B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/32 (2006.01) B32B 27/10 (2006.01) D21H 19/22 (2006.01) D21H 27/10 (2006.01)
Patent
CA 2506515
A heat sealable barrier layer for food and beverage cartons is provided, the barrier layer including an additive material which reduces the amount of essential oil scalping from citrus products. Additionally, a carton coating layer and process is provided for reducing a coefficient of friction of stacked carton blanks. An additional embodiment of the invention provides for a paperboard substrate having reduced water vapor transmission rates, the reduction in water vapor transmission rates being attributed to one or multiple extruded layers containing an effective amount of an inorganic additive.
L'invention concerne une couche barrière thermoscellable pour emballages en carton d'aliments et de boissons, qui comprend un matériau additif réduisant la quantité éliminée d'huiles essentielles pour les agrumes. En outre, on prévoit une couche de revêtement en carton et un procédé permettant de réduire un coefficient de frottement entre ébauches de carton empilées. Selon une autre variante, on décrit un substrat en carton qui présente des taux réduits de transmission de la vapeur d'eau, grâce à la présence d'une ou plusieurs couches extrudées renfermant une quantité efficace d'additif inorganique.
Blue Ridge Paper Products Inc.
Brpp Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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