Coal tar pitch was modified by adding pyridine borane.The effect of reaction conditions on the properties and components of modified pitches was investigated.

• 以吡啶硼烷为添加剂对煤焦油沥青进行改性,考察了工艺条件(硼添加量,反应温度,反应时间)对改性沥青软化点、残炭值及其族组成的影响。