A packaging material comprising a core layer, an outermost layer arranged to face the exterior of a packaging container made of the packaging material, and an innermost layer arranged to face the interior of the packaging container is provided. The outermost layer and the innermost layer are laminated to the core layer. The laminated packaging material further comprises a locally distributed heat sealable material portion arranged on the innermost layer.

A solvent-based polyurethane retort adhesive system for producing laminates including: (A) at least one isocyanate compound, Component A, comprising: a blend of: (i) at least one aliphatic-based isocyanate and (ii) at least one aromatic-based isocyanate; and (B) at least one isocyanate-reactive component, Component B, comprising: (i) at least one phosphate ester compound and (ii) at least one polyether polyol having an average molecular weight of less than 1,500 g/mol; a process for producing the above adhesive; a multi-layer laminate product including the above adhesive; and a process for producing a laminate product using the above adhesive.

A multilayer film containing up to 15 wt % of a blend of cis-13-docosenamide and at least one primary antimicrobial material on or in an exterior layer of the film. The blend of cis-13-docosenamide and at least one primary antimicrobial material is either extruded as part of the surface layer of the film or coated onto the surface of the film.

A thermoset sealant film includes an epoxy and a hardener. The hardener is integrated with the epoxy and remains physically distinct from the epoxy in a formed state of the thermoset sealant film.

A multi-layered packaging film includes (a) an outer print layer, (b) an inner product-side layer, and (c) a lamination layer interposed between the outer print layer and the inner product-side layer.

Composite film (1) for closing a container (10) by sealing the composite film (1) against a circumferential sealing surface (11) of the container (10) or of a cap ring (12) to be connected to the container (10). The composite film (1) comprises an outer support layer (30) made of a metal film and an inner multilayer membrane (20) laminated to the outer support layer (30) using a bonding layer (28). The membrane (20) has a consecutive layer structure from the outside to the inside consisting of a backbone layer (21) made of polypropylene, an intermediate layer (23) made of a partially crystalline polyamide and a cohesively breakable peeling layer (25) made of polypropylene, polyethylene and talc, wherein between the intermediate layer (23) and the backbone layer (21) as well as between the intermediate layer (23) and the peeling layer (25) there is arranged a tie layer (22, 24) made of a maleic acid anhydride grafted polypropylene. The membrane has further an innermost sealing layer (26) made of a random copolymer comprising monomers of propylene, ethylene and butylene, wherein the random copolymer is grafted with maleic acid anhydride. The softening point of the sealing layer (26) lies at least between 15 and 25° C. lower than that of the tie layers (22, 24). A use and a method of producing said composite film (1) are also disclosed.

Multilayer film embodiments are directed to films produced via thermal lamination without adhesive due to the use of tie layers comprising a blend of ethylene acrylate copolymer and an anhydride grafted ethylene α-olefin copolymer

The invention provides a polyolefin-based resin film including a polyolefin-based resin composition that includes at least a propylene-α olefin random copolymer, wherein (1) an olefin-based block copolymer is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (2) an olefin-based copolymeric elastomer resin is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (3) a propylene homopolymer is 0 to 40 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (4) the polyolefin-based resin film exhibits a thermal shrinkage rate of 25% or less in a direction in which the thermal shrinkage rate is larger between a longitudinal direction and a lateral direction; and (5) a planar orientation coefficient ΔP calculated from a refractive index of the polyolefin-based resin film is 0.0100-0.0145.

To reduce the amount of staining that occurs during the in-package retort processing of food products, a packaging film is used including a white multilayer film, the white multilayer film having a sealing region on the exposed surface of the packaging film, a white region containing white pigment and a blocking region located between the white region and the sealing region, where the combined thickness of the sealing region and the blocking region is at least 70% of the thickness of the white multilayer film.

A laminate tube container is made of laminate film or sheet comprising of a vapor metalizing polyethylene film with a vapor evaporated side made of a metal, metal-oxide or inorganic substance, which is adhesive-laminated on the evaporate side with polyethylene film and an adhesive agent then laminated with other extrusion layers of polyethylene, tie and copolymer of ethylene and vinyl alcohol. The laminated tube giving both oxygen and water vapor barrier characteristics making them suitable for packaging tube particularly filled with contents, such as liquid or creamy cosmetic products and toothpastes.