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

• 以煤沥青为原料、三聚甲醛为交联剂,在对甲苯磺酸的催化作用下合成缩合多环多核芳香烃(COPNA)树脂。