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The odor perception of key degradation products of polyamide 6.6
Stockholm University, Faculty of Social Sciences, Department of Psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology.
2009 (English)In: Fechner Day 2009: Proceedings of the 25th Annual Meeting of the International Society of Psychophysics / [ed] M.A. Elliott, S. Antonijevic, S. Berthaud, P. Mulcahy, C. Martyn, B. Bargery & H. Schmidt, Galway, Irland: International Society for Psychophysics , 2009, 335-340 p.Conference paper, Published paper (Other academic)
Abstract [en]

Psychophysical research on indoor air has not focused on the odor of degradation products of polymers in building materials, e.g. the polymer Polyamide 6.6. Three of its odorous degradation products, cyclopentanone, pentanoic acid, and 2-methyl-pyridine, were measured in the form of single chemical compounds and their four mixtures. The results from 15 participants’ scaling of perceived odor similarity and ranking of odor preference showed that the cyclopentanone odor is masked by the other odor(s) of its mixtures. A new odor quality was formed when pentanoic acid and 2-methyl-pyridine were mixed. The three chemical compounds, thus, provided for four unique odor qualities, as revealed in a PCA. Moreover, the odor intensity ranks confirmed intermediacy of odor mixtures relative to these same four unique odor qualities. Our results confirm the importance of degradation products of polyamide 6.6 as contributors to indoor air quality.

Place, publisher, year, edition, pages
Galway, Irland: International Society for Psychophysics , 2009. 335-340 p.
Keyword [en]
odor perception, indoor air quality, measurement
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-35007OAI: oai:DiVA.org:su-35007DiVA: diva2:286111
Conference
Fechner Day 2009
Available from: 2010-01-13 Created: 2010-01-13

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