在氮气保护和高压电场作用下,以中温煤沥青为原料,采用带程序升温的管式炉进行热转化实验,制备出煤沥青中间相.采用偏光显微镜、X射线衍射仪(XRD)、红外光谱仪(FT-IR)和热重分析仪(TG)等测试手段对其形貌和结构进行了分析表征.研究了原料改性和电场对煤沥青中间相形成的影响.研究结果表明,原料改性对中间相的形成有促进作用.电场强度控制在20kV/m,在420℃开始引入电场,有利于生成具有各向异性的中间相组织.
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