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Preparation of nanosized powders of calcium hydrosilicates for the use in composite materials

  • Technology of Inorganic Substances and Materials
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Abstract

Nanosized powders of calcium hydrosilicates with a high granulometric uniformity have been synthesized from water-soluble calcium- and silicon-containing raw materials in the presence of structure-forming agents using the sol-gel method. The possibility of their application as the main components in the manufacture of acrylic paints has been demonstrated. The process of the formation of CaSiO3/TiO2 composite nanoparticles using freshly precipitated calcium hydrosilicate gel using the extraction-pyrolysis method has been investigated. A method of preparing composite titanium pigments based on calcium silicates has been elaborated and the possibility of using them in paint compositions as a substitute for titanium dioxide has been found out. A method of producing a white water-dispersion acrylic paint based on synthetic calcium hydro-silicates in the form of pastes of high humidity from calcium chloride and liquid glass has been developed.

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Correspondence to A. I. Khol’kin.

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Original Russian Text © L.V. Akat’eva, V.K. Ivanov, V.D. Gladun, A.I. Khol’kin, 2013, published in Khimicheskaya Tekhnologiya, 2013, Vol. 14, No. 4, pp. 199–209.

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Akat’eva, L.V., Ivanov, V.K., Gladun, V.D. et al. Preparation of nanosized powders of calcium hydrosilicates for the use in composite materials. Theor Found Chem Eng 48, 468–476 (2014). https://doi.org/10.1134/S0040579514040034

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  • DOI: https://doi.org/10.1134/S0040579514040034

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