The invention discloses a tire tread rubber composition which comprises the following components in parts by weight: 50-80 parts of natural rubber; 20-50 parts by weight of solution polymerized styrene-butadiene rubber; 5-40 parts by weight of low hysteresis carbon black; 5-50 parts by weight of white carbon black with a high specific surface area; 0.5 to 5 parts by weight of a super silane coupling agent; 1-3 parts by weight of stearic acid; 1-5 parts by weight of zinc oxide; 0.2-1 part by weight of a rubber low rolling resistance modifier; 1-2.5 parts by weight of microcrystalline wax; 1.5 to 3.5 parts by weight of an anti-aging agent 6PPD; 0.5 to 2 parts by weight of an anti-aging agent TMQ; 1-2 parts by weight of oil-extended sulfur powder; 1.5 to 2.5 parts by weight of an accelerator NS; and 0.2-1 part by weight of an accelerant D. A product produced from the tire tread rubber composition provided by the invention is high in comprehensive mechanical property, low in tan delta value at 50-80 DEG C and low in tire rolling resistance.
本申请公开了一种轮胎胎面橡胶组合物,包括:50‑80重量份的天然橡胶;20‑50重量份的溶聚丁苯橡胶;5‑40重量份的低滞后炭黑;5‑50重量份的高比表面积白炭黑;0.5‑5重量份的超级硅烷偶联剂;1‑3重量份的硬脂酸;1‑5重量份的氧化锌;0.2‑1重量份的橡胶低滚阻改性剂;1‑2.5重量份的微晶蜡;1.5‑3.5重量份的防老剂6PPD;0.5‑2重量份的防老剂TMQ;1‑2重量份的充油硫磺粉;1.5‑2.5重量份的促进剂NS;0.2‑1重量份的促进剂D。本申请所提出的轮胎胎面橡胶组合物生产的产品综合机械性能高,50‑80℃的tanδ值低,轮胎滚动阻力低。
Tire tread rubber composition
一种轮胎胎面橡胶组合物
2023-09-05
Patent
Electronic Resource
Chinese
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 |