저구름 저항성, 내마모성 및 내편마모성을 종래 레벨 이상으로 개량하도록 한 중하중 공기입 타이어를 제공한다. 중하중 공기입 타이어용 고무 조성물은, 천연 고무를 80 ~ 100중량% 포함하는 디엔계 고무 100중량부에 대하여, 실리카를 35 ~ 50중량부, 유황을 1.5 ~ 3.5중량부, 카본 블랙, 술펜아미드계 가류 촉진제 및 유황 함유 실란 커플링제를 배합하고, 상기 유황 및 유황 함유 실란 커플링제 중의 유황의 합계가 1.85 ~ 6.0중량부이고, 상기 술펜아미드계 가류 촉진제의 배합량이 특정의 식 (1)에 의하여 구하여지는 A중량부 이상 2.6중량부 이하인 것을 특징으로 한다.

    The rubber composition of the present technology comprises: from 35 to 50 parts by weight of silica, from 1.5 to 3.5 parts by weight of sulfur, carbon black, a sulfenamide vulcanization accelerator, and a sulfur-containing silane coupling agent per 100 parts by weight of a diene rubber containing from 80 to 100 wt. % of a natural rubber; a total amount of the sulfur and the sulfur in the sulfur-containing silane coupling agent being from 1.85 to 6.0 parts by weight; and a compounded amount of the sulfenamide vulcanization accelerator being from A parts by weight to 2.6 parts by weight both inclusive, where A is determined by the formula A=0.2209S2−1.409S+1.309Y+2.579, where S is the compounded amount of the sulfur and Y is a positive number.


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    Title :

    HEAVY LOAD PNEUMATIC TIRE


    Additional title:

    중하중 공기입 타이어


    Publication date :

    2016-07-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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