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Photoluminescent properties of flexible PVC compounds and their interpretation for performance analysis of automotive exterior parts
journal contribution
posted on 2023-06-08, 06:59 authored by Yelena Kann, Norman C BillinghamStudy of fluorescence emission from flexible WC-based formulations, colored by exposure to road asphalt or degraded thermally or by W aging, shows that fluores- cent species are formed during the interaction of PVC with road asphalt. For the conditions found in exterior automotive applications, n o other known degradation causes development of fluorescence. Flexible PVC-based formulations discolored by asphalt staining or degraded thermally a t moderate temperatures bleach completely under conditions of natural or artificial weathering. A simple technique, using visu- ally observed photoluminescence and photobleaching, c a n thus identify photoactive groups formed during the interaction of PVC with road asphalt. Application of this test method will allow selective improvement of failed asphalt resistance without treating the "overall" stability of a compound.
History
Publication status
- Published
Journal
Journal of Vinyl & Additive TechnologyPublisher
WileyIssue
1Volume
9Page range
12-18Department affiliated with
- Chemistry Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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