Polypropylene blown film

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

18/528, 400/6585

C08L 23/10 (2006.01) B29C 55/28 (2006.01) C08J 5/18 (2006.01) C08L 23/12 (2006.01)

Patent

CA 2181877

Disclosed is a blown film or sheet material comprising a broad molecular weight distribution propylene polymer material having a molecular weight distribution Mw/Mn, of about 4 to about 60, a melt flow rate of about 0.5 to about 50 dg/min, and xylene insolubles at 25°C of greater than or equal to 94%. A mixture of the broad molecular weight distribution propylene polymer material and a heterophasic olefin polymercomposition can also be used.

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