采用高结合苯乙烯SBR改善胎面胶抗湿滑性能  

Improving wet skid resistance of tread compound by using SBR1721

作　　者：赵平[1] 谢其诚 李文东[1] 林福 曾季[1] 陆冠良 

机构地区：[1]北京橡胶工业研究设计院,北京100039 [2]台橡股份有限公司,台湾省高雄03553737

出　　处：《轮胎工业》2007年第5期286-291,共6页Tire Industry

摘　　要：对SBR1721基本性能及对轿车轮胎胎面胶性能的影响进行研究,并与SBR1712进行比较。结果表明,与SBR1712相比,SBR1721结合苯乙烯含量高,相对分子质量大、分布宽,玻璃化温度高;SBR1721胶料混炼工艺性能略好,挤出工艺性能相当;SBR1721用于轿车轮胎胎面胶可显著改善胎面抗湿滑性能,但对滚动阻力、生热和耐磨性能有一定负面影响,滚动阻力和生热可通过适当增大白炭黑用量进行调节,但需考虑平衡耐磨性能。The basic properties of SBR1721 and their effects on performance of tread compound of PCR tire were investigated and compared to SBR1712. The results showed that SBR1721 contained more bound styrene, had higher Mw^-,Mn^-,Mw^-/Mn^- and Tg, and better mixing behavior, similar extrudability when compared to SBR1712 ;the wet skid resistance of tread compound improved significantly by using SBR1721,but the rolling resistance and heat build-up increased, and the abrasion resistance decreased the rolling resistance and heat build-up could be improved by increasing the addition level of silica,but the abrasion resistance decreased.

关 键 词：充油SBR 胎面胶 抗湿滑性能 

分 类 号：TQ330.7[化学工程—橡胶工业]