The present invention relates to a high sound-absorbing nonwoven fabric using double hole fibers, which is composed of two hollow fibers and a side-by-side double hole fiber and a sheath-core type heat-bonded composite fiber having two hollows composed of a connecting part connecting the hollow fibers. The present invention aims to provide the high sound-absorbing nonwoven fabric using double hole side-by-side short fibers and low melting point binder fibers for the nonwoven fabric to retain an air layer, i.e., a dead air layer, to the maximum extent possible so as to have sound-absorbing properties.

    본 발명은 두 개의 중공섬유 및 상기 중공섬유를 연결하는 연결부로 구성된 2개의 중공을 갖는 사이드 바이 사이드 이중공섬유 및 시스-코어형 열접착 복합섬유로 구성된 이중공 섬유를 이용한 고흡음 부직포에 관한 것이다.


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    Title :

    High Sound-Absorbing Nonwoven Fabric Using Double Hole Fibers


    Additional title:

    이중공 섬유를 이용한 고흡음 부직포


    Contributors:

    Publication date :

    2024-01-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / D01D MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS , Mechanische Verfahren oder Vorrichtungen für die Herstellung von produzierten Filamenten, Zwirnen, Fasern, Borsten oder Bändern



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