B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/08 (2006.01) B65B 51/04 (2006.01) B65D 65/40 (2006.01)
Patent
CA 2690747
Packaging materials comprising a sealant film having at least a skin layer comprising LDPE, a core layer comprising LDPE, MDPE, HDPE, or a blend of any two or all three of these, and a sealant layer comprising EVA copolymer are disclosed. At least one of the layers additionally comprises a stiffening agent such as calcium carbonate. The packaging material is especially useful in applications where good pouch formation and sealing characteristics are needed, such as in the packaging of process cheese products (e.g., loaf).
L'invention concerne des matériaux d'emballage comprenant un film d'étanchéité ayant au moins une couche d'enveloppe comprenant du LDPE, une couche de noyau comprenant du LDPE, MDPE, HDPE ou un mélange de deux quelconques ou de la totalité de ces trois, et une couche d'étanchéité comprenant un copolymère EVA. Au moins une des couches comprend de plus un agent de raidissement comme du carbonate de calcium. Le matériau d'emballage est particulièrement utile dans des applications dans lesquelles de bonnes caractéristiques de formation de poche et d'étanchéité sont nécessaires, comme dans l'emballage de produit de fromage fondu (par exemple meule).
Alcan Packaging Flexible France
Bemis Company Inc.
Deeth Williams Wall Llp
LandOfFree
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