化学名称:中温沥青 英文名称:Soft Pitch常温下为黑色固体,在一定的 温度下凝固成很脆的具有贝壳状断口的固体,呈玻璃相;没有一定的熔点,在一定的熔点范围内熔化,凝固时没有热效应。沥青组分极为复杂,大多数为三环以上的芳香族烃类,还有含氧、氮和硫等元素的杂环化合物和少量高分子炭素物质。
中温沥青经过在一定的压力和温度下进行闪蒸获得。
It is obtained by distilling soft pitch in flash column under certain pressure and temperature.
中温沥青经过在一定的压力和温度下,经过一定时间热处理获得。
It is obtained by distilling soft pitch in modified pitch column under certain pressure and temperature after certain time heating.
该技术可提高现有改质沥青生产设备对中温沥青原料的适应范围。
The adaptability of the current equipments for production of the modified bitumen to the medium temperature bitumen material has been improved by application of this technology.
应用推荐