To provide a sound-absorbing skin material which attains sound-absorbing performance with respect to sound of a wide frequency even when having a low thickness and a low weight while being imparted with pitching resistance and icing resistance.SOLUTION: A sound-absorbing skin material is provided in which a first nonwoven fabric layer containing fibers made of a thermoplastic resin and a second nonwoven fabric layer containing short fibers made of the thermoplastic resin are interlaced to be integrated, and the first nonwoven fabric layer has interlacing holes having a hole size of 0.19 mm2 or smaller.SELECTED DRAWING: None
【課題】耐ピッチング性や耐着氷性を付与しつつ、厚みを薄く、低目付とした場合であっても、広い周波数の音に対する吸音付与性能を実現する吸音表皮材の提供。【解決手段】熱可塑性樹脂からなる繊維を含む第一の不織布層と、熱可塑性樹脂からなる短繊維を含む第二の不織布層とが、交絡一体化されている吸音表皮材であって、該第一の不織布層が、孔サイズが0.19mm2以下の交絡孔を有することを特徴とする吸音表皮材。【選択図】なし
SOUND-ABSORBING SKIN MATERIAL
吸音表皮材
2022-08-12
Patent
Electronic Resource
Japanese
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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