A soundproof material 1 is provided with a first layer 10 formed of a polyurethane foam; a second layer 20 which is laminated on a first-side surface of the first layer and formed of a sheet-shaped member made of a material other than polyurethane; and a third layer 30 which is laminated on a first-side surface of the second layer, is formed of a polyurethane foam, and has a higher density over the entire layer than the density of at least a part of the first layer.

    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 :

    SOUNDPROOF MATERIAL AND SOUNDPROOF MATERIAL PRODUCTION METHOD


    Additional title:

    隔音材料以及隔音材料的制造方法


    Contributors:

    Publication date :

    2021-08-06


    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 / B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / 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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