Laminated film

Details Laminated film Laminated film

2002-09-25

2008-03-11

Nakarani, D. S (Department: 1773)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C156S244110, C428S515000

Reexamination Certificate

active

07341794

ABSTRACT:
A laminated film of a propylene resin layer and an ethylene resin layer is provided, which does not require solvent removal and recovery devices, etc., is low in influences against working environments and a danger of occurrence of fire, and has a high interlaminar adhesive force. That is, the invention relates to a laminated film prepared by melt extrusion laminating, without via an anchor coating agent, an ethylene based resin mainly comprising a linear ethylene/α-olefin copolymer having: a density of from 0.870 to 0.910 g/cm3; and an MFR of from 1 to 100 g/10 min., the copolymer being obtained by copolymerizing ethylene and an α-olefin having from 3 to 20 carbon atoms, on the surface of a propylene based resin film formed from a crystalline propylene based random copolymer resin having a melting peak temperature of not higher than 140° C., as prepared using a metallocene catalyst.

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