铝酸锶长余辉发光材料在交通标线中的应用研究进展  

Research progress in application of strontium aluminate long afterglow luminescent materials in road markings

作　　者：何锐[1] 梁映平 解瑞松 鲁孝松 耿九光[1] HE Rui;LIANG Ying-ping;XIE Rui-song;LU Xiao-song;GENG Jiu-guang(School of Materials Science and Engineering,Chang’an University,Xi'an 710061,Shaanxi,China;Shaanxi Communications Holding Group Co,.Ltd,Xi'an 710065,Shaanxi,China)

机构地区：[1]长安大学材料科学与工程学院,陕西西安710061 [2]陕西交通控股集团有限公司,陕西西安710065

出　　处：《长安大学学报（自然科学版）》2022年第3期1-13,共13页Journal of Chang’an University(Natural Science Edition)

基　　金：陕西省交通科研项目(19-21K,20-41K);陕西省创新人才推进计划项目(2020KJXX-043)。

摘　　要：为促进长余辉发光材料在交通标线中的应用与研究,进一步提高交通标线雨夜视认性,梳理了国内外现有研究与应用成果,阐述了长余辉发光材料的分类及发光机理,总结其制备方法,并探讨了交通标线中掺杂稀土元素铕、镝的铝酸锶(SrAl_(2)O_(4):Eu^(2+),Dy^(+))发光材料关键性能评价方法,为进一步完善其技术标准奠定基础。针对SrAl_(2)O_(4):Eu^(2+),Dy^(+)发光材料存在易水解、有机相容性差等问题,探讨了表面改性技术和配方优化对提高其耐水性和有机相容性的效果。结果表明:交通标线中的长余辉发光材料主要包括硫化物、铝酸盐和硅酸盐系列,其中SrAl_(2)O_(4):Eu^(2+),Dy^(+)具有余辉时间长、余辉强度高等优点,在交通标线中运用最广泛;当该类长余辉发光材料掺量(质量分数)在30%~40%,粒径在25~48μm时,其在交通标线中的使用效果最佳;复合表面改性技术能同时提高铝酸锶发光材料的耐水性和有机相容性。In order to promote the application and research of long afterglow luminescent materials in road markings,and improve the visibility of road markings in rainy night,the existing research and application results at home and abroad were combed.And the classification and luminescence mechanism of long afterglow luminescent materials were described.In addition,the preparation methods of long afterglow luminescent materials were summarized.Then,the key performance evaluation methods of strontium aluminate(SrAl_(2)O_(4):Eu^(2+),Dy^(+))luminescent materials doped with rare earth elements Europium and Dy^(+)in road markings were discussed,laying a foundation for further improving its technical standards.In view of the problems of easy hydrolysis and poor organic compatibility of SrAl_(2)O_(3):Eu^(2+),Dy^(+)luminescent materials,the effects of surface modification technology and formula optimization on improving their water resistance and organic compatibility were discussed.The results show that it is found that the long afterglow luminescent materials in road markings mainly include sulfide,aluminate and silicate series.Among them,SrAl_(2)O_(4):Eu^(2+),Dy^(+)has the advantages of long afterglow time and high afterglow intensity,and is the most widely used in road markings.When the mass content of this type of long afterglow luminescent material is 30 to 40%and the particle size in range of 25 to 48μm the use effect in road marking is the best.It is an effective means of water resistance and organic compatibility,in which the composite modification technology can simultaneously improve the water resistance and organic compatibility of the strontium aluminate luminescent material.6 tabs,5 figs,51 refs.

关 键 词：道路工程 交通标线 铝酸锶 长余辉 发光材料 发光机理 性能评价 表面改性 

分 类 号：U491.523[交通运输工程—交通运输规划与管理]