Provided are: a superfine fiber which produces little formaldehyde or acetaldehyde and has good splitting properties; a fiber molded body which uses the superfine fiber; and a method for producing the fiber molded body. This method for manufacturing a fiber molded body is a method for manufacturing a molded fiber molded body that includes molding a fiber mixture that includes ultrafine fibers, the content of the ultrafine fibers in the fiber mixture being 5 mass% or more, the oil adhesion amount of the ultrafine fibers being 0.1-1 mass%, and the oil adhesion amount of the ultrafine fibers being 0.1-1 mass%. The total amount of ethylene oxide units and propylene oxide units generated is 0.01-0.5 mass%, and the single fiber fineness is 0.01-0.5 dtex.

    提供一种甲醛、乙醛的产生少且开纤性良好的超细纤维、以及使用所述超细纤维的纤维成型体及其制造方法。本发明的纤维成型体的制造方法是包含纤维混合物的成型的纤维成型体的制造方法,所述纤维混合物包含超细纤维,所述纤维混合物中的所述超细纤维的含量为5质量%以上,所述超细纤维的油剂附着量为0.1~1质量%,环氧乙烷单元和环氧丙烷单元的合计产生量为0.01~0.5质量%,单纤维纤度为0.01~0.5dtex。


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    Title :

    Method for producing fiber molded body, fiber molded body, sound absorbing material, automotive interior material, and ultrafine fiber


    Additional title:

    纤维成型体的制造方法、纤维成型体、吸音材料、汽车内饰材料和超细纤维


    Contributors:

    Publication date :

    2022-10-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    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 / D01F Chemische Gesichtspunkte bei der Herstellung von produzierten Filamenten, Zwirnen, Fasern, Borsten oder Bändern , CHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS





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