α-甲基苯乙烯树脂与不同SSBR的相容性及对性能的影响

LI Yici,LI Hai,ZHAO Fei

China Elastomerics(2021)

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Abstract
研究了α-甲基苯乙烯树脂(SA85)与三种不同丁苯橡胶(SSBR2466,HP355和SL553)的相容性,用玻璃化转变温度(Tg)的迁移表征了相容性的优劣.结果表明,α-甲基苯乙烯树脂SA85与SL553的相容性最好.SA85部分替代芳烃油后,SSBR2246的硫化程度降低,物理机械性能和耐磨性下降;而HP355和SL553的上述性能都有所提高.SA85树脂部分替代芳烃油使得SSBR的硫化速度加快,提高了SSBR的抗湿滑性,但对滚动阻力的影响不大.
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