以对甲苯磺酸(PTS)为催化剂,研究了改性温度、时间和改性剂苯甲醛用量对改性煤沥青(MCTP)中间相显微结构产生的影响.研究表明,当苯甲醛/煤沥青(CTP)质量比为30/100、反应温度为150℃和反应时间为15h时得到的MCTP,其中间相呈不完全纤维组织结构；XRD分析表明,通过苯甲醛改性煤沥青,有利于提高中间相光学组织结构的有序性.FT-IR分析表明,改性后芳核骨架振动吸收频率增大,提高了芳核的缩合度;1H-NMR分析表明,改性过程中的改性反应主要发生在HA上,并对改性过程可能发生的反应机理进行了分析.
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