An adhesive film for a display includes a first adhesive layer including an adhesive resin; a water-vapor barrier layer disposed on the first adhesive layer; a second adhesive layer disposed on the water-vapor barrier layer and including an adhesive resin; and an optical film disposed on the second adhesive layer, wherein at least one layer of the first adhesive layer or the water-vapor barrier layer contains at least one tungsten oxide selected from a group consisting of cesium-doped tungsten oxide (CWO; cesium-doped WO.sub.3) and tungsten oxide (WO.sub.3).

A waterproof sound-transmitting sheet, which interposes an adhesive layer composed of a material having micropores formed therein, thus smoothing the flow of the air between a waterproof sound-transmitting layer and a support layer. The waterproof sound-transmitting sheet includes a waterproof sound-transmitting layer formed of a film having elasticity, an adhesive layer having one surface adhered to one surface of the waterproof sound-transmitting layer, and a support layer having one surface adhered to the other surface of the adhesive layer; and the adhesive layer includes a substrate having a pore formed therein and an adhesive agent formed on both surfaces of the substrate.

A laser-welded body includes at least three of resin members, which contain a thermoplastic resin including: a first resin member which is a laser-irradiated subject, has an absorbance a.sub.1 of 0.01 to 0.12; a second resin member which has an absorbance a.sub.2 of 0.1 to 0.9 and includes a butted part where ends of one or more resin members are brought into contact with each other; and a third resin member which has an absorbance a.sub.3 of 0.2 to 3.8, and the absorbances a.sub.2, a.sub.3 exhibited by the second resin member and the third resin member are attributed to the inclusion of nigrosine as a laser beam absorbent therein, and the resin members are overlapped in the above mentioned to form contacted parts at these interfaces, at least a part of the butted part and/or the contacted parts are laser-welded.

An electromagnetic wave shielding sheet according to the disclosure is configured by a protection layer, a metal layer, and a conductive adhesive layer. The metal layer has a plurality of openings, and an aperture ratio of the opening is 0.1%-20%. In addition, a tensile breaking strength of the electromagnetic wave shielding sheet is 10 N/20 mm-80 N/20 mm.

A method for producing a water-tight, water-vapour-permeable segment, having a three-dimensional contour, for a shoe shaft, an item of clothing or a rucksack or for producing a shoe shaft, an item of clothing or a rucksack, the segment being free of connection points in its surface, and the method for producing the segment being a thermoforming process in which the two-dimensional flat structure obtained is completely laminated in its entirety, the segment being free of connection points in its surface. Also, a water-tight, water-vapour-permeable segment of a three-dimensional functional laminate for introduction into a shoe or shoe shaft, an item of clothing or a rucksack, the segment being dimensionally stable under its own weight, of a single piece and free of connection points in its surface.

The invention relates to a method of manufacturing a sandwich panel comprises the steps of: a) providing a plate-shaped assembly of a first cover part and a second cover part and between these cover parts a core part of a thermoplastic material containing a physical blowing agent, b) heating the assembly resulting from step a) under pressure between press tools in a press to a foaming temperature below the glass transition temperature of the thermoplastic material in the core part, thereby effecting adhesion of the foamed core part to the first and second cover parts c) foaming the thermoplastic material in the core part under pressure and at the foaming temperature wherein the spacing between the press tools is increased; d) a cooling step of cooling the foamed sandwich panel resulting from step c), while the sandwich panel is maintained under pressure between the press tools; e) removing the thus cooled sandwich panel from the press; and f) drying the sandwich panel thus obtained; wherein the cooling step d) comprises.a first substep d1) of cooling the foamed assembly from the foaming temperature to an intermediate temperature in the range of 70-100° C. at a first cooling rate and a second substep d2) of cooling the foamed assembly from the intermediate temperature to ambient temperature at a second cooling rate, the second cooling rate is less than the first cooling rate.

A film that is excellent in easy cuttability and linear cuttability and suppressed in breakability in processing, and a roll and a pressure-sensitive adhesive tape that includes the film. The film has the tensile strength in one direction is 1.1 to 2.5 kN/m and the tensile strength in a direction orthogonal to the one direction is 3.0 to 10 kN/m, or the tensile strain at tensile strength in one direction is 50 to 150% and the tensile strain at tensile strength in a direction orthogonal to the one direction is 8 to 20%.

The present invention is directed to a cover window assembly comprising a multi-layer films of polymeric and inorganic materials for a variety of articles, and the related articles and methods. The cover window assembly exhibits high resistance to strain and impact damage for the articles including display devices, particularly flexible display devices.

A prepreg includes [A], [B], and [C] described below. The [B] further comprises [B′]; a ratio of a mole number of an active hydrogen contained in [B′] to a mole number of an epoxy group in an epoxy resin contained in [B] is in a range of 0.6 to 1.1 both inclusive; [C] is present on a surface of the prepreg; and [A] that crosses over a boundary surface between a resin region containing [B] and a resin region containing [C] and that is in contact with both resin regions is present: [A] a reinforcing fiber; [B] an epoxy resin composition; an amine compound; and [C] a thermoplastic resin composition.

Embodiments herein relate to multilayer films for food packaging including migratory active substances. In an embodiment, a multilayer packaging film is included with a first polymeric layer and a second polymeric layer, wherein the first polymeric layer directly contacts a first side of the second polymeric layer. The first polymeric layer can be directly bonded to the second polymeric layer via a welding process. The first polymeric layer and the second polymeric layer can each comprise the same thermoplastic polymer. Contact between the first polymeric layer and the second polymeric layer can be discontinuous defining a plurality of cavities between the first polymeric layer and the second polymeric layer. Other embodiments are also included herein.