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硅酸盐通报 ›› 2017, Vol. 36 ›› Issue (8): 2636-2641.

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有机改性膨润土制备及其用于改性沥青的研究进展

谭彦卿;金娇;郑健龙;吴寅瑞;覃钟钦;张雪晴;王强;刘博   

  1. 长沙理工大学交通运输工程学院,长沙 410114;特殊环境道路工程湖南省重点实验室,长沙 410114
  • 出版日期:2017-08-15 发布日期:2021-01-18
  • 基金资助:
    湖南省教育厅科学研究项目——优秀青年项目(16B007)%长沙理工大学交通运输工程学院开放基金(kfj160501)

Preparation of Organic Modified Bentonite and Its Research Progress in Modified Asphalts

TAN Yan-qing;JIN Jiao;ZHENG Jian-long;WU Yin-rui;QIN Zhong-qin;ZHANG Xue-qing;WANG Qiang;LIU Bo   

  • Online:2017-08-15 Published:2021-01-18

摘要: 有机膨润土在沥青中形成剥离型结构,因此能够有效提高沥青的高低温性能、抗老化能力.针对膨润土的结构与特性进行了介绍,综述了有机膨润土的制备方法与有机膨润土的改性机理,阐述了有机膨润土单一改性与复配改性沥青的作用与机理,并对有机膨润土改性沥青的发展与研究方向进行了展望.

关键词: 沥青;膨润土;层状结构;有机改性

Abstract: Organic bentonite modified asphalt has exfoliated structure type, so it can effectively improve the high and low temperature properties and anti-aging ability of asphalt.The structure and properties of bentonite is introduced.The production methods of organic modification and the modification mechanisms of bentonite are also reviewed.The effects and mechanisms of single component and complex modified asphalt are summarized.The prospects and development trend of the organic bentonite modified asphalt are discussed.

Key words: asphalt;bentonite;layered structure;organic modification

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