Polypropylene composition and laminated and oriented film...

Details Polypropylene composition and laminated and oriented film... Polypropylene composition and laminated and oriented film...

C - Chemistry, Metallurgy

08

L

C08L 23/10 (2006.01) B32B 27/32 (2006.01) C08J 5/18 (2006.01) C08L 23/14 (2006.01)

Patent

CA 2165889

A polypropylene composition for a laminated and oriented film comprising (A) 73 to 97 % by weight of a crystalline propylene random copolymer having a propylene content of 60 to 97 % by weight, an ethylene content of 0 to 6 % by weight and an .alpha.-olefin content of 3 to 40 % by weight, (B) 2.5 to 17 % by weight of a propylene-.alpha.-olefin random copolymer having a propylene content of 35 to 75 % by weight and an .alpha.-olefin content of 25 to 65 % by weight, and (C) 0.5 to 10 % by weight of a crystalline propylene polymer. A polypropylene composition for a laminated and oriented film being film-formed for a long time without hurting a transparency and a low temperature heat-sealing property and having an excellent solvent resistance and an excellent hot-tack property, and a laminated and oriented film having this composition on a surface layer are provided.

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