Emission rates of substances from low-volatile-organic-compound paints

Emission rates of substances from low-volatile-organic-compound paints
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低挥发性有机化合物涂料的物质排放率

DOI:
10.1007/s13762-018-2093-0
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发表时间:
2018
影响因子:
3.1
通讯作者:
Mori C.
Mori C.
中科院分区:
环境科学与生态学4区
文献类型:
--
作者:
Suzuki N.;Nakaoka H.;Hanazato M.;Nakayama Y.;Takaya K.;Mori C.

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在全球范围内,病态建筑综合症仍然是一个严重的社会问题。它主要是由建筑材料中挥发性有机化合物(VOC)的排放引起的。其中,油漆和密封剂的使用范围很广,它们的使用会导致化学物质释放到房间内。为了预防病态建筑综合症,有必要弄清楚由于可用的不同类型的油漆和密封剂而导致空气质量变化的原因。近年来,低VOC涂料(VOC含量0.3%~1.0%)得到广泛应用;然而,降低挥发性有机化合物水平的效果尚未完全量化。本研究旨在通过对这些低挥发性有机化合物涂料和密封剂进行排放率测试来澄清其化学成分。我们准备了六个样本并将其用于室内测试。测试了三种类型的带有和不带有密封剂的油漆。最小和最大总挥发性有机化合物 (TVOC) 浓度分别为 96 和 4750 µgm−2h−1。可以确认油漆和密封剂的 VOC 含量差异。主要的 TVOC 是 Texanol™ 和甘油醚。结果表明,与 VOC 含量低于 1% 的涂料相比,使用 VOC 含量低于 0.3% 的涂料可以显着降低 VOC 排放率。此外,由于不同种类的密封剂会影响结果,因此使用各种密封剂可以降低VOC排放率。
Globally, sick building syndrome remains a considerable social issue. It is primarily caused by the emission of volatile organic compounds (VOCs) from construction materials. Among these, paints and sealers are used over wide swaths of are a and their use causes chemical substances to be released in a room. To prevent sick building syndrome, it is necessary to clarify the cause of air quality changes due to the different types of paints and sealers available. Recently, low-VOC paints (containing 0.3–1.0% VOCs) have been used widely; however, the effects of reducing VOC levels have not yet been fully quantified. This study aims to clarify the chemical compositions by conducting an emission rate test of these low-VOC paints and sealers. We prepared six specimens and used them for chamber testing. Three types of paint with and without a sealer were tested. The minimum and maximum total volatile organic compound (TVOC) concentration was 96 and 4750 μgm−2h−1, respectively. Differences in the VOC content of the paints and sealers could be confirmed. The main TVOC was Texanol™and glycerol ethers. The results demonstrate that using paints containing less than 0.3% VOCs can decrease the VOC emission rate considerably compared to paints classified as less than 1% VOCs. Moreover, because different kinds of sealers affected the results, it is possible to decrease VOC emission rate using a variety of sealers.
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