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    • 6. 发明申请
    • MULTILAYER COMPOSITE COMPRISING A BACKBONE FILM
    • US20230058308A1
    • 2023-02-23
    • US17785789
    • 2020-12-21
    • DSM IP ASSETS B.V.
    • Brian RULE
    • B32B5/12B32B5/02B32B7/03B32B27/08B32B27/40B32B37/20
    • 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.