Polyolefin compositions having good transparency and impact...

Details Polyolefin compositions having good transparency and impact... Polyolefin compositions having good transparency and impact...

C - Chemistry, Metallurgy

08

L

C08L 23/16 (2006.01) C08L 23/06 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2090250

Polyolefin compositions having good transparency and impact resistance even at low temperatures comprising (by weight): A) from 25 to 95 parts of a crystalline random copolymer of propylene with ethylene and/or another .alpha.-olefin, containing more than 85% by weight of propylene, and having Haze values lower than 25%; and B) from 5 to 75 parts of a component comprising (a) an elastomeric copolymer of ethylene with propylene and/or another .alpha.-olefin, and optionally with minor proportions of a diene, containing 20-80 parts of ethylene, and (b) one or more of the polymers selected from LLDPE, LDPE, HDPE, having a Melt Index higher than 0.5 g/10 min., said (a) and (b) being present in such proportions that the ratio between the density of (A) and calculated average density of (B) is from 0.980 to 1.015.

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