Polyethylene composition

Details Polyethylene composition Polyethylene composition

C - Chemistry, Metallurgy

08

L

400/4919

C08L 23/06 (2006.01)

Patent

CA 1118137

ABSTRACT OF THE DISCLOSURE An intimately melted and homogenized polyethylene composition having excellent physical properties and moldabiiity and comprising a high- medium density polyethylene having a high molecular weight (A), a high-medium density polyethylene having a low molecular weight (B) and a low density polyethylene (C) characterized in that: (i) the average molecular weight of (A) is 100,000 - 1,000,000, the average molecular weight of (B) is 1,000 - 100,000, the molecular weight ratio of (A) to (B) is 5 - 200, and (C) has an intrinsic viscosity [?] of 0.70 dl/g or more in decalin at 135°C and an expansion factor of 3.3 or more, and (ii) the mixing ratio (A)/(B) is 30/70 to 80/20 and the mixing ratio of (C) in the composition is within the range from 1% by weight to less than 15% by weight.

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