The present invention relates to a lightweight sound absorbing material, and more particularly, to a lightweight sound absorbing material which is lightweight and provides excellent sound absorbing performance compared to a conventional sound absorbing material by laminating a thin film fiber layer composed of three layers and a low density fiber layer on the bottom thereof.

    본 발명은 경량 흡음재에 관한 것으로, 보다 상세하게는 3층으로 이루어진 박막 섬유층 및 그 하단에 저밀도 섬유층을 적층함으로써, 종래 흡음재에 비하여 가벼우면서도 우수한 흡음 성능을 제공하는 경량 흡음재에 관한 것이다.


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    Title :

    LIGHTWEIGHT NOISE ABSORBING MATERIAL


    Additional title:

    경량 흡음재


    Contributors:

    Publication date :

    2020-02-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    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



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