The invention relates to a sound insulation material and a manufacturing method of the sound insulation material. This sound insulation material (1) is provided with: a first layer (10) that is formed from a polyurethane foam; a second layer (20) which is laminated on the surface of the first side of the first layer and is composed of a sheet-like member made of a material other than polyurethane; and a third layer (30) that is laminated on the first-side surface of the second layer, is formed from a polyurethane foam, and has a higher density over the entire layer than the density of at least a portion of the first layer.

    本申请涉及隔音材料以及隔音材料的制造方法。隔音材料1,其具有:第1层(10),所述第1层(10)由聚氨酯泡沫形成;第2层(20),所述第2层(20)层叠在第1层的第1侧的表面上并且由除了聚氨酯以外的材料制成的片状构件构成;以及第3层(30),所述第3层(30)层叠在所述第2层的第1侧的表面上、由聚氨酯泡沫形成,并且在整个层上具有比所述第1层的至少一部分的密度高的密度。


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    Title :

    Sound insulation material and method for producing sound insulation material


    Additional title:

    隔音材料以及隔音材料的制造方法


    Contributors:

    Publication date :

    2025-01-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / 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 / E01B PERMANENT WAY , Gleisoberbau / E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE , Zusätzliche Baumaßnahmen, wie die Ausstattung von Straßen oder die bauliche Ausbildung von Bahnsteigen, Landeplätzen für Hubschrauber, Wegweisern, Schneezäunen oder dgl.



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