Abstract
Photo-oxidative degradation of poly(ethylene oxide) with small amount (1 and 3wt.%) of cobalt (II) chloride was studied in acetonitrile solutions and in solid state. On the basis of FTIR, UV-Vis spectroscopy, GPC and viscometry measurements it was found that cobalt salt accelerates photodecomposition of PEO. DSC was applied for study of crystallinity changes in PEO and PEO+CoCl2 during UV-irradiation. The structure of PEO+CoCl2, mechanism of photoreactions and the influence of physical factors are discussed.
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