High quality modified pitch for carbon materials were prepared from medium-temperature coal tar pitch with an acid(PTS)as catalyst and with divinylbenzene(DVB) as cross-linking agent.

• 以二乙烯基苯(DVB)为交联剂,在对甲苯磺酸(PTS)的作用下对中温煤沥青进行改性,制备出性能优良的炭材料用改性沥青,并对改性沥青的性能进行表征。