The invention relates to an automobile tire, the tread material of which is a rubber composition comprising the following components in parts by weight: 65-75 parts of styrene-butadiene rubber and 25-35 parts of natural rubber as matrix rubber; 30 to 60 parts of modified fumed silica and 30 to 60 parts of carbon black as a functional filler; 10-20 parts of specific boron hybrid methyl vinyl MQ silicon resin and 5-10 parts of synthetic terpene resin as tackifying resin; 5-10 parts of a vulcanizing agent and 2-5 parts of a vulcanization accelerator. The cured automobile tire has the advantages of high elasticity, self-flame retardancy, favorable wear resistance, excellent road holding performance and excellent road holding durability, and has wide application prospects in the field of medium/large-sized automobile tires.
本发明涉及一种汽车轮胎,其胎面材料采用如下组分的橡胶组合物,按重量份数计:基体橡胶为:65~75份苯乙烯‑丁二烯橡胶,25~35份的天然橡胶;功能填料为:30~60份改性气相法白炭黑,30~60份炭黑;增粘树脂为:10~20份特定硼杂化甲基乙烯基MQ硅树脂,5~10份合成萜树脂;硫化剂5~10份、硫化促进剂2~5份。本发明所述的汽车轮胎在固化后具有高弹性、和自阻燃性、良好的耐磨性能与极佳抓地性能和抓地耐久度,在中大型汽车轮胎领域具有广泛的应用前景。
Automobile tire
一种汽车轮胎
2020-07-14
Patent
Electronic Resource
Chinese
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |