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.

A composite laminate structure includes one or more layers of prepreg and a thermoplastic polyurethane film layer on the surface of the one or more prepregs. A method of making a composite laminate structure including a thermoplastic polyurethane film is also provided.

A floor panel (100) for transport means, in particular for trains, ships or boats, the floor panel (100) comprising a metal plate (1); at least one heating cable (2, 3) adapted to generate heat when it is crossed by electric current; a net (4) provided with a plurality of meshes (41); wherein said at least one heating cable (2, 3) is arranged between the net (4) and the metal plate (1). wherein said at least one heating cable (2, 3) is in contact with the metal plate (1).

A hybrid metal composite (HMC) structure comprises tiers comprising fiber composite material structures, and additional tiers longitudinally adjacent one or more of the tiers and comprising perforated metallic structures and additional fiber composite material structures laterally adjacent the perforated metallic structures. Methods of forming an HMC structure, and related rocket motors and multi-stage rocket motor assemblies are also disclosed.

Provided are a sub-micron fibrous membrane in which sub-micron fibers aligned along one axis and sub-micron fibers in a random pattern form a network, and a method for producing the sub-micron fibrous membrane.

A wettable barrier fabric is provided that exhibits barrier function to dry particles and splashed liquids while also exhibiting wettability and wicking properties. A garment formed from a wettable barrier fabric that has good absorption properties and that retains good barrier properties is also provided.

The present disclosure may be directed towards a substrate with an array disposed thereon. The substrate comprising a bonding array with a plurality of bonding locations. A low emissivity layer is deposited on at least one side of the substrate and covers at least some of the bonding locations. The low emissivity layer may be a metal layer which functions as a radiant barrier.

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.

Disclosed here is a composite filter media having at least one nanofiber layer bonded to a substrate layer, the at least one nanofiber layer optionally having a plurality of nanofibers having a geometric mean diameter of less than or equal to 0.5 μm, the at least one nanofiber layer having a thickness of about 1-100 μm.

A non-asphaltic breathable sheet is provided that includes at least one breathable polymer layer and at least one nonwoven layer. The breathable sheet may include an open-mesh reinforcing fabric embedded in a breathable polymer layer. The breathable sheet has an advantageous balance of strength, water resistance, and permeability to water vapor.