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Preparation of Super-Water-Repellent Fluorinated Inorganic-Organic Coating Films on Nylon 66 by the Sol-Gel Method Using Microphase Separation

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Abstract

We have prepared super-water-repellent fluorinated inorganic-organic coating films on nylon 66 substrate from poly(methyl methacrylate) (PMMA), tetraethoxysilane (TEOS), and 2-perfluorooctylethyltriethoxysilane (17F) by the sol-gel method. The contact angle for water of the film was 149°. The fluorinated inorganic-organic film including PMMA particles exhibits the super-water-repellence on nylon 66 and the high ultrasonics-resistance in spite of the low 17F content of the molar ratio of 0.001 per mol of TEOS. The surfaces of the films were characterized by using XPS and SEM in combination with the surface roughness data. It was considered that the fluorinated component was segregated to form separated microphase regions, appropriate surface roughness being resulted to develop high water-repellence.

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Authors and Affiliations

  1. Department of Applied Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuencho, Sakai, Osaka, 599-8531, Japan

    K. Satoh & H. Nakazumi

  2. R&D Dept. No. 2 Chemical Div, Daikin Industries, Ltd., 1-1 Nishihitotsuya, Settsu, Osaka o[566-8585, Japan

    M. Morita

Authors
  1. K. Satoh
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  2. H. Nakazumi
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  3. M. Morita
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Satoh, K., Nakazumi, H. & Morita, M. Preparation of Super-Water-Repellent Fluorinated Inorganic-Organic Coating Films on Nylon 66 by the Sol-Gel Method Using Microphase Separation. Journal of Sol-Gel Science and Technology 27, 327–332 (2003). https://doi.org/10.1023/A:1024025104733

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  • DOI: https://doi.org/10.1023/A:1024025104733

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