CAJ | 학술논문

以乙烯裂解焦油为原料、苯甲醛为交联剂，在对甲基苯磺酸的催化作用下合成了缩合多环多核芳香烃（COPNA）树脂。采用傅里叶变换红外光谱、核磁共振氢谱、热重分析、Brown-Ladner法对乙烯裂解焦油和COPNA树脂的组成、结构及耐热性进行了分析。研究表明：乙烯裂解焦油富含多环芳香烃，且不含长链烷基侧链，空间位阻小，适合作为COPNA树脂的原料。所制COPNA树脂的耐热性、残炭率和β树脂含量较乙烯裂解焦油明显提高，起始热分解温度超过200℃，500℃残炭率达到34.57%，β树脂质量分数为23.02%。
이을희렬해초유위원료、분갑철위교련제，재대갑기분광산적최화작용하합성료축합다배다핵방향경（COPNA）수지。채용부리협변환홍외광보、핵자공진경보、열중분석、Brown-Ladner법대을희렬해초유화COPNA수지적조성、결구급내열성진행료분석。연구표명：을희렬해초유부함다배방향경，차불함장련완기측련，공간위조소，괄합작위COPNA수지적원료。소제COPNA수지적내열성、잔탄솔화β수지함량교을희렬해초유명현제고，기시열분해온도초과200℃，500℃잔탄솔체도34.57%，β수지질량분수위23.02%。
Condensed polynuclear aromatic (COPNA) resin was synthesized from ethylene pyrolysis oil with benzaldehyde as a cross-linking agent in the presence of p-toluene sulfonic acid. The composition, structure and heat resistance of ethylene pyrolysis oil and COPNA resin obtained were analyzed by Fourier transform infrared spectroscopy (FTIR), hydrogen nuclear magnetic resonance (1H-NMR), thermogravimetry and Brown-Ladner method. The results show that ethylene pyrolysis oil is a desirable raw material to prepare COPNA resin for its high content aromatics, small steric hindrance and containing no long alkyl side chains. The COPNA resin po-ssesses good thermal stability, high carbon yield and content of β resin compared with ethylene pyrolysis oil. The COPNA resin has onset decomposition temperature above 200 ℃, carbon yield up to 34.57% at 500 ℃ and mass percentage ofβresin of 23.02%.