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Abstract <p>The influence of fillers (sodium hydrocarbonate NaHCO<sub>3</sub> and high-molecular-weight chitosan) on the adhesion properties of the coating based on low-molecular-weight SKTN-A rubber (siloxane) formed on the Ti–23Nb–5Zr (at %) alloy for medical use is studied. Sodium hydrocarbonate is introduced with subsequent removal to form a porous structure of the coating. The rupture and shear tests show a high adhesive strength of the coating of unmodified siloxane exceeding the strength of the coating itself. The coatings formed using NaHCO<sub>3</sub> and high-molecular-weight chitosan undergo spallation under shear conditions and delamination in rupture tests.</p>

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Influence of Fillers on the Adhesion Properties of Siloxane Coatings on a Ti–23Nb–5Zr Alloy for Medical Use

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • A. A. Mel’nikova,
  • A. S. Baikin,
  • E. O. Nasakina,
  • M. A. Sudarchikova,
  • M. A. Kaplan,
  • K. V. Sergienko,
  • S. V. Konushkin,
  • M. A. Sevost’yanov,
  • A. G. Kolmakov

摘要

Abstract

The influence of fillers (sodium hydrocarbonate NaHCO3 and high-molecular-weight chitosan) on the adhesion properties of the coating based on low-molecular-weight SKTN-A rubber (siloxane) formed on the Ti–23Nb–5Zr (at %) alloy for medical use is studied. Sodium hydrocarbonate is introduced with subsequent removal to form a porous structure of the coating. The rupture and shear tests show a high adhesive strength of the coating of unmodified siloxane exceeding the strength of the coating itself. The coatings formed using NaHCO3 and high-molecular-weight chitosan undergo spallation under shear conditions and delamination in rupture tests.