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A numerical simulation of VOC emission and sorption behaviors of adhesive-bonded materials under floor heating condition

机译：地板采暖条件下胶粘材料VOC释放和吸附行为的数值模拟

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摘要

The objective of this study is to investigate the VOC emission and sorption characteristics of adhesive-bonded materials under floor heating condition. The study focuses on adhesive-bonded materials covering a large surface area, such as plywood flooring/epoxy adhesive assembly as an emission-dominated material, and PVC wallpaper/starch-based adhesive/gypsum board assembly as a sorption-dominated material, installed in a residential housing unit equipped with a radiant floor heating system. The numerical analysis based on mass transfer model is used, and the model was validated, by comparing the simulated results with previously published experimental data. Comparative simulation of emission and sorption between the single finishing material and composite material was performed. With respect to VOC emission, the simulation results showed that the epoxy adhesive allowed a stronger emission from the plywood flooring composite, and also the adhesive effect on VOC emission was shown to become significant under floor heating condition. Another simulation on VOC sorption demonstrated that the starch-based adhesive appeared to increase sorption strength and period. Also, it showed that the adhesive may play a role of mass transfer bridge between the finishing material and substrate, allowing a stronger sorption when low-VOC gypsum board was used as a substrate. The presence of adhesive due to the bonding method can affect the emission and sorption of building finishing materials. The impact on indoor air quality when emission- and sorption-dominated adhesive-bonded materials coexist in a floor heated space was also discussed.
机译：这项研究的目的是研究地板加热条件下胶粘材料的VOC排放和吸附特性。该研究的重点是覆盖大表面积的粘合剂材料，例如胶合板地板/环氧树脂粘合剂组件作为排放主导材料，PVC墙纸/淀粉基粘合剂/石膏板组件作为吸附主导材料安装在配备辐射地板采暖系统的住宅单元。使用了基于传质模型的数值分析，并通过将模拟结果与先前发布的实验数据进行比较，对模型进行了验证。对单一饰面材料和复合材料之间的发射和吸附进行了比较模拟。对于VOC排放，仿真结果表明，环氧胶粘剂可以使胶合地板复合材料产生更强的排放，并且在地板加热条件下，胶粘剂对VOC排放的影响也很明显。对VOC吸附的另一个模拟结果表明，淀粉基胶粘剂似乎增加了吸附强度和吸附周期。而且，表明该粘合剂可以在饰面材料和基材之间起到传质桥的作用，当将低VOC石膏板用作基材时，其吸附作用更强。由于粘合方法而导致的粘合剂的存在会影响建筑装修材料的排放和吸附。还讨论了辐射和吸附为主的胶粘材料在地板加热空间中共存时对室内空气质量的影响。

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  • 来源
    《Building and Environment》 |2013年第10期|193-201|共9页
  • 作者

    Dong Hwa Kang; Dong Hee Choi; Yoon-Bok Seong; Myoung Souk Yeo; Kwang Woo Kim;

  • 作者单位

    Department of Architectural Engineering, College of Engineering, Pennsylvania State University, University Park, PA 16802, USA;

    Department of Architectural Engineering, College of Engineering, Kyungil University, Gyeongsan, Gyeongbuk 712-701, Republic of Korea;

    Department of Architectural Engineering, College of Architecture, Dankook University, Yongin, Gyeonggi 448-701, Republic of Korea;

    Department of Architecture and Architectural Engineering, College of Engineering, Seoul National University, Seoul 151-744, Republic of Korea;

    Department of Architecture and Architectural Engineering, College of Engineering, Seoul National University, Seoul 151-744, Republic of Korea;

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

    Adhesive-bonded material; Emission; Sorption; Floor heating; Numerical simulation; Volatile organic compounds;

    机译：胶粘材料;发射;吸附;地板采暖;数值模拟挥发性有机化合物;

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