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Discoloration of Polyvinyl ButyralReport presents results of study of discoloration in polyvinyl butyral (PVB). Clear PVB gradually turns yellowish brown in simulated-aging tests and outdoor environmental tests. Discoloration severely reduces solar-cell output. Using methods of modern analytical chemistry - transmission absorption, Fourier transform infrared absorption, atomic absorption spectroscopy, and scanning-electron microscopy - study uncovered major cause of yellowing.
Document ID
19850000353
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Kim, Q.
(Caltech)
Shumka, A.
(Caltech)
Date Acquired
August 12, 2013
Publication Date
January 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 3
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
NPO-16411
Accession Number
85B10353
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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