Properties of Compositions Based on Cement and Modified Nanodispersed Titanium Dioxide

被引：5
|
作者：
Tyukavkina V.V. [1 ]
Gerasimova L.G. [1 ]
Semushin V.V. [1 ]
机构：
[1] Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials,Kola Science Center, Russian Academy of Sciences, Apatity
来源：
Inorganic Materials: Applied Research | 2019年 / 10卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
anatase; cement stone; environmental problems; modifiers; photocatalysis; photochemical activity; surface-active substance (SAS); titanium dioxide; ultrasonic dispersion;
D O I：
10.1134/S2075113319010350
中图分类号：
学科分类号：
摘要：
Abstract: The influence of titanium dioxide powders obtained from the waste sorbent produced when discharges with nonferrous heavy metals are purified on the main technical properties and processes of structure formation of Portland cement stone was studied. It is shown that titanium dioxide modified with nanodispersed powder added to the cement composition plays the role of a modifier accelerating processes of hydration and hardening of cement. In the presence of titanium dioxide, the cement stone acquires the capability of self-purification owing to photocatalytic activity of the introduced additive. © 2019, Pleiades Publishing, Ltd.
引用
收藏
页码：122 / 126
页数：4
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