Heat-sealable polyolefin compositions

Details Heat-sealable polyolefin compositions Heat-sealable polyolefin compositions

C - Chemistry, Metallurgy

08

L

C08L 23/04 (2006.01) C08L 23/14 (2006.01) C08L 23/16 (2006.01)

Patent

CA 2085501

A polyolefin composition comprising, on a percent by weight basis: (A) 30% to 60% of LLDPE having MIE from 0.1 to 15; (B) 40% to 70% of a crystalline propylene polymers blend consisting of: (B1) 30% to 65% of a copolymer of propylene with one or more than one C9-C8 .alpha.-olefin, wherein the content of C4-C8 .alpha.-olefins in the copolymer is from 2% to 20%; and (B2) 35% to 70% of a copolymer of propylene with ethylene, wherein the ethylene content in the copolymer is from 5% to 10%; provided that the total content of comonomers in (B) is from 8% to 20%; the composition having a seal initiation temperature lower than 110°C.

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