摘要
结合3因素3水平的正交试验技术,采用单面毛细吸水法研究水灰比(W/C)、CNT(碳纳米管)掺量(w_(CNT))、硅烷防水剂掺量(w_(KH55))对硅烷防水剂(KH55)内掺改性CNT/水泥基材料(KH/CNT/CC)防水性能的影响。正交极差分析得出,KH/CNT/CC在W/C=0.32,w_(CNT)=0.2%,w_(KH55)=0.5%时吸水质量最小,防水性能最佳。w_(KH55)=0.5%∶w_(KH55)=0.1%时KH/CNT/CC的96h吸水质量降低了170.1g/m^2,KH55的掺入有效地提高了CNT/水泥基材料的防水性能,这为发展一种防水性能良好的本征传感器提供了参考。
The orthogonal experiment technique with three factors and three levels was integrated,the effects of water-cement ratio （W/C）,the loading of carbon nanotube （WCNT）, the addition of silane waterproofing agent （ωKH55） on the waterproof performances of CNT cement-based materials modified by doped silane waterproofing agent （KH/CNT/CC） were studied by single-surface capillary absorption method. Orthogonal range analysis revealed that when was W/C= 0. 32, WeNT = 0. 2 0/00,ωKH55 = 0. 5 0%, the mass of water absorption of specimen was the minimum, and the water resistance was the best. The absorbed water mass of K H/CNT/CC with WKH55 = 0. 5 % after 96h was decreased by 170. 1 g/m^2 when compared with the case with ωKH55 = 0. 1%. The incorporation of silane improved effectively the impermeability of composite. This will provide a reference for the development of the intrinsic sensors with excellent waterproof performance.
出处
《化工新型材料》
CAS
CSCD
北大核心
2016年第2期222-225,共4页
New Chemical Materials
基金
国家自然科学基金(51208272)
山东省优秀中青年科学家科研奖励基金项目(BS2013CL017)
山东省高校优秀科研创新团队计划资助
关键词
硅烷防水剂
碳纳米管
水泥基复合材料
正交试验
防水性能
silane waterproofing agent, carbon nanotube, cement-based composite, ortbogonal experiment,impermeability
