煤焦油蒸馏的新产品——改质沥青的生产  

Production of Modified Asphalt

作　　者：李琳 

机构地区：[1]本钢工学院,辽宁本溪117000

出　　处：《辽宁化工》2004年第12期709-710,共2页Liaoning Chemical Industry

摘　　要：论述了利用热缩聚方法对中温沥青进行改质处理来生产改质沥青 ,提高了沥青的软化点、β树脂含量及结焦值 ;并介绍了生产工艺的特点。The production of modified asphalt by a modifying process of heat polycondensation from asphalt with medium softening point was introduced. The modified asphalt had a higher softening point, β-resin content and coking value. the characteristics of the process, main technological parameters and product quality were also introduced.

关 键 词：改质沥青 热缩聚 软化点 Β树脂 

分 类 号：TE626.86[石油与天然气工程—油气加工工程]