含反式-1,4-聚异戊二烯的轮胎胶料的加工和使用性能

对掺用反式１，４聚异戊二烯（ＴＰＩ）的胎面和胎侧胶料进行了试验。试验结果表明，含ＴＰＩ的胶料具有良好的包辊性和毛细管流变性；硫化诱导期和焦烧时间稍有延长，这更有利于安全加工。因此，用少量（如２０份）ＴＰＩ替代ＮＲ制备胎面和胎侧胶从加工工艺角度考虑是可行的，无需改变现行轮胎生产设备和工艺配方。掺用ＴＰＩ的胶料较不用者定伸应力提高，滚动阻力和压缩生热降低，耐疲劳性能优异，磨耗和干湿路面摩擦因数保持较高水平，即轮胎三大行驶性能间有较好的综合平衡。

Processibility and Physical Properties of Trans-,4-polyisoprene-containing Tire Compound

The trans 1,4 polyisoprene (TPI) containing tread and sidewall compounds were tested.The results showed that the TPI containing compound featured the good banding charateristics and capillary rheology,and the extended curing induction period and scorch time which were beneficial to safe process;from the view of precessibility,it was practical to use small amount(e.g.20 parts) of TPI instead of NR for preparing tread and sidewall compounds without changing existent tire manufaturing eqnipment,technology and formula;the TPI containing compound possessed higher modulus,lower rolling resistance and compression heat build up,better fatigue properties,and higher wear resistace and friction coefficient both on dry and wet roads when compared with the conventional compound.