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首页> 外文期刊>Building and Environment >Long term exposure of self-cleaning and reference glass in an urban environment: A comparative assessment
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Long term exposure of self-cleaning and reference glass in an urban environment: A comparative assessment

机译：在城市环境中长期暴露于自清洁玻璃和标准玻璃的比较评估

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摘要

Nowadays, the self-cleaning glasses are commonly used for outdoor and indoor applications. If their initial efficiency has been clearly demonstrated in the laboratory and on the field, information on their durability is still lacking on the long term. This work compares the short (12 months) and long (100 months) term exposures of uncoated and TiO2-coated glasses in urban conditions. Dry as well as wet atmospheric conditions are both tested. The deposit present on the surface is characterized using a combination of optical and chemical methods. Chemical analysis of the glass substrate is also performed in order to document a potential washing out of the TiO2-coating. After long exposures, the affinity of the self-cleaning glass for water vapor and its superhydrophilic properties are maintained. This does not affect the transparency of the glass on the short term but eventually favors the development, in dry conditions, of local embryonic gypseous crusts (giant clusters of salt deposit) impairing the glass optical properties on the long term. (C) 2014 Elsevier Ltd. All rights reserved.
机译：如今，自清洁玻璃通常用于室外和室内应用。如果在实验室和现场已经清楚地证明了它们的初始效率，那么从长远来看仍然缺乏有关其耐久性的信息。这项工作比较了城市条件下未镀膜和TiO2镀膜玻璃的短期（12个月）和长期（100个月）暴露。都测试了干燥和潮湿的大气条件。使用光学和化学方法的组合来表征存在于表面上的沉积物。还进行了玻璃基板的化学分析，以证明可能会洗掉TiO2涂层。长时间暴露后，自清洁玻璃对水蒸气的亲和力及其超亲水性得以保持。这不会在短期内影响玻璃的透明度，但最终会有利于在干燥条件下发展局部的胚状吉普赛结皮（大量的盐沉积物），从而长期损害玻璃的光学性能。 （C）2014 Elsevier Ltd.保留所有权利。

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  • 来源
    《Building and Environment》 |2014年第9期|57-65|共9页
  • 作者

    Chabas Anne; Alfaro Stephane; Lombardo Tiziana; Verney-Carron Aurelie; Da Silva Estifania; Triquet Sylvain; Cachier Helene; Leroy Eric;

  • 作者单位

    Univ Paris Diderot, Lab Interuniv Syst Atmospher, Univ Paris Est Creteil, UMR CNRS 7583, F-94010 Creteil, France;

    Univ Paris Diderot, Lab Interuniv Syst Atmospher, Univ Paris Est Creteil, UMR CNRS 7583, F-94010 Creteil, France;

    Univ Paris Diderot, Lab Interuniv Syst Atmospher, Univ Paris Est Creteil, UMR CNRS 7583, F-94010 Creteil, France;

    Univ Paris Diderot, Lab Interuniv Syst Atmospher, Univ Paris Est Creteil, UMR CNRS 7583, F-94010 Creteil, France;

    Univ Paris Diderot, Lab Interuniv Syst Atmospher, Univ Paris Est Creteil, UMR CNRS 7583, F-94010 Creteil, France;

    Univ Paris Diderot, Lab Interuniv Syst Atmospher, Univ Paris Est Creteil, UMR CNRS 7583, F-94010 Creteil, France;

    CNRS CEA, Lab Sci Climat & Environm, F-91191 Gif Sur Yvette, France;

    Univ Paris Est Creteil, UMR CNRS 7182, Inst Chim Mat Paris Est, F-94430 Thiais, France;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Field exposure; TiO2-coated glass; Atmospheric deposition; Soiling;

    机译：场暴露;TiO2涂层玻璃;大气沉积;浸润;

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