Abstract: In this work, the SrAl2O4:Eu2+, Dy3+ luminescent powder was used as the coating matrix, the shell was treated with the double silicon coa-ting modification technology, and the long afterglow waterborne marking paint was prepared. Then the paint film test and road performance test were carried out, and the performance of the marking paint was evaluated comprehensively. The results show that a waterborne luminescent paint with excellent film performance and luminous effect can be prepared by using silica-propyl emulsion as the base material, sodium hexametaphosphate as a dispersant, and sodium methylcellulose as an anti-sedimentation agent with a water-base ratio of 33%. The marking coating obtained a surface drying time of 1.4 h and a hardness of 2H. The water resistance and acid resistance both of coatings were normal after soaking for 24 hours, the paint discolored slightly after soaking in 40% sodium hydroxide solution. Its high and low-temperature resistance was excellent. The adhesion could reach 2-level. The marking film thickness is preferably 0.33 mm. The results of road performance showed that the British Pendulum Number of the pavement coated with waterborne luminescent paint was 88 BPN. The interfacial adhesion of coating-pavement could reach 2.72 MPa. The non-stick tire drying time was 10 min, and the afterglow time was 12.5 h. Soaking in water at 15 ℃ for 24 h, the appea-rance of the marking film was normal, which can meet the performance requirements of pavement marking. However, the long-term high tempe-rature of 80 ℃ or the weak alkali environment at normal temperature will cause certain damage to the luminescence performance of coatings. Ho-wever, long-term high temperature of 80 ℃ or a weak alkali environment will cause certain damage to the luminescent properties of coatings. The research provides technical references for the development of long afterglow pavement marking paint.
通讯作者:
* 裴建中,长安大学公路学院教授、博士研究生导师。2004年获长安大学道路与铁工程博士学位。目前主要从事沥青路面结构与材料的基础理论及工程应用研究。发表论文100余篇,包括Journal of Cleaner Production、Construction and Building Materials、Journal of Materials in Civil Engineering、《中国公路学报》《材料导报》等。jianzhongpei@163.com
作者简介: 赵晓康,长安大学公路学院讲师、硕士研究生导师。2022年东南大学交通运输工程专业博士毕业,现任职于长安大学公路学院。目前主要从事耐久性路面与机场道面材料等方面的研究工作。发表论文20余篇,包括Construction and Building Materials、Road Materials and Pavement Design、International Journal of Pavement Engineering、Journal of Cleaner Production、《中国公路学报》《中南大学学报》《东南大学学报》《哈尔滨工业大学学报》《吉林大学学报》等。
引用本文:
赵晓康, 张久鹏, 胡勤石, 裴建中, 程科, 张柳. 长余辉水性道面标线涂料的制备与路用性能[J]. 材料导报, 2024, 38(15): 23020088-7.
ZHAO Xiaokang, ZHANG Jiupeng, HU Qinshi, PEI Jianzhong, CHENG Ke, ZHANG Liu. Preparation and Pavement Performance of Long Afterglow Waterborne Marking Paint. Materials Reports, 2024, 38(15): 23020088-7.
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2024, Vol. 38 
