A display apparatus includes a display panel including a central area and an outer area outside the central area and which is bent. A cover panel includes a cover central area overlapping the central area, a cover outer area overlapping the outer area, a light-blocking layer on the display panel and a groove layer disposed on a first surface of the light-blocking layer opposite to a second surface of the light-blocking layer facing the display panel. A plurality of grooves is defined in the groove layer in the cover central area.

An adhesive composition containing (A) a modified polyolefin resin and (B) an epoxy compound, wherein the modified polyolefin resin (A) is a polyolefin resin graft modified with a modifying agent that contains an α,β-unsaturated carboxylic acid or a derivative thereof. The content of the epoxy compound (B) is 1-20 parts by mass relative to 100 parts by mass of the modified polyolefin resin (A); and the epoxy compound is composed of two or more types of epoxy compounds.

A material for reducing exposure to ionizing radiation. One exemplary embodiment comprises a felt layer; a foil layer; a first adhesive film layer disposed between the outer felt layer and the foil layer; a radiation shield layer; a second adhesive film layer disposed between the foil layer and radiation shield layer; and a foam layer disposed on the surface of the radiation shield layer opposite the second adhesive film layer. The material may be installed in commercial aircraft, corporate aircraft, flight suits, helmets, military uniforms, rotary aircraft, spacecraft, and the like. For example, the material disclosed herein may be provided as a headliner in an aircraft, or alternatively may be used to line the entire interior of an aircraft. In one or more embodiments, the material may be secured to a surface using a hook and loop attachment mechanism.

This application provides a composite film for a cable wrapping layer and a preparation method for the same. The composite film for the cable wrapping layer includes a PE film layer, a PET film layer laminated at the PE film layer, an aluminum foil layer laminated at the PET film layer, and a bonding layer arranged between the PET film layer and the aluminum foil layer. The PE film layer is made of raw materials having the following parts by weight: 40-45 parts of LLDPE with a melt index of 0.9-1.1 g/10 min and a density of 0.920-0.922 g/cm.sup.3, 35-40 parts of m-LLDPE with a melt index of 1.9-2.1 g/10 min and a density of 0.917-0.920 g/cm.sup.3 and 15-25 parts of ethylene-vinyl acetate copolymer.

An electromagnetic wave absorber (1) includes a dielectric layer (10), a resistive layer (20), and an electrically conductive layer (30). The resistive layer (20) is disposed on one principal surface of the dielectric layer (10). The electrically conductive layer (30) is disposed on the other principal surface of the dielectric layer (10) and has a sheet resistance lower than a sheet resistance of the resistive layer (20). The resistive layer (20) is a layer that includes tin oxide or titanium oxide as a main component or a layer that is made of indium tin oxide including 40 weight % or more of tin oxide.

A structural part for lightning strike protection, preferably of an aircraft includes a first structure element, wherein the first structure element includes a conducting material and is adapted to conduct electric currents into a grounded conducting airframe structure, and a second structure element, wherein the second structure element includes an outer layer with a first surface, wherein the outer layer includes a composite, preferably carbon-fibre reinforced plastic, CFRP or glass-fibre reinforced plastic GFRP. The structural part further includes a first elongated, preferably wedge-shaped, electrical conductor, with a first end and a second end, wherein the first end of the first elongated electrical conductor is connected to the first structure element and extends through the second structure element to the first surface, so that the second end of the first elongated electrical conductor serves as a lightning receptor without impairing the radar cross section of the aircraft.

A macro-molecular leakage-free self-adhering aluminum foil has two layers of aluminum foil compounded using a PET film, and the other surfaces of each layer coated with a modified PE adhesive layer respectively; or air gaps in one surface or two surfaces are filled with nano-aluminum to form a permeable air gap-free surface. The foil has advantages: 1, high folding resistance, fatigue resistance and strength 2, wrapping self-adhering performance is good, and stripping strength formed after adhesion is several times as high as that of the prior art; 3, air gaps in the surface of the aluminum foil filled with nano-aluminum powder result in improved compactness; manufacture from low-grade aluminum foil, and so that rolling precision requirements are lowered, and manufacturing cost reduced; 4, insulating strength is high, shielding effect is good, the return loss phenomenon is avoided, and tensile strength is good.

A method for producing an organic conductive film includes a step of preparing a coating liquid containing an acid-based organic conductive polymer, an alkali neutralizing agent, and a liquid medium, and having a pH of 4.0 to 6.5 at 25° C., a step of applying the coating liquid to a base layer, and a step of removing the liquid medium from the applied coating liquid.

An example of a thermal composite includes a substrate, a primer layer, a first adhesive layer, a blanket layer, a second adhesive layer, and a metal layer. The blanket layer includes basalt fibers or glass fibers. The thermal composite may be incorporated into a battery pack as a battery enclosure.

An aircraft skin panel includes a laminated composite layer and a ground plane coupled to the composite layer, wherein the ground plane is an electrically conductive elastic thermoplastic.