新型炭材料2013，Vol.28Issue(2)：140-145,6.DOI:10.1016/S1872-5805(13)60073-6
三种改性煤沥青的性能及其炭化行为对比
A comparative study of the characteristics and carbonization behaviors of three modified coal tar pitches
摘要
Abstract
Coal tar pitch (CTP) was modified either with 10 g cinnamaldehyde (CMA) per 100 g CTP,7 g p-toluene sulfonic acid (PTS) per 100g CTP,or a mixture of 10g CMA and 7 g PTS per 100g CTP.The parent CTP and the modified CTPs were characterized by Fourier transform infrared spectroscopy (FT-IR) and thermogravimetric analysis.The four samples were carbomzed at different temperatures and the products were characterized by Fr-IR and polarized-light microscopy.Results show that the modifications have a large influence on the characteristics and carbonization behavior of the CTP.The distillation of CMA occurs at a temperature lower than 300 ℃ during the carbonization of the CMA-modified CTP.Methyl and methylene groups of the parent CTP and the modified CTPs gradually disappear with increasing temperature during carbonization.The modification of the CTP with the mixture of CME and PTS results in a highest increase (5.08％) of carbonization yield and the most abundant mesophase sphere formation during carbonization.关键词
煤沥青/苯丙烯醛/对甲苯磺酸/炭化Key words
Coal tar pitch/Cinnamaldehyde/p-toluene sulfonic acid/Carbonization分类
通用工业技术引用本文复制引用
张文娟,李铁虎,卢萌,侯翠岭..三种改性煤沥青的性能及其炭化行为对比[J].新型炭材料,2013,28(2):140-145,6.基金项目
Natural Science Foundation of Shaanxi Province (2009GM6001-1).陕西省自然科学基金(2009GM6001-1). （2009GM6001-1）
