两种耐水处理长余辉材料制备发光混凝土的性能对比研究

硅酸盐通报 ›› 2024, Vol. 43 ›› Issue (3): 781-792.

所属专题：水泥混凝土

• 水泥混凝土 • 下一篇

两种耐水处理长余辉材料制备发光混凝土的性能对比研究

吕亚军¹, 宋彩红¹, 党钧陶², 董宾宾³, 乔敏⁴, 张康捷¹, 马肖峰^1,5

1.华北水利水电大学建筑学院,郑州 450046;
2.华北水利水电大学土木与交通学院,郑州 450045;
3.洛阳理工学院材料科学与工程学院,洛阳 471023;
4.江苏苏博特新材料股份有限公司,南京 211103;
5.河南省纺织建筑设计院有限公司,郑州 450007

收稿日期:2023-10-08 修订日期:2023-11-29 出版日期:2024-03-15 发布日期:2024-03-27
通信作者: 马肖峰,高级工程师。E-mail:S2105191006@163.com
作者简介:吕亚军(1978—),男,博士,副教授。主要从事建筑节能材料、新型土木水利材料方面的研究。E-mail:lvyajun@ncwu.edu.cn
基金资助:
国家自然科学基金面上项目(51979169)

Comparative Study on Performance of Two Water Resistant Long Afterglow Materials for Preparing Luminescent Concrete

LYU Yajun¹, SONG Caihong¹, DANG Juntao², DONG Binbin³, QIAO Min⁴, ZHANG Kangjie¹, MA Xiaofeng^1,5

1. School of Architecture, North China University of Water Resources and Electric Power, Zhengzhou 450046, China;
2. School of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450045, China;
3. School of Materials Science and Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China;
4. Jiangsu Subote New Materials Corporation Ltd., Nanjing 211103, China;
5. Henan Textile Architecture Design Institute Corporation Ltd., Zhengzhou 450007, China

Received:2023-10-08 Revised:2023-11-29 Online:2024-03-15 Published:2024-03-27

摘要/Abstract

摘要： 荧光粉的水解不稳定性会降低发光混凝土的力学强度和发光性能。本研究采用SiO₂包覆和疏水处理两种方法对长余辉荧光粉进行耐水处理并制备发光混凝土,对掺入不同耐水处理的荧光粉制备的发光混凝土进行抗压强度、发光性能和微观形态测试,揭示荧光粉对发光混凝土性能改善的作用机理。结果表明:与SiO₂包裹法处理相比,疏水处理荧光粉能够获得更优异的耐水性能;与SiO₂包裹法处理相比,疏水处理荧光粉发光混凝土28 d抗压强度提高了8.0%~25.7%,强度最高达80.2 MPa,最佳掺量为5%~10%(质量分数),过量添加则会产生不利影响;与未耐水处理荧光粉的发光混凝土相比,两种耐水处理荧光粉发光混凝土的微观结构密实度、抗压强度和发光性能均显著提高。

关键词: 长余辉荧光粉, 自发光水泥基材料, 表面改性, 耐水性, 发光性能, 微观结构

Abstract: The hydrolytic instability of fluorescent powder can diminish luminescent concrete's mechanical strength and luminescent performance. This study used two methods, SiO₂ coating and hydrophobic treatment, to treat long afterglow fluorescent powder with water resistance and prepare luminescent concrete. The compressive strength, luminescent performance and microstructure of luminescent concrete prepared by adding fluorescent powder with different water resistance treatments were tested to reveal the mechanism of improving the performance of luminescent concrete by fluorescent powder. The results show that, compared to the SiO₂ encapsulation method, the hydrophobic treatment of fluorescent powder achieves superior water resistance performance. And the 28 d compressive strength of hydrophobic treated fluorescent powder luminescent concrete has increased by 8.0%~25.7%, with a maximum strength of 80.2 MPa and an optimal dosage of 5%~10% (mass fraction). Excessive addition will have adverse effects. Compared with the luminescent concrete without water-resistant fluorescent powder, the microstructure density, compressive strength and luminescent performance of the two types of water-resistant fluorescent powder luminescent concrete are significantly improved.

Key words: afterglow fluorescent powder, self luminescent cement-based material, surface modification, water resistance, luminescent performance, microstructure

中图分类号:

TU528

吕亚军, 宋彩红, 党钧陶, 董宾宾, 乔敏, 张康捷, 马肖峰. 两种耐水处理长余辉材料制备发光混凝土的性能对比研究[J]. 硅酸盐通报, 2024, 43(3): 781-792.

LYU Yajun, SONG Caihong, DANG Juntao, DONG Binbin, QIAO Min, ZHANG Kangjie, MA Xiaofeng. Comparative Study on Performance of Two Water Resistant Long Afterglow Materials for Preparing Luminescent Concrete[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2024, 43(3): 781-792.

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两种耐水处理长余辉材料制备发光混凝土的性能对比研究

Comparative Study on Performance of Two Water Resistant Long Afterglow Materials for Preparing Luminescent Concrete

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