Scholarlink

<p>Coatings with low surface energy can be promising in various fields of science and technology. It is well known that to achieve low surface energy, it is usually enough to form thin layer or even monolayer of hydrophobic compound on the surface of the coating. On the other hand, to increase stability, such monolayers should be covalently bonded with the surface. In this work, we have shown the possibility of the use of Piers–Rubinsztajn reaction for grafting of oligoorganosiloxane hydrophobic monolayer on the surface of phenol-formaldehyde, alkyd, and epoxy coating, most used in the paint and varnish industry. The organosilicon monolayers were studied by XPS, ellipsometry, and contact angle measurements. Additionally, coatings with grafted organosilicon monolayers were studied for the static effects of water. It was shown that the formed organosilicon monolayers exhibit good hydrophobic efficiency, with an&#xa0;increase in contact angle from 75° to 116° for phenol-formaldehyde coatings, from 82° to 107° for alkyd coatings, and&#xa0;from 84° to 100° for epoxy coatings.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Surface grafting of polymeric coatings with SiH-terminated oligoorganosiloxanes

  • 期刊论文

  • 发表日期：

    2025年6月6日

查看全文
  • Svetlana A. Konsurova,
  • Alexander D. Ageenkov,
  • Ekaterina A. Zheludkova,
  • Alexey A. Abrashov,
  • Oleg A. Raitman,
  • Anna A. Shcherbina,
  • Mikhail A. Soldatov

摘要

Coatings with low surface energy can be promising in various fields of science and technology. It is well known that to achieve low surface energy, it is usually enough to form thin layer or even monolayer of hydrophobic compound on the surface of the coating. On the other hand, to increase stability, such monolayers should be covalently bonded with the surface. In this work, we have shown the possibility of the use of Piers–Rubinsztajn reaction for grafting of oligoorganosiloxane hydrophobic monolayer on the surface of phenol-formaldehyde, alkyd, and epoxy coating, most used in the paint and varnish industry. The organosilicon monolayers were studied by XPS, ellipsometry, and contact angle measurements. Additionally, coatings with grafted organosilicon monolayers were studied for the static effects of water. It was shown that the formed organosilicon monolayers exhibit good hydrophobic efficiency, with an increase in contact angle from 75° to 116° for phenol-formaldehyde coatings, from 82° to 107° for alkyd coatings, and from 84° to 100° for epoxy coatings.