Effect of sol–gel hydrophobicity on the distribution and structure of different proteins in organically modified sol–gel thin films

Jürgen-Lohmann, Dominik L.; Nacke, Christoph; Simon, Leonardo C.; Legge, Raymond L.

doi:10.1007/s10971-009-2046-7

Cited by 4 publications

(2 citation statements)

References 22 publications

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“…As is expected, the hybrid coating (Sample III) shows the lowest contact angle of a water droplet (98 ± 2°) due to its flat surface. However, it is still higher than the pure silica coating (74 ± 3°) . In previous studies, it was demonstrated that the precursors of silica coatings were usually hydrophilic, and became wet under the conditions of atmospheric moisture and water .…”

Section: Resultsmentioning

confidence: 94%

“…The hydroxyl groups present on the hydrophilic silica coating surface are the major sources of hydrophilicity as they promote the adsorption of water. Terminal hydroxyl groups which can interact with water, lead to deterioration of the silica network . Therefore, with appropriate surface chemical modification, e.g., some of the silanol groups on the hybrid coating surface are replaced by epoxy groups, the surface can be rendered hydrophobic so that the water molecule will be repelled.…”

Section: Resultsmentioning

confidence: 99%

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Study the factors affecting the performance of organic–inorganic hybrid coatings

Dong

Xing

et al. 2014

J of Applied Polymer Sci

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In this article, a series of hybrid organic–inorganic coatings based on silica‐epoxy composite resins were prepared with the sol‐gel method by using γ‐aminopropyl triethoxysilane as a coupling agent. Especially, the research emphasized on the factors that influenced on the properties of the prepared hybrid coatings. Firstly, epoxy resin was reacted with γ‐aminopropyl triethoxysilane at a specific feeding molar ratio; subsequently, the asprepared sol–gel precursor was cohydrolyzed with tetraethoxysilane (TEOS) at various contents to afford chemical bondings to form silica networks and give a series of organic–inorganic hybrid coatings. They were loaded and cured on steel panels and characterized for FTIR, TGA, DSC, water contact angles (WCA), pencil hardness, surface & three‐dimensional morphological studies, and potentiodynamic polarization tests. The surfaces of the hybrid coatings showed Sea‐Island or Inverting Sea‐Island morphologies at a certain relative content of two components, which made the coatings possess hydrophobic property. Due to the contribution of organic and inorganic components, the prepared hybrid coatings possess a lot of properties such as pencil hardness, thermotolerance, and corrosion resistance. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 41010.

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Section: Resultsmentioning

confidence: 94%

Section: Resultsmentioning

confidence: 99%