The present invention relates to a tire comprising a sealant layer and an acoustic absorbent layer. The tire comprises: the acoustic absorbent layer which is attached to the inner side surface of the tire; and the sealant layer which is arranged between the inner side surface of the tire and the acoustic absorbent layer and includes a sealant attaching the acoustic absorbent layer to the inner side surface of the tire. The tire has the acoustic absorbent layer attached to an upper side of the sealant layer spread on an inner side surface of the tire, thereby performing self-sealing when becoming flat and reducing noise, increases the average size of air holes of the acoustic absorbent to reduce the specific surface area between the sealant and the acoustic absorbent, thereby improving the flow of the sealant, and reduces the attachment specific surface area between a surface of a nail and the acoustic absorbent material even when the nail penetrates the tire and the sealant and reaches the acoustic absorbent material, thereby preventing fine fragments of the acoustic absorbent material from lowering the functions of the sealant and maintaining the performance of reducing noise.

    본 발명은 실란트층 및 흡음재층을 포함하는 타이어에 관한 것으로서, 상기 타이어는 타이어 내측면에 부착된 흡음재층, 그리고 상기 타이어 내측면과 상기 흡음재층 사이에 배치되며, 상기 흡음재층을 상기 타이어 내측면에 부착시키는 실란트(sealant)를 포함하는 실란트층을 포함한다. 상기 타이어는 타이어 내측면에 도포된 실란트층 위에 흡음재층을 부착하여 펑크 발생시 자가 봉합을 할 수 있으면서도 소음 저감 성능을 가지며, 흡음재의 평균 기공 크기를 증가시킴으로써, 실란트와 흡음재 사이의 비표면적을 줄여 실란트의 흐름성을 향상시키고, 못이 타이어와 실란트를 관통하여 흡음재에 도달시에도 못의 표면과 흡음재의 부착 비표면적을 감소시켜 흡음재의 미세 조각이 실란트의 기능을 저하시키는 것을 방지하고 소음 저감 성능도 유지할 수 있다.


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    Titel :

    TIRE COMPRISING SEALANT LAYER AND ACOUSTIC ABSORBENT LAYER


    Weitere Titelangaben:

    실란트층 및 흡음재층을 포함하는 타이어


    Beteiligte:
    SEO BYEONG HO (Autor:in) / JEONG DA MI (Autor:in) / KANG CHANG HWAN (Autor:in) / KIM HAK JOO (Autor:in)

    Erscheinungsdatum :

    2020-06-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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