The present invention relates to a polyester tire cord made of polyester yarn and having a 5% LASE of 1.2 g/d or more as measured according to ASTM D885 at 80°C, a 5% LASE of 1.0 g/d or more as measured according to ASTM D885 at 120°C, and a toughness retention rate of 65% or more at 80°C and 120°C. The tire cord of the present invention has a modulus comparable to that of rayon even in a high-temperature environment at 120°C or higher, and has excellent dimensional stability and heat resistance, and thus it can be advantageously applied to a high-performance tire.


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    Title :

    POLYESTER TIRE CORD HAVING EXCELLENT HEAT RESISTANCE, AND TIRE COMPRISING SAME


    Additional title:

    REIFENKORD AUS POLYESTER MIT AUSGEZEICHNETER HITZEBESTÄNDIGKEIT UND REIFEN DAMIT
    CÂBLE EN POLYESTER POUR PNEU AYANT UNE EXCELLENTE RÉSISTANCE À LA CHALEUR, ET PNEU LE COMPRENANT


    Contributors:
    JOO SI-HWAN (author) / KIM CHEOL (author) / PARK JIN-KYEONG (author)

    Publication date :

    2023-10-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / 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 / D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS , Kräuseln oder Texturieren von Fasern, Fäden, Garnen oder Zwirnen



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