To provide a novel sound insulation material capable of improving sound insulation performance and realizing weight reduction.SOLUTION: A sound insulating material includes a first layer formed of a first porous body, and a second layer disposed to face the first layer via an air layer and formed of a second porous body.SELECTED DRAWING: Figure 2

    【課題】遮音性能を向上可能であるとともに軽量化を実現する新規の遮音材を提供する。【解決手段】遮音材は、第1多孔質体で形成される第1層と、空気層を介して前記第1層と対向して配置され、第2多孔質体で形成される第2層と、を備える。【選択図】 図2


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    Title :

    SOUND INSULATION MATERIAL


    Additional title:

    遮音材


    Contributors:

    Publication date :

    2025-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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