Polyolefin blends and pipe

Details Polyolefin blends and pipe Polyolefin blends and pipe

C - Chemistry, Metallurgy

08

L

C08L 23/08 (2006.01) C08J 5/00 (2006.01)

Patent

CA 2508436

A polyolefin blend comprising: (a) from 30 to 80 weight % of a low molecular weight copolymer comprising from 85 to 100 weight % of ethylene and from 15 to 0 weight % of one or more C4-8 alpha olefins having a density from 0.953 to 0.965 g/cm3 and a melt flow rate (2.16 kg 190°C) from 0.1 to 20.0 g/10 minutes; and~ (b) from 70 to 20 weight % of a high molecular weight copolymer comprising from 85 to 99.9 weight % of ethylene and from 15 to 0.1 weight of one or more C4-8 alpha olefins having a density from 0.915 to 0.940 g/cm3 and a melt flow rate (21.6 kg 190°C) from 0.05 to 5.0 g/10 minutes, said copolymer being prepared with a single site catalyst is useful in the preparation of pipe.

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