通过胺解反应合成了二(3-乙炔基苯胺)-甲基乙烯基硅烷(SZMV),并对其物理结构进行了表征.将SZMV与含硅芳炔(PSA)树脂通过熔融共混的方法制备了改性PSA树脂(PSA/SZMV).考察了改性PSA树脂的黏度、固化特性、耐热性能、介电性能以及复合材料的力学性能.研究结果表明SZMV的加入有效降低了树脂的黏度,使其加工工艺性能得到改善,氮气条件下树脂固化物的Td5高达571℃,仍保持良好的耐热性能,改性树脂的介电常数为2.9,复合材料的弯曲和层剪强度分别提高了45％和33.6％.
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