The present invention relates to a high-strength polyester fiber for seat belts, and more particularly, to a polyester fiber for seat belts and to a method for manufacturing same, wherein the inherent viscosity of the polyester fiber is 0.8 to 1.5 dl/g, the tensile strength thereof is 8.8 g/d or higher, and the fineness thereof is 400 to 1,800 deniers. The polyester fiber of the present invention comprises a filament having high strength, low elastic modulus, and high elongation at break to significantly reduce contraction and ensure excellent mechanical properties. Thus, the polyester fiber of the present invention may be used in the production of a seat belt having excellent shock-absorbing properties and significantly improved wear resistance, heat resistance, and tension retention even at a density of 260 fibers/inch.


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    Title :

    Polyester fiber for seat belts, and method for manufacturing same


    Contributors:

    Publication date :

    2015-05-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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 / 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 / D02J Veredeln oder Ausrüsten von Fäden, Garnen, Zwirnen, Schnüren, Seilen oder dgl. , FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES, OR THE LIKE



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