To provide a rubber composition usable for a layered member of a tire, which can achieve both good hardness and elongation.SOLUTION: The rubber composition for tire fiber coating contains a diene rubber containing a natural rubber and has, at an ambient temperature of 25°C, a dynamic storage modulus (1%E') at 1% strain of 250 MPa or more and 450 MPa or less and a breaking strain (Eb) in tension measured according to ASTM D3182 of 10% or more and 100% or less.SELECTED DRAWING: Figure 1
【課題】良好な硬度と伸びとを両立することが可能な、タイヤの層状部材に用いることができるゴム組成物を提供する。【解決手段】天然ゴムを含むジエン系ゴムを含有し、周囲温度25℃において、歪1%での動的貯蔵弾性率(1%E’)が250MPa以上450MPa以下であり、且つ、ASTM D3182に準拠して測定される引張時の破断歪(Eb)が10%以上100%以下である、ことを特徴とする、タイヤの繊維被覆用ゴム組成物。【選択図】図1
RUBBER COMPOSITION FOR TIRE FIBER COATING, FIBER CORD-RUBBER COMPOSITE FOR TIRE, AND TIRE
タイヤの繊維被覆用ゴム組成物、タイヤ用繊維コード−ゴム複合体、及びタイヤ
2021-06-17
Patent
Elektronische Ressource
Japanisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / 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 |
RUBBER COMPOSITION FOR TIRE FIBER COATING, FIBER CORD-RUBBER COMPOSITE FOR TIRE, AND TIRE
Europäisches Patentamt | 2021
|Rubber-reinforcing fiber, rubber product, tire cord, and tire
Europäisches Patentamt | 2022
|RUBBER COMPOSITION FOR COATING FIBER CORD AND PNEUMATIC TIRE
Europäisches Patentamt | 2016
|