Crystalline propylene copolymer compositions having a low...

C - Chemistry – Metallurgy – 08 – L

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C08L 23/14 (2006.01) B32B 27/32 (2006.01) C08F 10/00 (2006.01) C08F 297/08 (2006.01) C08J 5/18 (2006.01) C08L 23/16 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2145330

Disclosed are a crystalline propylene copolymer composition, film, sheet and plate made therefrom and laminates wherein at least one layer is made therefrom, having low seal initiation temperature and good ink adhesion properties. The composition comprises (percent by weight): A) ~20-60% of a crystalline copolymer of propylene with 1 to 5% ethylene; and B) ~40-80% of a crystalline copolymer of propylene with 1 to 5% ethylene and 6 to 15% C4-C8 .alpha.-olefin. In the composition the total content of ethylene being 1% to 5% and of C4-C8 .alpha.-olefin being 2.4% to 12%.

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