SBS改性沥青的研究进展  

Research and Development of SBS Modified Asphalt

作　　者：丛玉凤[1] 黄伟[1] 刘政[1] 赵朝辉[1] 玄明琴[1] 廖克俭[1] 

机构地区：[1]辽宁石油化工大学石油化工学院,辽宁抚顺113001

出　　处：《抚顺石油学院学报》2002年第4期7-11,共5页Journal of Fushun Petroleum Institute

基　　金：辽河油田勘探设计院资助 (990 4- 95 9)

摘　　要：在总结了国内外相关文献的基础上 ,介绍和论述了SBS改性沥青的研究进展。内容涉及聚合物改性剂的种类 ;SBS改性剂的性质、结构和改性机理 ;SBS改性剂与其它聚合物改性剂的比较 ;SBS改性沥青的储存稳定性 ,包括改性沥青相容性与基质沥青的组成关系 ,改性沥青相容性与溶解度参数的关系 ,以及改性沥青的储存稳定性的评价方法 ;SBS改性沥青稳定剂的选择。同时考察了SBS改性剂的加入量与改性效果的关系。SBS改性剂能够均匀的分散在基质沥青中 ,形成均匀的热力学稳定体系 ,在结构上形成互相缠绕的分子互穿网络结构 ,使改性沥青具有较低的脆点 ;常温下粘度很大 ,能抵抗车辙 ;高温时粘度迅速降低 ,具有良好的施工性。同其它改性剂比较 ,在达到同样改性效果的同时具有用量少、来源方便、成本低。The research and development of SBS was introduced on the basis of summarizing references of China and overseas. It includes the character, structure, variety of polymer modifier; the mechanism of SBS; the comparison of SBS with other polymer modifier; the stockpile stability of modified asphalt(the relationship between modified asphalt compatibility and basic asphalt composition,the relationship between modified asphalt compatibility and its solubility parameter,the evaluation method of stability of modified asphalt); the selection of SBS modified asphalt stabilizer; the relationship between content of SBS modifier and modified effect was also investigated. SBS modifier can be dispersed uniformly in basic asphalt then a steady thermo-dynamical system will be built, and an interactive penetrating polymer network (IPPN) structure is formed. IPPN with interleaving molecular makes modified asphalt have lower brittle point; high viscosity in normal temperature which can resist track. Viscosity decreasing quickly in high temperature will make use easy. Comparing with other modifier, the SBS has advantages of low cost, less used amount,acquirable source, and good effect when the asphalt modified effect is the same.

关 键 词：SBS 改性沥青 研究进展 聚合物 改性剂 稳定性 离析 

分 类 号：TE626.86[石油与天然气工程—油气加工工程]