본 발명의 타이어 트레드들은, 하나 이상의 반복적인 피치(pitch)를 갖고, 각각의 반복적인 피치는 그 안에 접지면 홈(sipe)들이 형성된 트레드 블록들을 갖는 개개의 피치들을 포함하고, 각각의 피치는 15mm 내지 35mm의 피치 길이를 갖는다. 이러한 트레드들은 공개된 하기의 수학식 2를 통해 결정되는, 10 mm내지 37mm의 가중 평균 접지면 홈 밀도(D)를 가질 수도 있다. 트레드 블록들은 디엔 탄성중합체, 가소성 시스템 및 가교(cross-linking) 시스템에 기반한 고무 조성으로부터도 형성되고, 여기서 고무 조성은 -40℃ 내지 -15℃의 유리 전이 온도와 0.5MPa 내지 1.1MPa의 60℃에서 측정된 전단계수(G)를 갖는다.

    Tire treads having one or more repeating pitches, each repeating pitch comprising individual pitches having tread blocks with sipes formed therein and each pitch having a pitch length of between 15 mm and 35 mm. Such treads may also have a weighted average sipe density Dw of between 10 mm−1 and 37 mm−1, which is determined through the disclosed Eq. 2 below. The tread blocks are also formed from a rubber composition based upon a diene elastomer, a plasticizing system and a cross-linking system, wherein the rubber composition has a glass transition temperature of between −40° C. and −15° C. and a shear modulus G* measured at 60° C. of between 0.5 MPa and 1.1 MPa.


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    Title :

    TIRE TREAD WITH IMPROVED SNOW/DRY TRACTION


    Additional title:

    개선된 눈길/건조 정지마찰력을 갖는 타이어 트레드


    Contributors:

    Publication date :

    2016-05-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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