Polypropylene/polystyrene multilayer film structures

Details Polypropylene/polystyrene multilayer film structures Polypropylene/polystyrene multilayer film structures

B - Operations, Transporting

32

B

B32B 27/08 (2006.01) B32B 3/06 (2006.01) B32B 27/32 (2006.01)

Patent

CA 2290796

An oriented co-extruded film suitable for use as a window film for mailing envelopes, having a polyolefin layer and a non-glossy surface layer of polystyrene.

L'invention concerne un film co-extrudé orienté convenant pour servir de film pour fenêtre d'enveloppes de correspondance, qui comporte une couche en polyoléfine et une couche de surface non brillante en polystyrène.

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