Volatiles release from photo-degrading, pigmented PVC : Kinetic changes

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DOIResolve DOI: http://doi.org/10.1016/S0141-3910(98)00047-0
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TypeArticle
Journal titlePolymer Degradation and Stability
Volume62
Issue3
AbstractVolatile species produced during the ultraviolet irradiation of a rigid, poly(vinyl chloride) construction panel have been established as a function of irradiation time. Residual organic and chloroorganic compounds were detected in the polymer surface after irradiation. Similar species are also directly released during irradiation. In both cases, these were identifed and quantifed by gas chromatography, with mass spectrometry detection. Rates of volatilisation of organic and chloroorganic compounds were measured directly during accelerated exposure conditions and dropped sharply with irradiation time. This drop may be attribu- table to the cross-linking of the irradiated surface which becomes chlorine def- cient and rich in titanium dioxide pigment (rutile). In contrast, samples exposed to sunlight did not undergo surface cross-linking but did thermally desorb vola- tiles similar to laboratory exposed samples.
Publication date
LanguageEnglish
AffiliationNRC Institute for Chemical Process and Environmental Technology; National Research Council Canada
Peer reviewedYes
NRC number41971
NPARC number14299094
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Record identifier2742a1ca-ac7d-48e7-9f2f-daccaa936beb
Record created2010-03-01
Record modified2016-05-09
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