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Characterization of photodegradation of a polyurethane coating by positron annihilation spectroscopy: correlation with cross-link density

โœ Scribed by R Zhang; P.E Mallon; H Chen; C.M Huang; J Zhang; Y Li; Y Wu; T.C Sandreczki; Y.C Jean

Book ID
114214988
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
183 KB
Volume
42
Category
Article
ISSN
0033-0655

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โœ H. Cao; Y. He; R. Zhang; J.-P. Yuan; T. C. Sandreczki; Y. C. Jean; B. Nielsen ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 489 KB ๐Ÿ‘ 1 views

The photo-degradation of polymer coating systems due to irradiation by UV and Xenon light sources is studied using positron annihilation spectroscopy and electron spin resonance (ESR). Doppler broadened spectra of positron annihilation, as a function of slow positron implantation energy and ESR spec