采用原位表面修饰纳米SiO2补强乳聚丁苯橡胶(ESBR),借助修饰界面与基体作用力的差异,分析了原位表面修饰纳米SiO2对ESBR的补强机理,以及由此引起复合材料力学性能、硫化加工、动态力学性能的变化.实验表明,可反应性纳米SiO2RNS-D对ESBR力学性能具有更好的补强效果;这是因为与可分散性纳米SiO2 DNS-2相比,RNS-D表面修饰的双键表现出较强的反应活性,其强劲的界面结合作用和密集的交联结构提高了RNS-D的补强作用,界面作用力的差异也深刻地影响着硫化体系的加工和动态力学性能.
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