改善轮胎性能的钕系高顺式BR

概述BR生产现状，重点介绍3种不同牌号的钕系BR的分子结构参数、基本性能、胶料混炼特性、硫化胶性能以及在载重斜交轮胎胎冠和胎侧以及全钢子午线轮胎胎侧中的应用情况，并与镍系BR进行对比。试验表明，在载重斜交轮胎中应用钕系BR，胶料的混炼工艺性能可达到镍系BR胶料的水平，且轮胎的耐久性和速度性能比镍系BR轮胎高，胎冠和胎侧温度比镍系BR轮胎低；在全钢子午线轮胎胎侧中应用钕系BR，可提高轮胎的耐久性。

Improving tire performance with NdBR

The production of BR in the world was briefly introduced.The 3 brands of NdBR were described in terms of their molecular structure parameters,basic properties,mixing behaviors,vulcanizate properties and applications in crown and sidewall compounds of bias ply tire and sidewall compound of BTR tire,and a comparative test was made to NiBR.The results showed that the mixing behavior of NdBR was similar to that of NiBR in bias truck tire,the endurance and speed performance of tire improved,and the temperatures in crown and sidewall decreased;and the endurance of BTR tire improved by using NdBR in sidewall compound.