Embodiments of a laminate exhibiting enhanced acoustic performance are described. In one or more embodiments, the laminate includes a first substrate, an interlayer structure and a second substrate. One or both the first substrate and the second substrate have a thickness less than about 1.5 mm. In one or more embodiments, the interlayer structure includes a first interlayer and a second interlayer, wherein the first interlayer has a lower shear modulus than the second interlayer and is positioned near the center of the laminate (i.e., positioned at a thickness range from about 0.4t to about 0.6t, where t is the laminate thickness). The laminates exhibit a transmission loss of greater than about 38 dB over a frequency range from about 2500 Hz to about 6000 Hz. Vehicles and architectural panels including the laminates described herein are also provided.


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    Titel :

    THIN LAMINATE STRUCTURES WITH ENHANCED ACOUSTIC PERFORMANCE


    Beteiligte:

    Erscheinungsdatum :

    01.09.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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