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- Adsorptive wall material (1)
- CO2 assisted impregnation (1)
- Certification/labelling (1)
- Emission studies (1)
- Emission test chamber (1)
- Emissions testing (1)
- Gas mixing device (1)
- Healthy homes and buildings (1)
- Indoor air (1)
- Polymeric material (1)
- Quality assurance (1)
- Quality control (1)
- Sorption flux (1)
- Sources/emissions (1)
- VOC (1)
- Volatile organic compounds (1)
With a gas mixing system (GMS) developed in our laboratory we created a gas mixture of
four substances. Adsorptive wall materials of four different compositions were exposed to this
gas mixture, consisting of 1-pentanol, hexanal, butyl acetate and n-decane. Aim of this study
was to scrutinize the ability of these samples to reduce the concentration of the supplied gas.
This capacity is expressed in the sorption flux F or area specific adsorption rate respectively.
The test was performed referring to a draft of ISO 16000-24.
Volatile Organic Compounds (VOC) are ubiquitous in the indoor air, since they emit from materials used indoors. Investigations of these materials are mostly carried out in test chambers under controlled climatic conditions. Quality control of these test chamber measurements is important but there is a lack of commercially available homogenous reference materials as required for round robin tests or quality assurance of laboratories. The approach of the present study is the impregnation of a supporting material with VOC, which are reproducibly released in measurable chamber air concentrations under standardised test conditions. A polymer made of Thermoplastic Polyurethane (TPU) was chosen as carrier material. It was impregnated with the VOC trimethyl pentanediol isobutyrat (texanol).