[Object] To provide a barrier laminate that includes a multilayer substrate with high interlayer adhesiveness to an evaporated film and that has high gas barrier properties.

[Solution] A barrier laminate according to the present invention includes a multilayer substrate and an evaporated film, wherein the multilayer substrate includes at least a polypropylene resin layer and a surface coating layer, the polypropylene resin layer is subjected to a stretching process, the surface coating layer contains a resin material with a polar group, and the evaporated film is composed of an inorganic oxide.

A cover tape for packing an electronic component includes: a substrate layer; a heat sealing layer placed on one surface side of the substrate layer; and an intermediate layer placed between the substrate layer and the heat sealing layer, and a transmitted image definition based on JIS K 7374, with an optical comb width set to 0.5 mm, is 30% or more.

A resin film for a terminal according to one aspect of the present disclosure is for covering the outer peripheral surface of part of a metal terminal that constitutes a power storage device, and includes a resin layer containing: a polyethylene; and a compatibilizer having a region which is compatible with the polyethylene and a region which is compatible with polypropylene.

The present invention relates to thermoforming food packaging methods and to dual ovenable thermoformed food packages suitable for cooking food products directly in the package in microwave, conventional and convection ovens. These packages are characterized by good hermeticity, clean peelability, self-venting, very good optics and, if shrunk, a very appealing appearance.

The invention comprises a fracture film for sealing a peelable membrane to a container comprising a first layer of high density polyethelene, a second layer of polybutene-1/ethylene-vinyl acetate, wherein the second layer is bonded to the first layer, and a third layer of ethylene-acrylic acid, wherein the third layer is bonded to the second layer.

A packaging container (1, 201) comprising a container body (2, 202) having a bottom end (4, 204) and a top end (5, 205) and a tubular container wall (3, 203) extending between the bottom end and the top end. The packaging container(1, 201) is closed at the bottom end (4, 204) by a base disc (9, 209) which is attached by welding to the inner surface (7, 207) of the container body (2, 202) at the bottom end (4, 204) of the container body. The container body comprises a laminate body sheet material (12) comprising a carton layer (12a), a metallic foil layer (12b) and an inner thermoplastic polymeric layer (12c). A top end closure comprising an openable and reclosable lid (16, 216) is arranged at the top end of the packaging container (1). The top end closure comprises an openable inner sealing member (33, 233) which is attached by welding to the inner surface (7, 207) of the container body (2, 202) at a distance from the top end (5, 205) of the container body (2, 202), the inner sealing member (33, 233) comprising a first laminate sealing member sheet material (244′) comprising a structural layer (244a) and a thermoplastic welding layer (244b) and a second laminate sealing member sheet material (244″) comprising a metallic foil layer (244a″) and a thermoplastic welding layer (244″b), the second laminate sealing member sheet material (244″) being joined to the first laminate sealing member sheet material (244′) by welding. The structural layer (244a) of the first laminate sealing member sheet material (244) is a metallic foil layer having a thickness of from 5 micrometer to 10 micrometer, such as from 5.5 micrometer to 9 micrometer.

Disclosed is a packaging container comprising a container body having a bottom end and a top end. The container body comprises a tubular container wall. The packaging container is closed at the bottom end by a base disc which is attached to the inner surface of the container body at the bottom end of the container body. The packaging container comprises a top end closure including a lid. The container body comprises a laminate body sheet material comprising a carton layer and a thermoplastic welding layer being arranged on an inner surface of the container body. The base disc comprises a laminate base sheet material comprising a carton layer and an inner thermoplastic welding layer being arranged on a surface of the base disc which is facing towards the interior of the container body.

A freezing packaging film having transparency that produces a color difference (ΔE) of 30 or less on a surface of contents when subjected to frozen storage at −20° C. for 2 weeks, the contents being a reagent containing 0.14 mass % of methylene blue and having L* of 55 to 65, a* of 3 to 9 and b* of 45 to 55 in a L*a*b* color system.

In various aspects, the present disclosure pertains to thermoformable, multi-layer polymer films comprising a core layer that is comprised of a blend of high density polyethylene and low density polyethylene and, at least one outermost layer that is comprised of a blend of a cyclic olefin copolymer, polyethylene, a functionalized polymer, a dispersing agent and a mineral filler. The present disclosure includes thermoformed webs made from such films, the webs having one or more thermoformed cavities contained therein. Other aspects of the disclosure pertain to methods of forming such thermoformed webs, packaged products comprising such thermoformed webs, and methods of recycling such thermoformed webs.

A laminated body having at least two or more different layers, wherein the laminate body is characterized by satisfying the following requirements (1) to (5): (1) the laminate body has a heat-sealing layer as at least one of the outermost layers, wherein the heat-sealing layer includes a polyester based component containing ethylene terephthalate as a main constituent component, and a sealing strength of 8 N/15 mm to 30 N/15 mm; (2) at least one layer other than the heat-sealing layer is an inorganic thin film layer; (3) a water vapor permeation rate of 0.1 g/m.sup.2.Math.d to 6 g/m.sup.2.Math.d; (4) an oxygen permeation rate of 5 ml/m.sup.2.Math.d.Math.MPa to 30 ml/m.sup.2.Math.d.Math.MPa; and (5) a heat shrinkage rate of −5% to 5%.