Abstract
Fluoroalkyl end-capped acrylic acid oligomer/silica nanocomposites were prepared by reaction of the corresponding oligomer with silica nanoparticles in the presence of alkaline silicate in water. Fluorinated oligomer/silica nanocomposites thus obtained are nanometer size-controlled fine particles (48–67 nm) and were found to exhibit a good dispersibility in their aqueous solutions, although the silica composites, which were prepared in the absence of oligomer, afforded submicrometer size-controlled particles (197 nm). These fluoroalkyl end-capped oligomer/silica nanocomposites were applied to the surface modification of aluminum plate. Interestingly, the modified plate surface exhibits a strong oleophobicity imparted by fluorine. On the other hand, this modified plate surface was found to exhibit a good hydrophilicity related to the presence of carboxyl groups in composites when the environment is changed from air to water on the surface.
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Kakehi, H., Muira, M., Isu, N. et al. Surface Modification of Aluminum Plate with Fluoroalkyl End-capped Acrylic Acid Oligomer/silica Nanocomposites— Oleophobic to Hydrophilic Switching Behavior Adapted to the Environmental Change on the Modified Plate Surface. Polym J 40, 1081–1086 (2008). https://doi.org/10.1295/polymj.PJ2008125
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DOI: https://doi.org/10.1295/polymj.PJ2008125