High performance flame and smoke foam-barrier-foam-facing...

B - Operations – Transporting – 32 – B

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B32B 5/32 (2006.01) B32B 25/20 (2006.01) B32B 27/08 (2006.01) B32B 27/34 (2006.01) E04B 1/86 (2006.01) E04B 1/94 (2006.01) E04B 1/84 (2006.01)

Patent

CA 2018624

ABSTRACT OF THE INVENTION HIGH PERFORMANCE FLAME AND SMOKE FOAM-BARRIER-FOAM-FACING ACOUSTICAL COMPOSITE A multilayered composite having improved flammability and smoke resistance properties comprising: (a) a flame retardant flexible polyimide film facing layer, (b) a first high temperature resistant silicone adhesive layer bonded to the polyimide film facing layer, (c) a first open cell polyimide foam layer bonded to the first adhesive layer, (d) a second high temperature resistant silicone adhesive layer bonded to the first open cell polyimide flame layer, (e) a fire retardant flexible silicone sheet rubber layer bonded to the second adhesive layer, (f) a third high temperature resistant silicone adhesive layer bonded to the silicone sheet rubber layer, and (g) a second open cell polyimide foam layer bonded to the third adhesive layer.

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