各種建築材料および吸着材の水蒸気およびホルムアルデヒド吸着等温線の測定

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It is very important to evaluate the adsorption and desorption property of the building materials for the indoor air pollution problem. Recently the adsorption materials and the adsorptive building materials that reduce the indoor air pollutant concentration are developed and become to be used in Japan. The test method concerning the continuous efficiency is not so examined though the test method concerning the concentration reducing performance of the adsorptive building materials is examined. It is thought that the measurement of the adsorption isotherm is effective to evaluate the continuous efficiency because there are a lot of the adsorption materials using the physical adsorption and the chemical adsorption for the adsorptive building materials. However, there are not a lot of examples of measuring the adsorption isotherms of the building material and the adsorption materials. In this paper, two methods of the adsorption isothermal measurement are examined. The first measuring method is an examination with the adsorption amount weighing device with a magnetic suspension balance (MSB), and another is an adsorption breakthrogh capacity method. The adsorption isotherms of various building materials and the adsorption materials are measured by these two measuring methods. First of all, the water vapor adsorption isotherm of each material was measured by MSB, and the water vapor adsorption characteristic was verified. Afterwards, formaldehyde (HCHO) adsorption isotherm was measured by MSB and the adsorption breakthrogh capacity method. The measurement of the water vapor adsorption isotherm with MSB was a very easy and a useful measuring method. Moreover, the adsorption breakthrogh capacity method was able to measure in a short time and was able to measure the HCHO adsorption isotherm easily.
社団法人日本建築学会の論文
2005-09-30

各種建築材料および吸着材の水蒸気およびホルムアルデヒド吸着等温線の測定

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