Thermoformable acoustic sheet material

Details Thermoformable acoustic sheet material Thermoformable acoustic sheet material

G - Physics

10

K

G10K 11/162 (2006.01) B32B 5/02 (2006.01) B32B 5/26 (2006.01) B32B 27/12 (2006.01) B32B 33/00 (2006.01) B60R 13/08 (2006.01) D04H 13/00 (2006.01) E04B 1/74 (2006.01)

Patent

CA 2436696

A multiple layer, thermoformable acoustic sheet material useful for manufacturing acoustic absorption, acoustic barrier and/or vibration damping components includes a barrier layer of synthetic fibers having an area weight of from about 40 grams per square foot to about 100 grams per square foot, and an absorber layer of vertically-lapped synthetic fibers, natural fibers or a combination of synthetic and natural fibers. The thermoformable acoustic sheet materials may include additional layers, with certain embodiments including an impermeable polymer film layer disposed between the barrier layer and the absorber layer.

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