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The distribution of rubber oil in oil-extended thermoplastic elastomer styrene-butadiene-styrene

机译:橡胶油在充油热塑性弹性体苯乙烯-丁二烯-苯乙烯中的分布

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摘要

Rubber oil and thermoplastic elastomer styrene-butadiene-styrene (SBS) were selected for this work to study the distribution of rubber oil in SBS. Glass transition temperature (T-g) of different components in rubber oil and rigid or soft phase in oil-extended thermoplastic elastomer SBS were measured by means of rheometer and dynamic mechanical analysis. Results calculated by Fox equation and verification tests proved that rubber oil is not only distributed in soft phase but also in rigid phase of SBS. Saturated hydrocarbon components of rubber oil tend to dissolve in soft phase, while aromatic components tend to dissolve in rigid phase.
机译:选择橡胶油和热塑性弹性体苯乙烯-丁二烯-苯乙烯(SBS)进行这项工作,以研究橡胶油在SBS中的分布。借助流变仪和动态力学分析,测量了橡胶油中不同组分的玻璃化转变温度(T-g)和充油的热塑性弹性体SBS中的硬相或软相。通过Fox方程计算和验证测试表明,橡胶油不仅分布在SBS的软相中,而且分布在SBS的刚性相中。橡胶油的饱和烃成分倾向于溶解在软相中,而芳香族成分倾向于溶解在硬相中。

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