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.
LIGHTWEIGHT NOISE ABSORBING MATERIAL
경량 흡음재
2020-02-04
Patent
Elektronische Ressource
Koreanisch
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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