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摘要:
SBS(styrene-butadiene-styrene block copolymer)has been widely used in pavement industry as an asphalt modifier.Nanomaterials can further enhance the performance of SBS modified asphalt.However,rare studies investigate the feasibility of using graphene as a performance enhancer of SBS modified asphalt.To fill this gap,comprehensive experimental tests including chemical and mechanical test were carried out on SBS-graphene modified asphalt and SEBS(styrene-ethylene-butylene-styrene block copolymer,which is a hydrogenated polymer of SBS)modified asphalt.Graphene with different dimensions and contents was taken into consideration in this study.Based on the experimental work,it can be concluded that graphene improves the mid-temperature performance of SBS modified asphalt.Compared with two-dimensional graphene,three-dimensional graphene has a greater advantage and the enhancement effect increases with the increase of its dosage.In addition,the cross-linked structure of SBS-graphene composite improves the distribution of SBS in asphalt,which improves the overall performance of SBS modified asphalt.
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篇名 Comparative Analysis of Rheological Properties and Modification Mechanism of SBS-Graphene Composite Modified Binder
来源期刊 材料科学与应用(英文) 学科 工学
关键词 SBS-graphene modified asphalt chemical analysis rheological properties
年,卷(期) 2020,(1) 所属期刊栏目
研究方向 页码范围 48-58
页数 11页 分类号 TQ3
字数 语种
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SBS-graphene
modified
asphalt
chemical
analysis
rheological
properties
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引文网络交叉学科
相关学者/机构
期刊影响力
材料科学与应用(英文)
不定期
2661-4464
重庆市渝北区赛迪路2号金山商业中心A座
出版文献量(篇)
33
总下载数(次)
0
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0
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