B32B2307/74

Food packaging film with antioxidant for freshness protection

A food packaging film comprising a polymer-based core layer having a food-facing side and an exterior-facing side, a food-facing skin layer on the food-facing side of the core layer, and an exterior skin layer on the exterior-facing side of the core layer, wherein the core layer and the food-facing skin layer each contains a natural or synthetic antioxidant, and the film is free of BHA and BHT.

Oxygen absorbing multilayer container and method for producing the same

An oxygen absorbing multilayer container having at least three layers of a first resin layer containing a thermoplastic resin, an oxygen absorbing layer containing an oxygen absorbing resin composition which contains a polyester compound (a) containing a constituent unit having a tetralin ring and a transition metal catalyst, and a second resin layer containing the same type of thermoplastic resin as the thermoplastic resin contained in the first resin layer, in this order, in which a cycloolefin polymer having a glass transition temperature of 50 to 110 C. is contained as the thermoplastic resin.

ANTIOXIDANT ACTIVE FOOD PACKAGING
20180290811 · 2018-10-11 ·

Food packaging material comprising a polymeric material and a natural antioxidant. The natural antioxidant may be extracted, isolated and/or derived from plant material. A method for forming a food packaging material is also provided, comprising forming a mixture comprising a natural antioxidant and a polymeric resin and processing the mixture to form a food packaging material.

Epoxy-terminated polybutadiene as oxygen scavenger

The present invention relates to the use of epoxy-terminated polydiene having terminal epoxy groups as oxygen scavenger, in particular as constituent in packaging.

Coated, Oriented, Linear, Low-Density, Polyethylene Films
20180272672 · 2018-09-27 · ·

Disclosed are biaxially oriented, multilayered films, wherein said films may include a core layer comprising linear, low-density polyethylene, and the core layer is optionally cavitated. Said films may further include a first skin layer on a first side of the core layer, and a second skin layer on a second side of the core layer, wherein the first skin layer and the second skin layer comprise thin layers of linear, low-density polyethylene of a same or different type. Further, said films may include an aqueous-based primer on an outer surface of the second skin layer, wherein the outer surface faces away from the core layer. Further still, said films may include a sealant coating layer on the first skin layer and a barrier coating layer on the second skin layer, wherein the sealant coating layer and the barrier coating layer are aqueous-based.

PACKAGING FILM HAVING OXYGEN BARRIER
20240308190 · 2024-09-19 ·

A non-shrink, irradiated packaging film includes first, second, third, and fourth layers of polyamide (PA); a first polyethylene vinyl alcohol (EVOH) layer between the first and second PA layers; a second EVOH layer between the third and fourth PA layers; a mid-layer between the second and third PA layers; and first and second polyethylene (PE) layers. The first, second, third, and fourth PA layers, the first and second EVOH layers, and the mid-layer are between the first and second PE layers. The mid-layer may be formed from a polymer.

Coated, oriented, linear, low-density, polyethylene films
12090732 · 2024-09-17 · ·

Disclosed are biaxially oriented, multilayered films, wherein said films may include a core layer comprising linear, low-density polyethylene, and the core layer is optionally cavitated. Said films may further include a first skin layer on a first side of the core layer, and a second skin layer on a second side of the core layer, wherein the first skin layer and the second skin layer comprise thin layers of linear, low-density polyethylene of a same or different type. Further, said films may include an aqueous-based primer on an outer surface of the second skin layer, wherein the outer surface faces away from the core layer. Further still, said films may include a sealant coating layer on the first skin layer and a barrier coating layer on the second skin layer, wherein the sealant coating layer and the barrier coating layer are aqueous-based.

Oxygen-absorbing resin composition and oxygen-absorbing multilayer injection-molded article and oxygen-absorbing multilayer container using same

An oxygen-absorbing resin composition containing a polyester compound, and a transition metal catalyst, and wherein the polyester compound is a polyester compound having a tetralin ring obtained by synthesis using a zinc compound contained in a catalyst; the zinc compound contained in a catalyst is present together with the obtained polyester compound in the oxygen-absorbing resin composition; the transition metal catalyst is different from the zinc compound contained in a catalyst; and the oxygen-absorbing resin composition is obtained by mixing the transition metal catalyst with the polyester compound present together with the zinc compound contained in a catalyst.

LAMINATE FOR USE IN BLISTER PACK AND, BLISTER PACK USING SAME

The present invention relates to a laminate for use in a blister pack, and to a blister pack using the same. The purpose of the present invention is to provide a blister pack laminate which fully imparts formability for the formation of dome-shape pockets in the blister pack laminate and which prevents moisture, organic gas and inorganic gas from entering the absorption layer from the end surface of the laminate through the reinforcement layer and deactivating the absorption layer. A further purpose of the present invention is to provide a blister pack that uses said blister pack laminate. The present invention relates to a blister pack laminate which comprises a substrate layer 1, an aluminum foil layer 2, a reinforcement layer 3, a barrier film layer 4, and an absorption layer 5, in that order.

LAMINATE FOR USE IN BLISTER PACK, AND BLISTER PACKING USING SAME

The purpose of the present invention is to provide a laminate for use in blister packs which fully imparts the forming property that forming defects do not occur, or are not prone to occur, even when forming the pockets in a blister pack to a relatively great depth, and to provide a blister pack using this laminate. The present invention relates to a laminate for use in a blister pack, which comprises a substrate layer 1, an aluminum foil layer 2, a first reinforcement layer 3a, a second reinforcement layer 3b, and an absorption layer 4, in that order.