【摘要】 利用石油道路沥青 ４ 组分分离方法，测定了石油沥青、石油道路沥青以及煤沥青的族组成。利用该测定结果指导煤沥青橡胶改质筑路油的开发和橡胶改质的机理研究，并在此基础上成功地开发出高质量的煤沥青筑路油新产品。建立了能关联煤沥青组成与软化点之间关系的方程。更多还原

【Abstract】 The components of petroleum asphalt, asphalt for paving and coal tar pitch have been analyzed by four component method.The information obtained has been used to open up a rubber modified road binder of coal tar pitch and to serve for its mechanism research.A high quality road binder has successfully been developed.A two parameter equation for correlation of coal tar pitch components and their softening points was presented.更多还原