Modification of coal tar pitch(CTP) as carbon materials was studied using 4-methyl benzaldehyde(4-MB) as modifier by an acid catalyst.

• 以对甲基苯甲醛(4-methyl benzaldehyde,简称4-MB)为改性剂,在对甲苯磺酸(PTS)的作用下对煤沥青进行了改性研究。