본 발명은 열 융착 부직포; 상기 열 융착 부직포 위에 배치된 도트 패턴 접착층; 및 상기 도트 패턴 접착층 위에 배치된 멜트 블로운(melt blown) 부직포를 포함하는, 전기차량용 흡음재에 관한 것이다.
Disclosed is a sound-absorbing material for an electric vehicle including a heat-sealed non-woven fabric, a dot-pattern adhesive layer disposed on the heat-sealed non-woven fabric, and a melt blown non-woven fabric disposed on the dot-pattern adhesive layer.
Sound Absorbing Material for Electric Vehicle
전기차량용 흡음재
2025-03-28
Patent
Electronic Resource
Korean
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 |
European Patent Office | 2022
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