The condensed polynuclear aromatic (COPNA) resin was synthesized using coal tar pitch as monomer and terephthalic aldehyde as cross-linking agent in the presence of p-toluene sulfonic acid.

• 摘要以煤沥青为单体、对苯二甲醛为交联剂，在对甲苯磺酸的催化作用下合成缩合多核芳烃(COPNA)树脂。