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The photo-oxidation of polymers—1. Initiation of polystyrene photo-oxidation

✍ Scribed by S.I. Kuzina; A.I. Mikhailov

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
465 KB
Volume
29
Category
Article
ISSN
0014-3057

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✦ Synopsis

The initiation of polystyrene photo-oxidation has been studied and the quantum yield of initiation (~PR') for u.v.-irradiation at 315 K in the presence of atmospheric oxygen has been found to be 10 -3. Using ESR spectra, five distinct free radicals have been found; their nature depends on the wave length of the light and the irradiation conditions (temperature and presence of oxygen).

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