通过对改质沥青中β树脂产生机理进行研究,确定提高β树脂含量的方法. 对提高改质沥青β树脂的控制过程进行分析,改善生产工艺参数及过程控制,改质沥青β树脂含量由17%提高到21%.%The forming mechanism of β resin in modified pitch is researched, the method to increase the con-tent of β resin is determined.The control process is analyzed; production process parameters and process control are improved.The content of β resin in modified pitch is increased from 17 to 21 percent.
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