The present invention relates to a sound absorbing pad for laminating interior materials for an automobile and, more specifically, to a sound absorbing pad for laminating interior materials for an automobile, which is laminated on a rear surface of interior materials such as an isolation dash, engine cover, or floor carpet, to grant sound absorbing capabilities and cushion properties. To this end, the present invention relates to a sound absorbing pad for laminating interior materials for an automobile, wherein the sound absorbing pad is made of felt based on polyester fiber. The sound absorbing pad comprises 10-50 wt% of elastic fiber in the total weight. In addition, the felt of the sound absorbing pad includes: a low-denier felt layer of 0.7-3 D; a vertical wrap felt layer which is located on a lower side of the low-denier felt layer to be vertically aligned; and a ventilation control layer in a film shape which is made of one or more of olefins, amide, or polyester, and is located between the low-denier felt layer and the vertical wrap felt layer to be engaged with the low-denier felt layer and the vertical wrap felt layer by needle punching.

    본 발명은 자동차 내장재 합지용 흡음 패드에 관한 것으로서 더욱 상세하게는 아이솔레이션 대시, 엔진 커버 또는 바닥 카페트 등의 내장재 배면에 합지되어 흡음성과 쿠션성을 부여하도록 하는 자동차 내장재 합지용 흡음 패드에 관한 것이다. 이를 위해 본 발명은 자동차 내장소재 합지용 흡음 패드에 있어서, 상기 흡음 패드는 폴리에스테르 섬유를 기재로 한 부직포로 이루어지되, 상기 흡음 패드에는 전체 중량 대비 탄성섬유가 10-50중량% 포함된다. 또한 상기 흡음 패드의 부직포는 0.7D 내지 3D로 구성된 저 데니어 부직포층과; 상기 저 데니어 부직포층 하부측에 배치되며 수직 배향을 가지는 버티칼랩부직포층; 및 올레핀류, 아마이드 또는 폴리에스터 중 어느 하나 이상으로 이루어지는 필름 형태로 상기 저 데니어 부직포층과 상기 버티칼랩부직포층 사이에 배치되며 니들펀칭에 의해 상기 저 데니어 부직포층 및 상기 버티칼랩부직포층과 결합되는 통기콘트롤층을 포함한다.


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    Titel :

    Sound absorbing pad for automobile interior material


    Weitere Titelangaben:

    자동차 내장재 합지용 흡음 패드


    Beteiligte:
    JIN YONG WON (Autor:in) / KIM HYO JUN (Autor:in) / PARK MI RA (Autor:in) / KIM KYUNG DO (Autor:in)

    Erscheinungsdatum :

    2020-03-11


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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 / D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL




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