外加剂改性氯氧镁水泥研究进展

摘要/Abstract

摘要： 氯氧镁水泥具有高强度、强黏合力、耐磨、抗冲击、低碱性及低腐蚀性等优点,作为无机胶黏剂和胶凝材料已在包括木材加工在内的众多行业中应用。但氯氧镁水泥的耐水性差,严重影响了其规模化应用与推广。在保证氯氧镁水泥力学性能的条件下,如何提高其耐水性成为氯氧镁水泥的研究热点。本文综述了近年来国内外在提高氯氧镁水泥耐水性方面的研究进展,重点总结了不同外加剂应用于氯氧镁水泥改性的方法及作用机理。并对氯氧镁水泥在人造板等领域的发展前景进行了展望,以期为高性能氯氧镁水泥的开发和应用提供理论与技术指导。

关键词: 氯氧镁水泥, 无机胶黏剂, 外加剂, 耐水性, 力学性能, 改性机理

Abstract: Magnesium oxychloride cement (MOC) has many advantages, such as high strength, strong adhesion, wear resistance, impact resistance, low alkalinity and low corrosion, and so on. As a kind of inorganic adhesive and cementitious material, it has been widely used in many industries including wood processing. However, the poor water resistance of MOC seriously affects its large-scale application and industrialization. Therefore, how to improve the MOC water resistance under the condition of ensuring the mechanical property has become a hot topic in the MOC research field. In this paper, the recent progress on the improvements of MOC water resistance both at domestic and abroad was reviewed, anddifferent modification methods of distinct admixtures were emphatically summarized, as well as its mechanism. Finally, the prospects of MOC in wood industry and other application fields were discussed, which would provide theoretical and technical guidance in the development of high-performance MOC.

Key words: magnesium oxychloride cement, inorganic adhesive, admixture, water resistance, mechanical property, modification mechanism

中图分类号:

TQ172.7

葛梦龙, 叶倩倩, 康海娇, 李建章. 外加剂改性氯氧镁水泥研究进展[J]. 硅酸盐通报, 2022, 41(4): 1202-1210.

GE Menglong, YE Qianqian, KANG Haijiao, LI Jianzhang. Research Progress of Admixture-Modified Magnesium Oxychloride Cement[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(4): 1202-1210.

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