B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 3/10 (2006.01) B32B 5/18 (2006.01) B32B 15/08 (2006.01) B32B 25/06 (2006.01) G10K 11/00 (2006.01) G10K 11/16 (2006.01) G10K 11/162 (2006.01) G10K 11/168 (2006.01) B60R 13/08 (2006.01)
Patent
CA 2512153
Pore plugging is reduced when laminating an airflow resistive membrane to a thermoplastic hot melt adhesive, by treating the membrane to reduce its surface energy. This enables fabrication of acoustical laminates incorporating substantial amounts of recycled fibrous insulating mat manufacturing waste, and permits design of the laminate based primarily on one-quarter wavelength sound absorption considerations and control of the porosity and interfacial adhesion of the airflow resistant membrane.
On réduit l'obturation de pores lors du contre-collage d'une membrane résistante à la circulation d'air à un adhésif thermofusible thermoplastique, par le traitement de la membrane pour réduire sa tension superficielle. Cela permet la fabrication de laminés acoustiques incorporant d'importantes quantités de déchets recyclés de fabrication de mats isolants de fibres, et permet la conception de laminé basée principalement sur des considérations d'absorption de bruit de quart d'onde et le contrôle de la porosité et de l'adhésion d'interface de la membrane résistance à la circulation d'air.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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