A carbon foam was prepared from petroleum mesophase pitch in a high pressure/high temperature reactor by self-bubbling of volatile gas and infiltration of nitrogen at high pressure.

• 利用沥青在热解过程中产生挥发性气体自发泡和高压渗氮的原理,以石油中间相沥青为原料,采用高压反应釜制备炭泡沫材料。