摘要
通过流动度、可建造性和可打印时间测试,研究了玄武岩纤维、聚氨酯协同改性对低碳固废源地聚合物阻隔屏障材料3D打印性能的影响规律。结果表明,在玄武岩纤维掺量为0~0.8%、聚氨酯掺量为0~8%条件下,玄武岩纤维和聚氨酯协同改性不会显著影响打印材料的流动度,改性打印材料流动度处于170 mm~190 mm;打印结构的横向变形指标、垂向变形指标均可以有效表征打印材料可建造性,且玄武岩纤维(<0.6%)和聚氨酯(<6%)协同改性对打印材料的可建造性影响微弱;聚氨酯改性可延长打印材料的可打印时间,当聚氨酯掺量为6%时,可打印时间最长。
The influence of the synergistic modification of basalt fiber and polyurethane on the 3D printing performance of low-carbon solid waste-derived geopolymer barrier material was investigated by testing fluidity,buildability and printable time.The results indicated that the synergistic modification of adding 0 to O.8%basalt fiber and 0 to 8%polyurethane did not significantly affect the fluidity of the printable geopolymer,which ranged from 170 mm to 190 mm.Both the lateral and vertical deformation indicators of the printed structure could effectively characterize the buildability of the printable geopolymer,and the synergistic modification of basalt fiber(<0.6%)and polyurethane(<6%)had a weak effect on the buildability of the printable geopolymer.Polyurethane modified printing geopolymer could extend the printing time,and the longest printing time could be achieved when the amount of polyurethane added was 6%.
作者
冯亚松
王水
李梦雅
尹芝华
吕宗祥
FENG Yasong;WANG Shui;LI Mengya;YIN Zhihua;LYU Zongxiang(Jiangsu Provincial Key Laboratory of Environmental Engineering,Jiangsu Provincial Academy of Environmental Science,Nanjing,Jiangsu 210036,China;Jiangsu Provincial Engineering Research Centre of Soil and Groundwater Pollution Prevention and Control,Nanjing,Jiangsu 210036,China)
出处
《环境监测管理与技术》
北大核心
2025年第6期67-71,82,共6页
The Administration and Technique of Environmental Monitoring
基金
国家重点研发计划基金资助项目(2022YFC3702500)
江苏省环境工程重点实验室自主课题基金资助项目(ZX2023003)
中国博士后科学基金资助项目(2022M711397,2024T170359)。
关键词
地聚合物
阻隔屏障
3D打印
低碳材料
打印性能
Geopolymer
Barrier
3D printing
Low-carbon material
Printing performance
