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Abstract <p>The formation of a biostable protective coating based on acetate complexes of Mn(II) with 1,10-phenanthroline on a wood surface is described. The synthesis of acetate mono-, bis- and tris-chelate complexes of Mn(II) with 1,10-phenanthroline is described, and they are studied using IR spectroscopy and thermogravimetry. For acetate complexes of Mn(II) with 1,10-phenanthroline, their fungistatic activity in relation to Ulocladium sp. fungi is studied. The physical and mechanical properties of new transparent protective coatings on wood, which contain these compounds as active biocidal components, are studied. The transparent protective coatings are two-layer systems with a primary impregnation layer of an active biocidal component—acetate 1,10-phenanthroline complexes of Mn(II)— applied to the wood surface, followed by a second protective layer of organosilicon varnish KO-921 based on polymethylphenylsiloxane resin. The results of atmospheric weather tests of wood samples (pine sapwood) with the applied transparent protective coatings are presented in terms of their ability to prevent biodegradation of wood in the conditions of the tropical savanna climate of the Joint Russian–Vietnamese Tropical Research and Technology Center (Russian–Vietnamese Tropical Center).</p>

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Formation of Transparent Protective Coatings Based on Mn(II) Biocidal Complexes on a Wood Surface

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • V. N. Demidov,
  • I. N. Tsvetkova,
  • Chi Van Nguyen,
  • V. I. Voshchikov,
  • Ya. A. Khamidulin,
  • E. V. Bogomolova,
  • T. B. Pakhomova,
  • O. A. Shilova

摘要

Abstract

The formation of a biostable protective coating based on acetate complexes of Mn(II) with 1,10-phenanthroline on a wood surface is described. The synthesis of acetate mono-, bis- and tris-chelate complexes of Mn(II) with 1,10-phenanthroline is described, and they are studied using IR spectroscopy and thermogravimetry. For acetate complexes of Mn(II) with 1,10-phenanthroline, their fungistatic activity in relation to Ulocladium sp. fungi is studied. The physical and mechanical properties of new transparent protective coatings on wood, which contain these compounds as active biocidal components, are studied. The transparent protective coatings are two-layer systems with a primary impregnation layer of an active biocidal component—acetate 1,10-phenanthroline complexes of Mn(II)— applied to the wood surface, followed by a second protective layer of organosilicon varnish KO-921 based on polymethylphenylsiloxane resin. The results of atmospheric weather tests of wood samples (pine sapwood) with the applied transparent protective coatings are presented in terms of their ability to prevent biodegradation of wood in the conditions of the tropical savanna climate of the Joint Russian–Vietnamese Tropical Research and Technology Center (Russian–Vietnamese Tropical Center).