Foam-barrier-foam-facing acoustical composite

Details Foam-barrier-foam-facing acoustical composite Foam-barrier-foam-facing acoustical composite

1984-04-11

1984-12-18

Van Balen, William J.

Acoustics

Sound-modifying means

Sound absorbing panels

181288, 181294, 181DIG1, 428198, 428215, 428286, 428287, 4283166, 4283171, 4283197, 428421, 4284735, 428921, E04B 182, C04B 4300, B32B 306, B32B 532

Patent

active

044886195

ABSTRACT:
A foam-barrier-foam-facing acoustical composite is disclosed having improved acoustical and flame retardant properties. The acoustical composite is a multilayered laminated fabric composed of: (a) a flame retardant polyvinyl fluoride facing layer; (b) a fire resistant acrylic adhesive layer bonded to the polyvinyl fluoride facing layer; (c) a first polyimide open cell foam layer bonded to the adhesive layer; (d) a noise barrier layer bonded to the first polyimide open cell foam layer, and (e) a second polyimide open cell foam layer bonded to the noise barrier layer.

REFERENCES:
patent: 4056161 (1977-11-01), Allen, Jr.
patent: 4110510 (1978-08-01), Oliveira
patent: 4340129 (1982-07-01), Salyers

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