B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/06 (2006.01) B32B 15/08 (2006.01) B32B 27/36 (2006.01) C08J 5/18 (2006.01)
Patent
CA 2298278
A composite plastic film (10) comprises a plastic film (12) which is coated, as desired at least on one side, with ceramic material (14) deposited using a vacuum thin layer deposition process and a plastic layer (18) deposited by extrusion coating on the plastic film or on the ceramic layer which may be present, such that the ceramic layer (14) is situated between the plastic film (12) and the plastic layer (18) deposited by extrusion coating. In order to improve the strength of bonding, a metal layer (16) of chromium, aluminium, nickel, titanium, iron, molybdenum or an alloy made up from at least two of these metals is provided, as an aid to bonding, between the plastic film (12) or on the ceramic layer (14) which may be present and the plastic layer (18) deposited by extrusion coating. A thin metal layer (16) deposited in such an amount that it has a thickness of approximately 0.1 to 0.5nm corresponding to a monatomic coverage is sufficient for this purpose.
Gerber Manfred
Hummel Otto
Lohwasser Wolfgang
Nageli Hans-Rudolf
Alcan Technology & Management Ag
Alusuisse Technology & Management Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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