B32B2262/0261

Roofing membrane with integrated surface reinforcement

A surface-reinforced bitumen roofing membrane includes at least two layers, namely 1) a bitumen compound layer, and 2) a fiber mat, and can optionally include a) an optional bleed blocker layer that is located between the bitumen compound layer and the fiber mat, b) an optional liquid applied coating that partially or fully encapsulates the fiber mat, c) an optional release liner that is releasably positioned on the bottom surface of the bitumen roofing membrane, and/or d) an optional release film that is releasably positioned on the fiber mat surface.

Shock absorbing structure
11592076 · 2023-02-28 ·

An apparatus comprised of a first portion comprising a generally flexible fabric, and a second portion or layer comprising a gel material formed in a generally planar rectangular shape. Positioned below the second layer is a third portion or a damping layer having a series of dampers positioned thereon, where the dampers are elastomeric flexible and compressible. The three portions are laminated together.

Composite liners for turbofan engines

Composite liners (such as acoustic panels, fan track liners, and/or ice impact panels or boxes for turbofan engines) and techniques for forming composite liners. In some examples, the composite liner includes at least one region comprising a reinforcement architecture comprising a matrix material, a plurality of relatively tough polymer-based reinforcement elements, and a plurality of second reinforcement elements. The plurality of relatively tough polymer-based reinforcement elements and the plurality of second reinforcement elements are embedded in the matrix material.

MULTILAYER COMPOSITE COMPRISING A BACKBONE FILM
20230058308 · 2023-02-23 ·

The present invention relates to a multilayer composite comprising a first monolayer comprising high-performance fibers, aligned in a first direction and a first matrix material and a second monolayer comprising high-performance fibers, aligned in a second direction and a second matrix material and a third polymeric film located in between the first and the second monolayer, with the third polymeric film having a tensile modulus of at least 0.75 GPa measured by ASTM D882. Preferably the high-performance fibers comprise UHMWPE fibers. A thermoplastic polyurethane is in contact with the first monolayer to form a first outer layer of the composite and in contact with the second monolayer to form a second outer layer of the composite, opposite to the first outer layer. The present invention further relates to the use of the multilayer composite in backpacks, packs, bags, medical gear, outdoor products, sail cloths, tents, tarps, shelters, clothing, ponchos, foul weather gear, mats, outerwear, jackets, sleeping bags, lift bags, parachutes, large kites, inflatable structures, beams, balloons, backraft, inflatable gear, liferaft, inflatable sculptures, airship (HAA: High Altitude Airships), space applications, flexible circuits, footwear and umbrella's.

PROTECTIVE PAD OR GARMENT PORTION
20230059401 · 2023-02-23 ·

A protective pad or garment portion, garments, and individual layers, being a moisture wicking layer, a core moisture absorbing layer and a moisture impermeable layer, and combinations thereof are disclosed.

FLAME RETARDANT COMPOSITE ARTICLES AND METHODS FOR REDUCING EXPOSURE TO FLAMES
20220363042 · 2022-11-17 ·

Described are composite articles containing heat stable spun yarn containing textiles that exhibit low flammability and thermal shrinkage resistance. A composite article is described comprising (1) a textile layer comprising a heat stable spun yarn and (2) a heat reactive layer. The articles can be National Fire Protection Agency (“NFPA”) 2112 compliant.

Fabric-reinforced textile actuators

A soft robot hand includes a palm, a first fabric-reinforced textile actuator coupled to the palm, and a second fabric-reinforced textile actuator coupled to the palm. The first actuator is moveable relative to the palm between a collapsed position and an inflated position to approximate a joint in a first human finger. The second actuator is spaced apart from the first actuator. The second actuator is moveable relative to the palm between a collapsed position and an inflated position to approximate a joint in a second human finger.

Personal armor resistant to sharp or pointed weaponry

According to exemplary inventive practice, a personal armor system includes a textile-based layer not exceeding ½-half-inch thickness, and an elastomeric coating not exceeding ⅛-inch thickness. The textile-based layer includes a fiber reinforcement and a resin binder. The combined areal density of the textile-based layer and the elastomeric coating does not exceed 2.5 psf. According to a first mode of inventive practice, the elastomeric coating is essentially a strain-rate-sensitivity-hardening elastomer, and the areal density of the textile-based layer does not exceed 2.3 psf. According to a second mode of inventive practice, the elastomeric coating is essentially a microparticle-filled strain-rate-sensitivity-hardening elastomeric matrix material, and the areal density of the textile-based layer does not exceed 1.7 psf. The microparticles (e.g., spherical glass microparticles) do not exceed, by weight, 30 percent of the strain-rate-sensitivity-hardening elastomeric matrix material. The textile-based layer affords ballistic protection; the elastomeric coating affords protection against sharp/pointed objects.

Material, method for producing the material, partially welded material, composite material, and method of producing molded product

To provide a novel material that maintains suppleness which is the advantage of a material using fibers and has a low thermal shrinkage ratio, and a method for producing the material, a partially welded material using the material, a composite material, and a method for producing a molded product. A material including: a first region, a fiber region, and a second region continuously in a thickness direction; the first region and the second region being each independently a resin layer including from 20 to 100 mass % of a thermoplastic resin component and from 80 to 0 mass % of reinforcing fibers; the fiber region including from 20 to 100 mass % of thermoplastic resin fibers and from 80 to 0 mass % of reinforcing fibers; the thermoplastic resin component included in the first region and the thermoplastic resin component included in the second region each independently having a crystallization energy during temperature increase of 2 J/g or greater, measured by differential scanning calorimetry; and the thermoplastic resin fibers included in the fiber region having a crystallization energy during temperature increase of less than 1 J/g, measured by differential scanning calorimetry; wherein the crystallization energy during temperature increase is a value measured by using a differential scanning calorimeter (DSC) in a nitrogen stream while heating is performed from 25° C. to a temperature that is 20° C. higher than a melting point of the thermoplastic resin component or the thermoplastic resin fibers at a temperature increase rate of 10° C./min.

TEXTILE ARTICLE FOR RADIO FREQUENCY (RF) ABSORPTION AND ATTENUATION
20230046758 · 2023-02-16 ·

The present disclosure describes a textile article for radio frequency (RF) absorption and attenuation. The textile includes a laminate that is formed via curing a wet laminate at room temperature for a cure time, the wet laminate comprising a resin substrate and a reinforced fiber matrix. The reinforced fiber matrix may include one of a bamboo fiber matrix, a cotton fiber matrix, a polyester fiber matrix, a nylon fiber matrix, or a wool fiber matrix. The resin substrate may include a first portion of iron oxide particles and a second portion of the elastic polymer solution, the first portion of iron oxide particles being based at least in part on an RF signal range that the textile article is configured to absorb and attenuate. For example, the iron oxide particles may include Fe.sub.3O.sub.4Fe, Fe.sub.3O.sub.4Ni, or Fe.sub.3O.sub.4, and/or so forth.