A transparent heat-insulating film is provided, wherein the transparent heat-insulating film includes a base layer including a first surface and a second surface, a hard-coat layer, a silver nanowire layer, and a protective layer including an inner surface and an outer surface. The hard-coat layer and the silver nanowire layer are disposed between the first surface of the base layer and the inner surface of the protective layer. A temperature of the second surface of the base layer is T1 (° C.), a temperature of the outer surface of the protective layer is T2 (° C.), and a temperature difference between T1 and T2 (T1−T2) is ΔT. When T1=50-100° C. and the base layer and the protective layer reach thermal equilibrium, ΔT=0.15T1−0.35T1.

Provided is a window including a base layer, a hard coating layer disposed above the base layer, and a bonding layer disposed between the base layer and the hard coating layer. The bonding layer includes polysiloxane.

A thermoplastic core-sheath fiber comprises: a polymer fiber core having a coextensive sheath layer disposed thereon, and an electrostatic charge enhancing additive. The sheath layer may comprise poly(4-methyl-1-pentene) and the fiber core and the sheath layer have different compositions. At least one of the fiber core or the sheath layer comprises an electret charge. A nonwoven fibrous web comprising the core-sheath fibers and a respirator including the nonwoven fibrous web are also disclosed.

Disclosed aspects relate to a structure which includes shape memory materials having transition triggers to transition the shape memory materials between initial states and transitioned states. A first physical shape of the structure exists when the first shape memory material has the first initial state and the second shape memory material has the second initial state. A second physical shape of the structure exists when the first shape memory material has the first transitioned state and the second shape memory material has the second initial state. A third physical shape of the structure exists when the first shape memory material has the first transitioned state and the second shape memory material has the second transitioned state. The physical shapes of the structure are reversible in nature. In embodiments, the shape memory materials are bonded to a flexible substrate or are clad together.

A multi-layer insulation includes a plurality of layers that are laminated on each other. A detection layer that is at least one of the plurality of layers has a piezoelectric film, and a pair of electrode parts installed on both surfaces of the piezoelectric film.

Provided are a foldable back plate film and a method of manufacturing the same.

A panel (1000) for a cabin of an aircraft, the panel (1000) including a laminate (150) with a first layer formed of lithiated carbon fibers (100), a second layer form of carbon fibers with a cathode lithium coating (200), and an electrolyte-containing separator (300) interposed between the first and the second layers and a pressure sensor (50a, 50b) on an outer surface of the laminate (150), and a switch (40) to regulate a voltage to the laminate (150) based on an output of the pressure sensor (50a, 50b) so that the panel (1000) expands.

Insulating articles, assemblies and methods are provided. The insulating articles include a core layer (101,201) containing a plurality of non-meltable fibers; and at least one reinforcement layer (102, 202) disposed on the core layer (101,201). The insulating article has tensile strength of at least 0.75 newtons/millimeter according to ASTM D822 and a tear strength of at least 2 newtons under ASTM D1938, wherein the insulating article has a surface electrical resistivity of at least 15 M-ohm at a relative humidity of 85% and temperature of 30° C., wherein the insulating article has an air flow resistance of up to 2000 MKS Rayls according to ASTM C522, and wherein the insulating article displays a UL94-V0 flammability rating.

A combination of nanoparticles applied onto a mask filtration system, exemplarily including 1%-10% graphene; 1%-10% titanium dioxide; 1%-10% zinc oxide; 1%-10% copper oxide; 1%-10% silicon dioxide; and balance solvent is provided.

Provided are a liquid crystal polymer (LCP) film and a laminate comprising the same. The LCP film has a first surface and a second surface opposite each other, and a Kurtosis (Rku) of the first surface ranges from 3.0 to 60.0. With the Rku, the LCP film is able to improve the peel strength with a metal foil and ensure that a laminate comprising the same maintains the merit of low insertion loss.