Ethylene polymer composition

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 23/04 (2006.01) B29C 47/00 (2006.01) C08F 297/08 (2006.01) C08L 23/08 (2006.01)

Patent

CA 2657305

A polyethylene composition is disclosed having an unpigmented density of at least 946 kg/m3 and a melt index MI5 of 0.05 to 2 g/10 min, and comprising from 48 to 49.5% by weight based on the total weight of the composition of an ethylene polymer fraction (A) having a density of at least 969 kg/m3, and from 50.5 to 52% by weight with based on the total weight of the composition of a copolymer fraction (B) of ethylene and 1-hexene having a melt index MI5 of 0.001 to 0.5 g/10 min and a density of no more than 930 kg/m3.

L'invention concerne une composition de polyéthylène, ladite composition présentant une densité à l'état non pigmenté supérieure ou égale à 946 kg/m3 et un indice de fluidité à chaud MI5 de 0,05 à 2 g/10 min, et se composant, à raison de 48 à 49,5 % en poids par rapport au poids total de la composition, d'une fraction polymère d'éthylène (A) ayant une densité supérieure ou égale à 969 kg/m3,et à raison de 50,5 à 52 % en poids par rapport au poids total de la composition, d'une fraction copolymère (B) d'éthylène et de 1-hexène ayant une indice de fluidité à chaud MI5 de 0,001 à 0,5 g/10 min et une densité inférieure ou égale à 930 kg/m3.

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