含有多壁碳纳米管（MWCNT）的氧氯化镁水泥 （MOC）复合材料的建筑应用

Milena Lojka, Anna Sedmid, Adam Zaleska
捷克共和国化学技术学院

摘要

在这篇论文中，作者制备了基于氧氯化镁水泥（MOC）和作为添加剂的多壁碳纳米管（MWCNTs）的复
合材料，并对其进行了表征。所制备的复合材料含有 0.5和 1wt.%的MWCNTs，这些样品与纯MOC第 5阶段参照物
进行了比较。本研究使用广泛的分析方法对复合材料进行了表征，以确定其相和化学成分、形态和热行为。此外，
复合材料的基本结构参数、孔径分布、机械强度、刚度和老化 14天后的湿热性能也是研究对象。掺有MWCNT的复
合材料显示出高密实度，增加了机械阻力、刚度和耐水性，这对于它们在建筑行业的应用以及未来用于设计和开发
替代性建筑产品至关重要。

关键词

复合材料；氧氯化镁水泥；多壁碳纳米管（MWCNT）

参考

[1]Christensen AN, Norby P, Hanson JC. Chemical

reactions in the system MgO-MgCl2 -H2O followed by timeresolved synchrotron X-ray powder diffraction. J. Solid State

Chem. 1995; 114: 556–559.

[2]Matkovic B, Popovic S, Rogic V, et al. Reaction

products in magnesium oxychloride cement pastes. System

MgO-MgCl2 -H2O. J. Am. Ceram. Soc. 1977; 60: 504–507.

[3]Dinnebier RE, Freyer D, Bette S, et al. 9Mg(OH)2

·MgCl2 ·4H2O, a high temperature phase of the magnesia

binder system. Inorg. Chem. 2010; 49: 9770–9776.

[4]Dinnebier RE, Oestreich M, Bette S, et al. 2Mg(OH)2

·MgCl2 ·2H2O and 2Mg(OH)2 ·MgCl2 ·4H2O, two high

temperature phases of the magnesia cement system. Z. Anorg.

Allg. Chem. 2012; 638: 628–633.

[5]Pannach M, Bette S, Freyer D. Solubility equilibria in

the system MgO-MgCl2 -H2O from 298 to 393 K. J. Chem.

Eng. Data 2017; 62: 1384–1396.

[6]Montle JF, Mayhan KG. The role of magnesium

oxychloride as a fire-resistive material. Fire Technol. 1974;

10: 201–210.

[7]Xu B, Ma H, Hu C, et al. Influence of curing regimes

on mechanical properties of magnesium oxychloride cementbased composites. Constr. Build. Mater. 2016; 102: 613–619.

[8]Beaudoin JJ, Ramachandran VS. Strength development

in magnesium oxychloride and other cements. Cem. Concr.

Res. 1975; 5: 617–630.

[9]Qiao H, Cheng Q, Jinlei W, et al. The application

review of magnesium oxychloride cement. J. Chem. Pharm.

Res. 2014; 6: 180–185.

[10]Wang Y, Wei L, Yu J, et al. Mechanical properties of

high ductile magnesium oxychloride cement-based composites

after water soaking. Cem. Concr. Compos. 2019; 97: 248–258.