B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 23/06 (2006.01) B31F 5/02 (2006.01) B32B 1/06 (2006.01) B32B 3/12 (2006.01) B32B 3/28 (2006.01) B32B 7/12 (2006.01) B32B 13/06 (2006.01) E04C 2/36 (2006.01) F16L 59/05 (2006.01)
Patent
CA 2094367
ABSTRACT A composite panel comprises first and second sheets 20, 22 of a natural fibre material such as corrugated cardboard,each sheet 20, 22 having been impregnated with a liquid composition comprising a thermosetting resin, an extending liquid for the thermosetting resin and a catalyst for the thermosetting resin, the thermosetting resin having been polymerized, a cellular core 10 of an natural fibre material such as kraft paper, the cellular core 10 having been impregnated with a liquid composition comprising a thermostting resin, an extending liquid for the thermosetting resin and a catalyst for the thermosetting resin, the thermosetting resin having been polymerized, the cellular core 10 being sandwiched between and adhered to the first and second sheets 20, 22, and a filler composition located in all of the cells of the core 10, the filler composition comprising a mixture of an inorganic insulating material and a material which releases water at elevated temperatures, in granular form. The composite panel is an acoustic absorber and thermal insulator and is fire resistant.
Smart & Biggar
Windsor Technologies Limited
LandOfFree
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