乙烯裂解焦油及其合成COPNA树脂的性能  

Properties of ethylene pyrolysis oil and its synthetic condensed polynuclear aromatic resin

作　　者：李士斌[1,2] 孙启乾 石阳阳 张在龙 吴明铂 

机构地区：[1]中国石油大学(华东)化学工程学院,重质油国家重点实验室,山东省青岛市266555 [2]中国石油大学(华东)理学院,山东省青岛市266555

出　　处：《合成树脂及塑料》2014年第3期34-37,44,共5页China Synthetic Resin and Plastics

基　　金：山东省自然科学基金项目(ZR2011EL030);中央高校基本科研业务费专项资金项目(12CX06091A)

摘　　要：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%。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%.

关 键 词：缩合多环多核芳香烃树脂 乙烯裂解焦油 苯甲醛 

分 类 号：TQ322.4[化学工程—合成树脂塑料工业]