节点文献
应用凝胶渗透色谱法研究改性沥青机理
Mechanism study of modified asphalt by Gel Permeation Chromatography
【摘要】 采用高速剪切工艺制备了SBS改性沥青,并应用凝胶渗透色谱法测试了SBS改性沥青在不同发育时间下的分子量分布特征,探讨了SBS改性沥青的机理,提出适合于SBS改性沥青的工艺条件是高温剪切后低温充分发育的二阶段工艺。
【Abstract】 In this paper by Gel Permeation Chromatography(GPC) characteristic of the molecular weight distribution is determined, and the SBS (Styrene - Butadiene -Styrene ) modified mechanism is probed. Through systemic tests the optimal technology conditions of SBS modified asphalt is defined, that is, by following steps: shearing SBS by high - speed shear equipment, and then, developing in lower temperature.
【关键词】 凝胶渗透色谱;
改性沥青;
高速剪切;
改性机理;
【Key words】 Gel Permeation Chromatography; modified asphalt; high - speed shear; modified mechanism;
【Key words】 Gel Permeation Chromatography; modified asphalt; high - speed shear; modified mechanism;
【基金】 国家自然科学基金!(59878017);国家开放试验室基金
- 【文献出处】 哈尔滨建筑大学学报 ,JOURNAL OF HARBIN UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE , 编辑部邮箱 ,2000年02期
- 【分类号】O657.72
- 【被引频次】28
- 【下载频次】401