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.
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美
- 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。