Embodiments provide a method for producing a multilayer film, the method including: (A) a step for continuously coextruding from a T die (3) a molten film (4) of a multilayer film in which a first acrylic resin layer (α1), an aromatic polycarbonate resin layer (β), and a second acrylic resin layer (α2) are directly laminated in the stated order using a coextrusion apparatus; (B) a step for feeding and pressing the molten film of the multilayer film between a first mirror surface body (5) that rotates or revolves and a second mirror surface body (6) that rotates or revolves so that the first acrylic resin layer (α1) is disposed on the first-mirror-surface-body side; and (C) a step for holding the pressed multilayer film against the first mirror surface body and sends the pressed multilayer film to the subsequent third mirror surface body (8) that rotates or revolves, where TR1 (surface temperature of first mirror surface body), TR2 (surface temperature of second mirror surface body), Tα1 (glass transition temperature of first acrylic resin), Tα2 (glass transition temperature of second acrylic resin), and Tβ (glass transition temperature of aromatic polycarbonate resin) satisfy a prescribed relationship.

Disclosed herein is a multilayered tape comprising a first layer; where the first layer comprises a first surface and second surface; the first surface of the first layer having a surface texture; a second layer; the second layer having a first surface and a second surface; where the first surface of the second layer is closer to the second surface of the first layer than the second surface of the second layer; where the second surface of the second layer contains at least one partition that is parallel to a longitudinal direction of the multilayered tape.

The present disclosure provides a speaker, comprising a vibration system including a speaker diaphragm and a magnetic circuit system cooperating with the vibration system. The speaker diaphragm comprises a thermoplastic polyester elastomer membrane and has a vibration amplitude of 0.25-1 mm, and the speaker has F.sub.0 of 150-1500 Hz. The speaker has the characteristic of good listening effect.

[Problem] A metal-fiber reinforced resin material composite is provided which improves the shear strength between a metallic member and a fiber reinforced material by more strongly bonding the metallic member and the fiber reinforced resin member, and which is very light and has excellent workability while increasing strength. [Solution] This metal-fiber reinforced resin material composite is provided with a metallic member and with a fiber reinforced resin material that is stacked on at least one surface of the metallic member and combined with the metallic member, wherein the fiber reinforced resin material comprises a matrix resin containing a thermoplastic resin, a reinforcing fiber material included in the matrix resin, and a resin layer interposed between the reinforcing fiber material and the metallic member and comprising a resin of the same type as the matrix resin. The shear strength of the metallic member and the fiber reinforced resin material is greater than or equal to 0.8 MPa.

A multilayer flexible tube includes an inner layer including a melt processable fluoropolymer, wherein the melt processable fluoropolymer includes a terpolymer including a tetrafluoroethylene, a hexafluoropropylene, and a vinylidene fluoride (THV); a tie layer including a polymeric blend of a terpolymer including a tetrafluoroethylene, a hexafluoropropylene, and a vinylidene fluoride (THV) with a poly vinylidene fluoride (PVDF), a polyamide, a polyetheramide block copolymer, or combination thereof; and an outer layer including a melt processable polymer having a shore hardness less than a shore hardness of the inner layer.

A breathable barrier fabric that is heat sealable and minimizes lint generation without impacting the fabric's overall breathability, comfort and barrier protection, and that can be used to manufacture Helmke Category II or better cleanroom garments suitable for use in ISO Class 3 cleanroom environments and other hygienic applications. The breathable barrier fabric has a composite laminate structure including an inner monolithic film layer made from a breathable polymer bonded to first and second outer spunbond layers comprising thermoplastic bicomponent fibers each having an outer glazed surface where the thermoplastic bicomponent fibers are at least partially flattened.

A polymerizable composition containing: (A) a compound having an alkylene oxide group and a (meth)acrylic group, with an alkylene oxide equivalent of less than 100 and a (meth)acrylic equivalent of less than 200, and having 2 or more identical polymerizable groups; (B) a compound having a molecular weight of 140 to 350, having no alkylene oxide group but having a (meth)acrylic group, with a (meth)acrylic equivalent of 137 or less, and having 2 or more carbon-carbon double bonds; (C) a compound having a fluoro(poly)ether group and having 1 or more carbon-carbon double bonds; and (D) a polymerization initiator, wherein a content of (A) is 1.8% to 98% by mass, a content of (B) is 1.8% to 98% by mass, a content of (C) is 0.1% to 10% by mass, and a content of (D) is 0.1% to 10% by mass, based on a total mass of the polymerizable composition.

The methods herein relate to assembling an elastic laminate with a first elastic material and a second elastic material bonded between first and second substrates. During assembly, an elastic laminate may be formed by positioning the first and second substrates in contact with stretched central regions of the first and second elastic materials. The elastic laminates may include two or more bonding regions that may be defined by the various layers or components of the elastic laminate that are laminated or stacked relative to each other. In some configurations, a first plurality of ultrasonic bonds are applied to the elastic laminate to define a first bond density in the first bonding region, and a second plurality of ultrasonic bonds are applied to the elastic laminate to define a second bond density in the second bonding region, wherein the second bond density is not equal to the first bond density.

A security device includes an array of lenses and a plurality of first and second segments disposed under the array of lenses. At a first viewing angle, the array of lenses presents a first image for viewing without presenting the second image for viewing, and at a second viewing angle different from the first viewing angle, the array of lenses presents for viewing the second image without presenting the first image for viewing. At least one first or second segment can include one or more microstructures or one or more nanostructures configured to produce one or more colors for the first or second image.

A method for manufacturing a laminated glass whereby, in a laminated glass comprising a liquid crystal film sandwiched therein and having a three-dimensionally curved surface shape, the formation of wrinkles in the liquid crystal film can be suppressed; and a laminated glass which has a three-dimensionally curved surface shape and in which wrinkles in a liquid crystal film sandwiched therein are suppressed. The method for manufacturing the laminated glass comprises: a heat molding step for heating the liquid crystal film to a temperature higher than the glass transition point of the first base material layer and the second base material layer; and a bonding step for, after completing the heat molding step, heating the laminate, wherein the liquid crystal film is sandwiched between the first glass sheet and the second glass sheet, at a temperature lower than the glass transition point and bonding the same by applying a preset pressure.