본 발명은 에어백용 원단에 사용 가능한 폴리에스테르 원사에 관한 것으로, 특히, 상온에서 측정한 원사의 강인성(T)에 대한 185 ℃에서 60 분 동안 열처리 후 측정한 원사의 강인성 (T)의 비가 (T/T)가 0.8 이상인 폴리에스테르 원사 및 그의 제조방법, 이로부터 제조된 에어백용 원단에 관한 것이다. 본 발명의 폴리에스테르 원사는 낮은 초기 모듈러스와 함께 우수한 기계적 물성을 확보함에 따라 에어백용 원단으로 사용시 우수한 수납성, 형태안정성과 함께 우수한 공기 차단 효과를 제공하며, 이와 동시에 승객에게 가해지는 충격을 최소화하여 탑승자를 안전하게 보호할 수 있다.

    PURPOSE: A polyester yarn used in a fabric and a method for fabricating the same are provided to ensure excellent mechanical property and to safely prevent passengers from shock. CONSTITUTION: A method for fabricating polyester yarn comprises: a step of melting and spinning polyester polymers with 1.2 dl/g of intrinsic viscosity at 270-310°C to prepare polyester undrawn yarn; and a step of extending the polyester undrawn yarn. The difference of intrinsic viscosity between the polyethylene terephthatlate polymers and polyester yarn is 0.7 dl/g or less. A polyester fabric contains the polyester yarn.


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    Titel :

    POLYESTER FIBER AND PREPARATION METHOD THEREOF


    Weitere Titelangaben:

    폴리에스테르 원사 및 그의 제조방법


    Erscheinungsdatum :

    23.02.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    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 / 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 / D03D WOVEN FABRICS , Gewebe



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    Europäisches Patentamt | 2017

    Freier Zugriff