塗装アルミニウム板のシリコーン系シーリング材による汚染状態の解析 Analysis of Stains on Surface of Polymer-coated Aluminum Panel Caused by Silicone Sealing Compounds

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To evaluate how the polymer-coated aluminum panel is stained under the influence of silicone sealing compounds, an outdoor exposure test was carried out using test pieces consisting of an inclined roof and vertical wall. Patterns and extents of stains were analyzed referring to the hydrophilic/hydrophobic surface properties.<br>Results are as follows<br>1) The outdoor exposure test caused dark linear stains on the surface observable on the aluminum exterior of ordinary buildings.<br>2) A dark linear stain appeared in 1 month, and the difference in shape of stains between coating types was not conspicuous.<br>3) At the lower part of the sealing compound, the contact angle of water droplets became large, showing the increased surface hydrophobicity. This is caused by a material oozed out from the sealing compound.<br>4) Once the contact angle became large, the surface maintained its hydrophobic property despite repeated water rinsing, making it soon become dirty again after cleaning.

収録刊行物

  • 表面技術 = The Journal of the Surface Finishing Society of Japan  

    表面技術 = The Journal of the Surface Finishing Society of Japan 48(8), 815-819, 1997-08-01 

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002259613
  • NII書誌ID(NCID)
    AN1005202X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09151869
  • NDL 記事登録ID
    4275774
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-291
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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