Effect of a lignin-based polyurethane on adhesion properties of asphalt binder during UV aging process
一木质素基聚氨酯对沥青结合料在紫外光老化过程中粘附性能的影响
作者: Chao PengShifan HuangZhanping YouFang XuLingyun YouHui OuyangTianjun LiChong GuoHongchao MaPengxu ChenJing Dai
作者单位: 1Faculty of Engineering, China University of Geosciences, Wuhan 430074, PR China
2Department of Civil and Environmental Engineering, Michigan Technological Univ., Houghton, MI 49931-1295, United States
3Key Laboratory of Road Structure and Material of Ministry of Transport (Changsha), Changsha University of Science & Technology, Changsha 410004, PR China
4Key Laboratory of Advanced Technology for Specially Functional Materials, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, PR China
刊名: Construction and Building Materials, 2020, Vol.247
来源数据库: Elsevier Journal
DOI: 10.1016/j.conbuildmat.2020.118547
关键词: Lignin-based polyurethaneTensile strengthAdhesion energyStripping energyUV aging process
英文摘要: Abstract(#br)Polyurethane is gradually used to chemically modify asphalt binder due to its outstanding compatibility with asphalt binder. One of the plant wastes (lignin) containing hydroxyl groups on its surface can replace one of the raw materials (polyether polyol) to prepare lignin-based polyurethane (LPU). To investigate the adhesion properties of lignin-based polyurethane modified asphalt binder (LPUA) during UV aging process, LPUA was prepared by high-temperature blending of lignin, toluene diisocyanate and matrix asphalt binder (MA). The adhesion properties of asphalt binders were evaluated by the pull-off experiment, ultrasonic washing experiment and contact angle test. The pull-off experiment shows that the tensile strength of LPUA increases by 27.3% in comparison with that of...
全文获取路径: Elsevier  (合作)
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影响因子:2.293 (2012)

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关键词翻译
关键词翻译
  • polyurethane 聚氨酯
  • binder 粘合剂
  • process 过程
  • energy 能量
  • aging 老化
  • asphalt 地沥青
  • adhesion 粘附
  • properties 道具
  • based 基于
  • lignin 木素