 0,905 et 0,935 g/cm?3¿, des valeurs de M¿w?/M¿n? inférieures à 4 et des valeurs de rapport F/E supérieures à 20; (B) 5 à 40 % d'un ou plusieurs copolymères de propylène cristallins sélectionnés parmi des copolymères de propylène définis avec éthylène et/ou des alpha-oléfines supérieures.

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