B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/28 (2006.01) B32B 7/02 (2006.01) B32B 7/12 (2006.01)
Patent
CA 2420669
Coextruted films having a heat a sensitive barrier layer (110) comprising materials such as EVOH, nylon etc, which has been encapsulated by a first adhesive material (112), and additional adhesive layers of a higher melting polymer (113) deposited on the first adhesive layer. The first adhesive layers help to protect the heat sensitive barrier material from the heat of extrusion/lamination.
L'invention concerne des films coextrudés présentant une couche barrière (110) thermosensible comprenant des matériaux tels que de l'EVOH, du nylon etc.., qui a été encapsulée par une première matière adhésive (112), et des couches adhésives additionnelles d'un polymère à point de fusion supérieur (113) déposées sur la première couche adhésive. Les premières couches adhésives aident à protéger le matériau barrière thermosensible de la chaleur provenant de l'extrusion/lamination.
Blemberg Robert J.
Buelow Duane H.
Hodson Jay D.
Perre Chad M.
Petkovsek Gregory L.
Exopack Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Pechiney Emballage Flexible Europe
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