Cycloaliphatic Epoxy Matrix in the Development of Anticorrosive Coatings Containing Various Modifying Additives

N. K. Golubeva; Голубева Н. К.; Yu. A. Kondratenko; Кондратенко Ю. А.; A. G. Ivanova; Иванова А. Г.; V. L. Ugolkov; Уголков В. Л.; O. A. Zagrebel’nyi; Загребельный О. А.; T. A. Kochina; Кочина Т. А.

doi:10.31857/S0044185623700262

Cycloaliphatic Epoxy Matrix in the Development of Anticorrosive Coatings Containing Various Modifying Additives

Authors: Golubeva N.K.¹^,2, Kondratenko Y.A.¹, Ivanova A.G.¹, Ugolkov V.L.¹, Zagrebel’nyi O.A.¹, Kochina T.A.¹
Affiliations:
1. Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, 199034, St. Petersburg, Russia
2. St. Petersburg State Technological Institute (Technical University), 190013, St. Petersburg, Russia
Issue: Vol 59, No 2 (2023)
Pages: 211-220
Section: ФИЗИКО-ХИМИЧЕСКИЕ ПРОБЛЕМЫ ЗАЩИТЫ МАТЕРИАЛОВ
URL: https://journals.rcsi.science/0044-1856/article/view/134350
DOI: https://doi.org/10.31857/S0044185623700262
EDN: https://elibrary.ru/SZMAIW
ID: 134350

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Abstract

The effect of the hardening conditions and the nature of the filler and the organic modifier on the physical and mechanical properties of coatings based on a cycloaliphatic epoxy matrix filled with muscovite mica and TiO2 has been studied. The dependence of the values of hardness and the wetting angle on the amount of polyetheramine hardener (20–50 wt %) has been presented. The effect of the nature of the hardener and additives of ground granite and SiO2 microspheres on the values of hardness, adhesion, and impact and bending strengths of the epoxy coating has been studied. Four optimal compositions of epoxy coatings for the study of thermal stability and anticorrosive properties have been determined. It has been shown that coatings containing oligoethoxysiloxanes as organic modifiers are characterized by low degree of corrosion protection.

Keywords

cycloaliphatic epoxy resin, anticorrosive coatings, SiO2 microspheres, granite, epoxy rubber, oligoethoxysiloxanes, hydrophilic coatings

References

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