HIGH PERFORMANCE FLAME AND SMOKE FOAM-BARRIER-FOAM-FACING ACOUSTICAL COMPOSITE

摘要

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.