ACOUSTICAL SOUND PROOFING MATERIAL WITH IMPROVED DAMPING AT SELECT FREQUENCIES AND METHODS FOR MANUFACTURING SAME
A laminated panel is provided including a first layer of material having external and internal surfaces; a second layer of material having external and internal surfaces; a layer of viscoelastic glue in contact with the internal surface of said first layer of material and with the internal surface o...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A laminated panel is provided including a first layer of material having external and internal surfaces; a second layer of material having external and internal surfaces; a layer of viscoelastic glue in contact with the internal surface of said first layer of material and with the internal surface of said second layer of material; said glue including an acrylic polymer in a concentration between 10% and 60% by weight, or a tackifier in a concentration between 1% and 70%; or a plasticizing compound in a concentration between 0% and 15%; or a material with Tg greater than 0° C. in a concentration between 0% and 30%. A soundproof assembly is also provided including a first and second panel; at least one spacer between the panels, and a gap between the panels, wherein at least one of the panels comprises a laminated panel as provided above. |
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