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<p>A new hybrid material was created by chemical modification of carboxylated nanocellulose and tetraethoxysilane. According to FTIR spectroscopy and electron microscopy data, tetraethoxysilane reacts with hydroxyl groups of cellulose located on the surface of nanofibers/nanoparticles. It is important to note that the carboxyl groups are retained and can participate in ion exchange reactions. The obtained hybrid material demonstrates a number of valuable properties: it has a large adsorption capacity, it is stable in a wide temperature range and has good performance characteristics. Thus, this hybrid material is a promising candidate for application in systems of fresh water purification from various pollutants.</p>

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Silylation of Carboxylated Nanocellulose

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • M. A. Rakitina,
  • K. A. Gumenuk,
  • P. S. Touzakov,
  • K. A. Cherednichenko,
  • K. V. Novikov,
  • V. A. Vinokurov

摘要

A new hybrid material was created by chemical modification of carboxylated nanocellulose and tetraethoxysilane. According to FTIR spectroscopy and electron microscopy data, tetraethoxysilane reacts with hydroxyl groups of cellulose located on the surface of nanofibers/nanoparticles. It is important to note that the carboxyl groups are retained and can participate in ion exchange reactions. The obtained hybrid material demonstrates a number of valuable properties: it has a large adsorption capacity, it is stable in a wide temperature range and has good performance characteristics. Thus, this hybrid material is a promising candidate for application in systems of fresh water purification from various pollutants.